./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version c4f91361
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-c4f9136-m
[2023-11-23 14:38:17,362 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-23 14:38:17,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-23 14:38:17,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 14:38:17,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 14:38:17,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 14:38:17,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 14:38:17,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 14:38:17,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-23 14:38:17,455 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-23 14:38:17,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 14:38:17,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 14:38:17,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-23 14:38:17,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-23 14:38:17,458 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-23 14:38:17,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 14:38:17,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-23 14:38:17,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-23 14:38:17,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-23 14:38:17,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 14:38:17,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 14:38:17,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 14:38:17,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-23 14:38:17,460 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-23 14:38:17,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 14:38:17,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-23 14:38:17,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 14:38:17,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-23 14:38:17,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 14:38:17,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 14:38:17,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 14:38:17,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 14:38:17,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-23 14:38:17,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-23 14:38:17,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 14:38:17,463 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-23 14:38:17,463 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 14:38:17,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-23 14:38:17,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 14:38:17,463 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/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab
[2023-11-23 14:38:17,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 14:38:17,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 14:38:17,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 14:38:17,713 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-23 14:38:17,719 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-23 14:38:17,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i
[2023-11-23 14:38:18,762 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-23 14:38:18,961 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-23 14:38:18,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i
[2023-11-23 14:38:18,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1940e676c/da3d86eff2bf4af88204c34b86f3dcfe/FLAG051a2a798
[2023-11-23 14:38:19,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1940e676c/da3d86eff2bf4af88204c34b86f3dcfe
[2023-11-23 14:38:19,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 14:38:19,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 14:38:19,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 14:38:19,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 14:38:19,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 14:38:19,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ba7d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19, skipping insertion in model container
[2023-11-23 14:38:19,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,062 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-23 14:38:19,258 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i[1081,1094]
[2023-11-23 14:38:19,277 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 14:38:19,311 INFO L202 MainTranslator]: Completed pre-run
[2023-11-23 14:38:19,350 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i[1081,1094]
[2023-11-23 14:38:19,365 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 14:38:19,392 INFO L206 MainTranslator]: Completed translation
[2023-11-23 14:38:19,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19 WrapperNode
[2023-11-23 14:38:19,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 14:38:19,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 14:38:19,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 14:38:19,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 14:38:19,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,420 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39
[2023-11-23 14:38:19,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 14:38:19,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 14:38:19,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 14:38:19,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 14:38:19,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,430 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,449 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].
[2023-11-23 14:38:19,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 14:38:19,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 14:38:19,467 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 14:38:19,467 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-23 14:38:19,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (1/1) ...
[2023-11-23 14:38:19,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 14:38:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-23 14:38:19,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-23 14:38:19,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-23 14:38:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 14:38:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-23 14:38:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 14:38:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 14:38:19,609 INFO L241 CfgBuilder]: Building ICFG
[2023-11-23 14:38:19,613 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 14:38:19,738 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-23 14:38:19,751 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 14:38:19,752 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-23 14:38:19,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:19 BoogieIcfgContainer
[2023-11-23 14:38:19,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 14:38:19,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 14:38:19,754 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 14:38:19,756 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-23 14:38:19,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:38:19" (1/3) ...
[2023-11-23 14:38:19,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15933972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:19, skipping insertion in model container
[2023-11-23 14:38:19,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:19" (2/3) ...
[2023-11-23 14:38:19,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15933972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:19, skipping insertion in model container
[2023-11-23 14:38:19,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:19" (3/3) ...
[2023-11-23 14:38:19,758 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_07-returns_true.i
[2023-11-23 14:38:19,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 14:38:19,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-23 14:38:19,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-23 14:38:19,814 INFO L357 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, mHoare=true, 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;@30cc8418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 14:38:19,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-23 14:38:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 11 states have internal predecessors, (15), 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)
[2023-11-23 14:38:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-23 14:38:19,822 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 14:38:19,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-23 14:38:19,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] ===
[2023-11-23 14:38:19,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 14:38:19,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1982187976, now seen corresponding path program 1 times
[2023-11-23 14:38:19,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 14:38:19,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558214965]
[2023-11-23 14:38:19,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 14:38:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 14:38:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 14:38:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 14:38:20,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-23 14:38:20,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558214965]
[2023-11-23 14:38:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558214965] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 14:38:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 14:38:20,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 14:38:20,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725403410]
[2023-11-23 14:38:20,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 14:38:20,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 14:38:20,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-23 14:38:20,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 14:38:20,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 14:38:20,065 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 11 states have internal predecessors, (15), 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 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:20,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 14:38:20,087 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions.
[2023-11-23 14:38:20,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-23 14:38:20,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-23 14:38:20,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 14:38:20,094 INFO L225 Difference]: With dead ends: 19
[2023-11-23 14:38:20,094 INFO L226 Difference]: Without dead ends: 10
[2023-11-23 14:38:20,096 INFO L412 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
[2023-11-23 14:38:20,102 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-23 14:38:20,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-23 14:38:20,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2023-11-23 14:38:20,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2023-11-23 14:38:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.125) internal successors, (9), 9 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)
[2023-11-23 14:38:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions.
[2023-11-23 14:38:20,140 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 6
[2023-11-23 14:38:20,140 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 14:38:20,140 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions.
[2023-11-23 14:38:20,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions.
[2023-11-23 14:38:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-23 14:38:20,141 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 14:38:20,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-23 14:38:20,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-23 14:38:20,142 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] ===
[2023-11-23 14:38:20,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 14:38:20,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1982247558, now seen corresponding path program 1 times
[2023-11-23 14:38:20,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 14:38:20,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348168158]
[2023-11-23 14:38:20,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 14:38:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 14:38:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 14:38:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 14:38:20,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-23 14:38:20,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348168158]
[2023-11-23 14:38:20,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348168158] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 14:38:20,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 14:38:20,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-23 14:38:20,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830884271]
[2023-11-23 14:38:20,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 14:38:20,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-23 14:38:20,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-23 14:38:20,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-23 14:38:20,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-23 14:38:20,324 INFO L87 Difference]: Start difference. First operand 10 states and 9 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:20,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 14:38:20,343 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions.
[2023-11-23 14:38:20,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-23 14:38:20,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-23 14:38:20,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 14:38:20,344 INFO L225 Difference]: With dead ends: 10
[2023-11-23 14:38:20,344 INFO L226 Difference]: Without dead ends: 8
[2023-11-23 14:38:20,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-23 14:38:20,345 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-23 14:38:20,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-23 14:38:20,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2023-11-23 14:38:20,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2023-11-23 14:38:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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)
[2023-11-23 14:38:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions.
[2023-11-23 14:38:20,348 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6
[2023-11-23 14:38:20,348 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 14:38:20,348 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions.
[2023-11-23 14:38:20,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions.
[2023-11-23 14:38:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-23 14:38:20,349 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 14:38:20,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-23 14:38:20,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-23 14:38:20,350 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] ===
[2023-11-23 14:38:20,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 14:38:20,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1320137142, now seen corresponding path program 1 times
[2023-11-23 14:38:20,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 14:38:20,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379171525]
[2023-11-23 14:38:20,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 14:38:20,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 14:38:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 14:38:20,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-23 14:38:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 14:38:20,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-23 14:38:20,378 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-23 14:38:20,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-23 14:38:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-23 14:38:20,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-23 14:38:20,383 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-23 14:38:20,385 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-23 14:38:20,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:38:20 BoogieIcfgContainer
[2023-11-23 14:38:20,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-23 14:38:20,401 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-23 14:38:20,401 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-23 14:38:20,401 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-23 14:38:20,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:19" (3/4) ...
[2023-11-23 14:38:20,403 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-23 14:38:20,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-23 14:38:20,406 INFO L158 Benchmark]: Toolchain (without parser) took 1392.27ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 102.9MB in the end (delta: 8.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB.
