./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_true.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 6ae2ee47
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_04-counting-local_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 fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-6ae2ee4-m
[2023-11-22 18:49:27,594 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-22 18:49:27,667 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-22 18:49:27,672 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-22 18:49:27,673 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-22 18:49:27,708 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-22 18:49:27,709 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-22 18:49:27,710 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-22 18:49:27,710 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-22 18:49:27,714 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-22 18:49:27,714 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-22 18:49:27,714 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-22 18:49:27,716 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-22 18:49:27,717 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-22 18:49:27,717 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-22 18:49:27,717 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-22 18:49:27,718 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-22 18:49:27,718 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-22 18:49:27,718 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-22 18:49:27,718 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-22 18:49:27,719 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-22 18:49:27,719 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-22 18:49:27,720 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-22 18:49:27,720 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-22 18:49:27,721 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-22 18:49:27,721 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-22 18:49:27,721 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-22 18:49:27,721 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-22 18:49:27,722 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-22 18:49:27,722 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-22 18:49:27,723 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-22 18:49:27,723 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-22 18:49:27,723 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-22 18:49:27,724 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-22 18:49:27,724 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-22 18:49:27,724 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-22 18:49:27,724 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-22 18:49:27,725 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-22 18:49:27,725 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-22 18:49:27,725 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 -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8
[2023-11-22 18:49:28,034 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-22 18:49:28,064 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-22 18:49:28,066 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-22 18:49:28,068 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-22 18:49:28,069 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-22 18:49:28,070 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_true.i
[2023-11-22 18:49:29,295 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-22 18:49:29,471 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-22 18:49:29,471 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_true.i
[2023-11-22 18:49:29,479 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11095285/354147c9a572434b9162104ec1dfc98b/FLAG45d702cc8
[2023-11-22 18:49:29,499 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11095285/354147c9a572434b9162104ec1dfc98b
[2023-11-22 18:49:29,503 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-22 18:49:29,505 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-22 18:49:29,508 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-22 18:49:29,508 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-22 18:49:29,513 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-22 18:49:29,514 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,515 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4e3b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29, skipping insertion in model container
[2023-11-22 18:49:29,515 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,540 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-22 18:49:29,682 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_04-counting-local_true.i[1088,1101]
[2023-11-22 18:49:29,698 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-22 18:49:29,717 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-22 18:49:29,727 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_04-counting-local_true.i[1088,1101]
[2023-11-22 18:49:29,732 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-22 18:49:29,748 INFO  L206         MainTranslator]: Completed translation
[2023-11-22 18:49:29,748 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29 WrapperNode
[2023-11-22 18:49:29,749 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-22 18:49:29,750 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-22 18:49:29,750 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-22 18:49:29,754 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-22 18:49:29,760 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,766 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,779 INFO  L138                Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30
[2023-11-22 18:49:29,780 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-22 18:49:29,781 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-22 18:49:29,781 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-22 18:49:29,781 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-22 18:49:29,788 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,788 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,790 INFO  L184        PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,796 INFO  L189           HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2]
[2023-11-22 18:49:29,797 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,797 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,799 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,803 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,804 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,805 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,806 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-22 18:49:29,807 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-22 18:49:29,807 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-22 18:49:29,808 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-22 18:49:29,808 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (1/1) ...
[2023-11-22 18:49:29,816 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-22 18:49:29,828 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-22 18:49:29,846 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)
[2023-11-22 18:49:29,848 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
[2023-11-22 18:49:29,895 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-22 18:49:29,896 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-22 18:49:29,896 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-22 18:49:29,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-22 18:49:29,896 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-22 18:49:29,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-22 18:49:29,951 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-22 18:49:29,953 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-22 18:49:30,120 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-22 18:49:30,144 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-22 18:49:30,144 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-22 18:49:30,145 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:49:30 BoogieIcfgContainer
[2023-11-22 18:49:30,145 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-22 18:49:30,148 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-22 18:49:30,148 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-22 18:49:30,151 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-22 18:49:30,151 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:49:29" (1/3) ...
[2023-11-22 18:49:30,152 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1940dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:49:30, skipping insertion in model container
[2023-11-22 18:49:30,152 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:29" (2/3) ...
[2023-11-22 18:49:30,153 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1940dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:49:30, skipping insertion in model container
[2023-11-22 18:49:30,153 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:49:30" (3/3) ...
[2023-11-22 18:49:30,154 INFO  L112   eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i
[2023-11-22 18:49:30,167 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-22 18:49:30,168 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-22 18:49:30,204 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-22 18:49:30,210 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;@5ce06710, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-22 18:49:30,211 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-22 18:49:30,214 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-22 18:49:30,220 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-22 18:49:30,220 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 18:49:30,221 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-22 18:49:30,221 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 18:49:30,226 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 18:49:30,226 INFO  L85        PathProgramCache]: Analyzing trace with hash 1992206689, now seen corresponding path program 1 times
[2023-11-22 18:49:30,234 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 18:49:30,235 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144152260]
[2023-11-22 18:49:30,235 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 18:49:30,235 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 18:49:30,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 18:49:30,451 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 18:49:30,452 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 18:49:30,452 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144152260]
[2023-11-22 18:49:30,453 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144152260] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 18:49:30,453 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 18:49:30,454 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 18:49:30,455 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762180799]
[2023-11-22 18:49:30,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 18:49:30,459 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 18:49:30,460 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 18:49:30,494 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 18:49:30,495 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 18:49:30,497 INFO  L87              Difference]: Start difference. First operand  has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:30,520 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 18:49:30,520 INFO  L93              Difference]: Finished difference Result 22 states and 27 transitions.
[2023-11-22 18:49:30,524 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 18:49:30,526 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-22 18:49:30,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 18:49:30,535 INFO  L225             Difference]: With dead ends: 22
[2023-11-22 18:49:30,536 INFO  L226             Difference]: Without dead ends: 11
[2023-11-22 18:49:30,538 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 18:49:30,541 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-22 18:49:30,542 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-22 18:49:30,557 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2023-11-22 18:49:30,570 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2023-11-22 18:49:30,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-22 18:49:30,571 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions.
[2023-11-22 18:49:30,572 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 6
[2023-11-22 18:49:30,572 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 18:49:30,573 INFO  L495      AbstractCegarLoop]: Abstraction has 11 states and 10 transitions.
[2023-11-22 18:49:30,573 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:30,573 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions.
[2023-11-22 18:49:30,573 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-22 18:49:30,574 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 18:49:30,574 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-22 18:49:30,574 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-22 18:49:30,574 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 18:49:30,575 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 18:49:30,575 INFO  L85        PathProgramCache]: Analyzing trace with hash 1981064855, now seen corresponding path program 1 times
[2023-11-22 18:49:30,575 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 18:49:30,575 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740870054]
[2023-11-22 18:49:30,576 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 18:49:30,576 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 18:49:30,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 18:49:30,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 18:49:30,725 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 18:49:30,725 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740870054]
[2023-11-22 18:49:30,725 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740870054] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 18:49:30,726 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 18:49:30,726 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-22 18:49:30,726 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743091381]
[2023-11-22 18:49:30,726 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 18:49:30,728 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-22 18:49:30,728 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 18:49:30,728 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-22 18:49:30,729 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-22 18:49:30,729 INFO  L87              Difference]: Start difference. First operand 11 states and 10 transitions. Second operand  has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:30,760 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 18:49:30,760 INFO  L93              Difference]: Finished difference Result 11 states and 10 transitions.
[2023-11-22 18:49:30,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-22 18:49:30,761 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-22 18:49:30,762 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 18:49:30,762 INFO  L225             Difference]: With dead ends: 11
[2023-11-22 18:49:30,762 INFO  L226             Difference]: Without dead ends: 9
[2023-11-22 18:49:30,763 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-11-22 18:49:30,764 INFO  L413           NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-22 18:49:30,764 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-22 18:49:30,765 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-22 18:49:30,767 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2023-11-22 18:49:30,767 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-22 18:49:30,768 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions.
[2023-11-22 18:49:30,768 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6
[2023-11-22 18:49:30,768 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 18:49:30,768 INFO  L495      AbstractCegarLoop]: Abstraction has 9 states and 8 transitions.
[2023-11-22 18:49:30,769 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:30,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2023-11-22 18:49:30,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-22 18:49:30,769 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 18:49:30,769 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 18:49:30,770 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-22 18:49:30,770 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 18:49:30,771 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 18:49:30,771 INFO  L85        PathProgramCache]: Analyzing trace with hash 1132968382, now seen corresponding path program 1 times
[2023-11-22 18:49:30,771 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 18:49:30,771 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637221482]
[2023-11-22 18:49:30,771 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 18:49:30,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 18:49:30,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-22 18:49:30,787 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-22 18:49:30,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-22 18:49:30,811 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-22 18:49:30,811 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-22 18:49:30,812 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-22 18:49:30,814 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-22 18:49:30,814 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-22 18:49:30,818 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-22 18:49:30,821 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-22 18:49:30,836 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 06:49:30 BoogieIcfgContainer
[2023-11-22 18:49:30,837 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-22 18:49:30,837 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-22 18:49:30,837 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-22 18:49:30,838 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-22 18:49:30,838 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:49:30" (3/4) ...
[2023-11-22 18:49:30,840 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-22 18:49:30,841 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-22 18:49:30,842 INFO  L158              Benchmark]: Toolchain (without parser) took 1337.20ms. Allocated memory is still 161.5MB. Free memory was 122.5MB in the beginning and 86.8MB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2023-11-22 18:49:30,842 INFO  L158              Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 18:49:30,843 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 241.29ms. Allocated memory is still 161.5MB. Free memory was 122.5MB in the beginning and 111.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-22 18:49:30,843 INFO  L158              Benchmark]: Boogie Procedure Inliner took 30.12ms. Allocated memory is still 161.5MB. Free memory was 111.9MB in the beginning and 110.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-22 18:49:30,844 INFO  L158              Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 108.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-22 18:49:30,844 INFO  L158              Benchmark]: RCFGBuilder took 337.86ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 129.4MB in the end (delta: -20.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-22 18:49:30,845 INFO  L158              Benchmark]: TraceAbstraction took 688.73ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 86.8MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2023-11-22 18:49:30,845 INFO  L158              Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 161.5MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 18:49:30,847 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 241.29ms. Allocated memory is still 161.5MB. Free memory was 122.5MB in the beginning and 111.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 30.12ms. Allocated memory is still 161.5MB. Free memory was 111.9MB in the beginning and 110.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 25.95ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 108.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 337.86ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 129.4MB in the end (delta: -20.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 688.73ms. Allocated memory is still 161.5MB. Free memory was 128.5MB in the beginning and 86.8MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
 * Witness Printer took 4.13ms. Allocated memory is still 161.5MB. Free memory is still 86.8MB. 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;
[L52]              volatile int count = 0;
       VAL         [count=0]
[L54]  COND TRUE   count < 5
[L55]              count++
[L56]  CALL        foo(count)
[L47]  CALL        __VERIFIER_assert(count >= 0 && count <= 5)
       VAL         [\old(cond)=1]
[L19]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1]
[L47]  RET         __VERIFIER_assert(count >= 0 && count <= 5)
       VAL         [\old(count)=1, count=1]
[L48]              longjmp(my_jump_buffer, 1)
       VAL         [\old(count)=1, count=1]

  - 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 2 procedures, 14 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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
[2023-11-22 18:49:30,868 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_04-counting-local_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 fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-6ae2ee4-m
[2023-11-22 18:49:33,117 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-22 18:49:33,186 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2023-11-22 18:49:33,194 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-22 18:49:33,195 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-22 18:49:33,242 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-22 18:49:33,242 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-22 18:49:33,243 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-22 18:49:33,244 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-22 18:49:33,247 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-22 18:49:33,248 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-22 18:49:33,248 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-22 18:49:33,248 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-22 18:49:33,250 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-22 18:49:33,250 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-22 18:49:33,250 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-22 18:49:33,251 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-22 18:49:33,251 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-22 18:49:33,251 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-22 18:49:33,251 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-22 18:49:33,252 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-22 18:49:33,253 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-22 18:49:33,253 