./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 c00e63dc 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-?-c00e63d-m [2025-02-06 13:29:04,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:29:05,001 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 13:29:05,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:29:05,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:29:05,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:29:05,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:29:05,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:29:05,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:29:05,018 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:29:05,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:29:05,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:29:05,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:29:05,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:29:05,018 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:29:05,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:29:05,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:29:05,019 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:29:05,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:29:05,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:29:05,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:29:05,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:29:05,021 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 [2025-02-06 13:29:05,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:29:05,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:29:05,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:29:05,291 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:29:05,291 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:29:05,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-02-06 13:29:06,599 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/083787d61/e2a4961662b84a7fb01179aa861484fc/FLAG9d6ad6f23 [2025-02-06 13:29:06,859 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:29:06,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-02-06 13:29:06,864 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/083787d61/e2a4961662b84a7fb01179aa861484fc/FLAG9d6ad6f23 [2025-02-06 13:29:07,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/083787d61/e2a4961662b84a7fb01179aa861484fc [2025-02-06 13:29:07,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:29:07,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:29:07,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:29:07,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:29:07,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:29:07,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368b2ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07, skipping insertion in model container [2025-02-06 13:29:07,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:29:07,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:29:07,289 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:29:07,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:29:07,308 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:29:07,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07 WrapperNode [2025-02-06 13:29:07,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:29:07,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:29:07,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:29:07,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:29:07,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,327 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2025-02-06 13:29:07,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:29:07,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:29:07,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:29:07,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:29:07,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,340 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 13:29:07,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,342 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:29:07,346 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:29:07,346 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:29:07,346 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:29:07,347 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (1/1) ... [2025-02-06 13:29:07,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:29:07,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:29:07,378 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) [2025-02-06 13:29:07,388 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 [2025-02-06 13:29:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure unlock [2025-02-06 13:29:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock [2025-02-06 13:29:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure lock [2025-02-06 13:29:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lock [2025-02-06 13:29:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:29:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:29:07,447 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:29:07,448 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:29:07,585 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-06 13:29:07,585 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:29:07,591 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:29:07,592 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:29:07,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:29:07 BoogieIcfgContainer [2025-02-06 13:29:07,592 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:29:07,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:29:07,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:29:07,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:29:07,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:29:07" (1/3) ... [2025-02-06 13:29:07,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9e82e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:29:07, skipping insertion in model container [2025-02-06 13:29:07,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:29:07" (2/3) ... [2025-02-06 13:29:07,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9e82e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:29:07, skipping insertion in model container [2025-02-06 13:29:07,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:29:07" (3/3) ... [2025-02-06 13:29:07,600 INFO L128 eAbstractionObserver]: Analyzing ICFG HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-02-06 13:29:07,610 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:29:07,612 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c that has 3 procedures, 37 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-06 13:29:07,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:29:07,678 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;@1f89a6d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:29:07,679 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 13:29:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 25 states have (on average 1.56) internal successors, (39), 30 states have internal predecessors, (39), 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) [2025-02-06 13:29:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-06 13:29:07,693 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:07,693 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:29:07,695 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)] === [2025-02-06 13:29:07,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:07,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2135213444, now seen corresponding path program 1 times [2025-02-06 13:29:07,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:07,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939755118] [2025-02-06 13:29:07,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:29:07,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:07,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 13:29:07,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 13:29:07,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:29:07,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:29:07,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:07,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939755118] [2025-02-06 13:29:07,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939755118] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:29:07,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:29:07,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:29:07,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020956198] [2025-02-06 13:29:07,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:29:07,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:29:07,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:07,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:29:07,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:29:07,872 INFO L87 Difference]: Start difference. First operand has 37 states, 25 states have (on average 1.56) internal successors, (39), 30 states have internal predecessors, (39), 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 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) [2025-02-06 13:29:07,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:07,902 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2025-02-06 13:29:07,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:29:07,904 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 [2025-02-06 13:29:07,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:07,908 INFO L225 Difference]: With dead ends: 59 [2025-02-06 13:29:07,908 INFO L226 Difference]: Without dead ends: 31 [2025-02-06 13:29:07,910 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 [2025-02-06 13:29:07,911 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 112 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 [2025-02-06 13:29:07,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 112 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:29:07,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-02-06 13:29:07,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2025-02-06 13:29:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 25 states have internal predecessors, (32), 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) [2025-02-06 13:29:07,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2025-02-06 13:29:07,935 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 11 [2025-02-06 13:29:07,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:07,936 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2025-02-06 13:29:07,936 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) [2025-02-06 13:29:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2025-02-06 13:29:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 13:29:07,937 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:07,937 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:29:07,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:29:07,938 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)] === [2025-02-06 13:29:07,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:07,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1767107324, now seen corresponding path program 1 times [2025-02-06 13:29:07,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:07,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185467400] [2025-02-06 13:29:07,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:29:07,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:07,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:29:07,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:29:07,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:29:07,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:29:07,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:07,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185467400] [2025-02-06 13:29:07,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185467400] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:29:07,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:29:07,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:29:07,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979401003] [2025-02-06 13:29:07,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:29:07,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:29:07,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:07,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:29:07,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:29:07,984 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-02-06 13:29:08,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:08,012 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2025-02-06 13:29:08,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:29:08,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2025-02-06 13:29:08,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:08,013 INFO L225 Difference]: With dead ends: 32 [2025-02-06 13:29:08,014 INFO L226 Difference]: Without dead ends: 31 [2025-02-06 13:29:08,014 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 [2025-02-06 13:29:08,015 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 96 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 [2025-02-06 13:29:08,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 96 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:29:08,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-02-06 13:29:08,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2025-02-06 13:29:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.4090909090909092) 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) [2025-02-06 13:29:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2025-02-06 13:29:08,021 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 12 [2025-02-06 13:29:08,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:08,022 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2025-02-06 13:29:08,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-02-06 13:29:08,022 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2025-02-06 13:29:08,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:29:08,023 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:08,023 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:29:08,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:29:08,024 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)] === [2025-02-06 13:29:08,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:08,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1234559480, now seen corresponding path program 1 times [2025-02-06 13:29:08,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:08,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040769261] [2025-02-06 13:29:08,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:29:08,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:08,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:29:08,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:29:08,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:29:08,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:29:08,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:08,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040769261] [2025-02-06 13:29:08,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040769261] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:29:08,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:29:08,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:29:08,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076170638] [2025-02-06 13:29:08,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:29:08,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:29:08,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:08,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:29:08,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:29:08,098 INFO L87 Difference]: Start difference. First operand 30 states and 39 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) [2025-02-06 13:29:08,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:08,118 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2025-02-06 13:29:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:29:08,118 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 [2025-02-06 13:29:08,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:08,119 INFO L225 Difference]: With dead ends: 30 [2025-02-06 13:29:08,120 INFO L226 Difference]: Without dead ends: 29 [2025-02-06 13:29:08,121 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 [2025-02-06 13:29:08,121 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 15 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 74 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 [2025-02-06 13:29:08,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 74 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:29:08,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-02-06 13:29:08,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-02-06 13:29:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3636363636363635) 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) [2025-02-06 13:29:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2025-02-06 13:29:08,127 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 16 [2025-02-06 13:29:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:08,128 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2025-02-06 13:29:08,128 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) [2025-02-06 13:29:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2025-02-06 13:29:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 13:29:08,129 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:08,129 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:29:08,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:29:08,129 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)] === [2025-02-06 13:29:08,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:08,129 INFO L85 PathProgramCache]: Analyzing trace with hash 383361766, now seen corresponding path program 1 times [2025-02-06 13:29:08,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:08,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749290424] [2025-02-06 13:29:08,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:29:08,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:08,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:29:08,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:29:08,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:29:08,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:29:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749290424] [2025-02-06 13:29:08,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749290424] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:29:08,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:29:08,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:29:08,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886327269] [2025-02-06 13:29:08,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:29:08,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:29:08,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:08,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:29:08,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:29:08,178 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (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) [2025-02-06 13:29:08,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:08,196 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2025-02-06 13:29:08,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:29:08,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (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 17 [2025-02-06 13:29:08,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:08,197 INFO L225 Difference]: With dead ends: 39 [2025-02-06 13:29:08,197 INFO L226 Difference]: Without dead ends: 38 [2025-02-06 13:29:08,198 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 [2025-02-06 13:29:08,198 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 14 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 81 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 [2025-02-06 13:29:08,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 81 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:29:08,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-02-06 13:29:08,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2025-02-06 13:29:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 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) [2025-02-06 13:29:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2025-02-06 13:29:08,206 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 50 transitions. Word has length 17 [2025-02-06 13:29:08,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:08,206 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 50 transitions. [2025-02-06 13:29:08,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (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) [2025-02-06 13:29:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2025-02-06 13:29:08,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:29:08,207 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:08,207 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 13:29:08,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:29:08,207 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)] === [2025-02-06 13:29:08,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:08,207 INFO L85 PathProgramCache]: Analyzing trace with hash 875088034, now seen corresponding path program 1 times [2025-02-06 13:29:08,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:08,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067178428] [2025-02-06 13:29:08,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:29:08,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:08,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:29:08,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:29:08,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:29:08,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 13:29:08,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:08,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067178428] [2025-02-06 13:29:08,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067178428] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:29:08,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425601771] [2025-02-06 13:29:08,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:29:08,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:29:08,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:29:08,289 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) [2025-02-06 13:29:08,293 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 [2025-02-06 13:29:08,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:29:08,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:29:08,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:29:08,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:08,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:29:08,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:29:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 13:29:08,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:29:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 13:29:08,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425601771] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:29:08,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:29:08,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-06 13:29:08,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672209306] [2025-02-06 13:29:08,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:29:08,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:29:08,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:08,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:29:08,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:29:08,467 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. Second operand has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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) [2025-02-06 13:29:08,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:08,517 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2025-02-06 13:29:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:29:08,518 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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 32 [2025-02-06 13:29:08,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:08,519 INFO L225 Difference]: With dead ends: 66 [2025-02-06 13:29:08,519 INFO L226 Difference]: Without dead ends: 65 [2025-02-06 13:29:08,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:29:08,520 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 31 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:29:08,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 114 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:29:08,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-02-06 13:29:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-02-06 13:29:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.24) internal successors, (62), 51 states have internal predecessors, (62), 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) [2025-02-06 13:29:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2025-02-06 13:29:08,526 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 32 [2025-02-06 13:29:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:08,526 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2025-02-06 13:29:08,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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) [2025-02-06 13:29:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2025-02-06 13:29:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 13:29:08,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:08,528 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2025-02-06 13:29:08,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 13:29:08,729 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 [2025-02-06 13:29:08,729 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)] === [2025-02-06 13:29:08,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:08,730 INFO L85 PathProgramCache]: Analyzing trace with hash 108159974, now seen corresponding path program 2 times [2025-02-06 13:29:08,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:08,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107975704] [2025-02-06 13:29:08,730 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:29:08,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:08,738 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 77 statements into 2 equivalence classes. [2025-02-06 13:29:08,747 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 13:29:08,747 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:29:08,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:29:08,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:08,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107975704] [2025-02-06 13:29:08,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107975704] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:29:08,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721814254] [2025-02-06 13:29:08,963 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:29:08,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:29:08,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:29:08,969 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) [2025-02-06 13:29:08,970 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 [2025-02-06 13:29:08,992 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 77 statements into 2 equivalence classes. [2025-02-06 13:29:09,012 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 13:29:09,012 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:29:09,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:09,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:29:09,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:29:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:29:09,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:29:09,270 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:29:09,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721814254] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:29:09,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:29:09,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-02-06 13:29:09,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852303510] [2025-02-06 13:29:09,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:29:09,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 13:29:09,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:09,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 13:29:09,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:29:09,272 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 22 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 22 states have internal predecessors, (77), 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) [2025-02-06 13:29:09,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:09,366 INFO L93 Difference]: Finished difference Result 120 states and 164 transitions. [2025-02-06 13:29:09,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 13:29:09,367 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 22 states have internal predecessors, (77), 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 77 [2025-02-06 13:29:09,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:09,368 INFO L225 Difference]: With dead ends: 120 [2025-02-06 13:29:09,368 INFO L226 Difference]: Without dead ends: 119 [2025-02-06 13:29:09,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:29:09,369 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 61 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:29:09,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 151 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:29:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-06 13:29:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-02-06 13:29:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 92 states have (on average 1.1956521739130435) internal successors, (110), 93 states have internal predecessors, (110), 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) [2025-02-06 13:29:09,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 158 transitions. [2025-02-06 13:29:09,382 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 158 transitions. Word has length 77 [2025-02-06 13:29:09,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:09,382 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 158 transitions. [2025-02-06 13:29:09,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 22 states have internal predecessors, (77), 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) [2025-02-06 13:29:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2025-02-06 13:29:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-02-06 13:29:09,385 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:09,385 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2025-02-06 13:29:09,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:29:09,590 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 [2025-02-06 13:29:09,590 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)] === [2025-02-06 13:29:09,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:09,590 INFO L85 PathProgramCache]: Analyzing trace with hash 845968742, now seen corresponding path program 3 times [2025-02-06 13:29:09,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:09,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316657597] [2025-02-06 13:29:09,591 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:29:09,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:09,599 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 167 statements into 11 equivalence classes. [2025-02-06 13:29:09,615 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 167 of 167 statements. [2025-02-06 13:29:09,615 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:29:09,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-06 13:29:10,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:10,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316657597] [2025-02-06 13:29:10,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316657597] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:29:10,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14101822] [2025-02-06 13:29:10,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:29:10,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:29:10,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:29:10,305 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) [2025-02-06 13:29:10,306 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 [2025-02-06 13:29:10,354 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 167 statements into 11 equivalence classes. [2025-02-06 13:29:10,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 167 of 167 statements. [2025-02-06 13:29:10,404 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:29:10,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:10,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 13:29:10,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:29:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-06 13:29:10,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:29:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-02-06 13:29:11,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14101822] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:29:11,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:29:11,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2025-02-06 13:29:11,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339236864] [2025-02-06 13:29:11,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:29:11,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-02-06 13:29:11,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:11,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-02-06 13:29:11,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-02-06 13:29:11,214 INFO L87 Difference]: Start difference. First operand 119 states and 158 transitions. Second operand has 46 states, 45 states have (on average 3.577777777777778) internal successors, (161), 46 states have internal predecessors, (161), 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) [2025-02-06 13:29:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:11,447 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2025-02-06 13:29:11,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-02-06 13:29:11,447 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.577777777777778) internal successors, (161), 46 states have internal predecessors, (161), 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 167 [2025-02-06 13:29:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:11,449 INFO L225 Difference]: With dead ends: 228 [2025-02-06 13:29:11,449 INFO L226 Difference]: Without dead ends: 227 [2025-02-06 13:29:11,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-02-06 13:29:11,453 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 101 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:29:11,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 230 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:29:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-02-06 13:29:11,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2025-02-06 13:29:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 176 states have (on average 1.1704545454545454) internal successors, (206), 177 states have internal predecessors, (206), 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) [2025-02-06 13:29:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 302 transitions. [2025-02-06 13:29:11,479 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 302 transitions. Word has length 167 [2025-02-06 13:29:11,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:11,479 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 302 transitions. [2025-02-06 13:29:11,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.577777777777778) internal successors, (161), 46 states have internal predecessors, (161), 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) [2025-02-06 13:29:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 302 transitions. [2025-02-06 13:29:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2025-02-06 13:29:11,488 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:11,489 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2025-02-06 13:29:11,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:29:11,689 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 [2025-02-06 13:29:11,690 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)] === [2025-02-06 13:29:11,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:11,690 INFO L85 PathProgramCache]: Analyzing trace with hash 566491238, now seen corresponding path program 4 times [2025-02-06 13:29:11,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:11,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288795209] [2025-02-06 13:29:11,691 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:29:11,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:11,711 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 347 statements into 2 equivalence classes. [2025-02-06 13:29:11,736 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 347 of 347 statements. [2025-02-06 13:29:11,736 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:29:11,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 0 proven. 2321 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2025-02-06 13:29:14,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:14,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288795209] [2025-02-06 13:29:14,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288795209] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:29:14,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68844305] [2025-02-06 13:29:14,065 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:29:14,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:29:14,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:29:14,070 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) [2025-02-06 13:29:14,071 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 [2025-02-06 13:29:14,109 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 347 statements into 2 equivalence classes. [2025-02-06 13:29:14,169 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 347 of 347 statements. [2025-02-06 13:29:14,169 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:29:14,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:14,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-02-06 13:29:14,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:29:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2025-02-06 13:29:14,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:29:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2025-02-06 13:29:16,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68844305] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:29:16,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:29:16,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 47, 47] total 97 [2025-02-06 13:29:16,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076440870] [2025-02-06 13:29:16,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:29:16,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-02-06 13:29:16,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:16,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-02-06 13:29:16,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2310, Invalid=7196, Unknown=0, NotChecked=0, Total=9506 [2025-02-06 13:29:16,506 INFO L87 Difference]: Start difference. First operand 227 states and 302 transitions. Second operand has 98 states, 97 states have (on average 3.4536082474226806) internal successors, (335), 97 states have internal predecessors, (335), 47 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 46 states have call predecessors, (93), 47 states have call successors, (93) [2025-02-06 13:29:20,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:20,614 INFO L93 Difference]: Finished difference Result 1128 states and 1745 transitions. [2025-02-06 13:29:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2025-02-06 13:29:20,615 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 3.4536082474226806) internal successors, (335), 97 states have internal predecessors, (335), 47 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 46 states have call predecessors, (93), 47 states have call successors, (93) Word has length 347 [2025-02-06 13:29:20,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:20,626 INFO L225 Difference]: With dead ends: 1128 [2025-02-06 13:29:20,627 INFO L226 Difference]: Without dead ends: 904 [2025-02-06 13:29:20,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 837 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9457 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=6868, Invalid=29422, Unknown=0, NotChecked=0, Total=36290 [2025-02-06 13:29:20,637 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 650 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:29:20,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 576 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:29:20,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2025-02-06 13:29:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 886. [2025-02-06 13:29:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 687 states have (on average 1.1542940320232897) internal successors, (793), 691 states have internal predecessors, (793), 192 states have call successors, (192), 4 states have call predecessors, (192), 6 states have return successors, (336), 192 states have call predecessors, (336), 192 states have call successors, (336) [2025-02-06 13:29:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1321 transitions. [2025-02-06 13:29:20,690 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1321 transitions. Word has length 347 [2025-02-06 13:29:20,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:20,691 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1321 transitions. [2025-02-06 13:29:20,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 3.4536082474226806) internal successors, (335), 97 states have internal predecessors, (335), 47 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 46 states have call predecessors, (93), 47 states have call successors, (93) [2025-02-06 13:29:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1321 transitions. [2025-02-06 13:29:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2025-02-06 13:29:20,701 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:20,702 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1] [2025-02-06 13:29:20,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:29:20,902 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 [2025-02-06 13:29:20,903 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)] === [2025-02-06 13:29:20,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:20,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1885307290, now seen corresponding path program 5 times [2025-02-06 13:29:20,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:20,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337114659] [2025-02-06 13:29:20,904 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:29:20,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:20,919 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 707 statements into 47 equivalence classes. [2025-02-06 13:29:21,072 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 707 of 707 statements. [2025-02-06 13:29:21,072 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 13:29:21,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16169 backedges. 0 proven. 9683 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2025-02-06 13:29:26,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:29:26,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337114659] [2025-02-06 13:29:26,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337114659] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:29:26,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607755335] [2025-02-06 13:29:26,331 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:29:26,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:29:26,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:29:26,333 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) [2025-02-06 13:29:26,335 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 [2025-02-06 13:29:26,386 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 707 statements into 47 equivalence classes. [2025-02-06 13:29:26,609 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 707 of 707 statements. [2025-02-06 13:29:26,610 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 13:29:26,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:29:26,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-02-06 13:29:26,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:29:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 16169 backedges. 0 proven. 9683 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2025-02-06 13:29:27,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:29:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16169 backedges. 0 proven. 9683 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2025-02-06 13:29:33,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607755335] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:29:33,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:29:33,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2025-02-06 13:29:33,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551219573] [2025-02-06 13:29:33,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:29:33,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2025-02-06 13:29:33,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:29:33,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2025-02-06 13:29:33,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-02-06 13:29:33,239 INFO L87 Difference]: Start difference. First operand 886 states and 1321 transitions. Second operand has 190 states, 189 states have (on average 3.5185185185185186) internal successors, (665), 190 states have internal predecessors, (665), 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) [2025-02-06 13:29:34,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:29:34,505 INFO L93 Difference]: Finished difference Result 1751 states and 2713 transitions. [2025-02-06 13:29:34,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-02-06 13:29:34,506 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.5185185185185186) internal successors, (665), 190 states have internal predecessors, (665), 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 707 [2025-02-06 13:29:34,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:29:34,521 INFO L225 Difference]: With dead ends: 1751 [2025-02-06 13:29:34,522 INFO L226 Difference]: Without dead ends: 1750 [2025-02-06 13:29:34,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1507 GetRequests, 1319 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-02-06 13:29:34,526 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 440 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:29:34,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 568 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:29:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2025-02-06 13:29:34,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1750. [2025-02-06 13:29:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1359 states have (on average 1.1486387049300957) internal successors, (1561), 1363 states have internal predecessors, (1561), 384 states have call successors, (384), 4 states have call predecessors, (384), 6 states have return successors, (672), 384 states have call predecessors, (672), 384 states have call successors, (672) [2025-02-06 13:29:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2617 transitions. [2025-02-06 13:29:34,629 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2617 transitions. Word has length 707 [2025-02-06 13:29:34,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:29:34,633 INFO L471 AbstractCegarLoop]: Abstraction has 1750 states and 2617 transitions. [2025-02-06 13:29:34,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.5185185185185186) internal successors, (665), 190 states have internal predecessors, (665), 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) [2025-02-06 13:29:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2617 transitions. [2025-02-06 13:29:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2025-02-06 13:29:34,682 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:29:34,683 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 94, 1, 1, 1, 1] [2025-02-06 13:29:34,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 13:29:34,887 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 [2025-02-06 13:29:34,887 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)] === [2025-02-06 13:29:34,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:29:34,888 INFO L85 PathProgramCache]: Analyzing trace with hash -988837274, now seen corresponding path program 6 times [2025-02-06 13:29:34,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:29:34,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624564957] [2025-02-06 13:29:34,888 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 13:29:34,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:29:34,917 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1427 statements into 95 equivalence classes. [2025-02-06 13:29:35,285 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 1427 of 1427 statements. [2025-02-06 13:29:35,286 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-06 13:29:35,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:30:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 66881 backedges. 0 proven. 40091 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2025-02-06 13:30:04,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:30:04,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624564957] [2025-02-06 13:30:04,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624564957] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:30:04,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206495495] [2025-02-06 13:30:04,222 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 13:30:04,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:30:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:30:04,224 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) [2025-02-06 13:30:04,225 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 [2025-02-06 13:30:04,318 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1427 statements into 95 equivalence classes. [2025-02-06 13:30:04,824 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 1427 of 1427 statements. [2025-02-06 13:30:04,825 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-06 13:30:04,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:30:04,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 3334 conjuncts, 191 conjuncts are in the unsatisfiable core [2025-02-06 13:30:04,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:30:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 66881 backedges. 0 proven. 40091 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2025-02-06 13:30:05,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:30:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 66881 backedges. 0 proven. 40091 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2025-02-06 13:30:26,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206495495] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:30:26,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:30:26,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 191, 191] total 383 [2025-02-06 13:30:26,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668299545] [2025-02-06 13:30:26,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:30:26,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2025-02-06 13:30:26,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:30:26,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2025-02-06 13:30:26,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36893, Invalid=110179, Unknown=0, NotChecked=0, Total=147072 [2025-02-06 13:30:26,517 INFO L87 Difference]: Start difference. First operand 1750 states and 2617 transitions. Second operand has 384 states, 383 states have (on average 3.503916449086162) internal successors, (1342), 384 states have internal predecessors, (1342), 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) [2025-02-06 13:30:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:30:43,729 INFO L93 Difference]: Finished difference Result 5367 states and 8143 transitions. [2025-02-06 13:30:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 464 states. [2025-02-06 13:30:43,731 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 3.503916449086162) internal successors, (1342), 384 states have internal predecessors, (1342), 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 1427 [2025-02-06 13:30:43,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:30:43,746 INFO L225 Difference]: With dead ends: 5367 [2025-02-06 13:30:43,746 INFO L226 Difference]: Without dead ends: 3476 [2025-02-06 13:30:43,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3206 GetRequests, 2662 SyntacticMatches, 0 SemanticMatches, 544 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73945 ImplicationChecksByTransitivity, 38.3s TimeCoverageRelationStatistics Valid=68159, Invalid=229411, Unknown=0, NotChecked=0, Total=297570 [2025-02-06 13:30:43,759 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 895 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:30:43,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 1020 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:30:43,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2025-02-06 13:30:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 3476. [2025-02-06 13:30:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 2701 states have (on average 1.0851536467974825) internal successors, (2931), 2705 states have internal predecessors, (2931), 768 states have call successors, (768), 4 states have call predecessors, (768), 6 states have return successors, (1344), 768 states have call predecessors, (1344), 768 states have call successors, (1344) [2025-02-06 13:30:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 5043 transitions. [2025-02-06 13:30:43,869 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 5043 transitions. Word has length 1427 [2025-02-06 13:30:43,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:30:43,872 INFO L471 AbstractCegarLoop]: Abstraction has 3476 states and 5043 transitions. [2025-02-06 13:30:43,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 3.503916449086162) internal successors, (1342), 384 states have internal predecessors, (1342), 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) [2025-02-06 13:30:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 5043 transitions. [2025-02-06 13:30:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2868 [2025-02-06 13:30:43,912 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:30:43,912 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 190, 190, 1, 1, 1, 1] [2025-02-06 13:30:43,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:30:44,113 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 [2025-02-06 13:30:44,114 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)] === [2025-02-06 13:30:44,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:30:44,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2126881382, now seen corresponding path program 7 times [2025-02-06 13:30:44,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:30:44,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496410556] [2025-02-06 13:30:44,115 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 13:30:44,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:30:44,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2867 statements into 1 equivalence classes. [2025-02-06 13:30:44,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2867 of 2867 statements. [2025-02-06 13:30:44,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:30:44,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat