./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/signextension2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/signextension2-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f55631880498cb5413deabbfbce35cfd825fe7b4c570de963a68b466888b738a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 10:39:13,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 10:39:13,684 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 10:39:13,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 10:39:13,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 10:39:13,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 10:39:13,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 10:39:13,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 10:39:13,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 10:39:13,701 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 10:39:13,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 10:39:13,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 10:39:13,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 10:39:13,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 10:39:13,702 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 10:39:13,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 10:39:13,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 10:39:13,702 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 10:39:13,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 10:39:13,703 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 10:39:13,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:39:13,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 10:39:13,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 10:39:13,704 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 ! call(reach_error())) ) 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 -> f55631880498cb5413deabbfbce35cfd825fe7b4c570de963a68b466888b738a [2025-02-05 10:39:13,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 10:39:13,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 10:39:13,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 10:39:13,924 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 10:39:13,924 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 10:39:13,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension2-2.c [2025-02-05 10:39:15,102 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2432719b1/004aad5f1a8941d482987cfe615fd4ef/FLAG127fda827 [2025-02-05 10:39:15,360 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 10:39:15,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-2.c [2025-02-05 10:39:15,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2432719b1/004aad5f1a8941d482987cfe615fd4ef/FLAG127fda827 [2025-02-05 10:39:15,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2432719b1/004aad5f1a8941d482987cfe615fd4ef [2025-02-05 10:39:15,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 10:39:15,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 10:39:15,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 10:39:15,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 10:39:15,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 10:39:15,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c453938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15, skipping insertion in model container [2025-02-05 10:39:15,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 10:39:15,790 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-2.c[589,602] [2025-02-05 10:39:15,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:39:15,797 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 10:39:15,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension2-2.c[589,602] [2025-02-05 10:39:15,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:39:15,812 INFO L204 MainTranslator]: Completed translation [2025-02-05 10:39:15,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15 WrapperNode [2025-02-05 10:39:15,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 10:39:15,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 10:39:15,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 10:39:15,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 10:39:15,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,829 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2025-02-05 10:39:15,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 10:39:15,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 10:39:15,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 10:39:15,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 10:39:15,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,835 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,842 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]. [2025-02-05 10:39:15,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 10:39:15,848 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 10:39:15,848 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 10:39:15,848 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 10:39:15,849 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (1/1) ... [2025-02-05 10:39:15,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:39:15,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:39:15,876 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) [2025-02-05 10:39:15,881 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 [2025-02-05 10:39:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 10:39:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 10:39:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 10:39:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 10:39:15,934 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 10:39:15,935 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 10:39:16,002 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-05 10:39:16,002 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 10:39:16,014 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 10:39:16,014 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 10:39:16,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:39:16 BoogieIcfgContainer [2025-02-05 10:39:16,014 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 10:39:16,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 10:39:16,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 10:39:16,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 10:39:16,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:39:15" (1/3) ... [2025-02-05 10:39:16,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f94529e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:39:16, skipping insertion in model container [2025-02-05 10:39:16,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:39:15" (2/3) ... [2025-02-05 10:39:16,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f94529e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:39:16, skipping insertion in model container [2025-02-05 10:39:16,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:39:16" (3/3) ... [2025-02-05 10:39:16,024 INFO L128 eAbstractionObserver]: Analyzing ICFG signextension2-2.c [2025-02-05 10:39:16,050 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 10:39:16,051 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG signextension2-2.c that has 1 procedures, 8 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-05 10:39:16,095 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 10:39:16,104 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;@395f14f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 10:39:16,104 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 10:39:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 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) [2025-02-05 10:39:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-05 10:39:16,109 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:39:16,109 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-05 10:39:16,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:39:16,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:39:16,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1261052, now seen corresponding path program 1 times [2025-02-05 10:39:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 10:39:16,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610584825] [2025-02-05 10:39:16,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:39:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 10:39:16,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-05 10:39:16,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-05 10:39:16,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:39:16,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:39:16,182 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 10:39:16,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-05 10:39:16,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-05 10:39:16,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:39:16,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:39:16,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 10:39:16,217 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 10:39:16,218 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 10:39:16,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 10:39:16,223 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 10:39:16,233 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 10:39:16,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:39:16 BoogieIcfgContainer [2025-02-05 10:39:16,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 10:39:16,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 10:39:16,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 10:39:16,236 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 10:39:16,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:39:16" (3/4) ... [2025-02-05 10:39:16,238 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-05 10:39:16,264 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 2. [2025-02-05 10:39:16,295 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 10:39:16,296 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 10:39:16,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 10:39:16,297 INFO L158 Benchmark]: Toolchain (without parser) took 604.05ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 73.2MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 10:39:16,297 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:39:16,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 119.51ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 103.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:39:16,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.60ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:39:16,298 INFO L158 Benchmark]: Boogie Preprocessor took 18.56ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.7MB in the end (delta: 736.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:39:16,299 INFO L158 Benchmark]: IcfgBuilder took 165.96ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 91.1MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 10:39:16,299 INFO L158 Benchmark]: TraceAbstraction took 216.23ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 78.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:39:16,299 INFO L158 Benchmark]: Witness Printer took 59.71ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 73.2MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:39:16,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 119.51ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 103.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 15.60ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.56ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.7MB in the end (delta: 736.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 165.96ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 91.1MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 216.23ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 78.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 59.71ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 73.2MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] unsigned int allOne = -1; [L8] int castToInt = allOne; [L9] long castToLong = allOne; [L10] long castToLong2 = castToInt; [L11] unsigned long castToULong = allOne; VAL [castToInt=-1, castToLong2=-1, castToLong=-1, castToULong=-1] [L13-L14] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL [L19] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-02-05 10:39:16,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE