./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 95f92d67113368ce9163571f81d85414539d558535b51b4568b3b416ae740375 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:26:46,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:26:46,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 01:26:46,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:26:46,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:26:46,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:26:46,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:26:46,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:26:46,645 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:26:46,645 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:26:46,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:26:46,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:26:46,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:26:46,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:26:46,646 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:26:46,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:26:46,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:26:46,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:26:46,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:26:46,647 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:26:46,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:26:46,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:26:46,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:26:46,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:26:46,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:26:46,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:26:46,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:26:46,649 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f92d67113368ce9163571f81d85414539d558535b51b4568b3b416ae740375 [2025-01-10 01:26:46,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:26:46,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:26:46,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:26:46,883 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:26:46,883 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:26:46,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c [2025-01-10 01:26:48,015 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7abc9a7ac/ab267ce8f31b4c4b9ae5a9a0c5dd0135/FLAG2b65c8f4a [2025-01-10 01:26:48,264 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:26:48,265 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c [2025-01-10 01:26:48,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7abc9a7ac/ab267ce8f31b4c4b9ae5a9a0c5dd0135/FLAG2b65c8f4a [2025-01-10 01:26:48,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7abc9a7ac/ab267ce8f31b4c4b9ae5a9a0c5dd0135 [2025-01-10 01:26:48,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:26:48,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:26:48,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:26:48,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:26:48,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:26:48,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240b7983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48, skipping insertion in model container [2025-01-10 01:26:48,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:26:48,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:26:48,721 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:26:48,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:26:48,739 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:26:48,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48 WrapperNode [2025-01-10 01:26:48,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:26:48,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:26:48,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:26:48,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:26:48,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,759 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2025-01-10 01:26:48,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:26:48,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:26:48,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:26:48,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:26:48,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,770 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:26:48,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:26:48,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:26:48,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:26:48,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:26:48,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (1/1) ... [2025-01-10 01:26:48,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:26:48,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:26:48,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 01:26:48,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 01:26:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:26:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:26:48,885 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:26:48,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:26:48,938 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-10 01:26:48,938 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:26:48,944 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:26:48,946 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 01:26:48,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:26:48 BoogieIcfgContainer [2025-01-10 01:26:48,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:26:48,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:26:48,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:26:48,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:26:48,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:26:48" (1/3) ... [2025-01-10 01:26:48,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456e3626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:26:48, skipping insertion in model container [2025-01-10 01:26:48,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:26:48" (2/3) ... [2025-01-10 01:26:48,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456e3626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:26:48, skipping insertion in model container [2025-01-10 01:26:48,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:26:48" (3/3) ... [2025-01-10 01:26:48,957 INFO L128 eAbstractionObserver]: Analyzing ICFG NonTerminationSimple7.c [2025-01-10 01:26:48,971 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:26:48,974 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG NonTerminationSimple7.c that has 1 procedures, 12 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-01-10 01:26:49,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:26:49,030 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;@48b6ab77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:26:49,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-10 01:26:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:26:49,039 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:26:49,039 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:26:49,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 01:26:49,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:26:49,047 INFO L85 PathProgramCache]: Analyzing trace with hash 28693827, now seen corresponding path program 1 times [2025-01-10 01:26:49,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:26:49,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279920405] [2025-01-10 01:26:49,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:26:49,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:26:49,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:26:49,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:26:49,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:26:49,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:26:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:26:49,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:26:49,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279920405] [2025-01-10 01:26:49,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279920405] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:26:49,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:26:49,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:26:49,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983334335] [2025-01-10 01:26:49,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:26:49,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:26:49,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:26:49,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:26:49,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:26:49,211 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:26:49,277 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2025-01-10 01:26:49,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:26:49,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 01:26:49,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:26:49,283 INFO L225 Difference]: With dead ends: 17 [2025-01-10 01:26:49,283 INFO L226 Difference]: Without dead ends: 10 [2025-01-10 01:26:49,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:26:49,288 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:26:49,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:26:49,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-01-10 01:26:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-01-10 01:26:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 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) [2025-01-10 01:26:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2025-01-10 01:26:49,310 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2025-01-10 01:26:49,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:26:49,310 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2025-01-10 01:26:49,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2025-01-10 01:26:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:26:49,310 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:26:49,310 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:26:49,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:26:49,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 01:26:49,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:26:49,311 INFO L85 PathProgramCache]: Analyzing trace with hash 889508680, now seen corresponding path program 1 times [2025-01-10 01:26:49,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:26:49,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145311164] [2025-01-10 01:26:49,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:26:49,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:26:49,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:26:49,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:26:49,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:26:49,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:26:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:26:49,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:26:49,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145311164] [2025-01-10 01:26:49,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145311164] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:26:49,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:26:49,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:26:49,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944864256] [2025-01-10 01:26:49,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:26:49,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:26:49,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:26:49,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:26:49,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:26:49,371 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:26:49,399 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2025-01-10 01:26:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:26:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:26:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:26:49,400 INFO L225 Difference]: With dead ends: 12 [2025-01-10 01:26:49,400 INFO L226 Difference]: Without dead ends: 11 [2025-01-10 01:26:49,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:26:49,401 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:26:49,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:26:49,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2025-01-10 01:26:49,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-01-10 01:26:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 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) [2025-01-10 01:26:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2025-01-10 01:26:49,404 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 6 [2025-01-10 01:26:49,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:26:49,404 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2025-01-10 01:26:49,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2025-01-10 01:26:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 01:26:49,404 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:26:49,404 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:26:49,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:26:49,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 01:26:49,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:26:49,405 INFO L85 PathProgramCache]: Analyzing trace with hash 119350826, now seen corresponding path program 1 times [2025-01-10 01:26:49,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:26:49,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669573042] [2025-01-10 01:26:49,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:26:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:26:49,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:26:49,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:26:49,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:26:49,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:26:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:26:49,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:26:49,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669573042] [2025-01-10 01:26:49,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669573042] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:26:49,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960976967] [2025-01-10 01:26:49,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:26:49,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:26:49,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:26:49,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:26:49,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 01:26:49,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:26:49,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:26:49,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:26:49,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:26:49,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:26:49,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:26:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:26:49,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:26:49,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960976967] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:26:49,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:26:49,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 01:26:49,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860534661] [2025-01-10 01:26:49,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:26:49,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:26:49,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:26:49,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:26:49,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:26:49,506 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:26:49,517 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2025-01-10 01:26:49,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:26:49,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-01-10 01:26:49,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:26:49,518 INFO L225 Difference]: With dead ends: 11 [2025-01-10 01:26:49,518 INFO L226 Difference]: Without dead ends: 10 [2025-01-10 01:26:49,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:26:49,519 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6 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 [2025-01-10 01:26:49,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:26:49,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-01-10 01:26:49,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-01-10 01:26:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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) [2025-01-10 01:26:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2025-01-10 01:26:49,522 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2025-01-10 01:26:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:26:49,522 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2025-01-10 01:26:49,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2025-01-10 01:26:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:26:49,523 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:26:49,523 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:26:49,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:26:49,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:26:49,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 01:26:49,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:26:49,727 INFO L85 PathProgramCache]: Analyzing trace with hash -595091647, now seen corresponding path program 1 times [2025-01-10 01:26:49,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:26:49,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966176332] [2025-01-10 01:26:49,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:26:49,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:26:49,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:26:49,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:26:49,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:26:49,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:26:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:26:49,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:26:49,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966176332] [2025-01-10 01:26:49,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966176332] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:26:49,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594272983] [2025-01-10 01:26:49,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:26:49,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:26:49,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:26:49,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:26:49,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 01:26:49,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:26:49,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:26:49,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:26:49,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:26:49,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:26:49,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:26:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:26:49,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:26:49,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594272983] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:26:49,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:26:49,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-01-10 01:26:49,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453186940] [2025-01-10 01:26:49,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:26:49,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:26:49,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:26:49,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:26:49,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:26:49,867 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:26:49,875 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2025-01-10 01:26:49,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:26:49,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 01:26:49,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:26:49,876 INFO L225 Difference]: With dead ends: 10 [2025-01-10 01:26:49,876 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 01:26:49,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:26:49,877 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:26:49,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:26:49,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 01:26:49,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 01:26:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 01:26:49,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2025-01-10 01:26:49,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:26:49,878 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 01:26:49,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:26:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 01:26:49,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 01:26:49,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-01-10 01:26:49,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-01-10 01:26:49,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:26:50,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:26:50,084 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-10 01:26:50,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 01:26:50,119 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 01:26:50,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:26:50 BoogieIcfgContainer [2025-01-10 01:26:50,128 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 01:26:50,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 01:26:50,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 01:26:50,129 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 01:26:50,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:26:48" (3/4) ... [2025-01-10 01:26:50,131 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 01:26:50,135 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-10 01:26:50,136 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 01:26:50,136 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-10 01:26:50,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 01:26:50,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 01:26:50,186 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 01:26:50,187 INFO L158 Benchmark]: Toolchain (without parser) took 1580.11ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 52.0MB in the end (delta: 72.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-01-10 01:26:50,187 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:26:50,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 133.26ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 114.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:26:50,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.89ms. Allocated memory is still 167.8MB. Free memory was 114.4MB in the beginning and 113.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:26:50,188 INFO L158 Benchmark]: Boogie Preprocessor took 20.04ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 112.6MB in the end (delta: 623.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:26:50,188 INFO L158 Benchmark]: RCFGBuilder took 167.12ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 102.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:26:50,188 INFO L158 Benchmark]: TraceAbstraction took 1178.35ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 57.1MB in the end (delta: 45.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-01-10 01:26:50,188 INFO L158 Benchmark]: Witness Printer took 58.00ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 52.0MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:26:50,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 133.26ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 114.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.89ms. Allocated memory is still 167.8MB. Free memory was 114.4MB in the beginning and 113.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.04ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 112.6MB in the end (delta: 623.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 167.12ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 102.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1178.35ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 57.1MB in the end (delta: 45.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 58.00ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 52.0MB in the end (delta: 5.1MB). There was no memory consumed. 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 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 17 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 6/10 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (((c == 0) && (x <= 2147483647)) && (0 <= (x + 2147483648))) RESULT: Ultimate proved your program to be correct! [2025-01-10 01:26:50,201 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 Result: TRUE