/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.vis_QF_BV_spinner32.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-25 23:07:05,126 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-25 23:07:05,209 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2023-12-25 23:07:05,214 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-25 23:07:05,215 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-25 23:07:05,242 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-25 23:07:05,243 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-25 23:07:05,243 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-25 23:07:05,244 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-25 23:07:05,247 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-25 23:07:05,248 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-25 23:07:05,248 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-25 23:07:05,249 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-25 23:07:05,250 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-25 23:07:05,250 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-25 23:07:05,251 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-25 23:07:05,251 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-25 23:07:05,251 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-25 23:07:05,251 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-25 23:07:05,252 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-25 23:07:05,252 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-25 23:07:05,252 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-25 23:07:05,252 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-25 23:07:05,253 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-25 23:07:05,253 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-25 23:07:05,253 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-25 23:07:05,254 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-25 23:07:05,254 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-25 23:07:05,254 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-25 23:07:05,254 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 23:07:05,255 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-25 23:07:05,255 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-25 23:07:05,255 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-25 23:07:05,256 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-25 23:07:05,256 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-25 23:07:05,256 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-25 23:07:05,256 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-25 23:07:05,256 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-25 23:07:05,256 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-25 23:07:05,257 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-25 23:07:05,257 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-25 23:07:05,484 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-25 23:07:05,504 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-25 23:07:05,506 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-25 23:07:05,507 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-25 23:07:05,507 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-25 23:07:05,508 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c
[2023-12-25 23:07:06,669 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-25 23:07:06,907 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-25 23:07:06,908 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c
[2023-12-25 23:07:06,920 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235ee7f35/6df96e361eff40fea5548987406968d6/FLAGf9ed6bc5f
[2023-12-25 23:07:06,934 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235ee7f35/6df96e361eff40fea5548987406968d6
[2023-12-25 23:07:06,936 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-25 23:07:06,937 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-25 23:07:06,941 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-25 23:07:06,941 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-25 23:07:06,944 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-25 23:07:06,945 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 11:07:06" (1/1) ...
[2023-12-25 23:07:06,945 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2111ae92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:06, skipping insertion in model container
[2023-12-25 23:07:06,946 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 11:07:06" (1/1) ...
[2023-12-25 23:07:06,981 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 23:07:07,100 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.vis_QF_BV_spinner32.c[1259,1272]
[2023-12-25 23:07:07,194 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 23:07:07,202 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-25 23:07:07,210 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.vis_QF_BV_spinner32.c[1259,1272]
[2023-12-25 23:07:07,251 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 23:07:07,262 INFO  L206         MainTranslator]: Completed translation
[2023-12-25 23:07:07,263 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07 WrapperNode
[2023-12-25 23:07:07,263 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-25 23:07:07,264 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-25 23:07:07,264 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-25 23:07:07,264 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-25 23:07:07,269 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,280 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,340 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 484
[2023-12-25 23:07:07,340 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-25 23:07:07,341 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-25 23:07:07,341 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-25 23:07:07,341 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-25 23:07:07,351 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,351 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,361 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,390 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].
[2023-12-25 23:07:07,391 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,391 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,406 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,411 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,417 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,421 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,432 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-25 23:07:07,433 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-25 23:07:07,433 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-25 23:07:07,433 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-25 23:07:07,434 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (1/1) ...
[2023-12-25 23:07:07,447 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 23:07:07,458 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 23:07:07,471 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)
[2023-12-25 23:07:07,479 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
[2023-12-25 23:07:07,505 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-25 23:07:07,505 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-25 23:07:07,506 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-25 23:07:07,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-25 23:07:07,621 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-25 23:07:07,622 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-25 23:07:08,185 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-25 23:07:08,220 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-25 23:07:08,220 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-25 23:07:08,220 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 11:07:08 BoogieIcfgContainer
[2023-12-25 23:07:08,221 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-25 23:07:08,224 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-25 23:07:08,224 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-25 23:07:08,226 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-25 23:07:08,226 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 11:07:06" (1/3) ...
[2023-12-25 23:07:08,227 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52462fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 11:07:08, skipping insertion in model container
[2023-12-25 23:07:08,227 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:07:07" (2/3) ...
[2023-12-25 23:07:08,227 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52462fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 11:07:08, skipping insertion in model container
[2023-12-25 23:07:08,227 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 11:07:08" (3/3) ...
[2023-12-25 23:07:08,228 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_spinner32.c
[2023-12-25 23:07:08,242 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-25 23:07:08,242 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-25 23:07:08,281 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-25 23:07:08,287 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;@9b99614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-25 23:07:08,287 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-25 23:07:08,291 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 92 states, 90 states have (on average 1.6666666666666667) internal successors, (150), 91 states have internal predecessors, (150), 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)
[2023-12-25 23:07:08,296 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-12-25 23:07:08,297 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 23:07:08,297 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 23:07:08,298 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 23:07:08,307 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 23:07:08,308 INFO  L85        PathProgramCache]: Analyzing trace with hash 2053225890, now seen corresponding path program 1 times
[2023-12-25 23:07:08,319 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 23:07:08,319 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603209906]
[2023-12-25 23:07:08,319 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 23:07:08,320 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 23:07:08,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 23:07:08,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 23:07:08,755 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 23:07:08,755 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603209906]
[2023-12-25 23:07:08,756 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603209906] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 23:07:08,756 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 23:07:08,756 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-25 23:07:08,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489718835]
[2023-12-25 23:07:08,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 23:07:08,762 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 23:07:08,762 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 23:07:08,785 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 23:07:08,785 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 23:07:08,787 INFO  L87              Difference]: Start difference. First operand  has 92 states, 90 states have (on average 1.6666666666666667) internal successors, (150), 91 states have internal predecessors, (150), 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 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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)
[2023-12-25 23:07:08,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 23:07:08,855 INFO  L93              Difference]: Finished difference Result 174 states and 286 transitions.
[2023-12-25 23:07:08,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 23:07:08,858 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16
[2023-12-25 23:07:08,859 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 23:07:08,866 INFO  L225             Difference]: With dead ends: 174
[2023-12-25 23:07:08,866 INFO  L226             Difference]: Without dead ends: 92
[2023-12-25 23:07:08,873 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
[2023-12-25 23:07:08,876 INFO  L413           NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 424 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
[2023-12-25 23:07:08,877 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 424 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 23:07:08,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2023-12-25 23:07:08,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2023-12-25 23:07:08,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 91 states have (on average 1.6263736263736264) internal successors, (148), 91 states have internal predecessors, (148), 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)
[2023-12-25 23:07:08,913 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 148 transitions.
[2023-12-25 23:07:08,914 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 148 transitions. Word has length 16
[2023-12-25 23:07:08,914 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 23:07:08,915 INFO  L495      AbstractCegarLoop]: Abstraction has 92 states and 148 transitions.
[2023-12-25 23:07:08,915 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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)
[2023-12-25 23:07:08,915 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions.
[2023-12-25 23:07:08,916 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-25 23:07:08,916 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 23:07:08,916 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 23:07:08,916 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-25 23:07:08,916 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 23:07:08,917 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 23:07:08,917 INFO  L85        PathProgramCache]: Analyzing trace with hash -772722248, now seen corresponding path program 1 times
[2023-12-25 23:07:08,917 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 23:07:08,918 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418089763]
[2023-12-25 23:07:08,918 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 23:07:08,918 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 23:07:08,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 23:07:09,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 23:07:09,050 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 23:07:09,051 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418089763]
[2023-12-25 23:07:09,051 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418089763] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 23:07:09,051 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 23:07:09,051 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-25 23:07:09,051 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460738154]
[2023-12-25 23:07:09,052 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 23:07:09,054 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 23:07:09,057 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 23:07:09,057 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 23:07:09,057 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 23:07:09,058 INFO  L87              Difference]: Start difference. First operand 92 states and 148 transitions. Second operand  has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2023-12-25 23:07:09,097 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 23:07:09,097 INFO  L93              Difference]: Finished difference Result 177 states and 284 transitions.
[2023-12-25 23:07:09,098 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 23:07:09,099 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17
[2023-12-25 23:07:09,099 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 23:07:09,099 INFO  L225             Difference]: With dead ends: 177
[2023-12-25 23:07:09,099 INFO  L226             Difference]: Without dead ends: 95
[2023-12-25 23:07:09,100 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
[2023-12-25 23:07:09,101 INFO  L413           NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 422 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
[2023-12-25 23:07:09,102 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 422 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 23:07:09,102 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2023-12-25 23:07:09,107 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94.
[2023-12-25 23:07:09,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 93 states have (on average 1.6129032258064515) internal successors, (150), 93 states have internal predecessors, (150), 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)
[2023-12-25 23:07:09,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 150 transitions.
[2023-12-25 23:07:09,109 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 150 transitions. Word has length 17
[2023-12-25 23:07:09,109 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 23:07:09,109 INFO  L495      AbstractCegarLoop]: Abstraction has 94 states and 150 transitions.
[2023-12-25 23:07:09,109 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2023-12-25 23:07:09,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions.
[2023-12-25 23:07:09,110 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-25 23:07:09,110 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 23:07:09,110 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 23:07:09,110 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-25 23:07:09,110 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 23:07:09,111 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 23:07:09,111 INFO  L85        PathProgramCache]: Analyzing trace with hash 1603194234, now seen corresponding path program 1 times
[2023-12-25 23:07:09,111 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 23:07:09,111 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783514619]
[2023-12-25 23:07:09,111 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 23:07:09,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 23:07:09,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 23:07:09,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 23:07:09,402 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 23:07:09,403 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783514619]
[2023-12-25 23:07:09,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783514619] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 23:07:09,403 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 23:07:09,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-25 23:07:09,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419518112]
[2023-12-25 23:07:09,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 23:07:09,404 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-25 23:07:09,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 23:07:09,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-25 23:07:09,406 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-25 23:07:09,408 INFO  L87              Difference]: Start difference. First operand 94 states and 150 transitions. Second operand  has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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)
[2023-12-25 23:07:09,488 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 23:07:09,489 INFO  L93              Difference]: Finished difference Result 258 states and 414 transitions.
[2023-12-25 23:07:09,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-25 23:07:09,489 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18
[2023-12-25 23:07:09,490 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 23:07:09,494 INFO  L225             Difference]: With dead ends: 258
[2023-12-25 23:07:09,494 INFO  L226             Difference]: Without dead ends: 174
[2023-12-25 23:07:09,497 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-25 23:07:09,499 INFO  L413           NwaCegarLoop]: 143 mSDtfsCounter, 638 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 23:07:09,501 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 299 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 23:07:09,502 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2023-12-25 23:07:09,509 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 92.
[2023-12-25 23:07:09,509 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 91 states have (on average 1.6043956043956045) internal successors, (146), 91 states have internal predecessors, (146), 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)
[2023-12-25 23:07:09,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 146 transitions.
[2023-12-25 23:07:09,510 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 146 transitions. Word has length 18
[2023-12-25 23:07:09,510 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 23:07:09,510 INFO  L495      AbstractCegarLoop]: Abstraction has 92 states and 146 transitions.
[2023-12-25 23:07:09,510 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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)
[2023-12-25 23:07:09,510 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions.
[2023-12-25 23:07:09,511 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-25 23:07:09,511 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 23:07:09,511 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 23:07:09,511 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-25 23:07:09,511 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 23:07:09,511 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 23:07:09,511 INFO  L85        PathProgramCache]: Analyzing trace with hash -916765700, now seen corresponding path program 1 times
[2023-12-25 23:07:09,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 23:07:09,512 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917452753]
[2023-12-25 23:07:09,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 23:07:09,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 23:07:09,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 23:07:09,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 23:07:09,821 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 23:07:09,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917452753]
[2023-12-25 23:07:09,821 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917452753] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 23:07:09,821 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 23:07:09,821 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-25 23:07:09,821 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201753737]
[2023-12-25 23:07:09,821 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 23:07:09,822 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-25 23:07:09,822 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 23:07:09,822 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-25 23:07:09,823 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2023-12-25 23:07:09,823 INFO  L87              Difference]: Start difference. First operand 92 states and 146 transitions. Second operand  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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)
[2023-12-25 23:07:10,012 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 23:07:10,012 INFO  L93              Difference]: Finished difference Result 178 states and 282 transitions.
[2023-12-25 23:07:10,012 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-12-25 23:07:10,013 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 18
[2023-12-25 23:07:10,013 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 23:07:10,014 INFO  L225             Difference]: With dead ends: 178
[2023-12-25 23:07:10,014 INFO  L226             Difference]: Without dead ends: 96
[2023-12-25 23:07:10,017 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2023-12-25 23:07:10,022 INFO  L413           NwaCegarLoop]: 105 mSDtfsCounter, 262 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-25 23:07:10,023 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 325 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-25 23:07:10,025 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2023-12-25 23:07:10,034 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92.
[2023-12-25 23:07:10,034 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 91 states have (on average 1.5934065934065933) internal successors, (145), 91 states have internal predecessors, (145), 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)
[2023-12-25 23:07:10,035 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 145 transitions.
[2023-12-25 23:07:10,035 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 145 transitions. Word has length 18
[2023-12-25 23:07:10,035 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 23:07:10,035 INFO  L495      AbstractCegarLoop]: Abstraction has 92 states and 145 transitions.
[2023-12-25 23:07:10,035 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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)
[2023-12-25 23:07:10,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions.
[2023-12-25 23:07:10,036 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-25 23:07:10,036 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 23:07:10,036 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 23:07:10,036 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-25 23:07:10,036 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 23:07:10,037 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 23:07:10,037 INFO  L85        PathProgramCache]: Analyzing trace with hash -916825282, now seen corresponding path program 1 times
[2023-12-25 23:07:10,037 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 23:07:10,037 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745356683]
[2023-12-25 23:07:10,037 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 23:07:10,038 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 23:07:10,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 23:07:10,057 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-25 23:07:10,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 23:07:10,109 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-25 23:07:10,109 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-25 23:07:10,110 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-25 23:07:10,113 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-25 23:07:10,116 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-25 23:07:10,119 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-25 23:07:10,154 WARN  L320   BoogieBacktranslator]: Removing null node from list of ATEs: ATE  program state null
[2023-12-25 23:07:10,162 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 11:07:10 BoogieIcfgContainer
[2023-12-25 23:07:10,163 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-25 23:07:10,163 INFO  L158              Benchmark]: Toolchain (without parser) took 3226.20ms. Allocated memory was 205.5MB in the beginning and 255.9MB in the end (delta: 50.3MB). Free memory was 160.7MB in the beginning and 201.4MB in the end (delta: -40.7MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB.
[2023-12-25 23:07:10,163 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 205.5MB. Free memory was 163.7MB in the beginning and 163.6MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 23:07:10,163 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 322.70ms. Allocated memory is still 205.5MB. Free memory was 160.7MB in the beginning and 143.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB.
[2023-12-25 23:07:10,163 INFO  L158              Benchmark]: Boogie Procedure Inliner took 76.53ms. Allocated memory is still 205.5MB. Free memory was 143.2MB in the beginning and 134.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
[2023-12-25 23:07:10,164 INFO  L158              Benchmark]: Boogie Preprocessor took 90.96ms. Allocated memory is still 205.5MB. Free memory was 134.8MB in the beginning and 129.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB.
[2023-12-25 23:07:10,164 INFO  L158              Benchmark]: RCFGBuilder took 789.07ms. Allocated memory is still 205.5MB. Free memory was 129.2MB in the beginning and 135.8MB in the end (delta: -6.6MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB.
[2023-12-25 23:07:10,168 INFO  L158              Benchmark]: TraceAbstraction took 1939.02ms. Allocated memory was 205.5MB in the beginning and 255.9MB in the end (delta: 50.3MB). Free memory was 135.2MB in the beginning and 201.4MB in the end (delta: -66.1MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 23:07:10,170 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 205.5MB. Free memory was 163.7MB in the beginning and 163.6MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 322.70ms. Allocated memory is still 205.5MB. Free memory was 160.7MB in the beginning and 143.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 76.53ms. Allocated memory is still 205.5MB. Free memory was 143.2MB in the beginning and 134.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 90.96ms. Allocated memory is still 205.5MB. Free memory was 134.8MB in the beginning and 129.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB.
 * RCFGBuilder took 789.07ms. Allocated memory is still 205.5MB. Free memory was 129.2MB in the beginning and 135.8MB in the end (delta: -6.6MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1939.02ms. Allocated memory was 205.5MB in the beginning and 255.9MB in the end (delta: 50.3MB). Free memory was 135.2MB in the beginning and 201.4MB in the end (delta: -66.1MB). 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 bitwiseAnd at line 104. 
Possible FailurePath: 
[L26]              const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5);
[L27]              const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1);
[L29]              const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1);
[L30]              const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1);
[L32]              const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32);
[L33]              const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1);
[L35]              const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 31);
[L36]              const SORT_25 msb_SORT_25 = (SORT_25)1 << (31 - 1);
[L38]              const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 30);
[L39]              const SORT_35 msb_SORT_35 = (SORT_35)1 << (30 - 1);
[L41]              const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 29);
[L42]              const SORT_37 msb_SORT_37 = (SORT_37)1 << (29 - 1);
[L44]              const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 2);
[L45]              const SORT_43 msb_SORT_43 = (SORT_43)1 << (2 - 1);
[L47]              const SORT_49 mask_SORT_49 = (SORT_49)-1 >> (sizeof(SORT_49) * 8 - 28);
[L48]              const SORT_49 msb_SORT_49 = (SORT_49)1 << (28 - 1);
[L50]              const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 26);
[L51]              const SORT_51 msb_SORT_51 = (SORT_51)1 << (26 - 1);
[L53]              const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 4);
[L54]              const SORT_57 msb_SORT_57 = (SORT_57)1 << (4 - 1);
[L56]              const SORT_63 mask_SORT_63 = (SORT_63)-1 >> (sizeof(SORT_63) * 8 - 24);
[L57]              const SORT_63 msb_SORT_63 = (SORT_63)1 << (24 - 1);
[L59]              const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 20);
[L60]              const SORT_65 msb_SORT_65 = (SORT_65)1 << (20 - 1);
[L62]              const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 8);
[L63]              const SORT_71 msb_SORT_71 = (SORT_71)1 << (8 - 1);
[L65]              const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 16);
[L66]              const SORT_77 msb_SORT_77 = (SORT_77)1 << (16 - 1);
[L68]              const SORT_5 var_8 = 0;
[L69]              const SORT_5 var_11 = 2863311530;
[L70]              const SORT_3 var_15 = 1;
[L71]              const SORT_3 var_22 = 0;
[L73]              SORT_1 input_2;
[L74]              SORT_3 input_4;
[L75]              SORT_5 input_6;
[L76]              SORT_3 input_7;
[L78]   EXPR       __VERIFIER_nondet_uint() & mask_SORT_5
        VAL        [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, var_11=2863311530, var_15=1, var_22=0, var_8=0]
[L78]              SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5;
[L79]   EXPR       __VERIFIER_nondet_uint() & mask_SORT_5
        VAL        [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0]
[L79]              SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5;
[L80]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_3
        VAL        [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0]
[L80]              SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3;
[L82]              SORT_5 init_10_arg_1 = var_8;
[L83]              state_9 = init_10_arg_1
[L84]              SORT_5 init_20_arg_1 = var_8;
[L85]              state_19 = init_20_arg_1
[L86]              SORT_3 init_24_arg_1 = var_22;
[L87]              state_23 = init_24_arg_1
        VAL        [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0]
[L90]              input_2 = __VERIFIER_nondet_uchar()
[L91]              input_4 = __VERIFIER_nondet_uchar()
[L92]              input_6 = __VERIFIER_nondet_uint()
[L93]              input_7 = __VERIFIER_nondet_uchar()
[L94]   EXPR       input_7 & mask_SORT_3
        VAL        [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0]
[L94]              input_7 = input_7 & mask_SORT_3
[L97]              SORT_5 var_12_arg_0 = state_9;
[L98]              SORT_5 var_12_arg_1 = var_11;
[L99]              SORT_3 var_12 = var_12_arg_0 != var_12_arg_1;
[L100]             SORT_3 var_16_arg_0 = var_12;
[L101]             SORT_3 var_16 = ~var_16_arg_0;
[L102]             SORT_3 var_17_arg_0 = var_15;
[L103]             SORT_3 var_17_arg_1 = var_16;
        VAL        [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0]
[L104]  EXPR       var_17_arg_0 & var_17_arg_1
        VAL        [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0]
[L104]             SORT_3 var_17 = var_17_arg_0 & var_17_arg_1;
[L105]  EXPR       var_17 & mask_SORT_3
        VAL        [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0]
[L105]             var_17 = var_17 & mask_SORT_3
[L106]             SORT_3 bad_18_arg_0 = var_17;
[L107]  CALL       __VERIFIER_assert(!(bad_18_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, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 902 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 902 mSDsluCounter, 1470 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 936 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 534 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=2, InterpolantAutomatonStates: 21, 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, 87 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 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
[2023-12-25 23:07:10,189 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...