[2023-11-23 14:38:20,406 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 14:38:20,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 100.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-23 14:38:20,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.65ms. Allocated memory is still 148.9MB. Free memory was 100.7MB in the beginning and 99.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 14:38:20,410 INFO L158 Benchmark]: Boogie Preprocessor took 45.22ms. Allocated memory is still 148.9MB. Free memory was 99.4MB in the beginning and 97.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 14:38:20,410 INFO L158 Benchmark]: RCFGBuilder took 285.98ms. Allocated memory is still 148.9MB. Free memory was 97.4MB in the beginning and 86.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-23 14:38:20,410 INFO L158 Benchmark]: TraceAbstraction took 646.80ms. Allocated memory is still 148.9MB. Free memory was 86.5MB in the beginning and 103.7MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 14:38:20,410 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 148.9MB. Free memory was 103.7MB in the beginning and 102.9MB in the end (delta: 813.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 14:38:20,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 100.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.65ms. Allocated memory is still 148.9MB. Free memory was 100.7MB in the beginning and 99.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.22ms. Allocated memory is still 148.9MB. Free memory was 99.4MB in the beginning and 97.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 285.98ms. Allocated memory is still 148.9MB. Free memory was 97.4MB in the beginning and 86.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 646.80ms. Allocated memory is still 148.9MB. Free memory was 86.5MB in the beginning and 103.7MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.27ms. Allocated memory is still 148.9MB. Free memory was 103.7MB in the beginning and 102.9MB in the end (delta: 813.3kB). Peak memory consumption was 2.1MB. 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: 48]: Unable to prove that unknown kind of specification holds
Unable to prove that unknown kind of specification holds
Reason: overapproximation of longjmp at line 48.
Possible FailurePath:
[L44] jmp_buf my_jump_buffer;
[L53] volatile int count = 0;
[L54] int x = _setjmp (my_jump_buffer);
VAL [count=0, x=0]
[L55] COND FALSE !(x == -10)
VAL [count=0, x=0]
[L58] COND FALSE !(x > 0)
VAL [count=0, x=0]
[L60] CALL foo(count)
[L47] CALL __VERIFIER_assert(count >= 0 && count <= 5)
[L19] COND FALSE !(!(cond))
VAL [\old(cond)=1, cond=1]
[L47] RET __VERIFIER_assert(count >= 0 && count <= 5)
[L48] longjmp(my_jump_buffer, -10)
VAL [\old(count)=0, count=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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
[2023-11-23 14:38:20,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-c4f9136-m
[2023-11-23 14:38:22,285 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-23 14:38:22,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2023-11-23 14:38:22,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 14:38:22,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 14:38:22,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 14:38:22,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 14:38:22,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 14:38:22,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-23 14:38:22,356 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-23 14:38:22,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 14:38:22,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 14:38:22,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-23 14:38:22,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-23 14:38:22,358 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-23 14:38:22,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 14:38:22,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-23 14:38:22,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-23 14:38:22,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 14:38:22,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 14:38:22,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 14:38:22,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-23 14:38:22,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-23 14:38:22,360 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-23 14:38:22,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-23 14:38:22,361 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-23 14:38:22,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 14:38:22,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-23 14:38:22,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 14:38:22,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-23 14:38:22,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 14:38:22,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 14:38:22,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 14:38:22,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 14:38:22,364 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-23 14:38:22,364 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-23 14:38:22,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 14:38:22,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-23 14:38:22,366 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 14:38:22,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-23 14:38:22,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 14:38:22,366 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-23 14:38:22,366 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/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab
[2023-11-23 14:38:22,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 14:38:22,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 14:38:22,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 14:38:22,672 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-23 14:38:22,673 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-23 14:38:22,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i
[2023-11-23 14:38:23,768 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-23 14:38:23,946 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-23 14:38:23,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i
[2023-11-23 14:38:23,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26af517c4/02f1be635e51495db323a0810d0e7545/FLAGa7e9a1a29
[2023-11-23 14:38:23,972 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26af517c4/02f1be635e51495db323a0810d0e7545
[2023-11-23 14:38:23,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 14:38:23,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 14:38:23,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 14:38:23,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 14:38:23,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 14:38:23,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:23" (1/1) ...
[2023-11-23 14:38:23,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6003cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:23, skipping insertion in model container
[2023-11-23 14:38:23,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:23" (1/1) ...
[2023-11-23 14:38:24,002 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-23 14:38:24,118 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i[1081,1094]
[2023-11-23 14:38:24,138 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 14:38:24,154 INFO L202 MainTranslator]: Completed pre-run
[2023-11-23 14:38:24,166 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_07-returns_true.i[1081,1094]
[2023-11-23 14:38:24,179 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 14:38:24,191 INFO L206 MainTranslator]: Completed translation
[2023-11-23 14:38:24,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24 WrapperNode
[2023-11-23 14:38:24,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 14:38:24,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 14:38:24,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 14:38:24,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 14:38:24,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,222 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38
[2023-11-23 14:38:24,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 14:38:24,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 14:38:24,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 14:38:24,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 14:38:24,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,238 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,253 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].
[2023-11-23 14:38:24,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 14:38:24,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 14:38:24,272 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 14:38:24,273 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-23 14:38:24,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (1/1) ...
[2023-11-23 14:38:24,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 14:38:24,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-23 14:38:24,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-23 14:38:24,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-23 14:38:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 14:38:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-11-23 14:38:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 14:38:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 14:38:24,410 INFO L241 CfgBuilder]: Building ICFG
[2023-11-23 14:38:24,411 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 14:38:24,546 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-23 14:38:24,567 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 14:38:24,568 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-23 14:38:24,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:24 BoogieIcfgContainer
[2023-11-23 14:38:24,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 14:38:24,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 14:38:24,571 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 14:38:24,574 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-23 14:38:24,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:38:23" (1/3) ...
[2023-11-23 14:38:24,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef16af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:24, skipping insertion in model container
[2023-11-23 14:38:24,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:24" (2/3) ...
[2023-11-23 14:38:24,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef16af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:24, skipping insertion in model container
[2023-11-23 14:38:24,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:24" (3/3) ...
[2023-11-23 14:38:24,576 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_07-returns_true.i
[2023-11-23 14:38:24,590 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 14:38:24,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-23 14:38:24,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-23 14:38:24,635 INFO L357 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, mHoare=true, 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;@6cfdb0bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 14:38:24,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-23 14:38:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 11 states have internal predecessors, (15), 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)
[2023-11-23 14:38:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-23 14:38:24,643 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 14:38:24,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-23 14:38:24,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] ===
[2023-11-23 14:38:24,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 14:38:24,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1982187976, now seen corresponding path program 1 times
[2023-11-23 14:38:24,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-23 14:38:24,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719900224]
[2023-11-23 14:38:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 14:38:24,661 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
[2023-11-23 14:38:24,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-11-23 14:38:24,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/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)
[2023-11-23 14:38:24,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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
[2023-11-23 14:38:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 14:38:24,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-23 14:38:24,758 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-23 14:38:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 14:38:24,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-23 14:38:24,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-23 14:38:24,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719900224]
[2023-11-23 14:38:24,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719900224] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 14:38:24,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 14:38:24,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 14:38:24,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829018659]
[2023-11-23 14:38:24,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 14:38:24,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 14:38:24,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-23 14:38:24,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 14:38:24,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 14:38:24,831 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 11 states have internal predecessors, (15), 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 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:24,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 14:38:24,858 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions.
[2023-11-23 14:38:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-23 14:38:24,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-23 14:38:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 14:38:24,871 INFO L225 Difference]: With dead ends: 19
[2023-11-23 14:38:24,871 INFO L226 Difference]: Without dead ends: 10
[2023-11-23 14:38:24,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 14:38:24,877 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-23 14:38:24,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-23 14:38:24,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2023-11-23 14:38:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2023-11-23 14:38:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.125) internal successors, (9), 9 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)
[2023-11-23 14:38:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions.
[2023-11-23 14:38:24,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 6
[2023-11-23 14:38:24,902 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 14:38:24,903 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions.
[2023-11-23 14:38:24,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions.
[2023-11-23 14:38:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-23 14:38:24,904 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 14:38:24,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-23 14:38:24,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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)] Ended with exit code 0
[2023-11-23 14:38:25,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/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
[2023-11-23 14:38:25,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] ===
[2023-11-23 14:38:25,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 14:38:25,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1982247558, now seen corresponding path program 1 times
[2023-11-23 14:38:25,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-23 14:38:25,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575477357]
[2023-11-23 14:38:25,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 14:38:25,114 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
[2023-11-23 14:38:25,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-11-23 14:38:25,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/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)
[2023-11-23 14:38:25,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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
[2023-11-23 14:38:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 14:38:25,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-23 14:38:25,161 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-23 14:38:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 14:38:25,207 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-23 14:38:25,207 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-23 14:38:25,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575477357]
[2023-11-23 14:38:25,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575477357] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 14:38:25,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 14:38:25,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-23 14:38:25,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478200698]
[2023-11-23 14:38:25,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 14:38:25,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-23 14:38:25,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-23 14:38:25,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-23 14:38:25,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-23 14:38:25,214 INFO L87 Difference]: Start difference. First operand 10 states and 9 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:25,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 14:38:25,240 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions.
[2023-11-23 14:38:25,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-23 14:38:25,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-23 14:38:25,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 14:38:25,242 INFO L225 Difference]: With dead ends: 10
[2023-11-23 14:38:25,242 INFO L226 Difference]: Without dead ends: 8
[2023-11-23 14:38:25,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-23 14:38:25,243 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-23 14:38:25,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-23 14:38:25,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2023-11-23 14:38:25,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2023-11-23 14:38:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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)
[2023-11-23 14:38:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions.
[2023-11-23 14:38:25,247 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6
[2023-11-23 14:38:25,248 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 14:38:25,248 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions.
[2023-11-23 14:38:25,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-23 14:38:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions.
[2023-11-23 14:38:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-23 14:38:25,249 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 14:38:25,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-23 14:38:25,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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
[2023-11-23 14:38:25,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/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
[2023-11-23 14:38:25,452 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] ===
[2023-11-23 14:38:25,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 14:38:25,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1320137142, now seen corresponding path program 1 times
[2023-11-23 14:38:25,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-23 14:38:25,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840269266]
[2023-11-23 14:38:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 14:38:25,454 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
[2023-11-23 14:38:25,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-11-23 14:38:25,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/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)
[2023-11-23 14:38:25,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 (4)] Waiting until timeout for monitored process
[2023-11-23 14:38:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 14:38:25,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-23 14:38:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 14:38:25,540 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-11-23 14:38:25,540 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-23 14:38:25,541 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-23 14:38:25,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-23 14:38:25,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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 (4)] Forceful destruction successful, exit code 0
[2023-11-23 14:38:25,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/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
[2023-11-23 14:38:25,746 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-23 14:38:25,749 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-23 14:38:25,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:38:25 BoogieIcfgContainer
[2023-11-23 14:38:25,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-23 14:38:25,760 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-23 14:38:25,760 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-23 14:38:25,761 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-23 14:38:25,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:24" (3/4) ...
[2023-11-23 14:38:25,762 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-23 14:38:25,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-23 14:38:25,764 INFO L158 Benchmark]: Toolchain (without parser) took 1788.43ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 49.8MB in the beginning and 45.6MB in the end (delta: 4.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB.
[2023-11-23 14:38:25,764 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 14:38:25,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.15ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 38.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-23 14:38:25,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.19ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 36.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 14:38:25,765 INFO L158 Benchmark]: Boogie Preprocessor took 48.37ms. Allocated memory is still 73.4MB. Free memory was 36.8MB in the beginning and 35.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 14:38:25,765 INFO L158 Benchmark]: RCFGBuilder took 297.04ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 45.4MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-23 14:38:25,766 INFO L158 Benchmark]: TraceAbstraction took 1188.63ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 44.8MB in the beginning and 46.1MB in the end (delta: -1.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
[2023-11-23 14:38:25,766 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 45.6MB in the end (delta: 495.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 14:38:25,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 214.15ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 38.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 30.19ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 36.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 48.37ms. Allocated memory is still 73.4MB. Free memory was 36.8MB in the beginning and 35.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 297.04ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 45.4MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1188.63ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 44.8MB in the beginning and 46.1MB in the end (delta: -1.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
* Witness Printer took 3.08ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 45.6MB in the end (delta: 495.2kB). 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: 48]: Unable to prove that unknown kind of specification holds
Unable to prove that unknown kind of specification holds
Reason: overapproximation of longjmp at line 48.
Possible FailurePath:
[L44] jmp_buf my_jump_buffer;
[L53] volatile int count = 0;
[L54] int x = _setjmp (my_jump_buffer);
VAL [count=0, x=0]
[L55] COND FALSE !(x == -10)
VAL [count=0, x=0]
[L58] COND FALSE !(x > 0)
VAL [count=0, x=0]
[L60] CALL foo(count)
[L47] CALL __VERIFIER_assert(count >= 0 && count <= 5)
[L19] COND FALSE !(!(cond))
VAL [\old(cond)=1, cond=1]
[L47] RET __VERIFIER_assert(count >= 0 && count <= 5)
[L48] longjmp(my_jump_buffer, -10)
VAL [\old(count)=0, count=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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 4 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
[2023-11-23 14:38:25,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample