/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p17.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 20:00:04,970 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 20:00:05,059 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2023-12-16 20:00:05,064 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 20:00:05,064 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 20:00:05,092 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 20:00:05,093 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 20:00:05,093 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 20:00:05,094 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 20:00:05,096 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 20:00:05,096 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 20:00:05,096 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 20:00:05,097 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 20:00:05,097 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 20:00:05,097 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 20:00:05,097 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 20:00:05,098 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 20:00:05,098 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-16 20:00:05,098 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 20:00:05,099 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 20:00:05,099 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 20:00:05,099 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 20:00:05,100 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 20:00:05,100 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 20:00:05,100 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 20:00:05,100 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 20:00:05,101 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 20:00:05,101 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 20:00:05,101 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 20:00:05,101 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 20:00:05,101 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 20:00:05,102 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 20:00:05,102 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 20:00:05,102 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-16 20:00:05,102 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 20:00:05,102 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 20:00:05,103 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 20:00:05,103 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 20:00:05,103 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 20:00:05,103 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 20:00:05,103 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-16 20:00:05,288 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 20:00:05,305 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 20:00:05,307 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 20:00:05,308 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 20:00:05,310 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 20:00:05,311 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p17.c
[2023-12-16 20:00:06,487 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 20:00:06,654 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 20:00:06,655 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p17.c
[2023-12-16 20:00:06,662 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd43259b8/d5e86bcc7bf348dd84fc1b28ab0b8757/FLAGc19db516f
[2023-12-16 20:00:06,676 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd43259b8/d5e86bcc7bf348dd84fc1b28ab0b8757
[2023-12-16 20:00:06,680 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 20:00:06,681 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 20:00:06,682 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 20:00:06,682 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 20:00:06,685 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 20:00:06,685 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:06,686 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0b85e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06, skipping insertion in model container
[2023-12-16 20:00:06,686 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:06,710 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 20:00:06,838 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p17.c[1266,1279]
[2023-12-16 20:00:06,893 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 20:00:06,905 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 20:00:06,914 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p17.c[1266,1279]
[2023-12-16 20:00:06,937 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 20:00:06,949 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 20:00:06,949 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06 WrapperNode
[2023-12-16 20:00:06,950 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 20:00:06,951 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 20:00:06,951 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 20:00:06,951 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 20:00:06,957 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:06,964 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,012 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 283
[2023-12-16 20:00:07,013 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 20:00:07,014 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 20:00:07,014 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 20:00:07,014 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 20:00:07,025 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,025 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,038 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,056 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 20:00:07,056 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,057 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,067 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,083 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,087 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,089 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,094 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 20:00:07,095 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 20:00:07,095 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 20:00:07,095 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 20:00:07,104 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (1/1) ...
[2023-12-16 20:00:07,124 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 20:00:07,136 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 20:00:07,169 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 20:00:07,194 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 20:00:07,203 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 20:00:07,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 20:00:07,204 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 20:00:07,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 20:00:07,301 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 20:00:07,303 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 20:00:07,640 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 20:00:07,668 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 20:00:07,668 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 20:00:07,669 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:00:07 BoogieIcfgContainer
[2023-12-16 20:00:07,669 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 20:00:07,672 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 20:00:07,673 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 20:00:07,676 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 20:00:07,676 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:00:06" (1/3) ...
[2023-12-16 20:00:07,677 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c05ceb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:00:07, skipping insertion in model container
[2023-12-16 20:00:07,677 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:06" (2/3) ...
[2023-12-16 20:00:07,677 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c05ceb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:00:07, skipping insertion in model container
[2023-12-16 20:00:07,677 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:00:07" (3/3) ...
[2023-12-16 20:00:07,679 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p17.c
[2023-12-16 20:00:07,694 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 20:00:07,695 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 20:00:07,740 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 20:00:07,746 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;@7e8e088f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 20:00:07,746 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 20:00:07,749 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 35 states, 33 states have (on average 1.6666666666666667) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:07,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-12-16 20:00:07,753 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 20:00:07,754 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 20:00:07,754 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 20:00:07,758 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 20:00:07,759 INFO  L85        PathProgramCache]: Analyzing trace with hash -2037151720, now seen corresponding path program 1 times
[2023-12-16 20:00:07,767 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 20:00:07,768 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408423654]
[2023-12-16 20:00:07,768 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 20:00:07,768 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 20:00:07,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 20:00:08,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 20:00:08,267 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 20:00:08,267 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408423654]
[2023-12-16 20:00:08,268 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408423654] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 20:00:08,268 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 20:00:08,268 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 20:00:08,269 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797565517]
[2023-12-16 20:00:08,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 20:00:08,273 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 20:00:08,273 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 20:00:08,297 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 20:00:08,298 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 20:00:08,299 INFO  L87              Difference]: Start difference. First operand  has 35 states, 33 states have (on average 1.6666666666666667) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:08,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 20:00:08,344 INFO  L93              Difference]: Finished difference Result 60 states and 96 transitions.
[2023-12-16 20:00:08,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 20:00:08,347 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2023-12-16 20:00:08,347 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 20:00:08,353 INFO  L225             Difference]: With dead ends: 60
[2023-12-16 20:00:08,354 INFO  L226             Difference]: Without dead ends: 35
[2023-12-16 20:00:08,356 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 20:00:08,362 INFO  L413           NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 20:00:08,363 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 139 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 20:00:08,382 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2023-12-16 20:00:08,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2023-12-16 20:00:08,397 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 35 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 34 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:08,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 53 transitions.
[2023-12-16 20:00:08,400 INFO  L78                 Accepts]: Start accepts. Automaton has 35 states and 53 transitions. Word has length 20
[2023-12-16 20:00:08,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 20:00:08,400 INFO  L495      AbstractCegarLoop]: Abstraction has 35 states and 53 transitions.
[2023-12-16 20:00:08,400 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:08,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions.
[2023-12-16 20:00:08,402 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 20:00:08,402 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 20:00:08,403 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 20:00:08,404 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 20:00:08,404 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 20:00:08,405 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 20:00:08,405 INFO  L85        PathProgramCache]: Analyzing trace with hash 1274531164, now seen corresponding path program 1 times
[2023-12-16 20:00:08,405 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 20:00:08,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258172120]
[2023-12-16 20:00:08,406 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 20:00:08,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 20:00:08,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 20:00:08,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 20:00:08,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 20:00:08,573 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258172120]
[2023-12-16 20:00:08,574 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258172120] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 20:00:08,574 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 20:00:08,574 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 20:00:08,574 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148291850]
[2023-12-16 20:00:08,574 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 20:00:08,576 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 20:00:08,580 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 20:00:08,582 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 20:00:08,582 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 20:00:08,582 INFO  L87              Difference]: Start difference. First operand 35 states and 53 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:08,622 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 20:00:08,622 INFO  L93              Difference]: Finished difference Result 63 states and 94 transitions.
[2023-12-16 20:00:08,623 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 20:00:08,623 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2023-12-16 20:00:08,623 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 20:00:08,624 INFO  L225             Difference]: With dead ends: 63
[2023-12-16 20:00:08,624 INFO  L226             Difference]: Without dead ends: 38
[2023-12-16 20:00:08,625 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 20:00:08,626 INFO  L413           NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 20:00:08,627 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 137 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 20:00:08,630 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38 states.
[2023-12-16 20:00:08,635 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37.
[2023-12-16 20:00:08,635 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:08,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 55 transitions.
[2023-12-16 20:00:08,637 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 55 transitions. Word has length 21
[2023-12-16 20:00:08,637 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 20:00:08,637 INFO  L495      AbstractCegarLoop]: Abstraction has 37 states and 55 transitions.
[2023-12-16 20:00:08,637 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:08,637 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions.
[2023-12-16 20:00:08,638 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-12-16 20:00:08,638 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 20:00:08,638 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 20:00:08,638 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 20:00:08,638 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 20:00:08,639 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 20:00:08,639 INFO  L85        PathProgramCache]: Analyzing trace with hash 645328050, now seen corresponding path program 1 times
[2023-12-16 20:00:08,640 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 20:00:08,640 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742251515]
[2023-12-16 20:00:08,640 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 20:00:08,640 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 20:00:08,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 20:00:08,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 20:00:08,945 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 20:00:08,946 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742251515]
[2023-12-16 20:00:08,946 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742251515] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 20:00:08,946 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 20:00:08,946 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-16 20:00:08,947 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532773445]
[2023-12-16 20:00:08,947 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 20:00:08,947 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-16 20:00:08,948 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 20:00:08,949 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-16 20:00:08,951 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-12-16 20:00:08,952 INFO  L87              Difference]: Start difference. First operand 37 states and 55 transitions. Second operand  has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:09,081 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 20:00:09,081 INFO  L93              Difference]: Finished difference Result 98 states and 144 transitions.
[2023-12-16 20:00:09,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-12-16 20:00:09,082 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22
[2023-12-16 20:00:09,083 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 20:00:09,085 INFO  L225             Difference]: With dead ends: 98
[2023-12-16 20:00:09,085 INFO  L226             Difference]: Without dead ends: 71
[2023-12-16 20:00:09,088 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2023-12-16 20:00:09,091 INFO  L413           NwaCegarLoop]: 53 mSDtfsCounter, 140 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 20:00:09,092 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 182 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 20:00:09,093 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2023-12-16 20:00:09,099 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 40.
[2023-12-16 20:00:09,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 39 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:09,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions.
[2023-12-16 20:00:09,100 INFO  L78                 Accepts]: Start accepts. Automaton has 40 states and 58 transitions. Word has length 22
[2023-12-16 20:00:09,101 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 20:00:09,101 INFO  L495      AbstractCegarLoop]: Abstraction has 40 states and 58 transitions.
[2023-12-16 20:00:09,101 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:09,103 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions.
[2023-12-16 20:00:09,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-12-16 20:00:09,105 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 20:00:09,105 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 20:00:09,105 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 20:00:09,105 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 20:00:09,105 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 20:00:09,106 INFO  L85        PathProgramCache]: Analyzing trace with hash -1874631884, now seen corresponding path program 1 times
[2023-12-16 20:00:09,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 20:00:09,106 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981785729]
[2023-12-16 20:00:09,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 20:00:09,106 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 20:00:09,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 20:00:09,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 20:00:09,377 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 20:00:09,378 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981785729]
[2023-12-16 20:00:09,378 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981785729] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 20:00:09,378 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 20:00:09,378 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 20:00:09,379 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002963576]
[2023-12-16 20:00:09,379 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 20:00:09,379 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 20:00:09,379 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 20:00:09,380 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 20:00:09,380 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 20:00:09,381 INFO  L87              Difference]: Start difference. First operand 40 states and 58 transitions. Second operand  has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:09,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 20:00:09,421 INFO  L93              Difference]: Finished difference Result 74 states and 108 transitions.
[2023-12-16 20:00:09,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 20:00:09,421 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22
[2023-12-16 20:00:09,421 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 20:00:09,423 INFO  L225             Difference]: With dead ends: 74
[2023-12-16 20:00:09,423 INFO  L226             Difference]: Without dead ends: 44
[2023-12-16 20:00:09,423 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 20:00:09,428 INFO  L413           NwaCegarLoop]: 55 mSDtfsCounter, 65 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 20:00:09,429 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 100 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 20:00:09,431 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2023-12-16 20:00:09,438 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37.
[2023-12-16 20:00:09,439 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 36 states have (on average 1.5) internal successors, (54), 36 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:09,442 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 54 transitions.
[2023-12-16 20:00:09,442 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 54 transitions. Word has length 22
[2023-12-16 20:00:09,442 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 20:00:09,443 INFO  L495      AbstractCegarLoop]: Abstraction has 37 states and 54 transitions.
[2023-12-16 20:00:09,443 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 20:00:09,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions.
[2023-12-16 20:00:09,444 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-12-16 20:00:09,444 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 20:00:09,444 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 20:00:09,444 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-16 20:00:09,445 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 20:00:09,445 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 20:00:09,445 INFO  L85        PathProgramCache]: Analyzing trace with hash -262787072, now seen corresponding path program 1 times
[2023-12-16 20:00:09,445 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 20:00:09,445 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482285557]
[2023-12-16 20:00:09,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 20:00:09,446 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 20:00:09,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 20:00:09,483 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 20:00:09,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 20:00:09,539 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-16 20:00:09,539 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 20:00:09,540 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 20:00:09,542 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-16 20:00:09,544 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 20:00:09,547 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 20:00:09,578 WARN  L320   BoogieBacktranslator]: Removing null node from list of ATEs: ATE  program state null
[2023-12-16 20:00:09,587 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:00:09 BoogieIcfgContainer
[2023-12-16 20:00:09,587 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 20:00:09,588 INFO  L158              Benchmark]: Toolchain (without parser) took 2906.93ms. Allocated memory was 201.3MB in the beginning and 263.2MB in the end (delta: 61.9MB). Free memory was 154.9MB in the beginning and 172.4MB in the end (delta: -17.4MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB.
[2023-12-16 20:00:09,588 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 20:00:09,588 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 268.97ms. Allocated memory is still 201.3MB. Free memory was 154.9MB in the beginning and 141.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2023-12-16 20:00:09,588 INFO  L158              Benchmark]: Boogie Procedure Inliner took 61.90ms. Allocated memory is still 201.3MB. Free memory was 141.3MB in the beginning and 136.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB.
[2023-12-16 20:00:09,588 INFO  L158              Benchmark]: Boogie Preprocessor took 80.80ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 133.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-12-16 20:00:09,589 INFO  L158              Benchmark]: RCFGBuilder took 573.66ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 108.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
[2023-12-16 20:00:09,589 INFO  L158              Benchmark]: TraceAbstraction took 1915.36ms. Allocated memory was 201.3MB in the beginning and 263.2MB in the end (delta: 61.9MB). Free memory was 107.8MB in the beginning and 172.4MB in the end (delta: -64.6MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 20:00:09,590 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 268.97ms. Allocated memory is still 201.3MB. Free memory was 154.9MB in the beginning and 141.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 61.90ms. Allocated memory is still 201.3MB. Free memory was 141.3MB in the beginning and 136.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 80.80ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 133.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 573.66ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 108.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1915.36ms. Allocated memory was 201.3MB in the beginning and 263.2MB in the end (delta: 61.9MB). Free memory was 107.8MB in the beginning and 172.4MB in the end (delta: -64.6MB). There was no memory consumed. Max. memory is 8.0GB.
 * 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: 21]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: overapproximation of bitwiseOr at line 126. 
Possible FailurePath: 
[L26]              const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1);
[L27]              const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1);
[L29]              const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8);
[L30]              const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1);
[L32]              const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32);
[L33]              const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1);
[L35]              const SORT_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 4);
[L36]              const SORT_32 msb_SORT_32 = (SORT_32)1 << (4 - 1);
[L38]              const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 10);
[L39]              const SORT_68 msb_SORT_68 = (SORT_68)1 << (10 - 1);
[L41]              const SORT_1 var_7 = 0;
[L42]              const SORT_10 var_12 = 0;
[L43]              const SORT_1 var_22 = 1;
[L45]              SORT_1 input_2;
[L46]              SORT_3 input_4;
[L47]              SORT_1 input_5;
[L48]              SORT_1 input_6;
[L49]              SORT_1 input_28;
[L50]              SORT_1 input_30;
[L51]              SORT_32 input_33;
[L52]              SORT_1 input_35;
[L53]              SORT_32 input_37;
[L54]              SORT_1 input_39;
[L55]              SORT_1 input_41;
[L56]              SORT_1 input_43;
[L57]              SORT_1 input_45;
[L58]              SORT_1 input_47;
[L59]              SORT_1 input_49;
[L60]              SORT_1 input_51;
[L61]              SORT_1 input_53;
[L62]              SORT_3 input_55;
[L63]              SORT_1 input_58;
[L64]              SORT_1 input_60;
[L65]              SORT_1 input_62;
[L66]              SORT_1 input_64;
[L67]              SORT_1 input_66;
[L68]              SORT_68 input_69;
[L69]              SORT_1 input_71;
[L71]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, var_12=0, var_22=1, var_7=0]
[L71]              SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L72]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_8=0, var_12=0, var_22=1, var_7=0]
[L72]              SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L73]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_8=0, var_12=0, var_22=1, var_7=0]
[L73]              SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L75]              SORT_1 init_9_arg_1 = var_7;
[L76]              state_8 = init_9_arg_1
[L77]              SORT_1 init_16_arg_1 = var_7;
[L78]              state_15 = init_16_arg_1
[L79]              SORT_1 init_27_arg_1 = var_7;
[L80]              state_26 = init_27_arg_1
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_12=0, var_22=1, var_7=0]
[L83]              input_2 = __VERIFIER_nondet_uchar()
[L84]              input_4 = __VERIFIER_nondet_uchar()
[L85]              input_5 = __VERIFIER_nondet_uchar()
[L86]              input_6 = __VERIFIER_nondet_uchar()
[L87]              input_28 = __VERIFIER_nondet_uchar()
[L88]              input_30 = __VERIFIER_nondet_uchar()
[L89]              input_33 = __VERIFIER_nondet_uchar()
[L90]              input_35 = __VERIFIER_nondet_uchar()
[L91]              input_37 = __VERIFIER_nondet_uchar()
[L92]              input_39 = __VERIFIER_nondet_uchar()
[L93]              input_41 = __VERIFIER_nondet_uchar()
[L94]              input_43 = __VERIFIER_nondet_uchar()
[L95]              input_45 = __VERIFIER_nondet_uchar()
[L96]              input_47 = __VERIFIER_nondet_uchar()
[L97]              input_49 = __VERIFIER_nondet_uchar()
[L98]              input_51 = __VERIFIER_nondet_uchar()
[L99]              input_53 = __VERIFIER_nondet_uchar()
[L100]             input_55 = __VERIFIER_nondet_uchar()
[L101]             input_58 = __VERIFIER_nondet_uchar()
[L102]             input_60 = __VERIFIER_nondet_uchar()
[L103]             input_62 = __VERIFIER_nondet_uchar()
[L104]             input_64 = __VERIFIER_nondet_uchar()
[L105]             input_66 = __VERIFIER_nondet_uchar()
[L106]             input_69 = __VERIFIER_nondet_ushort()
[L107]             input_71 = __VERIFIER_nondet_uchar()
[L110]             SORT_1 var_11_arg_0 = state_8;
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11_arg_0=0, var_12=0, var_22=1, var_7=0]
[L111]  EXPR       var_11_arg_0 & mask_SORT_1
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11_arg_0=0, var_12=0, var_22=1, var_7=0]
[L111]             var_11_arg_0 = var_11_arg_0 & mask_SORT_1
[L112]             SORT_10 var_11 = var_11_arg_0;
[L113]             SORT_10 var_13_arg_0 = var_11;
[L114]             SORT_10 var_13_arg_1 = var_12;
[L115]             SORT_1 var_13 = var_13_arg_0 == var_13_arg_1;
[L116]             SORT_1 var_14_arg_0 = var_13;
[L117]             SORT_1 var_14 = ~var_14_arg_0;
[L118]             SORT_1 var_17_arg_0 = state_15;
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=254, var_14_arg_0=1, var_17_arg_0=0, var_22=1, var_7=0]
[L119]  EXPR       var_17_arg_0 & mask_SORT_1
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=254, var_14_arg_0=1, var_17_arg_0=0, var_22=1, var_7=0]
[L119]             var_17_arg_0 = var_17_arg_0 & mask_SORT_1
[L120]             SORT_10 var_17 = var_17_arg_0;
[L121]             SORT_10 var_18_arg_0 = var_17;
[L122]             SORT_10 var_18_arg_1 = var_12;
[L123]             SORT_1 var_18 = var_18_arg_0 == var_18_arg_1;
[L124]             SORT_1 var_19_arg_0 = var_14;
[L125]             SORT_1 var_19_arg_1 = var_18;
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=254, var_14_arg_0=1, var_17=0, var_17_arg_0=0, var_18=1, var_18_arg_0=0, var_18_arg_1=0, var_19_arg_0=254, var_19_arg_1=1, var_22=1, var_7=0]
[L126]  EXPR       var_19_arg_0 | var_19_arg_1
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=254, var_14_arg_0=1, var_17=0, var_17_arg_0=0, var_18=1, var_18_arg_0=0, var_18_arg_1=0, var_19_arg_0=254, var_19_arg_1=1, var_22=1, var_7=0]
[L126]             SORT_1 var_19 = var_19_arg_0 | var_19_arg_1;
[L127]             SORT_1 var_23_arg_0 = var_19;
[L128]             SORT_1 var_23 = ~var_23_arg_0;
[L129]             SORT_1 var_24_arg_0 = var_22;
[L130]             SORT_1 var_24_arg_1 = var_23;
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=254, var_14_arg_0=1, var_17=0, var_17_arg_0=0, var_18=1, var_18_arg_0=0, var_18_arg_1=0, var_19=254, var_19_arg_0=254, var_19_arg_1=1, var_22=1, var_23=1, var_23_arg_0=254, var_24_arg_0=1, var_24_arg_1=1, var_7=0]
[L131]  EXPR       var_24_arg_0 & var_24_arg_1
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=254, var_14_arg_0=1, var_17=0, var_17_arg_0=0, var_18=1, var_18_arg_0=0, var_18_arg_1=0, var_19=254, var_19_arg_0=254, var_19_arg_1=1, var_22=1, var_23=1, var_23_arg_0=254, var_24_arg_0=1, var_24_arg_1=1, var_7=0]
[L131]             SORT_1 var_24 = var_24_arg_0 & var_24_arg_1;
[L132]  EXPR       var_24 & mask_SORT_1
        VAL        [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_68=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=254, var_14_arg_0=1, var_17=0, var_17_arg_0=0, var_18=1, var_18_arg_0=0, var_18_arg_1=0, var_19=254, var_19_arg_0=254, var_19_arg_1=1, var_22=1, var_23=1, var_23_arg_0=254, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_7=0]
[L132]             var_24 = var_24 & mask_SORT_1
[L133]             SORT_1 bad_25_arg_0 = var_24;
[L134]  CALL       __VERIFIER_assert(!(bad_25_arg_0))
[L21]   COND TRUE  !(cond)
        VAL        [\old(cond)=0, cond=0]
[L21]              reach_error()
        VAL        [\old(cond)=0, cond=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 558 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 354 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 204 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=3, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
[2023-12-16 20:00:09,607 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...