./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.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 b7e15211580ea4e53f751b22847dfea4720c9dc42574c861d991d991eb47919b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:58:57,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:58:57,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 08:58:57,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:58:57,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:58:57,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:58:57,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:58:57,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:58:57,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:58:57,534 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:58:57,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:58:57,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:58:57,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:58:57,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:58:57,534 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:58:57,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:58:57,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:58:57,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:58:57,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:58:57,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:58:57,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:58:57,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:58:57,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:58:57,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:58:57,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:58:57,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:58:57,536 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 -> b7e15211580ea4e53f751b22847dfea4720c9dc42574c861d991d991eb47919b [2025-02-08 08:58:57,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:58:57,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:58:57,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:58:57,803 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:58:57,803 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:58:57,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-02-08 08:58:59,046 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c2f72b270/cfb91b6b14e142e2bf28fa88b699ae7f/FLAG93086bf84 [2025-02-08 08:58:59,286 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:58:59,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-02-08 08:58:59,294 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c2f72b270/cfb91b6b14e142e2bf28fa88b699ae7f/FLAG93086bf84 [2025-02-08 08:58:59,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c2f72b270/cfb91b6b14e142e2bf28fa88b699ae7f [2025-02-08 08:58:59,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:58:59,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:58:59,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:58:59,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:58:59,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:58:59,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557153f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59, skipping insertion in model container [2025-02-08 08:58:59,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:58:59,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:58:59,743 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:58:59,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:58:59,761 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:58:59,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59 WrapperNode [2025-02-08 08:58:59,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:58:59,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:58:59,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:58:59,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:58:59,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,779 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2025-02-08 08:58:59,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:58:59,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:58:59,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:58:59,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:58:59,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,785 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,789 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 08:58:59,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:58:59,793 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:58:59,793 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:58:59,793 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:58:59,794 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (1/1) ... [2025-02-08 08:58:59,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:58:59,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:58:59,821 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) [2025-02-08 08:58:59,823 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 [2025-02-08 08:58:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure unlock [2025-02-08 08:58:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock [2025-02-08 08:58:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure lock [2025-02-08 08:58:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lock [2025-02-08 08:58:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:58:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:58:59,874 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:58:59,876 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:58:59,961 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-08 08:58:59,961 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:58:59,968 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:58:59,968 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:58:59,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:58:59 BoogieIcfgContainer [2025-02-08 08:58:59,969 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:58:59,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:58:59,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:58:59,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:58:59,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:58:59" (1/3) ... [2025-02-08 08:58:59,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60eab0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:58:59, skipping insertion in model container [2025-02-08 08:58:59,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:58:59" (2/3) ... [2025-02-08 08:58:59,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60eab0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:58:59, skipping insertion in model container [2025-02-08 08:58:59,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:58:59" (3/3) ... [2025-02-08 08:58:59,975 INFO L128 eAbstractionObserver]: Analyzing ICFG HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-02-08 08:58:59,985 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:58:59,986 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c that has 3 procedures, 35 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-08 08:59:00,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:59:00,067 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;@3e9c515f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:59:00,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 08:59:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.608695652173913) internal successors, (37), 28 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 08:59:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 08:59:00,083 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:00,085 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:00,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:00,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:00,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1169906021, now seen corresponding path program 1 times [2025-02-08 08:59:00,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:00,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765453411] [2025-02-08 08:59:00,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:00,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:59:00,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:59:00,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:00,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:00,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:00,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765453411] [2025-02-08 08:59:00,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765453411] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:00,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:00,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:00,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886245250] [2025-02-08 08:59:00,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:00,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:00,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:00,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:00,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,297 