./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Sequence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/java_Sequence.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:34:45,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:34:45,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 01:34:45,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:34:45,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:34:45,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:34:45,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:34:45,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:34:45,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:34:45,516 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:34:45,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:34:45,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:34:45,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:34:45,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:34:45,517 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:34:45,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:34:45,518 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:34:45,519 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:34:45,519 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:34:45,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:34:45,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:34:45,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:34:45,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:34:45,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:34:45,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:34:45,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:34:45,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:34:45,520 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 [2025-01-10 01:34:45,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:34:45,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:34:45,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:34:45,762 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:34:45,763 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:34:45,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2025-01-10 01:34:46,923 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f202617b/4ae5001afaf24a0fb54b477d1d0a2645/FLAGe9e19fa87 [2025-01-10 01:34:47,173 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:34:47,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2025-01-10 01:34:47,206 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f202617b/4ae5001afaf24a0fb54b477d1d0a2645/FLAGe9e19fa87 [2025-01-10 01:34:47,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f202617b/4ae5001afaf24a0fb54b477d1d0a2645 [2025-01-10 01:34:47,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:34:47,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:34:47,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:34:47,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:34:47,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:34:47,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3579649d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47, skipping insertion in model container [2025-01-10 01:34:47,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:34:47,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:34:47,600 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:34:47,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:34:47,618 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:34:47,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47 WrapperNode [2025-01-10 01:34:47,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:34:47,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:34:47,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:34:47,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:34:47,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,637 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2025-01-10 01:34:47,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:34:47,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:34:47,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:34:47,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:34:47,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,648 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:34:47,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:34:47,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:34:47,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:34:47,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:34:47,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (1/1) ... [2025-01-10 01:34:47,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:34:47,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:47,699 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 01:34:47,709 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 01:34:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:34:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:34:47,768 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:34:47,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:34:47,817 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-01-10 01:34:47,818 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:34:47,823 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:34:47,824 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 01:34:47,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:34:47 BoogieIcfgContainer [2025-01-10 01:34:47,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:34:47,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:34:47,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:34:47,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:34:47,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:34:47" (1/3) ... [2025-01-10 01:34:47,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3376e2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:34:47, skipping insertion in model container [2025-01-10 01:34:47,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:34:47" (2/3) ... [2025-01-10 01:34:47,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3376e2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:34:47, skipping insertion in model container [2025-01-10 01:34:47,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:34:47" (3/3) ... [2025-01-10 01:34:47,830 INFO L128 eAbstractionObserver]: Analyzing ICFG java_Sequence.c [2025-01-10 01:34:47,843 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:34:47,844 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG java_Sequence.c that has 1 procedures, 23 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-01-10 01:34:47,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:34:47,880 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;@77819d06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:34:47,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-01-10 01:34:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 22 states have internal predecessors, (24), 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 01:34:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 01:34:47,885 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:47,885 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 01:34:47,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:47,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:47,889 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2025-01-10 01:34:47,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:47,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371495012] [2025-01-10 01:34:47,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:47,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:47,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 01:34:47,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 01:34:47,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:47,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:47,989 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 01:34:47,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:47,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371495012] [2025-01-10 01:34:47,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371495012] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:47,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:34:47,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:34:47,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374679003] [2025-01-10 01:34:47,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:47,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:47,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:48,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:48,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:34:48,010 INFO L87 Difference]: Start difference. First operand has 23 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 22 states have internal predecessors, (24), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 01:34:48,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:48,047 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2025-01-10 01:34:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:48,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-01-10 01:34:48,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:48,053 INFO L225 Difference]: With dead ends: 23 [2025-01-10 01:34:48,053 INFO L226 Difference]: Without dead ends: 18 [2025-01-10 01:34:48,055 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 01:34:48,057 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 13 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:48,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:48,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-01-10 01:34:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-01-10 01:34:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 17 states have internal predecessors, (19), 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 01:34:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2025-01-10 01:34:48,077 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 4 [2025-01-10 01:34:48,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:48,078 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2025-01-10 01:34:48,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 01:34:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2025-01-10 01:34:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:34:48,078 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:48,078 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:34:48,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:34:48,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:48,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:48,079 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2025-01-10 01:34:48,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:48,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003813608] [2025-01-10 01:34:48,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:48,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:34:48,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:34:48,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,113 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 01:34:48,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:48,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003813608] [2025-01-10 01:34:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003813608] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:48,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:34:48,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:34:48,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731164432] [2025-01-10 01:34:48,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:48,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:48,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:48,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:48,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:34:48,115 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 01:34:48,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:48,139 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2025-01-10 01:34:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:48,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2025-01-10 01:34:48,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:48,140 INFO L225 Difference]: With dead ends: 26 [2025-01-10 01:34:48,140 INFO L226 Difference]: Without dead ends: 24 [2025-01-10 01:34:48,140 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 01:34:48,140 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:48,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-01-10 01:34:48,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2025-01-10 01:34:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 23 states have internal predecessors, (26), 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 01:34:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2025-01-10 01:34:48,144 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 5 [2025-01-10 01:34:48,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:48,144 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2025-01-10 01:34:48,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 01:34:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2025-01-10 01:34:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:34:48,145 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:48,145 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:34:48,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:34:48,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:48,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:48,146 INFO L85 PathProgramCache]: Analyzing trace with hash 889537478, now seen corresponding path program 1 times [2025-01-10 01:34:48,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:48,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630313207] [2025-01-10 01:34:48,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:48,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:34:48,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:34:48,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,168 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 01:34:48,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:48,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630313207] [2025-01-10 01:34:48,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630313207] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:48,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:34:48,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:34:48,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254773213] [2025-01-10 01:34:48,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:48,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:48,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:48,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:48,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:34:48,169 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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 01:34:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:48,179 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2025-01-10 01:34:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:48,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 01:34:48,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:48,180 INFO L225 Difference]: With dead ends: 24 [2025-01-10 01:34:48,180 INFO L226 Difference]: Without dead ends: 23 [2025-01-10 01:34:48,180 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 01:34:48,181 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:48,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 22 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-01-10 01:34:48,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-01-10 01:34:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 22 states have internal predecessors, (25), 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 01:34:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-01-10 01:34:48,184 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 6 [2025-01-10 01:34:48,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:48,184 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-01-10 01:34:48,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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 01:34:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-01-10 01:34:48,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 01:34:48,184 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:48,184 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:34:48,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:34:48,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:48,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:48,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1815462704, now seen corresponding path program 1 times [2025-01-10 01:34:48,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:48,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903376878] [2025-01-10 01:34:48,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:48,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:34:48,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:34:48,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,215 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 01:34:48,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:48,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903376878] [2025-01-10 01:34:48,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903376878] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:48,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:34:48,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:34:48,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238283859] [2025-01-10 01:34:48,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:48,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:48,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:48,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:48,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:34:48,221 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 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 01:34:48,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:48,233 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2025-01-10 01:34:48,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:48,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 01:34:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:48,233 INFO L225 Difference]: With dead ends: 34 [2025-01-10 01:34:48,233 INFO L226 Difference]: Without dead ends: 22 [2025-01-10 01:34:48,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:34:48,234 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:48,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:48,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-01-10 01:34:48,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-01-10 01:34:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 states have internal predecessors, (23), 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 01:34:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2025-01-10 01:34:48,237 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2025-01-10 01:34:48,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:48,237 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2025-01-10 01:34:48,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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 01:34:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2025-01-10 01:34:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 01:34:48,238 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:48,238 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:34:48,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 01:34:48,238 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:48,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:48,239 INFO L85 PathProgramCache]: Analyzing trace with hash -442073856, now seen corresponding path program 1 times [2025-01-10 01:34:48,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:48,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235014914] [2025-01-10 01:34:48,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:48,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:34:48,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:34:48,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:48,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:48,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235014914] [2025-01-10 01:34:48,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235014914] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:48,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674169707] [2025-01-10 01:34:48,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:48,310 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 01:34:48,311 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 01:34:48,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:34:48,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:34:48,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:34:48,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:48,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:34:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:48,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674169707] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:34:48,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:34:48,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:34:48,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492672650] [2025-01-10 01:34:48,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:34:48,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:34:48,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:48,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:34:48,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:34:48,404 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 01:34:48,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:48,443 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2025-01-10 01:34:48,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:34:48,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 01:34:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:48,444 INFO L225 Difference]: With dead ends: 56 [2025-01-10 01:34:48,444 INFO L226 Difference]: Without dead ends: 54 [2025-01-10 01:34:48,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:34:48,445 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:48,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 52 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:48,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-01-10 01:34:48,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2025-01-10 01:34:48,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 47 states have internal predecessors, (58), 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 01:34:48,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2025-01-10 01:34:48,453 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 10 [2025-01-10 01:34:48,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:48,453 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2025-01-10 01:34:48,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 01:34:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2025-01-10 01:34:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:34:48,453 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:48,453 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:34:48,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 01:34:48,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:48,658 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:48,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:48,658 INFO L85 PathProgramCache]: Analyzing trace with hash 378392652, now seen corresponding path program 1 times [2025-01-10 01:34:48,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:48,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930368680] [2025-01-10 01:34:48,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:48,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:34:48,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:34:48,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:48,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:48,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930368680] [2025-01-10 01:34:48,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930368680] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:48,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902813481] [2025-01-10 01:34:48,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:48,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:48,703 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 01:34:48,703 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 01:34:48,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:34:48,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:34:48,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 01:34:48,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:34:48,738 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:34:48,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902813481] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:48,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:34:48,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 01:34:48,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106656931] [2025-01-10 01:34:48,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:48,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:48,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:48,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:48,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:34:48,740 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:34:48,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:48,749 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2025-01-10 01:34:48,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:48,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-10 01:34:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:48,750 INFO L225 Difference]: With dead ends: 48 [2025-01-10 01:34:48,750 INFO L226 Difference]: Without dead ends: 47 [2025-01-10 01:34:48,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:34:48,751 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:48,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-01-10 01:34:48,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-01-10 01:34:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 46 states have internal predecessors, (55), 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 01:34:48,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2025-01-10 01:34:48,755 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 12 [2025-01-10 01:34:48,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:48,755 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2025-01-10 01:34:48,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:34:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2025-01-10 01:34:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:34:48,755 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:48,755 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 01:34:48,762 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 01:34:48,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:48,960 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:48,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:48,960 INFO L85 PathProgramCache]: Analyzing trace with hash 368788034, now seen corresponding path program 1 times [2025-01-10 01:34:48,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:48,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831376013] [2025-01-10 01:34:48,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:48,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:48,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:34:48,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:34:48,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:48,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:34:48,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:48,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831376013] [2025-01-10 01:34:48,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831376013] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:48,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:34:48,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:34:48,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259134644] [2025-01-10 01:34:48,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:48,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:48,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:48,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:48,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:34:48,983 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:34:48,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:48,990 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2025-01-10 01:34:48,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:48,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-10 01:34:48,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:48,991 INFO L225 Difference]: With dead ends: 47 [2025-01-10 01:34:48,993 INFO L226 Difference]: Without dead ends: 46 [2025-01-10 01:34:48,993 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 01:34:48,993 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:48,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:48,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-01-10 01:34:48,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-01-10 01:34:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 45 states have internal predecessors, (52), 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 01:34:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2025-01-10 01:34:49,000 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 12 [2025-01-10 01:34:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:49,000 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2025-01-10 01:34:49,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:34:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2025-01-10 01:34:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 01:34:49,001 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:49,001 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:34:49,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 01:34:49,001 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:49,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:49,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1154729618, now seen corresponding path program 1 times [2025-01-10 01:34:49,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:49,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327095894] [2025-01-10 01:34:49,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:49,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:49,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:34:49,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:34:49,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:49,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:49,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:49,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327095894] [2025-01-10 01:34:49,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327095894] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:49,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117520441] [2025-01-10 01:34:49,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:49,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:49,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:49,074 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 01:34:49,075 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 01:34:49,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:34:49,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:34:49,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:49,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:49,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 01:34:49,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:34:49,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:34:49,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117520441] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:49,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:34:49,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 01:34:49,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500484449] [2025-01-10 01:34:49,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:49,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:49,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:49,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:34:49,114 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:34:49,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:49,129 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2025-01-10 01:34:49,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:49,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-10 01:34:49,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:49,130 INFO L225 Difference]: With dead ends: 61 [2025-01-10 01:34:49,132 INFO L226 Difference]: Without dead ends: 60 [2025-01-10 01:34:49,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:34:49,133 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:49,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 24 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:49,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-01-10 01:34:49,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2025-01-10 01:34:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 58 states have internal predecessors, (65), 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 01:34:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2025-01-10 01:34:49,144 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 13 [2025-01-10 01:34:49,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:49,144 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2025-01-10 