./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/geo2-ll2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/geo2-ll2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e871fa33b0334d5a32c7b72bf8c566167ee8ba89fea0452fc9132a1c10a2cca9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:16:32,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:16:32,298 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:16:32,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:16:32,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:16:32,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:16:32,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:16:32,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:16:32,318 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:16:32,318 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:16:32,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:16:32,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:16:32,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:16:32,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:16:32,319 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:16:32,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:16:32,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:16:32,319 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:16:32,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:16:32,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:16:32,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:16:32,320 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:16:32,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:16:32,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:16:32,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:16:32,322 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e871fa33b0334d5a32c7b72bf8c566167ee8ba89fea0452fc9132a1c10a2cca9 [2025-02-08 09:16:32,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:16:32,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:16:32,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:16:32,581 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:16:32,581 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:16:32,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/geo2-ll2.c [2025-02-08 09:16:33,795 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c9788980/7474f785536e4e5a8dc7252f938c5f69/FLAGd73974646 [2025-02-08 09:16:34,035 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:16:34,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/geo2-ll2.c [2025-02-08 09:16:34,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c9788980/7474f785536e4e5a8dc7252f938c5f69/FLAGd73974646 [2025-02-08 09:16:34,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c9788980/7474f785536e4e5a8dc7252f938c5f69 [2025-02-08 09:16:34,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:16:34,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:16:34,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:16:34,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:16:34,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:16:34,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b741327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34, skipping insertion in model container [2025-02-08 09:16:34,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:16:34,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:16:34,521 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:16:34,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:16:34,545 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:16:34,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34 WrapperNode [2025-02-08 09:16:34,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:16:34,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:16:34,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:16:34,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:16:34,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,576 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2025-02-08 09:16:34,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:16:34,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:16:34,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:16:34,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:16:34,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,605 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:16:34,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,609 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:16:34,615 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:16:34,615 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:16:34,615 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:16:34,616 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (1/1) ... [2025-02-08 09:16:34,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:16:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:34,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:16:34,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:16:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:16:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:16:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:16:34,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:16:34,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:16:34,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:16:34,707 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:16:34,708 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:16:34,951 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2025-02-08 09:16:34,952 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:16:34,962 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:16:34,962 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:16:34,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:16:34 BoogieIcfgContainer [2025-02-08 09:16:34,962 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:16:34,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:16:34,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:16:34,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:16:34,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:16:34" (1/3) ... [2025-02-08 09:16:34,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4815d024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:16:34, skipping insertion in model container [2025-02-08 09:16:34,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:34" (2/3) ... [2025-02-08 09:16:34,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4815d024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:16:34, skipping insertion in model container [2025-02-08 09:16:34,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:16:34" (3/3) ... [2025-02-08 09:16:34,970 INFO L128 eAbstractionObserver]: Analyzing ICFG geo2-ll2.c [2025-02-08 09:16:34,979 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:16:34,980 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo2-ll2.c that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 28 error locations. [2025-02-08 09:16:35,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:16:35,016 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;@3b8c1554, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:16:35,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-02-08 09:16:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 36 states have (on average 1.8611111111111112) internal successors, (67), 64 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 09:16:35,022 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:35,022 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 09:16:35,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:35,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:35,025 INFO L85 PathProgramCache]: Analyzing trace with hash 92285, now seen corresponding path program 1 times [2025-02-08 09:16:35,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:35,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10603696] [2025-02-08 09:16:35,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:35,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:35,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:16:35,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:16:35,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:35,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:35,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420163861] [2025-02-08 09:16:35,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:35,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:35,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:35,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:35,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:16:35,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:16:35,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:16:35,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:35,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:35,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:16:35,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:35,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:35,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:35,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10603696] [2025-02-08 09:16:35,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:35,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420163861] [2025-02-08 09:16:35,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420163861] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:35,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:35,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:16:35,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721479395] [2025-02-08 09:16:35,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:35,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:16:35,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:35,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:16:35,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:35,197 