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.608695652173913) internal successors, (37), 28 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 08:59:00,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:00,332 INFO L93 Difference]: Finished difference Result 56 states and 73 transitions. [2025-02-08 08:59:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:00,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2025-02-08 08:59:00,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:00,338 INFO L225 Difference]: With dead ends: 56 [2025-02-08 08:59:00,338 INFO L226 Difference]: Without dead ends: 30 [2025-02-08 08:59:00,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,342 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:00,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 106 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:00,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-02-08 08:59:00,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2025-02-08 08:59:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 24 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 08:59:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2025-02-08 08:59:00,366 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 10 [2025-02-08 08:59:00,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:00,367 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2025-02-08 08:59:00,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 08:59:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2025-02-08 08:59:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 08:59:00,368 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:00,368 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:00,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:59:00,369 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:00,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:00,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1907348285, now seen corresponding path program 1 times [2025-02-08 08:59:00,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:00,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088972341] [2025-02-08 08:59:00,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:00,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 08:59:00,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 08:59:00,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:00,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:00,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:00,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088972341] [2025-02-08 08:59:00,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088972341] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:00,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:00,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:00,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403121120] [2025-02-08 08:59:00,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:00,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:00,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:00,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:00,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,408 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 08:59:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:00,424 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2025-02-08 08:59:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:00,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-02-08 08:59:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:00,425 INFO L225 Difference]: With dead ends: 31 [2025-02-08 08:59:00,425 INFO L226 Difference]: Without dead ends: 30 [2025-02-08 08:59:00,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,426 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:00,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:00,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-02-08 08:59:00,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2025-02-08 08:59:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 23 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 08:59:00,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2025-02-08 08:59:00,430 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 11 [2025-02-08 08:59:00,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:00,430 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2025-02-08 08:59:00,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 08:59:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2025-02-08 08:59:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 08:59:00,430 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:00,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:00,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:59:00,431 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:00,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:00,431 INFO L85 PathProgramCache]: Analyzing trace with hash -53886481, now seen corresponding path program 1 times [2025-02-08 08:59:00,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:00,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981094081] [2025-02-08 08:59:00,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:00,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:00,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:59:00,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:59:00,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:00,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981094081] [2025-02-08 08:59:00,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981094081] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:00,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:00,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:00,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761911345] [2025-02-08 08:59:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:00,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:00,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:00,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:00,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,477 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:59:00,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:00,493 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2025-02-08 08:59:00,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:00,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-08 08:59:00,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:00,494 INFO L225 Difference]: With dead ends: 29 [2025-02-08 08:59:00,494 INFO L226 Difference]: Without dead ends: 28 [2025-02-08 08:59:00,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,495 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 15 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:00,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 71 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:00,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-02-08 08:59:00,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-02-08 08:59:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.380952380952381) internal successors, (29), 22 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 08:59:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2025-02-08 08:59:00,500 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 15 [2025-02-08 08:59:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:00,500 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2025-02-08 08:59:00,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:59:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2025-02-08 08:59:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 08:59:00,501 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:00,501 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:00,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:59:00,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:00,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:00,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1670480931, now seen corresponding path program 1 times [2025-02-08 08:59:00,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:00,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816689849] [2025-02-08 08:59:00,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:00,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:00,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 08:59:00,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 08:59:00,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:00,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:00,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:00,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816689849] [2025-02-08 