01:34:49,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:34:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2025-01-10 01:34:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:34:49,145 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:49,145 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:34:49,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:34:49,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:49,345 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:49,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1662879624, now seen corresponding path program 1 times [2025-01-10 01:34:49,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:49,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151244283] [2025-01-10 01:34:49,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:49,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:49,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:34:49,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:34:49,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:49,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 01:34:49,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:49,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151244283] [2025-01-10 01:34:49,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151244283] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:49,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661798215] [2025-01-10 01:34:49,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:34:49,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:49,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:49,416 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 01:34:49,418 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 01:34:49,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:34:49,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:34:49,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:34:49,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:49,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 01:34:49,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:34:49,451 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:34:49,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661798215] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:34:49,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:34:49,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 01:34:49,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329967079] [2025-01-10 01:34:49,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:34:49,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:34:49,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:49,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:34:49,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:34:49,452 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 01:34:49,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:49,461 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2025-01-10 01:34:49,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:34:49,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2025-01-10 01:34:49,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:49,462 INFO L225 Difference]: With dead ends: 59 [2025-01-10 01:34:49,462 INFO L226 Difference]: Without dead ends: 58 [2025-01-10 01:34:49,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:34:49,463 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:49,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:49,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-01-10 01:34:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 45. [2025-01-10 01:34:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 44 states have internal predecessors, (49), 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 01:34:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2025-01-10 01:34:49,467 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 18 [2025-01-10 01:34:49,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:49,467 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2025-01-10 01:34:49,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 01:34:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2025-01-10 01:34:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 01:34:49,468 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:49,468 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2025-01-10 01:34:49,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 01:34:49,672 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,SelfDestructingSolverStorable8 [2025-01-10 01:34:49,672 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:49,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:49,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1642224612, now seen corresponding path program 2 times [2025-01-10 01:34:49,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:49,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061457781] [2025-01-10 01:34:49,673 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:34:49,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:49,680 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-01-10 01:34:49,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:34:49,693 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:34:49,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:49,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061457781] [2025-01-10 01:34:49,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061457781] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667394106] [2025-01-10 01:34:49,775 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:34:49,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:49,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:49,777 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 01:34:49,779 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 01:34:49,801 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-01-10 01:34:49,811 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:34:49,812 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:34:49,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:49,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:34:49,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:49,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:34:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:49,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667394106] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:34:49,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:34:49,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-01-10 01:34:49,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920390187] [2025-01-10 01:34:49,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:34:49,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:34:49,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:49,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:34:49,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:34:49,911 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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 01:34:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:49,973 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2025-01-10 01:34:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:34:49,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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 25 [2025-01-10 01:34:49,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:49,974 INFO L225 Difference]: With dead ends: 107 [2025-01-10 01:34:49,974 INFO L226 Difference]: Without dead ends: 105 [2025-01-10 01:34:49,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:34:49,975 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 84 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:49,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 83 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:34:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-01-10 01:34:49,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-01-10 01:34:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.116504854368932) internal successors, (115), 104 states have internal predecessors, (115), 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 01:34:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2025-01-10 01:34:49,981 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 25 [2025-01-10 01:34:49,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:49,981 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2025-01-10 01:34:49,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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 01:34:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2025-01-10 01:34:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 01:34:49,983 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:49,983 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2025-01-10 01:34:49,988 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 01:34:50,183 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 01:34:50,184 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:50,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:50,184 INFO L85 PathProgramCache]: Analyzing trace with hash 210636900, now seen corresponding path program 3 times [2025-01-10 01:34:50,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:50,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364946559] [2025-01-10 01:34:50,184 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:34:50,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:50,190 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 55 statements into 11 equivalence classes. [2025-01-10 01:34:50,198 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 01:34:50,199 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:34:50,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:50,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:50,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364946559] [2025-01-10 01:34:50,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364946559] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:50,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512598654] [2025-01-10 01:34:50,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:34:50,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:50,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:50,378 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 01:34:50,383 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 01:34:50,405 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 55 statements into 11 equivalence classes. [2025-01-10 01:34:50,421 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 01:34:50,421 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:34:50,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:50,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:34:50,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:50,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:34:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:50,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512598654] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:34:50,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:34:50,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-01-10 01:34:50,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860608280] [2025-01-10 01:34:50,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:34:50,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 01:34:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:50,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 01:34:50,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:34:50,729 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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 01:34:50,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:50,881 INFO L93 Difference]: Finished difference Result 227 states and 271 transitions. [2025-01-10 01:34:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 01:34:50,881 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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 55 [2025-01-10 01:34:50,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:50,882 INFO L225 Difference]: With dead ends: 227 [2025-01-10 01:34:50,882 INFO L226 Difference]: Without dead ends: 225 [2025-01-10 01:34:50,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:34:50,883 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 283 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:50,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 166 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:34:50,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-01-10 01:34:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2025-01-10 01:34:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 223 states have (on average 1.1076233183856503) internal successors, (247), 224 states have internal predecessors, (247), 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 01:34:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 247 transitions. [2025-01-10 01:34:50,902 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 247 transitions. Word has length 55 [2025-01-10 01:34:50,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:50,902 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 247 transitions. [2025-01-10 01:34:50,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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 01:34:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 247 transitions. [2025-01-10 01:34:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-10 01:34:50,907 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:50,907 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2025-01-10 01:34:50,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 01:34:51,107 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 01:34:51,108 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:51,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:51,108 INFO L85 PathProgramCache]: Analyzing trace with hash -352265884, now seen corresponding path program 4 times [2025-01-10 01:34:51,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:51,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683554196] [2025-01-10 01:34:51,108 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:34:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:51,128 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 115 statements into 2 equivalence classes. [2025-01-10 01:34:51,148 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-01-10 01:34:51,148 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:34:51,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:51,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:51,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683554196] [2025-01-10 01:34:51,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683554196] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:51,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034635096] [2025-01-10 01:34:51,714 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:34:51,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:51,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:51,717 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 01:34:51,725 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 01:34:51,749 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 115 statements into 2 equivalence classes. [2025-01-10 01:34:51,772 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-01-10 01:34:51,773 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:34:51,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:51,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:34:51,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:51,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:34:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:52,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034635096] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:34:52,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:34:52,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-01-10 01:34:52,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195918919] [2025-01-10 01:34:52,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:34:52,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 01:34:52,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:52,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 01:34:52,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 01:34:52,841 INFO L87 Difference]: Start difference. First operand 225 states and 247 transitions. Second operand has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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 01:34:53,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:34:53,240 INFO L93 Difference]: Finished difference Result 467 states and 559 transitions. [2025-01-10 01:34:53,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 01:34:53,241 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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 115 [2025-01-10 01:34:53,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:34:53,244 INFO L225 Difference]: With dead ends: 467 [2025-01-10 01:34:53,244 INFO L226 Difference]: Without dead ends: 465 [2025-01-10 01:34:53,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 01:34:53,245 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 646 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:34:53,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 336 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:34:53,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-01-10 01:34:53,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2025-01-10 01:34:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 463 states have (on average 1.1036717062634989) internal successors, (511), 464 states have internal predecessors, (511), 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 01:34:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 511 transitions. [2025-01-10 01:34:53,272 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 511 transitions. Word has length 115 [2025-01-10 01:34:53,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:34:53,272 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 511 transitions. [2025-01-10 01:34:53,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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 01:34:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 511 transitions. [2025-01-10 01:34:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-01-10 01:34:53,275 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:34:53,275 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1] [2025-01-10 01:34:53,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 01:34:53,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:53,476 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:34:53,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:34:53,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1983114084, now seen corresponding path program 5 times [2025-01-10 01:34:53,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:34:53,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647705039] [2025-01-10 01:34:53,477 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:34:53,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:34:53,504 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 235 statements into 47 equivalence classes. [2025-01-10 01:34:53,585 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 235 of 235 statements. [2025-01-10 01:34:53,585 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 01:34:53,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:55,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:34:55,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647705039] [2025-01-10 01:34:55,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647705039] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:34:55,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797367659] [2025-01-10 01:34:55,093 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:34:55,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:34:55,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:34:55,095 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 01:34:55,102 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 01:34:55,124 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 235 statements into 47 equivalence classes. [2025-01-10 01:34:55,180 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 235 of 235 statements. [2025-01-10 01:34:55,180 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 01:34:55,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:34:55,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-10 01:34:55,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:34:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:55,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:34:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:34:58,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797367659] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:34:58,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:34:58,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-01-10 01:34:58,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287064727] [2025-01-10 01:34:58,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:34:58,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-01-10 01:34:58,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:34:58,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-01-10 01:34:58,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 01:34:58,299 INFO L87 Difference]: Start difference. First operand 465 states and 511 transitions. Second operand has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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 01:35:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:35:00,354 INFO L93 Difference]: Finished difference Result 947 states and 1135 transitions. [2025-01-10 01:35:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-10 01:35:00,355 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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 235 [2025-01-10 01:35:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:35:00,358 INFO L225 Difference]: With dead ends: 947 [2025-01-10 01:35:00,358 INFO L226 Difference]: Without dead ends: 945 [2025-01-10 01:35:00,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 01:35:00,361 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1524 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:35:00,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 678 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:35:00,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2025-01-10 01:35:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2025-01-10 01:35:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 943 states have (on average 1.1018027571580065) internal successors, (1039), 944 states have internal predecessors, (1039), 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 01:35:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1039 transitions. [2025-01-10 01:35:00,381 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1039 transitions. Word has length 235 [2025-01-10 01:35:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:35:00,381 INFO L471 AbstractCegarLoop]: Abstraction has 945 states and 1039 transitions. [2025-01-10 01:35:00,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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 01:35:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1039 transitions. [2025-01-10 01:35:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2025-01-10 01:35:00,387 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:00,387 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 1, 1, 1] [2025-01-10 01:35:00,396 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 01:35:00,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:00,588 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:35:00,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:00,589 INFO L85 PathProgramCache]: Analyzing trace with hash 617615204, now seen corresponding path program 6 times [2025-01-10 01:35:00,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:00,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760066667] [2025-01-10 01:35:00,589 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:35:00,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:00,603 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 475 statements into 95 equivalence classes. [2025-01-10 01:35:00,695 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 475 of 475 statements. [2025-01-10 01:35:00,695 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 01:35:00,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:35:05,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:05,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760066667] [2025-01-10 01:35:05,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760066667] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:35:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784907270] [2025-01-10 01:35:05,913 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:35:05,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:05,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:05,915 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 01:35:05,918 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 01:35:05,950 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 475 statements into 95 equivalence classes. [2025-01-10 01:35:06,086 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 475 of 475 statements. [2025-01-10 01:35:06,087 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 01:35:06,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:06,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-01-10 01:35:06,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:35:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:35:06,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:35:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:35:15,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784907270] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:35:15,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:35:15,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2025-01-10 01:35:15,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055968324] [2025-01-10 01:35:15,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:35:15,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-01-10 01:35:15,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:35:15,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-01-10 01:35:15,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-01-10 01:35:15,512 INFO L87 Difference]: Start difference. First operand 945 states and 1039 transitions. Second operand has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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 01:35:37,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:35:37,427 INFO L93 Difference]: Finished difference Result 1907 states and 2287 transitions. [2025-01-10 01:35:37,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-01-10 01:35:37,428 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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 475 [2025-01-10 01:35:37,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:35:37,439 INFO L225 Difference]: With dead ends: 1907 [2025-01-10 01:35:37,439 INFO L226 Difference]: Without dead ends: 1905 [2025-01-10 01:35:37,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-01-10 01:35:37,444 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 4277 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4277 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 949 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:35:37,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4277 Valid, 1346 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [949 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:35:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2025-01-10 01:35:37,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1905. [2025-01-10 01:35:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1905 states, 1903 states have (on average 1.1008933263268523) internal successors, (2095), 1904 states have internal predecessors, (2095), 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 01:35:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2095 transitions. [2025-01-10 01:35:37,518 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2095 transitions. Word has length 475 [2025-01-10 01:35:37,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:35:37,519 INFO L471 AbstractCegarLoop]: Abstraction has 1905 states and 2095 transitions. [2025-01-10 01:35:37,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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 01:35:37,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2095 transitions. [2025-01-10 01:35:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2025-01-10 01:35:37,543 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:37,543 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 1, 1, 1] [2025-01-10 01:35:37,555 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 01:35:37,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:37,750 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:35:37,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:37,750 INFO L85 PathProgramCache]: Analyzing trace with hash -622831772, now seen corresponding path program 7 times [2025-01-10 01:35:37,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:37,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685459735] [2025-01-10 01:35:37,751 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:35:37,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:37,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 955 statements into 1 equivalence classes. [2025-01-10 01:35:37,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 955 of 955 statements. [2025-01-10 01:35:37,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:37,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:35:58,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:58,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685459735] [2025-01-10 01:35:58,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685459735] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:35:58,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682379324] [2025-01-10 01:35:58,416 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:35:58,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:58,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:58,421 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 01:35:58,425 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 01:35:58,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 955 statements into 1 equivalence classes. [2025-01-10 01:35:58,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 955 of 955 statements. [2025-01-10 01:35:58,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:58,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:58,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-01-10 01:35:58,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 70140 proven. 0 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2025-01-10 01:36:08,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:08,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682379324] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:08,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:36:08,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [192] total 294 [2025-01-10 01:36:08,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937441862] [2025-01-10 01:36:08,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:08,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-01-10 01:36:08,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:08,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-01-10 01:36:08,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2025-01-10 01:36:08,197 INFO L87 Difference]: Start difference. First operand 1905 states and 2095 transitions. Second operand has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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 01:36:09,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:09,373 INFO L93 Difference]: Finished difference Result 2354 states and 2544 transitions. [2025-01-10 01:36:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-01-10 01:36:09,377 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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 955 [2025-01-10 01:36:09,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:09,381 INFO L225 Difference]: With dead ends: 2354 [2025-01-10 01:36:09,381 INFO L226 Difference]: Without dead ends: 1452 [2025-01-10 01:36:09,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1146 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19190 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2025-01-10 01:36:09,389 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 0 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:09,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1023 Invalid, 1891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:36:09,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2025-01-10 01:36:09,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1452. [2025-01-10 01:36:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1451 states have (on average 1.0689179875947623) internal successors, (1551), 1451 states have internal predecessors, (1551), 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 01:36:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1551 transitions. [2025-01-10 01:36:09,416 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1551 transitions. Word has length 955 [2025-01-10 01:36:09,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:09,416 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1551 transitions. [2025-01-10 01:36:09,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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 01:36:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1551 transitions. [2025-01-10 01:36:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 01:36:09,422 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:09,422 INFO L218 NwaCegarLoop]: trace histogram [190, 190, 189, 189, 189, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:09,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:09,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 01:36:09,623 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:36:09,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:09,624 INFO L85 PathProgramCache]: Analyzing trace with hash -276229498, now seen corresponding path program 1 times [2025-01-10 01:36:09,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:09,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662418093] [2025-01-10 01:36:09,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:09,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:09,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 01:36:09,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:09,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:09,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2025-01-10 01:36:09,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:09,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662418093] [2025-01-10 01:36:09,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662418093] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:09,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631065969] [2025-01-10 01:36:09,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:09,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:09,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:09,808 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 01:36:09,809 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 01:36:09,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 01:36:09,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:09,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:09,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:09,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:36:10,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2025-01-10 01:36:10,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2025-01-10 01:36:10,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631065969] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:10,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:10,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2025-01-10 01:36:10,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472827218] [2025-01-10 01:36:10,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:10,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:36:10,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:10,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:36:10,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:36:10,056 INFO L87 Difference]: Start difference. First operand 1452 states and 1551 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 01:36:10,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:10,085 INFO L93 Difference]: Finished difference Result 2386 states and 2485 transitions. [2025-01-10 01:36:10,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:10,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 956 [2025-01-10 01:36:10,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:10,089 INFO L225 Difference]: With dead ends: 2386 [2025-01-10 01:36:10,089 INFO L226 Difference]: Without dead ends: 1437 [2025-01-10 01:36:10,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1914 GetRequests, 1910 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:36:10,090 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:10,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:10,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2025-01-10 01:36:10,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1437. [2025-01-10 01:36:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1436 states have (on average 1.067548746518106) internal successors, (1533), 1436 states have internal predecessors, (1533), 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 01:36:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1533 transitions. [2025-01-10 01:36:10,112 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1533 transitions. Word has length 956 [2025-01-10 01:36:10,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:10,113 INFO L471 AbstractCegarLoop]: Abstraction has 1437 states and 1533 transitions. [2025-01-10 01:36:10,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 01:36:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1533 transitions. [2025-01-10 01:36:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 01:36:10,117 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:10,118 INFO L218 NwaCegarLoop]: trace histogram [187, 187, 186, 186, 186, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-01-10 01:36:10,125 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 01:36:10,322 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,SelfDestructingSolverStorable15 [2025-01-10 01:36:10,322 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:36:10,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:10,323 INFO L85 PathProgramCache]: Analyzing trace with hash 586742600, now seen corresponding path program 2 times [2025-01-10 01:36:10,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:10,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626789145] [2025-01-10 01:36:10,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:36:10,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:10,342 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 956 statements into 2 equivalence classes. [2025-01-10 01:36:10,363 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:10,363 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:36:10,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2025-01-10 01:36:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:10,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626789145] [2025-01-10 01:36:10,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626789145] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:10,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297526729] [2025-01-10 01:36:10,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:36:10,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:10,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:10,595 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 01:36:10,598 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 01:36:10,639 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 956 statements into 2 equivalence classes. [2025-01-10 01:36:10,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:10,770 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:36:10,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:10,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:10,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2025-01-10 01:36:10,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2025-01-10 01:36:10,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297526729] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:10,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:10,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2025-01-10 01:36:10,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079741621] [2025-01-10 01:36:10,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:10,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:36:10,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:10,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:36:10,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:36:10,886 INFO L87 Difference]: Start difference. First operand 1437 states and 1533 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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 01:36:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:10,947 INFO L93 Difference]: Finished difference Result 2341 states and 2437 transitions. [2025-01-10 01:36:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:36:10,951 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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 956 [2025-01-10 01:36:10,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:10,954 INFO L225 Difference]: With dead ends: 2341 [2025-01-10 01:36:10,954 INFO L226 Difference]: Without dead ends: 1407 [2025-01-10 01:36:10,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1917 GetRequests, 1907 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:36:10,956 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:10,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 57 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2025-01-10 01:36:10,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1407. [2025-01-10 01:36:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1406 states have (on average 1.0647226173541964) internal successors, (1497), 1406 states have internal predecessors, (1497), 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 01:36:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 1497 transitions. [2025-01-10 01:36:10,979 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 1497 transitions. Word has length 956 [2025-01-10 01:36:10,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:10,979 INFO L471 AbstractCegarLoop]: Abstraction has 1407 states and 1497 transitions. [2025-01-10 01:36:10,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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 01:36:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1497 transitions. [2025-01-10 01:36:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 01:36:10,984 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:10,985 INFO L218 NwaCegarLoop]: trace histogram [181, 181, 180, 180, 180, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2025-01-10 01:36:10,996 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 01:36:11,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 01:36:11,189 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:36:11,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:11,190 INFO L85 PathProgramCache]: Analyzing trace with hash -910479608, now seen corresponding path program 3 times [2025-01-10 01:36:11,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:11,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646674529] [2025-01-10 01:36:11,190 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:36:11,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:11,207 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 956 statements into 181 equivalence classes. [2025-01-10 01:36:11,210 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 956 statements. [2025-01-10 01:36:11,211 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:36:11,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2025-01-10 01:36:11,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:11,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646674529] [2025-01-10 01:36:11,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646674529] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:11,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776891185] [2025-01-10 01:36:11,298 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:36:11,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:11,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:11,301 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 01:36:11,306 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 01:36:11,363 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 956 statements into 181 equivalence classes. [2025-01-10 01:36:11,387 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 956 statements. [2025-01-10 01:36:11,388 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:36:11,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:11,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:36:11,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2025-01-10 01:36:11,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2025-01-10 01:36:11,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776891185] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:11,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:11,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2025-01-10 01:36:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433033266] [2025-01-10 01:36:11,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:11,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 01:36:11,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:11,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 01:36:11,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:36:11,687 INFO L87 Difference]: Start difference. First operand 1407 states and 1497 transitions. Second operand has 24 states, 24 states have (on average 4.625) internal successors, (111), 24 states have internal predecessors, (111), 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 01:36:11,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:11,774 INFO L93 Difference]: Finished difference Result 2251 states and 2341 transitions. [2025-01-10 01:36:11,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 01:36:11,774 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.625) internal successors, (111), 24 states have internal predecessors, (111), 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 956 [2025-01-10 01:36:11,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:11,779 INFO L225 Difference]: With dead ends: 2251 [2025-01-10 01:36:11,779 INFO L226 Difference]: Without dead ends: 1347 [2025-01-10 01:36:11,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1923 GetRequests, 1901 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:36:11,781 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:11,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 88 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:11,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2025-01-10 01:36:11,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1347. [2025-01-10 01:36:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1346 states have (on average 1.0586924219910847) internal successors, (1425), 1346 states have internal predecessors, (1425), 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 01:36:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1425 transitions. [2025-01-10 01:36:11,813 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1425 transitions. Word has length 956 [2025-01-10 01:36:11,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:11,814 INFO L471 AbstractCegarLoop]: Abstraction has 1347 states and 1425 transitions. [2025-01-10 01:36:11,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.625) internal successors, (111), 24 states have internal predecessors, (111), 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 01:36:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1425 transitions. [2025-01-10 01:36:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 01:36:11,821 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:11,821 INFO L218 NwaCegarLoop]: trace histogram [169, 169, 168, 168, 168, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2025-01-10 01:36:11,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 01:36:12,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 01:36:12,022 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:36:12,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:12,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1472280952, now seen corresponding path program 4 times [2025-01-10 01:36:12,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:12,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092241505] [2025-01-10 01:36:12,023 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:36:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:12,061 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 956 statements into 2 equivalence classes. [2025-01-10 01:36:12,085 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:12,085 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:36:12,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2025-01-10 01:36:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092241505] [2025-01-10 01:36:13,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092241505] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:13,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681681990] [2025-01-10 01:36:13,077 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:36:13,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:13,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:13,080 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 01:36:13,081 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 01:36:13,141 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 956 statements into 2 equivalence classes. [2025-01-10 01:36:13,267 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:13,267 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:36:13,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:13,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:36:13,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2025-01-10 01:36:13,461 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2025-01-10 01:36:14,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681681990] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:14,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:14,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 48 [2025-01-10 01:36:14,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671801413] [2025-01-10 01:36:14,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:14,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 01:36:14,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:14,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 01:36:14,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 01:36:14,088 INFO L87 Difference]: Start difference. First operand 1347 states and 1425 transitions. Second operand has 48 states, 48 states have (on average 4.8125) internal successors, (231), 48 states have internal predecessors, (231), 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 01:36:14,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:14,207 INFO L93 Difference]: Finished difference Result 2071 states and 2149 transitions. [2025-01-10 01:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 01:36:14,207 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.8125) internal successors, (231), 48 states have internal predecessors, (231), 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 956 [2025-01-10 01:36:14,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:14,210 INFO L225 Difference]: With dead ends: 2071 [2025-01-10 01:36:14,210 INFO L226 Difference]: Without dead ends: 1227 [2025-01-10 01:36:14,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1935 GetRequests, 1889 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 01:36:14,212 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:14,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 122 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:14,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2025-01-10 01:36:14,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227. [2025-01-10 01:36:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1226 states have (on average 1.0448613376835236) internal successors, (1281), 1226 states have internal predecessors, (1281), 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 01:36:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1281 transitions. [2025-01-10 01:36:14,230 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1281 transitions. Word has length 956 [2025-01-10 01:36:14,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:14,230 INFO L471 AbstractCegarLoop]: Abstraction has 1227 states and 1281 transitions. [2025-01-10 01:36:14,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.8125) internal successors, (231), 48 states have internal predecessors, (231), 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 01:36:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1281 transitions. [2025-01-10 01:36:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 01:36:14,235 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:14,235 INFO L218 NwaCegarLoop]: trace histogram [145, 145, 144, 144, 144, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2025-01-10 01:36:14,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 01:36:14,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:14,435 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 01:36:14,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:14,436 INFO L85 PathProgramCache]: Analyzing trace with hash -757942904, now seen corresponding path program 5 times [2025-01-10 01:36:14,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:14,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77773696] [2025-01-10 01:36:14,436 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:36:14,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:14,449 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 956 statements into 145 equivalence classes. [2025-01-10 01:36:14,824 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 145 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:14,825 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 145 check-sat command(s) [2025-01-10 01:36:14,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 57133 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 51912 trivial. 0 not checked. [2025-01-10 01:36:17,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:17,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77773696] [2025-01-10 01:36:17,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77773696] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:17,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149034613] [2025-01-10 01:36:17,061 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:36:17,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:17,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:17,063 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 01:36:17,065 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 01:36:17,118 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 956 statements into 145 equivalence classes. [2025-01-10 01:36:17,719 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 145 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 01:36:17,719 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 145 check-sat command(s) [2025-01-10 01:36:17,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:17,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 145 conjuncts are in the unsatisfiable core [2025-01-10 01:36:17,733 INFO L279 TraceCheckSpWp]: Computing forward predicates...