INFO L87 Difference]: Start difference. First operand has 68 states, 36 states have (on average 1.8611111111111112) internal successors, (67), 64 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:35,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:35,387 INFO L93 Difference]: Finished difference Result 168 states and 206 transitions. [2025-02-08 09:16:35,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:16:35,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 09:16:35,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:35,392 INFO L225 Difference]: With dead ends: 168 [2025-02-08 09:16:35,392 INFO L226 Difference]: Without dead ends: 95 [2025-02-08 09:16:35,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:35,396 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 29 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:35,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 44 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:16:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-02-08 09:16:35,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2025-02-08 09:16:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.7321428571428572) internal successors, (97), 83 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2025-02-08 09:16:35,427 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 3 [2025-02-08 09:16:35,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:35,427 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2025-02-08 09:16:35,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:35,428 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2025-02-08 09:16:35,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:16:35,428 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:35,428 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:16:35,435 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 [2025-02-08 09:16:35,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:16:35,629 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:35,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:35,630 INFO L85 PathProgramCache]: Analyzing trace with hash 2860862, now seen corresponding path program 1 times [2025-02-08 09:16:35,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:35,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293554164] [2025-02-08 09:16:35,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:35,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:16:35,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:16:35,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:35,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:35,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1763083441] [2025-02-08 09:16:35,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:35,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:35,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:35,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:35,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:16:35,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:16:35,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:16:35,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:35,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:35,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:16:35,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:35,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:35,684 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:35,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:35,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293554164] [2025-02-08 09:16:35,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:35,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763083441] [2025-02-08 09:16:35,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763083441] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:35,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:35,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:16:35,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640651493] [2025-02-08 09:16:35,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:35,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:16:35,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:35,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:16:35,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:35,686 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:35,846 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2025-02-08 09:16:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:16:35,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 09:16:35,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:35,847 INFO L225 Difference]: With dead ends: 103 [2025-02-08 09:16:35,847 INFO L226 Difference]: Without dead ends: 95 [2025-02-08 09:16:35,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:35,848 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:35,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 45 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:35,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-02-08 09:16:35,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2025-02-08 09:16:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 58 states have (on average 1.603448275862069) internal successors, (93), 85 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2025-02-08 09:16:35,854 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 4 [2025-02-08 09:16:35,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:35,854 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2025-02-08 09:16:35,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2025-02-08 09:16:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 09:16:35,856 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:35,857 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:35,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:16:36,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:36,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:36,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:36,060 INFO L85 PathProgramCache]: Analyzing trace with hash -952352553, now seen corresponding path program 1 times [2025-02-08 09:16:36,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:36,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841010627] [2025-02-08 09:16:36,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:36,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:36,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:16:36,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:16:36,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:36,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:36,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177699986] [2025-02-08 09:16:36,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:36,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:36,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:36,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:36,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:16:36,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:16:36,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:16:36,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:36,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:36,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:16:36,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:36,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:36,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:36,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841010627] [2025-02-08 09:16:36,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:36,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177699986] [2025-02-08 09:16:36,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177699986] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:36,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:36,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:16:36,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762383784] [2025-02-08 09:16:36,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:36,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:16:36,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:36,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:16:36,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:36,185 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:36,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:36,342 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2025-02-08 09:16:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:16:36,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 09:16:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:36,343 INFO L225 Difference]: With dead ends: 100 [2025-02-08 09:16:36,343 INFO L226 Difference]: Without dead ends: 97 [2025-02-08 09:16:36,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:36,345 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:36,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 44 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:36,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-02-08 09:16:36,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 91. [2025-02-08 09:16:36,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 87 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2025-02-08 09:16:36,352 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 9 [2025-02-08 09:16:36,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:36,352 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2025-02-08 09:16:36,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2025-02-08 09:16:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:16:36,353 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:36,353 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:36,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:16:36,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:36,553 