08:59:00,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816689849] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:00,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:00,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:00,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384887231] [2025-02-08 08:59:00,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:00,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:00,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:00,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:00,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,539 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:59:00,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:00,558 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2025-02-08 08:59:00,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:00,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-08 08:59:00,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:00,559 INFO L225 Difference]: With dead ends: 38 [2025-02-08 08:59:00,559 INFO L226 Difference]: Without dead ends: 37 [2025-02-08 08:59:00,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:00,560 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 14 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:00,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 78 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:00,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-02-08 08:59:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-02-08 08:59:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 08:59:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2025-02-08 08:59:00,565 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 16 [2025-02-08 08:59:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:00,566 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2025-02-08 08:59:00,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 08:59:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2025-02-08 08:59:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 08:59:00,566 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:00,567 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 08:59:00,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:59:00,567 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:00,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1412359625, now seen corresponding path program 1 times [2025-02-08 08:59:00,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:00,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165155917] [2025-02-08 08:59:00,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:00,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 08:59:00,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 08:59:00,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:00,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 08:59:00,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:00,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165155917] [2025-02-08 08:59:00,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165155917] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:00,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435512960] [2025-02-08 08:59:00,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:00,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:00,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:00,641 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) [2025-02-08 08:59:00,642 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 [2025-02-08 08:59:00,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 08:59:00,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 08:59:00,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:00,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:00,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:59:00,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 08:59:00,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 08:59:00,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435512960] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:00,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:00,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 08:59:00,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414849201] [2025-02-08 08:59:00,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:00,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:59:00,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:00,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:59:00,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:59:00,833 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 08:59:00,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:00,915 INFO L93 Difference]: Finished difference Result 65 states and 88 transitions. [2025-02-08 08:59:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:59:00,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 31 [2025-02-08 08:59:00,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:00,916 INFO L225 Difference]: With dead ends: 65 [2025-02-08 08:59:00,917 INFO L226 Difference]: Without dead ends: 64 [2025-02-08 08:59:00,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:59:00,917 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 31 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:00,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 139 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:00,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-02-08 08:59:00,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-02-08 08:59:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 50 states have internal predecessors, (61), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 08:59:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2025-02-08 08:59:00,924 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 31 [2025-02-08 08:59:00,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:00,924 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2025-02-08 08:59:00,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 08:59:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2025-02-08 08:59:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 08:59:00,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:00,926 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2025-02-08 08:59:00,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 08:59:01,128 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 [2025-02-08 08:59:01,128 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:01,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:01,130 INFO L85 PathProgramCache]: Analyzing trace with hash 921694429, now seen corresponding path program 2 times [2025-02-08 08:59:01,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:01,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504504383] [2025-02-08 08:59:01,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:01,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:01,141 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-02-08 08:59:01,159 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 08:59:01,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:01,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 08:59:01,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:01,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504504383] [2025-02-08 08:59:01,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504504383] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:01,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111518423] [2025-02-08 08:59:01,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:01,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:01,434 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) [2025-02-08 08:59:01,438 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 [2025-02-08 08:59:01,463 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-02-08 08:59:01,482 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 08:59:01,482 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:01,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:01,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 08:59:01,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 08:59:01,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 08:59:01,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111518423] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:01,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:01,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-02-08 08:59:01,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324333785] [2025-02-08 08:59:01,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:01,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 08:59:01,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:01,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 08:59:01,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-02-08 08:59:01,744 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 22 states have internal predecessors, (76), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2025-02-08 08:59:01,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:01,856 INFO L93 Difference]: Finished difference Result 119 states and 163 transitions. [2025-02-08 08:59:01,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 08:59:01,857 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 22 states have internal predecessors, (76), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) Word has length 76 [2025-02-08 08:59:01,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:01,858 INFO L225 Difference]: With dead ends: 119 [2025-02-08 08:59:01,858 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 08:59:01,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-02-08 08:59:01,859 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 56 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:01,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 198 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:01,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 08:59:01,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2025-02-08 08:59:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.1978021978021978) internal successors, (109), 92 states have internal predecessors, (109), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 08:59:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 157 transitions. [2025-02-08 08:59:01,870 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 157 transitions. Word has length 76 [2025-02-08 08:59:01,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:01,870 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 157 transitions. [2025-02-08 08:59:01,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 22 states have internal predecessors, (76), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2025-02-08 08:59:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2025-02-08 08:59:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 08:59:01,874 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:01,874 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1] [2025-02-08 08:59:01,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 08:59:02,079 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 [2025-02-08 08:59:02,079 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:02,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:02,080 INFO L85 PathProgramCache]: Analyzing trace with hash -990916515, now seen corresponding path program 3 times [2025-02-08 08:59:02,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:02,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194710664] [2025-02-08 08:59:02,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:02,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:02,109 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 11 equivalence classes. [2025-02-08 08:59:02,125 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 08:59:02,125 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 08:59:02,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-08 08:59:02,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:02,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194710664] [2025-02-08 08:59:02,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194710664] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:02,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935739588] [2025-02-08 08:59:02,847 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:02,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:02,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:02,849 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) [2025-02-08 08:59:02,855 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 [2025-02-08 08:59:02,889 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 11 equivalence classes. [2025-02-08 08:59:02,933 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 08:59:02,934 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 08:59:02,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:02,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 08:59:02,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-08 08:59:03,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-08 08:59:03,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935739588] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:03,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:03,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2025-02-08 08:59:03,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70986540] [2025-02-08 08:59:03,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-02-08 08:59:03,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-02-08 08:59:03,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-02-08 08:59:03,650 INFO L87 Difference]: Start difference. First operand 118 states and 157 transitions. Second operand has 46 states, 45 states have (on average 3.5555555555555554) internal successors, (160), 46 states have internal predecessors, (160), 22 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 22 states have call predecessors, (44), 22 states have call successors, (44) [2025-02-08 08:59:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,864 INFO L93 Difference]: Finished difference Result 227 states and 313 transitions. [2025-02-08 08:59:03,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-02-08 08:59:03,865 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.5555555555555554) internal successors, (160), 46 states have internal predecessors, (160), 22 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 22 states have call predecessors, (44), 22 states have call successors, (44) Word has length 166 [2025-02-08 08:59:03,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,867 INFO L225 Difference]: With dead ends: 227 [2025-02-08 08:59:03,867 INFO L226 Difference]: Without dead ends: 226 [2025-02-08 08:59:03,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-02-08 08:59:03,868 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 133 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 182 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:59:03,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-02-08 08:59:03,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2025-02-08 08:59:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 175 states have (on average 1.1714285714285715) internal successors, (205), 176 states have internal predecessors, (205), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-08 08:59:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 301 transitions. [2025-02-08 08:59:03,884 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 301 transitions. Word has length 166 [2025-02-08 08:59:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,884 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 301 transitions. [2025-02-08 08:59:03,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.5555555555555554) internal successors, (160), 46 states have internal predecessors, (160), 22 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 22 states have call predecessors, (44), 22 states have call successors, (44) [2025-02-08 08:59:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 301 transitions. [2025-02-08 08:59:03,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2025-02-08 08:59:03,889 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,889 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1] [2025-02-08 08:59:03,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:04,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:04,094 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:04,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:04,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1785565347, now seen corresponding path program 4 times [2025-02-08 08:59:04,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:04,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651903947] [2025-02-08 08:59:04,095 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:59:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:04,117 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 346 statements into 2 equivalence classes. [2025-02-08 08:59:04,145 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 346 of 346 statements. [2025-02-08 08:59:04,146 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:59:04,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2025-02-08 08:59:06,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651903947] [2025-02-08 08:59:06,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651903947] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969547545] [2025-02-08 08:59:06,042 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:59:06,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:06,045 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) [2025-02-08 08:59:06,046 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 [2025-02-08 08:59:06,085 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 346 statements into 2 equivalence classes. [2025-02-08 08:59:06,191 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 346 of 346 statements. [2025-02-08 08:59:06,191 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:59:06,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:06,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-02-08 08:59:06,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2025-02-08 08:59:06,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2025-02-08 08:59:08,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969547545] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:08,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:08,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2025-02-08 08:59:08,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527431181] [2025-02-08 08:59:08,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:08,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-08 08:59:08,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:08,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-08 08:59:08,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 08:59:08,495 INFO L87 Difference]: Start difference. First operand 226 states and 301 transitions. Second operand has 96 states, 95 states have (on average 3.536842105263158) internal successors, (336), 96 states have internal predecessors, (336), 47 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 47 states have call predecessors, (94), 47 states have call successors, (94) [2025-02-08 08:59:08,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:08,917 INFO L93 Difference]: Finished difference Result 443 states and 613 transitions. [2025-02-08 08:59:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-02-08 08:59:08,917 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 3.536842105263158) internal successors, (336), 96 states have internal predecessors, (336), 47 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 47 states have call predecessors, (94), 47 states have call successors, (94) Word has length 346 [2025-02-08 08:59:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:08,920 INFO L225 Difference]: With dead ends: 443 [2025-02-08 08:59:08,920 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 08:59:08,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2823 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 08:59:08,923 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 179 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:08,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 522 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 08:59:08,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 08:59:08,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2025-02-08 08:59:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 343 states have (on average 1.1574344023323615) internal successors, (397), 344 states have internal predecessors, (397), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2025-02-08 08:59:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 589 transitions. [2025-02-08 08:59:08,962 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 589 transitions. Word has length 346 [2025-02-08 08:59:08,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:08,962 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 589 transitions. [2025-02-08 08:59:08,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 3.536842105263158) internal successors, (336), 96 states have internal predecessors, (336), 47 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 47 states have call predecessors, (94), 47 states have call successors, (94) [2025-02-08 08:59:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 589 transitions. [2025-02-08 08:59:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2025-02-08 08:59:08,977 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:08,977 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1] [2025-02-08 08:59:08,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 08:59:09,182 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,SelfDestructingSolverStorable7 [2025-02-08 08:59:09,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:09,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:09,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1081922211, now seen corresponding path program 5 times [2025-02-08 08:59:09,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:09,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995950757] [2025-02-08 08:59:09,183 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:59:09,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:09,201 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 706 statements into 47 equivalence classes. [2025-02-08 08:59:09,424 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 706 of 706 statements. [2025-02-08 08:59:09,425 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-08 08:59:09,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 16169 backedges. 0 proven. 9683 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2025-02-08 08:59:14,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:14,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995950757] [2025-02-08 08:59:14,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995950757] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:14,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858919666] [2025-02-08 08:59:14,881 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:59:14,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:14,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:14,883 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) [2025-02-08 08:59:14,885 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 [2025-02-08 08:59:14,936 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 706 statements into 47 equivalence classes. [2025-02-08 08:59:15,120 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 706 of 706 statements. [2025-02-08 08:59:15,121 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-08 08:59:15,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:15,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-02-08 08:59:15,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16169 backedges. 0 proven. 9683 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2025-02-08 08:59:15,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16169 backedges. 0 proven. 9683 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2025-02-08 08:59:20,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858919666] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:20,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:20,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2025-02-08 08:59:20,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533644571] [2025-02-08 08:59:20,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:20,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2025-02-08 08:59:20,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:20,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2025-02-08 08:59:20,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-02-08 08:59:20,763 INFO L87 Difference]: Start difference. First operand 442 states and 589 transitions. Second operand has 190 states, 189 states have (on average 3.513227513227513) internal successors, (664), 190 states have internal predecessors, (664), 94 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 94 states have call predecessors, (188), 94 states have call successors, (188) [2025-02-08 08:59:22,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:22,563 INFO L93 Difference]: Finished difference Result 875 states and 1213 transitions. [2025-02-08 08:59:22,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-02-08 08:59:22,564 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.513227513227513) internal successors, (664), 190 states have internal predecessors, (664), 94 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 94 states have call predecessors, (188), 94 states have call successors, (188) Word has length 706 [2025-02-08 08:59:22,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:22,583 INFO L225 Difference]: With dead ends: 875 [2025-02-08 08:59:22,583 INFO L226 Difference]: Without dead ends: 874 [2025-02-08 08:59:22,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1505 GetRequests, 1317 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-02-08 08:59:22,599 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 349 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:22,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 535 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 08:59:22,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2025-02-08 08:59:22,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2025-02-08 08:59:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 679 states have (on average 1.150220913107511) internal successors, (781), 680 states have internal predecessors, (781), 192 states have call successors, (192), 2 states have call predecessors, (192), 2 states have return successors, (192), 192 states have call predecessors, (192), 192 states have call successors, (192) [2025-02-08 08:59:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1165 transitions. [2025-02-08 08:59:22,668 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1165 transitions. Word has length 706 [2025-02-08 08:59:22,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:22,673 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1165 transitions. [2025-02-08 08:59:22,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.513227513227513) internal successors, (664), 190 states have internal predecessors, (664), 94 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 94 states have call predecessors, (188), 94 states have call successors, (188) [2025-02-08 08:59:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1165 transitions. [2025-02-08 08:59:22,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2025-02-08 08:59:22,730 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:22,731 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 94, 1, 1, 1] [2025-02-08 08:59:22,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 08:59:22,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:22,931 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:59:22,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:22,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1223513763, now seen corresponding path program 6 times [2025-02-08 08:59:22,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:22,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392319497] [2025-02-08 08:59:22,934 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 08:59:22,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:22,984 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1426 statements into 95 equivalence classes. [2025-02-08 08:59:23,730 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 1426 of 1426 statements. [2025-02-08 08:59:23,730 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-08 08:59:23,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 66881 backedges. 0 proven. 40091 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2025-02-08 08:59:51,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:51,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392319497] [2025-02-08 08:59:51,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392319497] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:51,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363981812] [2025-02-08 08:59:51,580 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 08:59:51,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:51,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:51,582 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) [2025-02-08 08:59:51,584 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 [2025-02-08 08:59:51,668 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1426 statements into 95 equivalence classes. [2025-02-08 08:59:52,178 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 1426 of 1426 statements. [2025-02-08 08:59:52,178 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-08 08:59:52,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:52,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 3334 conjuncts, 191 conjuncts are in the unsatisfiable core [2025-02-08 08:59:52,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:53,060 INFO L134 CoverageAnalysis]: Checked inductivity of 66881 backedges. 0 proven. 40091 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2025-02-08 08:59:53,060 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:00:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 66881 backedges. 0 proven. 40091 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2025-02-08 09:00:16,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363981812] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:00:16,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:00:16,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 191, 191] total 383 [2025-02-08 09:00:16,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634229861] [2025-02-08 09:00:16,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:00:16,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2025-02-08 09:00:16,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:00:16,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2025-02-08 09:00:16,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36893, Invalid=110179, Unknown=0, NotChecked=0, Total=147072 [2025-02-08 09:00:16,589 INFO L87 Difference]: Start difference. First operand 874 states and 1165 transitions. Second operand has 384 states, 383 states have (on average 3.5013054830287205) internal successors, (1341), 384 states have internal predecessors, (1341), 191 states have call successors, (381), 1 states have call predecessors, (381), 1 states have return successors, (381), 191 states have call predecessors, (381), 191 states have call successors, (381) [2025-02-08 09:00:34,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:00:34,926 INFO L93 Difference]: Finished difference Result 2681 states and 3641 transitions. [2025-02-08 09:00:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 464 states. [2025-02-08 09:00:34,928 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 3.5013054830287205) internal successors, (1341), 384 states have internal predecessors, (1341), 191 states have call successors, (381), 1 states have call predecessors, (381), 1 states have return successors, (381), 191 states have call predecessors, (381), 191 states have call successors, (381) Word has length 1426 [2025-02-08 09:00:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:00:34,938 INFO L225 Difference]: With dead ends: 2681 [2025-02-08 09:00:34,938 INFO L226 Difference]: Without dead ends: 1737 [2025-02-08 09:00:34,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3204 GetRequests, 2660 SyntacticMatches, 0 SemanticMatches, 544 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73945 ImplicationChecksByTransitivity, 40.9s TimeCoverageRelationStatistics Valid=68159, Invalid=229411, Unknown=0, NotChecked=0, Total=297570 [2025-02-08 09:00:34,953 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 939 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:00:34,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 883 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:00:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2025-02-08 09:00:34,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1737. [2025-02-08 09:00:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1350 states have (on average 1.085925925925926) internal successors, (1466), 1351 states have internal predecessors, (1466), 384 states have call successors, (384), 2 states have call predecessors, (384), 2 states have return successors, (384), 384 states have call predecessors, (384), 384 states have call successors, (384) [2025-02-08 09:00:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 2234 transitions. [2025-02-08 09:00:35,001 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 2234 transitions. Word has length 1426 [2025-02-08 09:00:35,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:00:35,003 INFO L471 AbstractCegarLoop]: Abstraction has 1737 states and 2234 transitions. [2025-02-08 09:00:35,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 3.5013054830287205) internal successors, (1341), 384 states have internal predecessors, (1341), 191 states have call successors, (381), 1 states have call predecessors, (381), 1 states have return successors, (381), 191 states have call predecessors, (381), 191 states have call successors, (381) [2025-02-08 09:00:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2234 transitions. [2025-02-08 09:00:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2867 [2025-02-08 09:00:35,039 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:00:35,039 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 190, 190, 1, 1, 1] [2025-02-08 09:00:35,050 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 [2025-02-08 09:00:35,244 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,SelfDestructingSolverStorable9 [2025-02-08 09:00:35,244 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:00:35,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:00:35,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1021944157, now seen corresponding path program 7 times [2025-02-08 09:00:35,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:00:35,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71210310] [2025-02-08 09:00:35,246 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:00:35,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:00:35,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2866 statements into 1 equivalence classes. [2025-02-08 09:00:35,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2866 of 2866 statements. [2025-02-08 09:00:35,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:00:35,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat