/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_p08.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 19:59:52,673 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 19:59:52,725 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 19:59:52,731 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 19:59:52,731 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 19:59:52,753 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 19:59:52,753 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 19:59:52,754 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 19:59:52,754 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 19:59:52,754 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 19:59:52,754 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 19:59:52,755 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 19:59:52,755 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 19:59:52,755 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 19:59:52,755 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 19:59:52,756 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 19:59:52,756 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 19:59:52,756 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-16 19:59:52,756 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 19:59:52,756 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 19:59:52,757 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 19:59:52,760 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 19:59:52,760 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 19:59:52,760 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 19:59:52,760 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 19:59:52,761 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 19:59:52,761 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 19:59:52,761 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 19:59:52,761 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 19:59:52,761 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:59:52,762 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 19:59:52,762 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 19:59:52,762 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 19:59:52,762 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-16 19:59:52,762 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 19:59:52,762 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 19:59:52,763 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 19:59:52,763 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 19:59:52,763 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 19:59:52,763 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 19:59:52,763 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-16 19:59:52,951 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 19:59:52,969 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 19:59:52,971 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 19:59:52,972 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 19:59:52,973 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 19:59:52,973 INFO  L431   ainManager$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_p08.c
[2023-12-16 19:59:53,930 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 19:59:54,115 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 19:59:54,116 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c
[2023-12-16 19:59:54,127 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a28260e20/fa5f4a00c1e7433289e122cfd1da3fcf/FLAGc98ba1236
[2023-12-16 19:59:54,141 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a28260e20/fa5f4a00c1e7433289e122cfd1da3fcf
[2023-12-16 19:59:54,144 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 19:59:54,145 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 19:59:54,147 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 19:59:54,147 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 19:59:54,151 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 19:59:54,152 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,153 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24238076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54, skipping insertion in model container
[2023-12-16 19:59:54,153 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,185 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 19:59:54,299 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_p08.c[1266,1279]
[2023-12-16 19:59:54,364 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:59:54,381 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 19:59:54,393 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_p08.c[1266,1279]
[2023-12-16 19:59:54,437 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:59:54,452 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 19:59:54,453 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54 WrapperNode
[2023-12-16 19:59:54,455 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 19:59:54,456 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 19:59:54,456 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 19:59:54,456 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 19:59:54,461 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,471 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,522 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 449
[2023-12-16 19:59:54,523 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 19:59:54,523 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 19:59:54,523 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 19:59:54,523 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 19:59:54,533 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,533 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,540 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,570 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 19:59:54,570 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,570 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,582 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,605 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,608 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,611 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,617 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 19:59:54,618 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 19:59:54,618 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 19:59:54,633 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 19:59:54,634 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (1/1) ...
[2023-12-16 19:59:54,639 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:59:54,646 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 19:59:54,656 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 19:59:54,668 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 19:59:54,678 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 19:59:54,678 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 19:59:54,678 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 19:59:54,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 19:59:54,795 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 19:59:54,797 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 19:59:55,182 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 19:59:55,207 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 19:59:55,208 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 19:59:55,208 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:59:55 BoogieIcfgContainer
[2023-12-16 19:59:55,209 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 19:59:55,210 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 19:59:55,211 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 19:59:55,213 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 19:59:55,213 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:59:54" (1/3) ...
[2023-12-16 19:59:55,214 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522a9e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:59:55, skipping insertion in model container
[2023-12-16 19:59:55,215 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:59:54" (2/3) ...
[2023-12-16 19:59:55,215 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522a9e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:59:55, skipping insertion in model container
[2023-12-16 19:59:55,215 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:59:55" (3/3) ...
[2023-12-16 19:59:55,216 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p08.c
[2023-12-16 19:59:55,228 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 19:59:55,228 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 19:59:55,267 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 19:59:55,272 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;@45dc7921, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 19:59:55,272 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 19:59:55,276 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 59 states, 57 states have (on average 1.6666666666666667) internal successors, (95), 58 states have internal predecessors, (95), 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 19:59:55,280 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 19:59:55,280 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:59:55,281 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, 1, 1, 1, 1, 1]
[2023-12-16 19:59:55,281 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:59:55,286 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:59:55,286 INFO  L85        PathProgramCache]: Analyzing trace with hash -1705894076, now seen corresponding path program 1 times
[2023-12-16 19:59:55,292 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:59:55,293 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987564072]
[2023-12-16 19:59:55,293 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:59:55,293 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:59:55,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:59:55,737 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 19:59:55,737 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:59:55,737 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987564072]
[2023-12-16 19:59:55,738 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987564072] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:59:55,738 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:59:55,738 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:59:55,740 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336719859]
[2023-12-16 19:59:55,740 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:59:55,743 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:59:55,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:59:55,767 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:59:55,768 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:59:55,770 INFO  L87              Difference]: Start difference. First operand  has 59 states, 57 states have (on average 1.6666666666666667) internal successors, (95), 58 states have internal predecessors, (95), 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 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 19:59:55,816 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:59:55,817 INFO  L93              Difference]: Finished difference Result 96 states and 156 transitions.
[2023-12-16 19:59:55,818 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:59:55,819 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 28
[2023-12-16 19:59:55,819 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:59:55,825 INFO  L225             Difference]: With dead ends: 96
[2023-12-16 19:59:55,825 INFO  L226             Difference]: Without dead ends: 59
[2023-12-16 19:59:55,826 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 19:59:55,829 INFO  L413           NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 259 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 19:59:55,830 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 259 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:59:55,840 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2023-12-16 19:59:55,853 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2023-12-16 19:59:55,854 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 59 states, 58 states have (on average 1.603448275862069) internal successors, (93), 58 states have internal predecessors, (93), 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 19:59:55,855 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 93 transitions.
[2023-12-16 19:59:55,856 INFO  L78                 Accepts]: Start accepts. Automaton has 59 states and 93 transitions. Word has length 28
[2023-12-16 19:59:55,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:59:55,856 INFO  L495      AbstractCegarLoop]: Abstraction has 59 states and 93 transitions.
[2023-12-16 19:59:55,856 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 19:59:55,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions.
[2023-12-16 19:59:55,857 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2023-12-16 19:59:55,858 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:59:55,858 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, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:59:55,858 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 19:59:55,858 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:59:55,859 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:59:55,859 INFO  L85        PathProgramCache]: Analyzing trace with hash -1341383712, now seen corresponding path program 1 times
[2023-12-16 19:59:55,859 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:59:55,860 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355538271]
[2023-12-16 19:59:55,860 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:59:55,860 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:59:55,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:59:56,008 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 19:59:56,009 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:59:56,009 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355538271]
[2023-12-16 19:59:56,009 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355538271] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:59:56,010 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:59:56,010 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:59:56,010 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540399655]
[2023-12-16 19:59:56,010 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:59:56,012 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:59:56,014 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:59:56,015 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:59:56,015 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:59:56,016 INFO  L87              Difference]: Start difference. First operand 59 states and 93 transitions. Second operand  has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 19:59:56,047 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:59:56,047 INFO  L93              Difference]: Finished difference Result 99 states and 154 transitions.
[2023-12-16 19:59:56,047 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:59:56,048 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 29
[2023-12-16 19:59:56,049 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:59:56,049 INFO  L225             Difference]: With dead ends: 99
[2023-12-16 19:59:56,049 INFO  L226             Difference]: Without dead ends: 62
[2023-12-16 19:59:56,049 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 19:59:56,050 INFO  L413           NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 257 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 19:59:56,051 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 257 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:59:56,053 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2023-12-16 19:59:56,059 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61.
[2023-12-16 19:59:56,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61 states, 60 states have (on average 1.5833333333333333) internal successors, (95), 60 states have internal predecessors, (95), 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 19:59:56,065 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 95 transitions.
[2023-12-16 19:59:56,065 INFO  L78                 Accepts]: Start accepts. Automaton has 61 states and 95 transitions. Word has length 29
[2023-12-16 19:59:56,065 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:59:56,066 INFO  L495      AbstractCegarLoop]: Abstraction has 61 states and 95 transitions.
[2023-12-16 19:59:56,066 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 19:59:56,066 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions.
[2023-12-16 19:59:56,066 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-12-16 19:59:56,066 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:59:56,067 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, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:59:56,067 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 19:59:56,067 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:59:56,067 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:59:56,067 INFO  L85        PathProgramCache]: Analyzing trace with hash 1156345566, now seen corresponding path program 1 times
[2023-12-16 19:59:56,067 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:59:56,068 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151724465]
[2023-12-16 19:59:56,068 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:59:56,068 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:59:56,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:59:56,348 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 19:59:56,348 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:59:56,348 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151724465]
[2023-12-16 19:59:56,348 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151724465] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:59:56,348 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:59:56,348 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-16 19:59:56,349 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474389355]
[2023-12-16 19:59:56,349 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:59:56,349 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-16 19:59:56,349 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:59:56,349 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-16 19:59:56,350 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-12-16 19:59:56,350 INFO  L87              Difference]: Start difference. First operand 61 states and 95 transitions. Second operand  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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 19:59:56,481 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:59:56,482 INFO  L93              Difference]: Finished difference Result 146 states and 224 transitions.
[2023-12-16 19:59:56,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-12-16 19:59:56,482 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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 30
[2023-12-16 19:59:56,482 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:59:56,483 INFO  L225             Difference]: With dead ends: 146
[2023-12-16 19:59:56,483 INFO  L226             Difference]: Without dead ends: 107
[2023-12-16 19:59:56,483 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 19:59:56,484 INFO  L413           NwaCegarLoop]: 90 mSDtfsCounter, 181 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 19:59:56,484 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 401 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 19:59:56,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-12-16 19:59:56,488 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64.
[2023-12-16 19:59:56,488 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 63 states have (on average 1.5555555555555556) internal successors, (98), 63 states have internal predecessors, (98), 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 19:59:56,489 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions.
[2023-12-16 19:59:56,490 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 30
[2023-12-16 19:59:56,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:59:56,490 INFO  L495      AbstractCegarLoop]: Abstraction has 64 states and 98 transitions.
[2023-12-16 19:59:56,491 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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 19:59:56,492 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions.
[2023-12-16 19:59:56,494 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-12-16 19:59:56,494 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:59:56,494 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, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:59:56,494 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 19:59:56,495 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:59:56,495 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:59:56,495 INFO  L85        PathProgramCache]: Analyzing trace with hash -1363614368, now seen corresponding path program 1 times
[2023-12-16 19:59:56,495 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:59:56,495 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870676619]
[2023-12-16 19:59:56,495 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:59:56,495 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:59:56,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 19:59:56,527 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 19:59:56,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 19:59:56,566 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-16 19:59:56,566 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 19:59:56,567 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 19:59:56,568 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-16 19:59:56,570 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-12-16 19:59:56,572 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 19:59:56,611 WARN  L320   BoogieBacktranslator]: Removing null node from list of ATEs: ATE  program state null
[2023-12-16 19:59:56,630 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:59:56 BoogieIcfgContainer
[2023-12-16 19:59:56,631 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 19:59:56,631 INFO  L158              Benchmark]: Toolchain (without parser) took 2485.68ms. Allocated memory was 202.4MB in the beginning and 286.3MB in the end (delta: 83.9MB). Free memory was 150.9MB in the beginning and 148.2MB in the end (delta: 2.7MB). Peak memory consumption was 88.2MB. Max. memory is 8.0GB.
[2023-12-16 19:59:56,631 INFO  L158              Benchmark]: CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 19:59:56,632 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 308.04ms. Allocated memory is still 202.4MB. Free memory was 150.6MB in the beginning and 134.5MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB.
[2023-12-16 19:59:56,632 INFO  L158              Benchmark]: Boogie Procedure Inliner took 66.87ms. Allocated memory is still 202.4MB. Free memory was 134.5MB in the beginning and 126.7MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB.
[2023-12-16 19:59:56,632 INFO  L158              Benchmark]: Boogie Preprocessor took 94.25ms. Allocated memory is still 202.4MB. Free memory was 126.7MB in the beginning and 121.6MB in the end (delta: 5.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB.
[2023-12-16 19:59:56,632 INFO  L158              Benchmark]: RCFGBuilder took 590.92ms. Allocated memory is still 202.4MB. Free memory was 121.5MB in the beginning and 130.9MB in the end (delta: -9.4MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB.
[2023-12-16 19:59:56,632 INFO  L158              Benchmark]: TraceAbstraction took 1420.21ms. Allocated memory was 202.4MB in the beginning and 286.3MB in the end (delta: 83.9MB). Free memory was 129.8MB in the beginning and 148.2MB in the end (delta: -18.4MB). Peak memory consumption was 65.5MB. Max. memory is 8.0GB.
[2023-12-16 19:59:56,634 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 308.04ms. Allocated memory is still 202.4MB. Free memory was 150.6MB in the beginning and 134.5MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 66.87ms. Allocated memory is still 202.4MB. Free memory was 134.5MB in the beginning and 126.7MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 94.25ms. Allocated memory is still 202.4MB. Free memory was 126.7MB in the beginning and 121.6MB in the end (delta: 5.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB.
 * RCFGBuilder took 590.92ms. Allocated memory is still 202.4MB. Free memory was 121.5MB in the beginning and 130.9MB in the end (delta: -9.4MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1420.21ms. Allocated memory was 202.4MB in the beginning and 286.3MB in the end (delta: 83.9MB). Free memory was 129.8MB in the beginning and 148.2MB in the end (delta: -18.4MB). Peak memory consumption was 65.5MB. 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 bitwiseAnd at line 141. 
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_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4);
[L36]              const SORT_31 msb_SORT_31 = (SORT_31)1 << (4 - 1);
[L38]              const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10);
[L39]              const SORT_67 msb_SORT_67 = (SORT_67)1 << (10 - 1);
[L41]              const SORT_1 var_7 = 0;
[L42]              const SORT_10 var_12 = 0;
[L43]              const SORT_1 var_21 = 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_29;
[L50]              SORT_31 input_32;
[L51]              SORT_31 input_34;
[L52]              SORT_1 input_36;
[L53]              SORT_1 input_38;
[L54]              SORT_1 input_42;
[L55]              SORT_1 input_44;
[L56]              SORT_1 input_46;
[L57]              SORT_1 input_48;
[L58]              SORT_3 input_50;
[L59]              SORT_1 input_53;
[L60]              SORT_1 input_55;
[L61]              SORT_1 input_59;
[L62]              SORT_1 input_63;
[L63]              SORT_1 input_65;
[L64]              SORT_67 input_68;
[L65]              SORT_1 input_70;
[L66]              SORT_1 input_72;
[L67]              SORT_1 input_78;
[L68]              SORT_1 input_85;
[L69]              SORT_1 input_91;
[L71]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, var_12=0, var_21=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_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_8=0, var_12=0, var_21=1, var_7=0]
[L72]              SORT_1 state_14 = __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_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_8=0, var_12=0, var_21=1, var_7=0]
[L73]              SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L74]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_8=0, var_12=0, var_21=1, var_7=0]
[L74]              SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L75]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_8=0, var_12=0, var_21=1, var_7=0]
[L75]              SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L76]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_8=0, var_12=0, var_21=1, var_7=0]
[L76]              SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L77]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_8=0, var_12=0, var_21=1, var_7=0]
[L77]              SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L79]              SORT_1 init_9_arg_1 = var_7;
[L80]              state_8 = init_9_arg_1
[L81]              SORT_1 init_15_arg_1 = var_7;
[L82]              state_14 = init_15_arg_1
[L83]              SORT_1 init_26_arg_1 = var_7;
[L84]              state_25 = init_26_arg_1
[L85]              SORT_1 init_28_arg_1 = var_7;
[L86]              state_27 = init_28_arg_1
[L87]              SORT_1 init_41_arg_1 = var_7;
[L88]              state_40 = init_41_arg_1
[L89]              SORT_1 init_58_arg_1 = var_7;
[L90]              state_57 = init_58_arg_1
[L91]              SORT_1 init_62_arg_1 = var_7;
[L92]              state_61 = init_62_arg_1
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=0, state_8=0, var_12=0, var_21=1, var_7=0]
[L95]              input_2 = __VERIFIER_nondet_uchar()
[L96]              input_4 = __VERIFIER_nondet_uchar()
[L97]              input_5 = __VERIFIER_nondet_uchar()
[L98]              input_6 = __VERIFIER_nondet_uchar()
[L99]              input_29 = __VERIFIER_nondet_uchar()
[L100]             input_32 = __VERIFIER_nondet_uchar()
[L101]             input_34 = __VERIFIER_nondet_uchar()
[L102]             input_36 = __VERIFIER_nondet_uchar()
[L103]             input_38 = __VERIFIER_nondet_uchar()
[L104]             input_42 = __VERIFIER_nondet_uchar()
[L105]             input_44 = __VERIFIER_nondet_uchar()
[L106]             input_46 = __VERIFIER_nondet_uchar()
[L107]             input_48 = __VERIFIER_nondet_uchar()
[L108]             input_50 = __VERIFIER_nondet_uchar()
[L109]             input_53 = __VERIFIER_nondet_uchar()
[L110]             input_55 = __VERIFIER_nondet_uchar()
[L111]             input_59 = __VERIFIER_nondet_uchar()
[L112]             input_63 = __VERIFIER_nondet_uchar()
[L113]             input_65 = __VERIFIER_nondet_uchar()
[L114]             input_68 = __VERIFIER_nondet_ushort()
[L115]             input_70 = __VERIFIER_nondet_uchar()
[L116]             input_72 = __VERIFIER_nondet_uchar()
[L117]             input_78 = __VERIFIER_nondet_uchar()
[L118]             input_85 = __VERIFIER_nondet_uchar()
[L119]             input_91 = __VERIFIER_nondet_uchar()
[L122]             SORT_1 var_11_arg_0 = state_8;
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=0, state_8=0, var_11_arg_0=0, var_12=0, var_21=1, var_7=0]
[L123]  EXPR       var_11_arg_0 & mask_SORT_1
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=0, state_8=0, var_11_arg_0=0, var_12=0, var_21=1, var_7=0]
[L123]             var_11_arg_0 = var_11_arg_0 & mask_SORT_1
[L124]             SORT_10 var_11 = var_11_arg_0;
[L125]             SORT_10 var_13_arg_0 = var_11;
[L126]             SORT_10 var_13_arg_1 = var_12;
[L127]             SORT_1 var_13 = var_13_arg_0 == var_13_arg_1;
[L128]             SORT_1 var_16_arg_0 = state_14;
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=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_16_arg_0=0, var_21=1, var_7=0]
[L129]  EXPR       var_16_arg_0 & mask_SORT_1
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=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_16_arg_0=0, var_21=1, var_7=0]
[L129]             var_16_arg_0 = var_16_arg_0 & mask_SORT_1
[L130]             SORT_10 var_16 = var_16_arg_0;
[L131]             SORT_10 var_17_arg_0 = var_16;
[L132]             SORT_10 var_17_arg_1 = var_12;
[L133]             SORT_1 var_17 = var_17_arg_0 == var_17_arg_1;
[L134]             SORT_1 var_18_arg_0 = var_13;
[L135]             SORT_1 var_18_arg_1 = var_17;
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=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_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_7=0]
[L136]  EXPR       var_18_arg_0 | var_18_arg_1
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=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_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_7=0]
[L136]             SORT_1 var_18 = var_18_arg_0 | var_18_arg_1;
[L137]             SORT_1 var_22_arg_0 = var_18;
[L138]             SORT_1 var_22 = ~var_22_arg_0;
[L139]             SORT_1 var_23_arg_0 = var_21;
[L140]             SORT_1 var_23_arg_1 = var_22;
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=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_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23_arg_0=1, var_23_arg_1=254, var_7=0]
[L141]  EXPR       var_23_arg_0 & var_23_arg_1
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=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_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23_arg_0=1, var_23_arg_1=254, var_7=0]
[L141]             SORT_1 var_23 = var_23_arg_0 & var_23_arg_1;
[L142]  EXPR       var_23 & mask_SORT_1
        VAL        [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_41_arg_1=0, init_58_arg_1=0, init_62_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_40=0, state_57=0, state_61=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_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23=1, var_23_arg_0=1, var_23_arg_1=254, var_7=0]
[L142]             var_23 = var_23 & mask_SORT_1
[L143]             SORT_1 bad_24_arg_0 = var_23;
[L144]  CALL       __VERIFIER_assert(!(bad_24_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, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 917 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 651 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 266 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 3 MinimizatonAttempts, 44 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 19:59:56,655 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...