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-11-22 18:49:33,253 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-22 18:49:33,253 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-22 18:49:33,254 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-22 18:49:33,254 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-22 18:49:33,255 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-22 18:49:33,255 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-22 18:49:33,255 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-22 18:49:33,256 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-22 18:49:33,257 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-22 18:49:33,257 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-22 18:49:33,257 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-22 18:49:33,257 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-11-22 18:49:33,257 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2023-11-22 18:49:33,258 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-22 18:49:33,258 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-22 18:49:33,259 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-22 18:49:33,259 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-22 18:49:33,259 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-22 18:49:33,260 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-11-22 18:49:33,260 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 -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8
[2023-11-22 18:49:33,599 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-22 18:49:33,622 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-22 18:49:33,625 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-22 18:49:33,626 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-22 18:49:33,626 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-22 18:49:33,628 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_true.i
[2023-11-22 18:49:34,879 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-22 18:49:35,073 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-22 18:49:35,074 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_true.i
[2023-11-22 18:49:35,090 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544f9c24e/b9914fa0b8404850a3edfaba4236cd84/FLAG5c295f95b
[2023-11-22 18:49:35,109 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544f9c24e/b9914fa0b8404850a3edfaba4236cd84
[2023-11-22 18:49:35,112 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-22 18:49:35,113 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-22 18:49:35,116 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-22 18:49:35,116 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-22 18:49:35,121 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-22 18:49:35,122 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,123 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4145815d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35, skipping insertion in model container
[2023-11-22 18:49:35,123 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,147 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-22 18:49:35,305 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_04-counting-local_true.i[1088,1101]
[2023-11-22 18:49:35,330 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-22 18:49:35,353 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-22 18:49:35,374 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_04-counting-local_true.i[1088,1101]
[2023-11-22 18:49:35,391 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-22 18:49:35,407 INFO  L206         MainTranslator]: Completed translation
[2023-11-22 18:49:35,407 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35 WrapperNode
[2023-11-22 18:49:35,408 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-22 18:49:35,419 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-22 18:49:35,419 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-22 18:49:35,419 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-22 18:49:35,426 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,437 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,454 INFO  L138                Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30
[2023-11-22 18:49:35,455 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-22 18:49:35,455 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-22 18:49:35,455 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-22 18:49:35,455 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-22 18:49:35,464 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,465 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,477 INFO  L184        PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,487 INFO  L189           HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2]
[2023-11-22 18:49:35,487 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,487 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,495 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,499 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,503 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,505 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,507 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-22 18:49:35,509 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-22 18:49:35,509 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-22 18:49:35,510 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-22 18:49:35,511 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (1/1) ...
[2023-11-22 18:49:35,516 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-22 18:49:35,528 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-22 18:49:35,539 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)
[2023-11-22 18:49:35,541 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
[2023-11-22 18:49:35,591 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-22 18:49:35,592 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-11-22 18:49:35,592 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-22 18:49:35,592 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-22 18:49:35,592 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-22 18:49:35,593 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-22 18:49:35,650 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-22 18:49:35,652 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-22 18:49:35,759 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-22 18:49:35,779 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-22 18:49:35,780 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-22 18:49:35,780 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:49:35 BoogieIcfgContainer
[2023-11-22 18:49:35,780 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-22 18:49:35,782 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-22 18:49:35,782 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-22 18:49:35,785 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-22 18:49:35,785 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:49:35" (1/3) ...
[2023-11-22 18:49:35,786 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1463b81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:49:35, skipping insertion in model container
[2023-11-22 18:49:35,786 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:49:35" (2/3) ...
[2023-11-22 18:49:35,786 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1463b81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:49:35, skipping insertion in model container
[2023-11-22 18:49:35,787 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:49:35" (3/3) ...
[2023-11-22 18:49:35,788 INFO  L112   eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i
[2023-11-22 18:49:35,804 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-22 18:49:35,804 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-22 18:49:35,845 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-22 18:49:35,851 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;@6c2b8193, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-22 18:49:35,852 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-22 18:49:35,855 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-22 18:49:35,864 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-22 18:49:35,865 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 18:49:35,865 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-22 18:49:35,866 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 18:49:35,873 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 18:49:35,873 INFO  L85        PathProgramCache]: Analyzing trace with hash 1992206689, now seen corresponding path program 1 times
[2023-11-22 18:49:35,885 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-22 18:49:35,886 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141266519]
[2023-11-22 18:49:35,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 18:49:35,886 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
[2023-11-22 18:49:35,887 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-11-22 18:49:35,892 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)
[2023-11-22 18:49:35,923 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
[2023-11-22 18:49:35,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 18:49:35,995 INFO  L262         TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-22 18:49:35,999 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-22 18:49:36,047 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 18:49:36,049 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-22 18:49:36,050 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-22 18:49:36,050 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141266519]
[2023-11-22 18:49:36,051 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141266519] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 18:49:36,051 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 18:49:36,051 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 18:49:36,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632175686]
[2023-11-22 18:49:36,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 18:49:36,060 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 18:49:36,060 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-22 18:49:36,088 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 18:49:36,089 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 18:49:36,090 INFO  L87              Difference]: Start difference. First operand  has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:36,133 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 18:49:36,133 INFO  L93              Difference]: Finished difference Result 22 states and 27 transitions.
[2023-11-22 18:49:36,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 18:49:36,136 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-22 18:49:36,137 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 18:49:36,142 INFO  L225             Difference]: With dead ends: 22
[2023-11-22 18:49:36,142 INFO  L226             Difference]: Without dead ends: 11
[2023-11-22 18:49:36,145 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
[2023-11-22 18:49:36,148 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-22 18:49:36,150 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-22 18:49:36,165 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2023-11-22 18:49:36,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2023-11-22 18:49:36,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-22 18:49:36,179 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions.
[2023-11-22 18:49:36,180 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 6
[2023-11-22 18:49:36,181 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 18:49:36,181 INFO  L495      AbstractCegarLoop]: Abstraction has 11 states and 10 transitions.
[2023-11-22 18:49:36,182 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:36,182 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions.
[2023-11-22 18:49:36,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-22 18:49:36,183 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 18:49:36,183 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-22 18:49:36,190 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 (2)] Forceful destruction successful, exit code 0
[2023-11-22 18:49:36,385 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
[2023-11-22 18:49:36,386 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 18:49:36,386 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 18:49:36,387 INFO  L85        PathProgramCache]: Analyzing trace with hash 1981064855, now seen corresponding path program 1 times
[2023-11-22 18:49:36,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-22 18:49:36,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129078311]
[2023-11-22 18:49:36,387 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 18:49:36,387 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
[2023-11-22 18:49:36,388 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-11-22 18:49:36,425 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)
[2023-11-22 18:49:36,453 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
[2023-11-22 18:49:36,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 18:49:36,478 INFO  L262         TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-22 18:49:36,480 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-22 18:49:36,567 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 18:49:36,568 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-22 18:49:36,568 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-22 18:49:36,568 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129078311]
[2023-11-22 18:49:36,569 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129078311] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 18:49:36,569 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 18:49:36,569 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-22 18:49:36,569 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892754699]
[2023-11-22 18:49:36,569 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 18:49:36,570 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-22 18:49:36,570 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-22 18:49:36,571 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-22 18:49:36,571 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-22 18:49:36,572 INFO  L87              Difference]: Start difference. First operand 11 states and 10 transitions. Second operand  has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:36,625 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 18:49:36,625 INFO  L93              Difference]: Finished difference Result 11 states and 10 transitions.
[2023-11-22 18:49:36,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-22 18:49:36,626 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-22 18:49:36,627 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 18:49:36,627 INFO  L225             Difference]: With dead ends: 11
[2023-11-22 18:49:36,627 INFO  L226             Difference]: Without dead ends: 9
[2023-11-22 18:49:36,628 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-11-22 18:49:36,629 INFO  L413           NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-22 18:49:36,629 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-22 18:49:36,630 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-22 18:49:36,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2023-11-22 18:49:36,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-22 18:49:36,632 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions.
[2023-11-22 18:49:36,632 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6
[2023-11-22 18:49:36,633 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 18:49:36,633 INFO  L495      AbstractCegarLoop]: Abstraction has 9 states and 8 transitions.
[2023-11-22 18:49:36,633 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 18:49:36,633 INFO  L276                IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2023-11-22 18:49:36,634 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-22 18:49:36,634 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 18:49:36,634 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 18:49:36,639 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
[2023-11-22 18:49:36,837 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
[2023-11-22 18:49:36,837 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 18:49:36,838 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 18:49:36,838 INFO  L85        PathProgramCache]: Analyzing trace with hash 1132968382, now seen corresponding path program 1 times
[2023-11-22 18:49:36,839 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-22 18:49:36,839 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282727996]
[2023-11-22 18:49:36,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 18:49:36,839 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
[2023-11-22 18:49:36,840 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-11-22 18:49:36,841 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)
[2023-11-22 18:49:36,848 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
[2023-11-22 18:49:36,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-22 18:49:36,895 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-22 18:49:36,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-22 18:49:36,929 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-11-22 18:49:36,929 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-22 18:49:36,930 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-22 18:49:36,932 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-22 18:49:36,944 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
[2023-11-22 18:49:37,135 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
[2023-11-22 18:49:37,139 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-22 18:49:37,142 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-22 18:49:37,159 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 06:49:37 BoogieIcfgContainer
[2023-11-22 18:49:37,160 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-22 18:49:37,160 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-22 18:49:37,161 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-22 18:49:37,161 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-22 18:49:37,162 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:49:35" (3/4) ...
[2023-11-22 18:49:37,164 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-22 18:49:37,165 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-22 18:49:37,165 INFO  L158              Benchmark]: Toolchain (without parser) took 2052.42ms. Allocated memory is still 69.2MB. Free memory was 35.4MB in the beginning and 44.4MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 18:49:37,166 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 27.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 18:49:37,167 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 291.81ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 24.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-22 18:49:37,167 INFO  L158              Benchmark]: Boogie Procedure Inliner took 35.84ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 18:49:37,167 INFO  L158              Benchmark]: Boogie Preprocessor took 52.60ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 46.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-22 18:49:37,168 INFO  L158              Benchmark]: RCFGBuilder took 271.09ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 35.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-22 18:49:37,168 INFO  L158              Benchmark]: TraceAbstraction took 1377.78ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 44.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 18:49:37,171 INFO  L158              Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.4MB in the end (delta: 402.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 18:49:37,174 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 27.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 291.81ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 24.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 35.84ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 52.60ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 46.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 271.09ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 35.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1377.78ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 44.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 4.57ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.4MB in the end (delta: 402.4kB). 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;
[L52]              volatile int count = 0;
       VAL         [count=0]
[L54]  COND TRUE   count < 5
[L55]              count++
[L56]  CALL        foo(count)
[L47]  CALL        __VERIFIER_assert(count >= 0 && count <= 5)
       VAL         [\old(cond)=1]
[L19]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1]
[L47]  RET         __VERIFIER_assert(count >= 0 && count <= 5)
       VAL         [\old(count)=1, count=1]
[L48]              longjmp(my_jump_buffer, 1)
       VAL         [\old(count)=1, count=1]

  - 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 3 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 9 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
[2023-11-22 18:49:37,210 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