./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 64bit --witnessprinter.graph.data.programhash b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:33:06,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:33:07,062 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-10 22:33:07,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:33:07,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:33:07,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:33:07,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:33:07,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:33:07,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:33:07,105 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:33:07,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:33:07,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:33:07,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:33:07,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:33:07,110 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:33:07,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:33:07,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:33:07,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-10 22:33:07,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:33:07,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:33:07,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:33:07,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:33:07,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:33:07,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:33:07,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:33:07,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:33:07,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:33:07,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:33:07,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:33:07,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:07,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:33:07,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:33:07,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:33:07,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-10 22:33:07,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-10 22:33:07,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:33:07,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:33:07,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:33:07,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:33:07,128 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2024-10-10 22:33:07,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:33:07,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:33:07,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:33:07,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:33:07,408 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:33:07,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2024-10-10 22:33:08,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:33:09,048 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:33:09,049 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2024-10-10 22:33:09,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4c8507c87/9fe673674cf046c1913e4f58d9702b1a/FLAG729dbc45b [2024-10-10 22:33:09,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4c8507c87/9fe673674cf046c1913e4f58d9702b1a [2024-10-10 22:33:09,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:33:09,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:33:09,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:09,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:33:09,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:33:09,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4664ee32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09, skipping insertion in model container [2024-10-10 22:33:09,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:33:09,349 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-10-10 22:33:09,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:09,538 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:33:09,551 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-10-10 22:33:09,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:09,643 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:33:09,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09 WrapperNode [2024-10-10 22:33:09,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:09,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:09,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:33:09,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:33:09,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,697 INFO L138 Inliner]: procedures = 187, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2024-10-10 22:33:09,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:09,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:33:09,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:33:09,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:33:09,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,731 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]. [2024-10-10 22:33:09,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:33:09,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:33:09,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:33:09,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:33:09,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (1/1) ... [2024-10-10 22:33:09,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:09,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:33:09,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:33:09,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:33:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:33:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-10 22:33:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:33:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:33:09,918 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:33:09,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:33:10,034 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-10 22:33:10,035 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:33:10,064 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:33:10,065 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-10 22:33:10,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:10 BoogieIcfgContainer [2024-10-10 22:33:10,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:33:10,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:33:10,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:33:10,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:33:10,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:33:09" (1/3) ... [2024-10-10 22:33:10,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c2e035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:10, skipping insertion in model container [2024-10-10 22:33:10,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:09" (2/3) ... [2024-10-10 22:33:10,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c2e035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:10, skipping insertion in model container [2024-10-10 22:33:10,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:10" (3/3) ... [2024-10-10 22:33:10,077 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2024-10-10 22:33:10,093 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:33:10,094 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-10 22:33:10,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:33:10,160 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;@55efb085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:33:10,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-10 22:33:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-10 22:33:10,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:10,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-10 22:33:10,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:10,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash 53978, now seen corresponding path program 1 times [2024-10-10 22:33:10,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:33:10,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732781034] [2024-10-10 22:33:10,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:10,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:33:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:33:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:33:10,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:33:10,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732781034] [2024-10-10 22:33:10,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732781034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:33:10,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:33:10,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:33:10,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94409463] [2024-10-10 22:33:10,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:33:10,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-10 22:33:10,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:33:10,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-10 22:33:10,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:10,466 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:10,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:33:10,488 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2024-10-10 22:33:10,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-10 22:33:10,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-10 22:33:10,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:33:10,500 INFO L225 Difference]: With dead ends: 11 [2024-10-10 22:33:10,500 INFO L226 Difference]: Without dead ends: 5 [2024-10-10 22:33:10,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:10,509 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:33:10,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:33:10,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2024-10-10 22:33:10,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2024-10-10 22:33:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2024-10-10 22:33:10,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2024-10-10 22:33:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:33:10,537 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2024-10-10 22:33:10,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-10-10 22:33:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-10 22:33:10,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:10,537 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-10 22:33:10,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-10 22:33:10,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:10,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:10,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1678294, now seen corresponding path program 1 times [2024-10-10 22:33:10,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:33:10,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347541446] [2024-10-10 22:33:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:10,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:33:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:10,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-10 22:33:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:10,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-10 22:33:10,590 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-10 22:33:10,593 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-10 22:33:10,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-10 22:33:10,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-10 22:33:10,599 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-10 22:33:10,615 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-10 22:33:10,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 10:33:10 BoogieIcfgContainer [2024-10-10 22:33:10,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-10 22:33:10,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-10 22:33:10,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-10 22:33:10,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-10 22:33:10,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:10" (3/4) ... [2024-10-10 22:33:10,622 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-10 22:33:10,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-10 22:33:10,624 INFO L158 Benchmark]: Toolchain (without parser) took 1538.24ms. Allocated memory is still 184.5MB. Free memory was 127.0MB in the beginning and 59.0MB in the end (delta: 67.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:10,624 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:10,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.32ms. Allocated memory is still 184.5MB. Free memory was 127.0MB in the beginning and 103.1MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:10,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.03ms. Allocated memory is still 184.5MB. Free memory was 103.1MB in the beginning and 101.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:10,626 INFO L158 Benchmark]: Boogie Preprocessor took 52.86ms. Allocated memory is still 184.5MB. Free memory was 101.3MB in the beginning and 99.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:10,626 INFO L158 Benchmark]: RCFGBuilder took 314.45ms. Allocated memory is still 184.5MB. Free memory was 99.3MB in the beginning and 88.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-10 22:33:10,627 INFO L158 Benchmark]: TraceAbstraction took 548.55ms. Allocated memory is still 184.5MB. Free memory was 87.1MB in the beginning and 59.5MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-10 22:33:10,627 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 184.5MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:10,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.32ms. Allocated memory is still 184.5MB. Free memory was 127.0MB in the beginning and 103.1MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.03ms. Allocated memory is still 184.5MB. Free memory was 103.1MB in the beginning and 101.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.86ms. Allocated memory is still 184.5MB. Free memory was 101.3MB in the beginning and 99.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.45ms. Allocated memory is still 184.5MB. Free memory was 99.3MB in the beginning and 88.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 548.55ms. Allocated memory is still 184.5MB. Free memory was 87.1MB in the beginning and 59.5MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 184.5MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 726]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 726. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; [L729] int val; [L730] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L730] RET __VERIFIER_assert(global == 0) [L732] CALL fun() [L726] longjmp(env_buffer, 2) VAL [global=0] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-10 22:33:10,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 64bit --witnessprinter.graph.data.programhash b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:33:12,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:33:12,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-10 22:33:13,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:33:13,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:33:13,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:33:13,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:33:13,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:33:13,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:33:13,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:33:13,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:33:13,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:33:13,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:33:13,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:33:13,046 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:33:13,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:33:13,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:33:13,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:33:13,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:33:13,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:33:13,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:33:13,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-10 22:33:13,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-10 22:33:13,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:33:13,049 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-10 22:33:13,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:33:13,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:33:13,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:33:13,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:33:13,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:33:13,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:33:13,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:13,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:33:13,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:33:13,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:33:13,052 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-10 22:33:13,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-10 22:33:13,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:33:13,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:33:13,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:33:13,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:33:13,055 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-10 22:33:13,055 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2024-10-10 22:33:13,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:33:13,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:33:13,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:33:13,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:33:13,426 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:33:13,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2024-10-10 22:33:14,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:33:15,215 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:33:15,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2024-10-10 22:33:15,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7b71763b0/175ffb9cb3b042a4adca196cf6846cbd/FLAG249f7578d [2024-10-10 22:33:15,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7b71763b0/175ffb9cb3b042a4adca196cf6846cbd [2024-10-10 22:33:15,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:33:15,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:33:15,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:15,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:33:15,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:33:15,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:15" (1/1) ... [2024-10-10 22:33:15,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bdaa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:15, skipping insertion in model container [2024-10-10 22:33:15,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:15" (1/1) ... [2024-10-10 22:33:15,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:33:15,777 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-10-10 22:33:15,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:15,994 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:33:16,008 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-10-10 22:33:16,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:16,095 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:33:16,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16 WrapperNode [2024-10-10 22:33:16,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:16,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:16,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:33:16,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:33:16,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,151 INFO L138 Inliner]: procedures = 188, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2024-10-10 22:33:16,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:16,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:33:16,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:33:16,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:33:16,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,169 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,187 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]. [2024-10-10 22:33:16,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:33:16,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:33:16,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:33:16,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:33:16,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (1/1) ... [2024-10-10 22:33:16,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:16,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:33:16,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:33:16,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:33:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:33:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-10 22:33:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:33:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:33:16,398 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:33:16,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:33:16,541 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-10 22:33:16,542 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:33:16,582 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:33:16,582 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-10 22:33:16,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:16 BoogieIcfgContainer [2024-10-10 22:33:16,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:33:16,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:33:16,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:33:16,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:33:16,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:33:15" (1/3) ... [2024-10-10 22:33:16,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c498e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:16, skipping insertion in model container [2024-10-10 22:33:16,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:16" (2/3) ... [2024-10-10 22:33:16,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c498e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:16, skipping insertion in model container [2024-10-10 22:33:16,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:16" (3/3) ... [2024-10-10 22:33:16,592 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2024-10-10 22:33:16,610 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:33:16,611 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-10 22:33:16,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:33:16,683 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;@64cc92ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:33:16,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-10 22:33:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-10 22:33:16,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:16,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-10 22:33:16,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:16,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:16,703 INFO L85 PathProgramCache]: Analyzing trace with hash 53978, now seen corresponding path program 1 times [2024-10-10 22:33:16,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-10 22:33:16,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856142752] [2024-10-10 22:33:16,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:16,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:33:16,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-10 22:33:16,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-10 22:33:16,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-10 22:33:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:33:16,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-10 22:33:16,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:33:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:33:16,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-10 22:33:16,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-10 22:33:16,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856142752] [2024-10-10 22:33:16,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856142752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:33:16,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:33:16,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:33:16,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054386880] [2024-10-10 22:33:16,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:33:16,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-10 22:33:16,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-10 22:33:16,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-10 22:33:16,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:16,920 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:16,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:33:16,944 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2024-10-10 22:33:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-10 22:33:16,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-10 22:33:16,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:33:16,954 INFO L225 Difference]: With dead ends: 11 [2024-10-10 22:33:16,955 INFO L226 Difference]: Without dead ends: 5 [2024-10-10 22:33:16,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:16,960 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:33:16,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:33:16,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2024-10-10 22:33:16,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2024-10-10 22:33:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2024-10-10 22:33:16,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2024-10-10 22:33:16,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:33:16,988 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2024-10-10 22:33:16,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-10-10 22:33:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-10 22:33:16,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:16,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-10 22:33:16,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-10 22:33:17,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:33:17,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:17,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:17,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1678294, now seen corresponding path program 1 times [2024-10-10 22:33:17,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-10 22:33:17,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033642500] [2024-10-10 22:33:17,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:17,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:33:17,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-10 22:33:17,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-10 22:33:17,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-10 22:33:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:17,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-10 22:33:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:17,363 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-10 22:33:17,364 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-10 22:33:17,370 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-10 22:33:17,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-10 22:33:17,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-10 22:33:17,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:33:17,584 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-10 22:33:17,597 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-10 22:33:17,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 10:33:17 BoogieIcfgContainer [2024-10-10 22:33:17,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-10 22:33:17,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-10 22:33:17,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-10 22:33:17,602 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-10 22:33:17,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:16" (3/4) ... [2024-10-10 22:33:17,606 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-10 22:33:17,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-10 22:33:17,609 INFO L158 Benchmark]: Toolchain (without parser) took 2107.68ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 31.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-10-10 22:33:17,609 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:17,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.47ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-10 22:33:17,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.39ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:17,611 INFO L158 Benchmark]: Boogie Preprocessor took 60.32ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 42.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:17,611 INFO L158 Benchmark]: RCFGBuilder took 370.50ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 58.9MB in the end (delta: -16.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-10-10 22:33:17,612 INFO L158 Benchmark]: TraceAbstraction took 1016.26ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 32.2MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-10 22:33:17,612 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.6MB in the end (delta: 588.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:17,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.47ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.39ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.32ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 42.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.50ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 58.9MB in the end (delta: -16.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1016.26ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 32.2MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.6MB in the end (delta: 588.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 726]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 726. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; [L729] int val; [L730] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L730] RET __VERIFIER_assert(global == 0) [L732] CALL fun() [L726] longjmp(env_buffer, 2) VAL [global=0] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-10 22:33:17,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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: UNKNOWN: Overapproximated counterexample