./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.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-scaling/geo1-u_unwindbound20.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 195211c9f868f5964f7b285740d659c730bcb8c4a7a1535db6072c2ad23ac8ff --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:37:30,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:37:30,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:37:30,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:37:30,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:37:30,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:37:30,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:37:30,149 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:37:30,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:37:30,149 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:37:30,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:37:30,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:37:30,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:37:30,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:37:30,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:37:30,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:37:30,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:37:30,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:37:30,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:37:30,152 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:37:30,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:37:30,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:37:30,152 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:37:30,152 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:37:30,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:37:30,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:37:30,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:37:30,154 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 -> 195211c9f868f5964f7b285740d659c730bcb8c4a7a1535db6072c2ad23ac8ff [2025-02-08 09:37:30,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:37:30,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:37:30,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:37:30,349 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:37:30,349 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:37:30,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2025-02-08 09:37:31,462 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6ca8aa38/b2fe854552d5440f94ca161b97e0e57c/FLAGd1cf8de28 [2025-02-08 09:37:31,676 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:37:31,677 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2025-02-08 09:37:31,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6ca8aa38/b2fe854552d5440f94ca161b97e0e57c/FLAGd1cf8de28 [2025-02-08 09:37:31,695 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6ca8aa38/b2fe854552d5440f94ca161b97e0e57c [2025-02-08 09:37:31,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:37:31,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:37:31,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:37:31,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:37:31,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:37:31,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddd52e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31, skipping insertion in model container [2025-02-08 09:37:31,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:37:31,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:37:31,817 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:37:31,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:37:31,841 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:37:31,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31 WrapperNode [2025-02-08 09:37:31,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:37:31,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:37:31,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:37:31,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:37:31,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,863 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2025-02-08 09:37:31,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:37:31,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:37:31,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:37:31,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:37:31,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,872 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,879 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 09:37:31,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:37:31,889 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:37:31,890 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:37:31,890 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:37:31,890 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (1/1) ... [2025-02-08 09:37:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:37:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:37:31,919 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 09:37:31,921 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 09:37:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:37:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:37:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:37:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:37:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:37:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:37:31,979 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:37:31,980 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:37:32,105 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-08 09:37:32,106 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:37:32,113 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:37:32,114 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:37:32,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:37:32 BoogieIcfgContainer [2025-02-08 09:37:32,115 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:37:32,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:37:32,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:37:32,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:37:32,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:37:31" (1/3) ... [2025-02-08 09:37:32,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48052906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:37:32, skipping insertion in model container [2025-02-08 09:37:32,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:37:31" (2/3) ... [2025-02-08 09:37:32,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48052906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:37:32, skipping insertion in model container [2025-02-08 09:37:32,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:37:32" (3/3) ... [2025-02-08 09:37:32,124 INFO L128 eAbstractionObserver]: Analyzing ICFG geo1-u_unwindbound20.c [2025-02-08 09:37:32,135 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:37:32,136 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo1-u_unwindbound20.c that has 2 procedures, 18 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-02-08 09:37:32,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:37:32,184 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;@60e01876, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:37:32,185 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 09:37:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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 09:37:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 09:37:32,191 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:37:32,191 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 09:37:32,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 09:37:32,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:37:32,195 INFO L85 PathProgramCache]: Analyzing trace with hash 45614, now seen corresponding path program 1 times [2025-02-08 09:37:32,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:37:32,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394826584] [2025-02-08 09:37:32,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:37:32,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:37:32,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:37:32,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:37:32,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:37:32,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:37:32,355 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 09:37:32,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:37:32,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394826584] [2025-02-08 09:37:32,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394826584] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:37:32,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:37:32,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:37:32,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492819014] [2025-02-08 09:37:32,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:37:32,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:37:32,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:37:32,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:37:32,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:37:32,376 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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 09:37:32,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:37:32,440 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2025-02-08 09:37:32,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:37:32,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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 09:37:32,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:37:32,445 INFO L225 Difference]: With dead ends: 39 [2025-02-08 09:37:32,445 INFO L226 Difference]: Without dead ends: 17 [2025-02-08 09:37:32,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 09:37:32,448 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:37:32,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 43 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:37:32,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-08 09:37:32,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2025-02-08 09:37:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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 09:37:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2025-02-08 09:37:32,474 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2025-02-08 09:37:32,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:37:32,474 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2025-02-08 09:37:32,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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 09:37:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2025-02-08 09:37:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:37:32,475 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:37:32,475 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:37:32,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:37:32,475 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 09:37:32,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:37:32,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1580715541, now seen corresponding path program 1 times [2025-02-08 09:37:32,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:37:32,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914333089] [2025-02-08 09:37:32,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:37:32,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:37:32,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:37:32,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:37:32,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:37:32,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:37:32,611 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 09:37:32,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:37:32,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914333089] [2025-02-08 09:37:32,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914333089] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:37:32,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836087486] [2025-02-08 09:37:32,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:37:32,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:37:32,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:37:32,614 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 09:37:32,616 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 09:37:32,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:37:32,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:37:32,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:37:32,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:37:32,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:37:32,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:37:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:37:32,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:37:32,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836087486] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:37:32,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:37:32,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-02-08 09:37:32,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276353607] [2025-02-08 09:37:32,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:37:32,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:37:32,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:37:32,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:37:32,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:37:32,724 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 09:37:32,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:37:32,775 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2025-02-08 09:37:32,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:37:32,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 13 [2025-02-08 09:37:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:37:32,776 INFO L225 Difference]: With dead ends: 17 [2025-02-08 09:37:32,776 INFO L226 Difference]: Without dead ends: 16 [2025-02-08 09:37:32,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:37:32,777 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:37:32,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:37:32,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-02-08 09:37:32,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2025-02-08 09:37:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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 09:37:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2025-02-08 09:37:32,779 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2025-02-08 09:37:32,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:37:32,779 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2025-02-08 09:37:32,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 09:37:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2025-02-08 09:37:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:37:32,783 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:37:32,783 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:37:32,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:37:32,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:37:32,984 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 09:37:32,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:37:32,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1757541495, now seen corresponding path program 1 times [2025-02-08 09:37:32,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:37:32,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334281064] [2025-02-08 09:37:32,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:37:32,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:37:32,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:37:32,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:37:32,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:37:32,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:37:33,116 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 09:37:33,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:37:33,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334281064] [2025-02-08 09:37:33,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334281064] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:37:33,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267662325] [2025-02-08 09:37:33,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:37:33,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:37:33,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:37:33,120 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 09:37:33,121 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 09:37:33,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:37:33,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:37:33,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:37:33,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:37:33,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:37:33,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:37:33,205 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 09:37:33,205 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:37:33,262 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 09:37:33,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267662325] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:37:33,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:37:33,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-02-08 09:37:33,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231595331] [2025-02-08 09:37:33,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:37:33,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:37:33,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:37:33,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:37:33,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:37:33,264 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 13 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:37:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:37:33,365 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2025-02-08 09:37:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:37:33,366 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 13 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 14 [2025-02-08 09:37:33,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:37:33,366 INFO L225 Difference]: With dead ends: 46 [2025-02-08 09:37:33,366 INFO L226 Difference]: Without dead ends: 45 [2025-02-08 09:37:33,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:37:33,367 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 32 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:37:33,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 51 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:37:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-08 09:37:33,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-08 09:37:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:37:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2025-02-08 09:37:33,372 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 14 [2025-02-08 09:37:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:37:33,372 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2025-02-08 09:37:33,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 13 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:37:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2025-02-08 09:37:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:37:33,372 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:37:33,373 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2025-02-08 09:37:33,378 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 09:37:33,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:37:33,577 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 09:37:33,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:37:33,577 INFO L85 PathProgramCache]: Analyzing trace with hash 211452898, now seen corresponding path program 2 times [2025-02-08 09:37:33,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:37:33,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833597962] [2025-02-08 09:37:33,578 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:37:33,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:37:33,585 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-02-08 09:37:33,595 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:37:33,595 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:37:33,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:37:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-02-08 09:37:33,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:37:33,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833597962] [2025-02-08 09:37:33,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833597962] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:37:33,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:37:33,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:37:33,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468399788] [2025-02-08 09:37:33,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:37:33,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:37:33,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:37:33,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:37:33,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:37:33,711 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 09:37:33,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:37:33,740 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2025-02-08 09:37:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:37:33,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 09:37:33,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:37:33,741 INFO L225 Difference]: With dead ends: 45 [2025-02-08 09:37:33,742 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:37:33,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:37:33,743 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:37:33,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 17 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:37:33,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:37:33,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:37:33,745 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) [2025-02-08 09:37:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:37:33,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2025-02-08 09:37:33,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:37:33,745 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:37:33,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 09:37:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:37:33,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:37:33,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-08 09:37:33,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-08 09:37:33,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:37:33,755 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2025-02-08 09:37:33,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:37:33,808 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:37:33,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:37:33 BoogieIcfgContainer [2025-02-08 09:37:33,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:37:33,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:37:33,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:37:33,819 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:37:33,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:37:32" (3/4) ... [2025-02-08 09:37:33,820 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:37:33,824 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-08 09:37:33,826 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 09:37:33,826 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 09:37:33,826 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 09:37:33,826 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:37:33,874 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:37:33,874 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:37:33,874 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:37:33,874 INFO L158 Benchmark]: Toolchain (without parser) took 2176.96ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 49.9MB in the end (delta: 55.9MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2025-02-08 09:37:33,875 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:37:33,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.63ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:37:33,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.87ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:37:33,875 INFO L158 Benchmark]: Boogie Preprocessor took 24.48ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:37:33,876 INFO L158 Benchmark]: IcfgBuilder took 225.13ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 81.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:37:33,876 INFO L158 Benchmark]: TraceAbstraction took 1700.99ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 56.1MB in the end (delta: 25.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2025-02-08 09:37:33,876 INFO L158 Benchmark]: Witness Printer took 55.55ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 49.9MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:37:33,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.63ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.87ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.48ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 225.13ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 81.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1700.99ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 56.1MB in the end (delta: 25.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 55.55ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 49.9MB in the end (delta: 6.2MB). 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 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 38 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=3, InterpolantAutomatonStates: 31, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 6 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 74/85 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: 33]: Location Invariant Derived location invariant: (((1 <= counter) && (counter <= 20)) || (counter == 0)) RESULT: Ultimate proved your program to be correct! [2025-02-08 09:37:33,888 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