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:36,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:36,554 INFO L85 PathProgramCache]: Analyzing trace with hash 541841944, now seen corresponding path program 1 times [2025-02-08 09:16:36,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:36,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325955648] [2025-02-08 09:16:36,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:36,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:36,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:16:36,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:16:36,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:36,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:36,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130854527] [2025-02-08 09:16:36,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:36,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:36,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:36,564 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:36,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:16:36,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:16:36,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:16:36,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:36,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:36,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:16:36,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:36,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:36,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:36,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325955648] [2025-02-08 09:16:36,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:36,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130854527] [2025-02-08 09:16:36,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130854527] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:36,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:36,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:16:36,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769116779] [2025-02-08 09:16:36,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:36,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:16:36,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:36,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:16:36,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:36,661 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:36,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:36,830 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2025-02-08 09:16:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:16:36,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 09:16:36,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:36,831 INFO L225 Difference]: With dead ends: 100 [2025-02-08 09:16:36,832 INFO L226 Difference]: Without dead ends: 97 [2025-02-08 09:16:36,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:36,832 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 23 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:36,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 47 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:16:36,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-02-08 09:16:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2025-02-08 09:16:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 62 states have (on average 1.532258064516129) internal successors, (95), 89 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2025-02-08 09:16:36,839 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 10 [2025-02-08 09:16:36,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:36,839 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2025-02-08 09:16:36,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:36,839 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2025-02-08 09:16:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 09:16:36,839 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:36,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:36,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:16:37,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:37,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:37,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:37,042 INFO L85 PathProgramCache]: Analyzing trace with hash -382768907, now seen corresponding path program 1 times [2025-02-08 09:16:37,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:37,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901379737] [2025-02-08 09:16:37,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:37,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:37,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:16:37,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:16:37,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:37,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:37,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1488706610] [2025-02-08 09:16:37,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:37,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:37,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:37,055 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:37,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:16:37,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:16:37,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:16:37,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:37,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:37,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:16:37,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:37,123 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:37,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:37,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901379737] [2025-02-08 09:16:37,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:37,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488706610] [2025-02-08 09:16:37,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488706610] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:37,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:37,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:16:37,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493838814] [2025-02-08 09:16:37,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:37,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:16:37,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:37,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:16:37,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:37,124 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:37,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:37,275 INFO L93 Difference]: Finished difference Result 101 states and 102 transitions. [2025-02-08 09:16:37,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:16:37,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-08 09:16:37,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:37,275 INFO L225 Difference]: With dead ends: 101 [2025-02-08 09:16:37,275 INFO L226 Difference]: Without dead ends: 87 [2025-02-08 09:16:37,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:37,276 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 20 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:37,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 53 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:37,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-02-08 09:16:37,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2025-02-08 09:16:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 81 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:37,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 88 transitions. [2025-02-08 09:16:37,283 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 88 transitions. Word has length 11 [2025-02-08 09:16:37,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:37,284 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 88 transitions. [2025-02-08 09:16:37,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:16:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2025-02-08 09:16:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:16:37,284 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:37,284 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:37,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:16:37,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:37,485 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:37,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash 763531507, now seen corresponding path program 1 times [2025-02-08 09:16:37,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:37,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400116155] [2025-02-08 09:16:37,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:37,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:16:37,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:16:37,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:37,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:37,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:37,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400116155] [2025-02-08 09:16:37,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400116155] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:37,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:37,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:16:37,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977908749] [2025-02-08 09:16:37,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:37,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:16:37,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:37,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:16:37,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:37,558 INFO L87 Difference]: Start difference. First operand 85 states and 88 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:37,574 INFO L93 Difference]: Finished difference Result 87 states and 88 transitions. [2025-02-08 09:16:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:16:37,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-02-08 09:16:37,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:37,575 INFO L225 Difference]: With dead ends: 87 [2025-02-08 09:16:37,575 INFO L226 Difference]: Without dead ends: 85 [2025-02-08 09:16:37,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:37,576 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:37,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 118 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:16:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-02-08 09:16:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2025-02-08 09:16:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.5185185185185186) internal successors, (82), 81 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2025-02-08 09:16:37,580 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 19 [2025-02-08 09:16:37,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:37,581 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2025-02-08 09:16:37,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2025-02-08 09:16:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:16:37,582 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:37,582 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:37,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:16:37,582 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:37,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:37,582 INFO L85 PathProgramCache]: Analyzing trace with hash 860160649, now seen corresponding path program 1 times [2025-02-08 09:16:37,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:37,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601115036] [2025-02-08 09:16:37,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:37,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:37,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:16:37,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:16:37,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:37,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:37,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [884882205] [2025-02-08 09:16:37,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:37,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:37,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:37,599 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:37,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:16:37,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:16:37,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:16:37,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:37,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:37,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:16:37,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:37,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:37,864 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:38,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:38,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601115036] [2025-02-08 09:16:38,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:38,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884882205] [2025-02-08 09:16:38,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884882205] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:38,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:38,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:16:38,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103504564] [2025-02-08 09:16:38,020 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:38,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:16:38,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:38,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:16:38,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:16:38,021 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:38,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:38,518 INFO L93 Difference]: Finished difference Result 126 states and 144 transitions. [2025-02-08 09:16:38,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:16:38,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-02-08 09:16:38,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:38,522 INFO L225 Difference]: With dead ends: 126 [2025-02-08 09:16:38,522 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 09:16:38,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:16:38,523 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 46 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:38,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 100 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:16:38,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 09:16:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 108. [2025-02-08 09:16:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 103 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:16:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2025-02-08 09:16:38,528 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 28 [2025-02-08 09:16:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:38,528 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2025-02-08 09:16:38,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:38,529 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2025-02-08 09:16:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:16:38,529 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:38,529 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:38,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 09:16:38,729 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,SelfDestructingSolverStorable6 [2025-02-08 09:16:38,730 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:38,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:38,730 INFO L85 PathProgramCache]: Analyzing trace with hash 895176370, now seen corresponding path program 1 times [2025-02-08 09:16:38,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:38,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161454240] [2025-02-08 09:16:38,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:38,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:38,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:16:38,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:16:38,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:38,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:38,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795302148] [2025-02-08 09:16:38,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:38,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:38,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:38,748 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:38,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:16:38,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:16:38,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:16:38,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:38,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:38,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:16:38,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:38,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:39,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:39,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161454240] [2025-02-08 09:16:39,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:39,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795302148] [2025-02-08 09:16:39,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795302148] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:16:39,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:16:39,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:16:39,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518236856] [2025-02-08 09:16:39,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:39,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:16:39,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:39,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:16:39,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:16:39,357 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:41,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:16:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:42,541 INFO L93 Difference]: Finished difference Result 124 states and 136 transitions. [2025-02-08 09:16:42,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:16:42,541 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2025-02-08 09:16:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:42,542 INFO L225 Difference]: With dead ends: 124 [2025-02-08 09:16:42,542 INFO L226 Difference]: Without dead ends: 116 [2025-02-08 09:16:42,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:16:42,543 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 88 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:42,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 73 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-02-08 09:16:42,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-08 09:16:42,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 108. [2025-02-08 09:16:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 103 states have internal predecessors, (111), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:16:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2025-02-08 09:16:42,564 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 29 [2025-02-08 09:16:42,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:42,564 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2025-02-08 09:16:42,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2025-02-08 09:16:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:16:42,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:42,565 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:42,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:16:42,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:42,766 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:42,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:42,766 INFO L85 PathProgramCache]: Analyzing trace with hash 917447139, now seen corresponding path program 1 times [2025-02-08 09:16:42,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:42,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628837541] [2025-02-08 09:16:42,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:42,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:42,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:16:42,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:16:42,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:42,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:42,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545310772] [2025-02-08 09:16:42,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:42,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:42,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:42,779 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:42,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:16:42,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:16:42,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:16:42,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:42,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:42,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:16:42,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:42,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:42,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:42,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628837541] [2025-02-08 09:16:42,902 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:42,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545310772] [2025-02-08 09:16:42,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545310772] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:42,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:42,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-08 09:16:42,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281390791] [2025-02-08 09:16:42,902 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:42,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:16:42,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:42,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:16:42,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:16:42,904 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:43,024 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2025-02-08 09:16:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:16:43,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-02-08 09:16:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:43,025 INFO L225 Difference]: With dead ends: 119 [2025-02-08 09:16:43,025 INFO L226 Difference]: Without dead ends: 116 [2025-02-08 09:16:43,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:16:43,026 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 24 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:43,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 84 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:43,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-08 09:16:43,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 110. [2025-02-08 09:16:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 80 states have (on average 1.4) internal successors, (112), 105 states have internal predecessors, (112), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:16:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2025-02-08 09:16:43,035 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 34 [2025-02-08 09:16:43,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:43,035 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2025-02-08 09:16:43,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2025-02-08 09:16:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:16:43,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:43,036 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:43,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:16:43,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:43,236 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:43,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:43,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1623909748, now seen corresponding path program 1 times [2025-02-08 09:16:43,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:43,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535604806] [2025-02-08 09:16:43,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:43,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:43,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:16:43,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:16:43,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:43,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:43,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608767774] [2025-02-08 09:16:43,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:43,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:43,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:43,260 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:43,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:16:43,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:16:43,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:16:43,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:43,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:43,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:16:43,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:43,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:43,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:43,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535604806] [2025-02-08 09:16:43,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:43,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608767774] [2025-02-08 09:16:43,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608767774] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:16:43,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:16:43,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:16:43,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210558876] [2025-02-08 09:16:43,991 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:43,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:16:43,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:43,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:16:43,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:16:43,992 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:44,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:44,444 INFO L93 Difference]: Finished difference Result 119 states and 127 transitions. [2025-02-08 09:16:44,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:16:44,445 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2025-02-08 09:16:44,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:44,445 INFO L225 Difference]: With dead ends: 119 [2025-02-08 09:16:44,445 INFO L226 Difference]: Without dead ends: 116 [2025-02-08 09:16:44,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:16:44,446 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 52 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:44,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 78 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:16:44,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-08 09:16:44,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 108. [2025-02-08 09:16:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 80 states have (on average 1.3625) internal successors, (109), 103 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:16:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 115 transitions. [2025-02-08 09:16:44,449 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 115 transitions. Word has length 35 [2025-02-08 09:16:44,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:44,450 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 115 transitions. [2025-02-08 09:16:44,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2025-02-08 09:16:44,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:16:44,451 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:44,451 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:44,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:16:44,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:44,655 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:44,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:44,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1198405377, now seen corresponding path program 1 times [2025-02-08 09:16:44,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:44,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549137216] [2025-02-08 09:16:44,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:44,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:16:44,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:16:44,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:44,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:44,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849879482] [2025-02-08 09:16:44,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:44,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:44,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:44,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:44,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:16:44,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:16:44,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:16:44,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:44,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:44,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:16:44,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:16:44,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:44,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549137216] [2025-02-08 09:16:44,892 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849879482] [2025-02-08 09:16:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849879482] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:44,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:44,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:16:44,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037645861] [2025-02-08 09:16:44,893 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:44,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:16:44,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:44,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:16:44,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:16:44,895 INFO L87 Difference]: Start difference. First operand 108 states and 115 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:45,077 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2025-02-08 09:16:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:16:45,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-02-08 09:16:45,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:45,078 INFO L225 Difference]: With dead ends: 117 [2025-02-08 09:16:45,078 INFO L226 Difference]: Without dead ends: 103 [2025-02-08 09:16:45,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:16:45,079 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 20 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:45,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 81 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:16:45,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-02-08 09:16:45,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2025-02-08 09:16:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.356164383561644) internal successors, (99), 96 states have internal predecessors, (99), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:16:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 105 transitions. [2025-02-08 09:16:45,082 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 105 transitions. Word has length 36 [2025-02-08 09:16:45,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:45,082 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 105 transitions. [2025-02-08 09:16:45,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:16:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 105 transitions. [2025-02-08 09:16:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:16:45,083 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:45,083 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:45,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:16:45,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:45,287 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:45,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:45,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1917358847, now seen corresponding path program 1 times [2025-02-08 09:16:45,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:45,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593349965] [2025-02-08 09:16:45,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:45,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:45,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:16:45,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:16:45,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:45,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:45,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:45,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593349965] [2025-02-08 09:16:45,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593349965] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:45,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041885561] [2025-02-08 09:16:45,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:45,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:45,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:45,390 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:45,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:16:45,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:16:45,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:16:45,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:45,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:45,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:16:45,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:45,460 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:45,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041885561] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:45,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:45,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:16:45,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297709898] [2025-02-08 09:16:45,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:45,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:16:45,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:45,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:16:45,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:16:45,461 INFO L87 Difference]: Start difference. First operand 101 states and 105 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:45,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:45,475 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2025-02-08 09:16:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:16:45,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2025-02-08 09:16:45,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:45,477 INFO L225 Difference]: With dead ends: 101 [2025-02-08 09:16:45,477 INFO L226 Difference]: Without dead ends: 100 [2025-02-08 09:16:45,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:16:45,477 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 15 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:45,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 122 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:16:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-08 09:16:45,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2025-02-08 09:16:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 95 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:16:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 103 transitions. [2025-02-08 09:16:45,482 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 103 transitions. Word has length 44 [2025-02-08 09:16:45,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:45,482 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 103 transitions. [2025-02-08 09:16:45,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2025-02-08 09:16:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:16:45,483 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:45,483 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:45,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:16:45,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 09:16:45,683 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:45,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:45,684 INFO L85 PathProgramCache]: Analyzing trace with hash -691417883, now seen corresponding path program 1 times [2025-02-08 09:16:45,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:45,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723953099] [2025-02-08 09:16:45,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:45,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:45,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:16:45,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:16:45,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:45,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:45,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723953099] [2025-02-08 09:16:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723953099] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154193884] [2025-02-08 09:16:45,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:45,783 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:45,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:16:45,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:16:45,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:16:45,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:45,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:45,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:16:45,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:45,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:45,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154193884] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:16:45,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:16:45,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:16:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401018895] [2025-02-08 09:16:45,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:45,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:16:45,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:45,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:16:45,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:16:45,892 INFO L87 Difference]: Start difference. First operand 100 states and 103 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:16:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:45,919 INFO L93 Difference]: Finished difference Result 162 states and 170 transitions. [2025-02-08 09:16:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:16:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 45 [2025-02-08 09:16:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:45,921 INFO L225 Difference]: With dead ends: 162 [2025-02-08 09:16:45,921 INFO L226 Difference]: Without dead ends: 161 [2025-02-08 09:16:45,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:16:45,921 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 30 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:45,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 256 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:16:45,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-02-08 09:16:45,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 137. [2025-02-08 09:16:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 108 states have (on average 1.4537037037037037) internal successors, (157), 130 states have internal predecessors, (157), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:16:45,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 167 transitions. [2025-02-08 09:16:45,925 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 167 transitions. Word has length 45 [2025-02-08 09:16:45,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:45,925 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 167 transitions. [2025-02-08 09:16:45,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:16:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2025-02-08 09:16:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:16:45,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:45,926 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 09:16:45,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:16:46,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:46,126 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:16:46,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:46,127 INFO L85 PathProgramCache]: Analyzing trace with hash -208499203, now seen corresponding path program 2 times [2025-02-08 09:16:46,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:46,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036753940] [2025-02-08 09:16:46,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:16:46,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:46,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-02-08 09:16:46,139 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:16:46,139 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:16:46,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:46,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927768213] [2025-02-08 09:16:46,139 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:16:46,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:46,141 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:16:46,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:16:46,159 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-02-08 09:16:46,172 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:16:46,172 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:16:46,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 09:16:46,172 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 09:16:46,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:16:46,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:16:46,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:46,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 09:16:46,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 09:16:46,205 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 09:16:46,205 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2025-02-08 09:16:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2025-02-08 09:16:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2025-02-08 09:16:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2025-02-08 09:16:46,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:16:46,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:46,413 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:46,442 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:16:46,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:16:46 BoogieIcfgContainer [2025-02-08 09:16:46,444 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:16:46,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:16:46,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:16:46,446 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:16:46,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:16:34" (3/4) ... [2025-02-08 09:16:46,447 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-08 09:16:46,491 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 12. [2025-02-08 09:16:46,540 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:16:46,540 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:16:46,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:16:46,541 INFO L158 Benchmark]: Toolchain (without parser) took 12158.99ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 95.7MB in the end (delta: 39.2MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2025-02-08 09:16:46,541 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:16:46,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.43ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 123.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:16:46,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.37ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 122.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:16:46,542 INFO L158 Benchmark]: Boogie Preprocessor took 35.40ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 121.6MB in the end (delta: 840.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:16:46,542 INFO L158 Benchmark]: IcfgBuilder took 347.52ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 106.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:16:46,542 INFO L158 Benchmark]: TraceAbstraction took 11479.95ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 102.2MB in the end (delta: 2.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2025-02-08 09:16:46,542 INFO L158 Benchmark]: Witness Printer took 95.02ms. Allocated memory is still 167.8MB. Free memory was 102.2MB in the beginning and 95.7MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:16:46,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.43ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 123.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.37ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 122.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.40ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 121.6MB in the end (delta: 840.4kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 347.52ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 106.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11479.95ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 102.2MB in the end (delta: 2.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 95.02ms. Allocated memory is still 167.8MB. Free memory was 102.2MB in the beginning and 95.7MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 34]: integer overflow possible integer overflow possible We found a FailurePath: [L24] int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L29] x = 1 [L30] y = 1 [L31] c = 1 VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L33] COND TRUE 1 VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L34] EXPR x*z VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L34] EXPR 1 + x*z VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L34] EXPR 1 + x*z - x VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L34] EXPR z*y VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L34] EXPR 1 + x*z - x - z*y VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L34] CALL __VERIFIER_assert(1 + x*z - x - z*y == 0) [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 + x*z - x - z*y == 0) VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L36] COND FALSE !(!(c < k)) VAL [c=1, k=3, x=1, y=1, z=-2147483647] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, k=3, x=1, y=1, z=-2147483647] [L40] EXPR x * z VAL [c=2, k=3, x=1, y=1, z=-2147483647] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, k=3, x=-2147483646, y=1, z=-2147483647] [L41] EXPR y * z [L41] y = y * z VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L33] COND TRUE 1 VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] EXPR x*z VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] EXPR 1 + x*z VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] EXPR 1 + x*z - x VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] EXPR z*y VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] EXPR 1 + x*z - x - z*y VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L34] CALL __VERIFIER_assert(1 + x*z - x - z*y == 0) [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 + x*z - x - z*y == 0) VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L36] COND FALSE !(!(c < k)) VAL [c=2, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=3, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L40] EXPR x * z VAL [c=3, k=3, x=-2147483646, y=-2147483647, z=-2147483647] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=3, k=3, x=4611686011984936963, y=-2147483647, z=-2147483647] [L41] EXPR y * z [L41] y = y * z VAL [c=3, k=3, x=4611686011984936963, y=4611686014132420609, z=-2147483647] [L33] COND TRUE 1 VAL [c=3, k=3, x=4611686011984936963, y=4611686014132420609, z=-2147483647] [L34] x*z VAL [c=3, k=3, y=4611686014132420609] - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 414 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 1145 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 638 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1743 IncrementalHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 507 mSDtfsCounter, 1743 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 445 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=13, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 84 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 701 NumberOfCodeBlocks, 701 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 487 ConstructedInterpolants, 4 QuantifiedInterpolants, 2919 SizeOfPredicates, 3 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 34/137 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-02-08 09:16:46,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)