/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.exit.2.prop1-func-interl.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 19:23:31,259 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 19:23:31,333 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 19:23:31,338 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 19:23:31,339 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 19:23:31,360 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 19:23:31,361 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 19:23:31,361 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 19:23:31,361 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 19:23:31,364 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 19:23:31,364 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 19:23:31,365 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 19:23:31,365 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 19:23:31,366 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 19:23:31,366 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 19:23:31,366 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 19:23:31,366 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 19:23:31,367 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-16 19:23:31,367 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 19:23:31,368 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 19:23:31,368 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 19:23:31,368 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 19:23:31,368 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 19:23:31,368 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 19:23:31,368 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 19:23:31,369 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 19:23:31,369 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 19:23:31,369 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 19:23:31,369 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 19:23:31,369 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:23:31,370 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 19:23:31,370 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 19:23:31,370 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 19:23:31,370 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-16 19:23:31,371 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 19:23:31,371 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 19:23:31,371 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 19:23:31,371 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 19:23:31,371 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 19:23:31,371 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 19:23:31,371 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-16 19:23:31,531 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 19:23:31,550 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 19:23:31,552 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 19:23:31,553 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 19:23:31,553 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 19:23:31,554 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c
[2023-12-16 19:23:32,715 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 19:23:32,975 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 19:23:32,976 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c
[2023-12-16 19:23:32,995 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/060d8b295/61949f92b5bb4cfaa8f6fe351779ec9f/FLAG26c38fbfe
[2023-12-16 19:23:33,007 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/060d8b295/61949f92b5bb4cfaa8f6fe351779ec9f
[2023-12-16 19:23:33,010 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 19:23:33,012 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 19:23:33,014 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 19:23:33,014 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 19:23:33,017 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 19:23:33,017 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:23:33" (1/1) ...
[2023-12-16 19:23:33,018 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9cc318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:33, skipping insertion in model container
[2023-12-16 19:23:33,018 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:23:33" (1/1) ...
[2023-12-16 19:23:33,081 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 19:23:33,237 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.exit.2.prop1-func-interl.c[1171,1184]
[2023-12-16 19:23:33,699 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:23:33,706 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 19:23:33,714 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.exit.2.prop1-func-interl.c[1171,1184]
[2023-12-16 19:23:33,995 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:23:34,020 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 19:23:34,021 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34 WrapperNode
[2023-12-16 19:23:34,021 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 19:23:34,022 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 19:23:34,022 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 19:23:34,022 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 19:23:34,026 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:34,141 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:35,446 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16248
[2023-12-16 19:23:35,446 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 19:23:35,447 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 19:23:35,447 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 19:23:35,447 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 19:23:35,454 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:35,455 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:36,007 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:36,312 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 19:23:36,312 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:36,312 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:36,846 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:36,924 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:37,072 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:37,150 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:37,510 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 19:23:37,511 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 19:23:37,511 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 19:23:37,511 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 19:23:37,512 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (1/1) ...
[2023-12-16 19:23:37,516 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:23:37,523 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 19:23:37,551 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 19:23:37,574 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 19:23:37,595 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 19:23:37,595 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 19:23:37,595 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 19:23:37,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 19:23:38,335 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 19:23:38,337 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 19:23:46,890 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 19:23:47,057 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 19:23:47,057 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 19:23:47,058 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:23:47 BoogieIcfgContainer
[2023-12-16 19:23:47,059 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 19:23:47,060 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 19:23:47,060 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 19:23:47,063 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 19:23:47,063 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:23:33" (1/3) ...
[2023-12-16 19:23:47,063 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e80e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:23:47, skipping insertion in model container
[2023-12-16 19:23:47,064 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:23:34" (2/3) ...
[2023-12-16 19:23:47,064 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e80e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:23:47, skipping insertion in model container
[2023-12-16 19:23:47,064 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:23:47" (3/3) ...
[2023-12-16 19:23:47,065 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.exit.2.prop1-func-interl.c
[2023-12-16 19:23:47,076 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 19:23:47,076 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 19:23:47,158 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 19:23:47,163 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;@227a779c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 19:23:47,163 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 19:23:47,175 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3557 states, 3555 states have (on average 1.6666666666666667) internal successors, (5925), 3556 states have internal predecessors, (5925), 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 19:23:47,200 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 291
[2023-12-16 19:23:47,201 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:23:47,202 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:23:47,203 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:23:47,209 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:23:47,210 INFO  L85        PathProgramCache]: Analyzing trace with hash -1410184336, now seen corresponding path program 1 times
[2023-12-16 19:23:47,216 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:23:47,216 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940107585]
[2023-12-16 19:23:47,216 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:23:47,217 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:23:47,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:23:48,397 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 19:23:48,398 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:23:48,398 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940107585]
[2023-12-16 19:23:48,398 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940107585] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:23:48,398 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:23:48,398 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:23:48,400 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702450907]
[2023-12-16 19:23:48,400 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:23:48,405 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:23:48,406 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:23:48,427 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:23:48,428 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:23:48,435 INFO  L87              Difference]: Start difference. First operand  has 3557 states, 3555 states have (on average 1.6666666666666667) internal successors, (5925), 3556 states have internal predecessors, (5925), 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 5 states, 5 states have (on average 58.0) internal successors, (290), 4 states have internal predecessors, (290), 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 19:23:51,224 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:23:51,225 INFO  L93              Difference]: Finished difference Result 10359 states and 17261 transitions.
[2023-12-16 19:23:51,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-16 19:23:51,227 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 58.0) internal successors, (290), 4 states have internal predecessors, (290), 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 290
[2023-12-16 19:23:51,229 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:23:51,262 INFO  L225             Difference]: With dead ends: 10359
[2023-12-16 19:23:51,263 INFO  L226             Difference]: Without dead ends: 6956
[2023-12-16 19:23:51,274 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-16 19:23:51,278 INFO  L413           NwaCegarLoop]: 4769 mSDtfsCounter, 16971 mSDsluCounter, 9532 mSDsCounter, 0 mSdLazyCounter, 3461 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16971 SdHoareTripleChecker+Valid, 14301 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2023-12-16 19:23:51,279 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [16971 Valid, 14301 Invalid, 3461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3461 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2023-12-16 19:23:51,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6956 states.
[2023-12-16 19:23:51,389 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 3824.
[2023-12-16 19:23:51,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3824 states, 3823 states have (on average 1.6657075595082396) internal successors, (6368), 3823 states have internal predecessors, (6368), 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 19:23:51,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 6368 transitions.
[2023-12-16 19:23:51,406 INFO  L78                 Accepts]: Start accepts. Automaton has 3824 states and 6368 transitions. Word has length 290
[2023-12-16 19:23:51,409 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:23:51,409 INFO  L495      AbstractCegarLoop]: Abstraction has 3824 states and 6368 transitions.
[2023-12-16 19:23:51,409 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 58.0) internal successors, (290), 4 states have internal predecessors, (290), 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 19:23:51,409 INFO  L276                IsEmpty]: Start isEmpty. Operand 3824 states and 6368 transitions.
[2023-12-16 19:23:51,412 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2023-12-16 19:23:51,413 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:23:51,413 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:23:51,413 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 19:23:51,413 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:23:51,413 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:23:51,414 INFO  L85        PathProgramCache]: Analyzing trace with hash -1390503132, now seen corresponding path program 1 times
[2023-12-16 19:23:51,414 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:23:51,414 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95149165]
[2023-12-16 19:23:51,414 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:23:51,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:23:51,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:23:52,173 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 19:23:52,173 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:23:52,174 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95149165]
[2023-12-16 19:23:52,174 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95149165] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:23:52,174 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:23:52,174 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:23:52,174 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290803886]
[2023-12-16 19:23:52,174 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:23:52,175 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:23:52,175 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:23:52,176 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:23:52,176 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:23:52,176 INFO  L87              Difference]: Start difference. First operand 3824 states and 6368 transitions. Second operand  has 5 states, 5 states have (on average 58.2) internal successors, (291), 4 states have internal predecessors, (291), 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 19:23:54,845 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:23:54,846 INFO  L93              Difference]: Finished difference Result 10357 states and 17250 transitions.
[2023-12-16 19:23:54,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-16 19:23:54,850 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 58.2) internal successors, (291), 4 states have internal predecessors, (291), 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 291
[2023-12-16 19:23:54,851 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:23:54,885 INFO  L225             Difference]: With dead ends: 10357
[2023-12-16 19:23:54,885 INFO  L226             Difference]: Without dead ends: 6956
[2023-12-16 19:23:54,889 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-16 19:23:54,890 INFO  L413           NwaCegarLoop]: 4769 mSDtfsCounter, 16967 mSDsluCounter, 9532 mSDsCounter, 0 mSdLazyCounter, 3461 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16967 SdHoareTripleChecker+Valid, 14301 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2023-12-16 19:23:54,890 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [16967 Valid, 14301 Invalid, 3461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3461 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2023-12-16 19:23:54,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6956 states.
[2023-12-16 19:23:54,944 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 3825.
[2023-12-16 19:23:54,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3825 states, 3824 states have (on average 1.6655334728033473) internal successors, (6369), 3824 states have internal predecessors, (6369), 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 19:23:54,956 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3825 states and 6369 transitions.
[2023-12-16 19:23:54,956 INFO  L78                 Accepts]: Start accepts. Automaton has 3825 states and 6369 transitions. Word has length 291
[2023-12-16 19:23:54,956 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:23:54,956 INFO  L495      AbstractCegarLoop]: Abstraction has 3825 states and 6369 transitions.
[2023-12-16 19:23:54,957 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 58.2) internal successors, (291), 4 states have internal predecessors, (291), 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 19:23:54,957 INFO  L276                IsEmpty]: Start isEmpty. Operand 3825 states and 6369 transitions.
[2023-12-16 19:23:54,959 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2023-12-16 19:23:54,959 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:23:54,959 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:23:54,959 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 19:23:54,960 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:23:54,960 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:23:54,960 INFO  L85        PathProgramCache]: Analyzing trace with hash 2095117538, now seen corresponding path program 1 times
[2023-12-16 19:23:54,960 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:23:54,961 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543320111]
[2023-12-16 19:23:54,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:23:54,961 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:23:55,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:23:55,486 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 19:23:55,487 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:23:55,488 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543320111]
[2023-12-16 19:23:55,488 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543320111] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:23:55,488 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:23:55,488 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:23:55,488 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717249627]
[2023-12-16 19:23:55,488 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:23:55,489 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:23:55,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:23:55,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:23:55,492 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:23:55,492 INFO  L87              Difference]: Start difference. First operand 3825 states and 6369 transitions. Second operand  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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 19:23:55,557 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:23:55,557 INFO  L93              Difference]: Finished difference Result 3829 states and 6373 transitions.
[2023-12-16 19:23:55,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:23:55,558 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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 291
[2023-12-16 19:23:55,558 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:23:55,569 INFO  L225             Difference]: With dead ends: 3829
[2023-12-16 19:23:55,569 INFO  L226             Difference]: Without dead ends: 3827
[2023-12-16 19:23:55,571 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 19:23:55,573 INFO  L413           NwaCegarLoop]: 5918 mSDtfsCounter, 1 mSDsluCounter, 11831 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17749 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 19:23:55,574 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17749 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:23:55,578 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3827 states.
[2023-12-16 19:23:55,626 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827.
[2023-12-16 19:23:55,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3827 states, 3826 states have (on average 1.6651855723993727) internal successors, (6371), 3826 states have internal predecessors, (6371), 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 19:23:55,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 6371 transitions.
[2023-12-16 19:23:55,638 INFO  L78                 Accepts]: Start accepts. Automaton has 3827 states and 6371 transitions. Word has length 291
[2023-12-16 19:23:55,638 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:23:55,638 INFO  L495      AbstractCegarLoop]: Abstraction has 3827 states and 6371 transitions.
[2023-12-16 19:23:55,639 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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 19:23:55,640 INFO  L276                IsEmpty]: Start isEmpty. Operand 3827 states and 6371 transitions.
[2023-12-16 19:23:55,644 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2023-12-16 19:23:55,644 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:23:55,647 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, 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, 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, 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, 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, 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, 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, 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, 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, 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 19:23:55,648 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 19:23:55,648 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:23:55,648 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:23:55,648 INFO  L85        PathProgramCache]: Analyzing trace with hash 525860902, now seen corresponding path program 1 times
[2023-12-16 19:23:55,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:23:55,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017518609]
[2023-12-16 19:23:55,649 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:23:55,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:23:55,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:23:55,998 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 19:23:55,998 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:23:55,998 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017518609]
[2023-12-16 19:23:55,999 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017518609] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:23:55,999 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:23:55,999 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:23:55,999 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079351150]
[2023-12-16 19:23:55,999 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:23:55,999 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:23:55,999 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:23:56,000 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:23:56,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:23:56,000 INFO  L87              Difference]: Start difference. First operand 3827 states and 6371 transitions. Second operand  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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 19:23:56,076 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:23:56,076 INFO  L93              Difference]: Finished difference Result 7233 states and 12042 transitions.
[2023-12-16 19:23:56,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:23:56,077 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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 292
[2023-12-16 19:23:56,077 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:23:56,087 INFO  L225             Difference]: With dead ends: 7233
[2023-12-16 19:23:56,087 INFO  L226             Difference]: Without dead ends: 3830
[2023-12-16 19:23:56,092 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 19:23:56,096 INFO  L413           NwaCegarLoop]: 5918 mSDtfsCounter, 1 mSDsluCounter, 11829 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17747 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 19:23:56,097 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17747 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:23:56,102 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3830 states.
[2023-12-16 19:23:56,139 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3829.
[2023-12-16 19:23:56,154 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3829 states, 3828 states have (on average 1.6648380355276906) internal successors, (6373), 3828 states have internal predecessors, (6373), 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 19:23:56,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 6373 transitions.
[2023-12-16 19:23:56,160 INFO  L78                 Accepts]: Start accepts. Automaton has 3829 states and 6373 transitions. Word has length 292
[2023-12-16 19:23:56,161 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:23:56,161 INFO  L495      AbstractCegarLoop]: Abstraction has 3829 states and 6373 transitions.
[2023-12-16 19:23:56,161 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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 19:23:56,161 INFO  L276                IsEmpty]: Start isEmpty. Operand 3829 states and 6373 transitions.
[2023-12-16 19:23:56,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2023-12-16 19:23:56,163 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:23:56,163 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, 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, 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, 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, 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, 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, 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, 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, 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, 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 19:23:56,164 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-16 19:23:56,164 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:23:56,164 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:23:56,164 INFO  L85        PathProgramCache]: Analyzing trace with hash 686395390, now seen corresponding path program 1 times
[2023-12-16 19:23:56,164 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:23:56,164 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286858875]
[2023-12-16 19:23:56,164 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:23:56,164 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:23:56,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:23:57,010 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 19:23:57,010 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:23:57,011 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286858875]
[2023-12-16 19:23:57,011 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286858875] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:23:57,011 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:23:57,011 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:23:57,011 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13333620]
[2023-12-16 19:23:57,011 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:23:57,012 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-16 19:23:57,012 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:23:57,012 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-16 19:23:57,013 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:23:57,013 INFO  L87              Difference]: Start difference. First operand 3829 states and 6373 transitions. Second operand  has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 5 states have internal predecessors, (293), 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 19:23:57,256 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:23:57,256 INFO  L93              Difference]: Finished difference Result 10632 states and 17701 transitions.
[2023-12-16 19:23:57,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-16 19:23:57,257 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 5 states have internal predecessors, (293), 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 293
[2023-12-16 19:23:57,258 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:23:57,283 INFO  L225             Difference]: With dead ends: 10632
[2023-12-16 19:23:57,284 INFO  L226             Difference]: Without dead ends: 7227
[2023-12-16 19:23:57,290 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2023-12-16 19:23:57,291 INFO  L413           NwaCegarLoop]: 6362 mSDtfsCounter, 28709 mSDsluCounter, 17744 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28709 SdHoareTripleChecker+Valid, 24106 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 19:23:57,291 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [28709 Valid, 24106 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:23:57,297 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7227 states.
[2023-12-16 19:23:57,357 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7227 to 3831.
[2023-12-16 19:23:57,361 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3831 states, 3830 states have (on average 1.664490861618799) internal successors, (6375), 3830 states have internal predecessors, (6375), 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 19:23:57,370 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 6375 transitions.
[2023-12-16 19:23:57,370 INFO  L78                 Accepts]: Start accepts. Automaton has 3831 states and 6375 transitions. Word has length 293
[2023-12-16 19:23:57,371 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:23:57,371 INFO  L495      AbstractCegarLoop]: Abstraction has 3831 states and 6375 transitions.
[2023-12-16 19:23:57,371 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 5 states have internal predecessors, (293), 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 19:23:57,371 INFO  L276                IsEmpty]: Start isEmpty. Operand 3831 states and 6375 transitions.
[2023-12-16 19:23:57,456 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2561
[2023-12-16 19:23:57,457 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:23:57,458 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 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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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:23:57,458 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-16 19:23:57,458 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:23:57,458 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:23:57,459 INFO  L85        PathProgramCache]: Analyzing trace with hash -1083247338, now seen corresponding path program 1 times
[2023-12-16 19:23:57,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:23:57,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81770166]
[2023-12-16 19:23:57,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:23:57,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:24:00,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:24:04,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 186 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-12-16 19:24:04,653 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:24:04,653 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81770166]
[2023-12-16 19:24:04,653 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81770166] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:24:04,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:24:04,654 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:24:04,654 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089420535]
[2023-12-16 19:24:04,654 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:24:04,656 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:24:04,656 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:24:04,658 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:24:04,658 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:24:04,658 INFO  L87              Difference]: Start difference. First operand 3831 states and 6375 transitions. Second operand  has 4 states, 4 states have (on average 595.25) internal successors, (2381), 4 states have internal predecessors, (2381), 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 19:24:04,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:24:04,775 INFO  L93              Difference]: Finished difference Result 10631 states and 17698 transitions.
[2023-12-16 19:24:04,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:24:04,776 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 595.25) internal successors, (2381), 4 states have internal predecessors, (2381), 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 2560
[2023-12-16 19:24:04,778 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:24:04,789 INFO  L225             Difference]: With dead ends: 10631
[2023-12-16 19:24:04,789 INFO  L226             Difference]: Without dead ends: 7226
[2023-12-16 19:24:04,793 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 19:24:04,794 INFO  L413           NwaCegarLoop]: 11571 mSDtfsCounter, 5651 mSDsluCounter, 17477 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5651 SdHoareTripleChecker+Valid, 29048 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 19:24:04,794 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5651 Valid, 29048 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:24:04,800 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7226 states.
[2023-12-16 19:24:04,850 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 3831.
[2023-12-16 19:24:04,854 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3831 states, 3830 states have (on average 1.664490861618799) internal successors, (6375), 3830 states have internal predecessors, (6375), 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 19:24:04,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 6375 transitions.
[2023-12-16 19:24:04,859 INFO  L78                 Accepts]: Start accepts. Automaton has 3831 states and 6375 transitions. Word has length 2560
[2023-12-16 19:24:04,861 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:24:04,862 INFO  L495      AbstractCegarLoop]: Abstraction has 3831 states and 6375 transitions.
[2023-12-16 19:24:04,862 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 595.25) internal successors, (2381), 4 states have internal predecessors, (2381), 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 19:24:04,862 INFO  L276                IsEmpty]: Start isEmpty. Operand 3831 states and 6375 transitions.
[2023-12-16 19:24:04,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2562
[2023-12-16 19:24:04,962 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:24:04,963 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 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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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:24:04,963 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-12-16 19:24:04,963 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:24:04,964 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:24:04,964 INFO  L85        PathProgramCache]: Analyzing trace with hash 668366070, now seen corresponding path program 1 times
[2023-12-16 19:24:04,964 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:24:04,964 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078160681]
[2023-12-16 19:24:04,964 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:24:04,965 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
Received shutdown request...
[2023-12-16 19:24:25,991 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 19:24:26,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2023-12-16 19:24:26,050 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 19:24:26,050 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-12-16 19:24:26,050 WARN  L619      AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 2562 with TraceHistMax 2,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1078160681] and IpTcStrategyModuleZ3 [1618301179].
[2023-12-16 19:24:26,053 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:24:26,055 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 19:24:26,056 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:24:26 BoogieIcfgContainer
[2023-12-16 19:24:26,056 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 19:24:26,056 INFO  L158              Benchmark]: Toolchain (without parser) took 53044.79ms. Allocated memory was 238.0MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 182.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB.
[2023-12-16 19:24:26,056 INFO  L158              Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 19:24:26,057 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1007.51ms. Allocated memory is still 238.0MB. Free memory was 182.7MB in the beginning and 141.5MB in the end (delta: 41.3MB). Peak memory consumption was 139.5MB. Max. memory is 8.0GB.
[2023-12-16 19:24:26,057 INFO  L158              Benchmark]: Boogie Procedure Inliner took 1424.57ms. Allocated memory was 238.0MB in the beginning and 952.1MB in the end (delta: 714.1MB). Free memory was 141.5MB in the beginning and 662.0MB in the end (delta: -520.5MB). Peak memory consumption was 246.0MB. Max. memory is 8.0GB.
[2023-12-16 19:24:26,057 INFO  L158              Benchmark]: Boogie Preprocessor took 2063.59ms. Allocated memory is still 952.1MB. Free memory was 662.0MB in the beginning and 566.5MB in the end (delta: 95.4MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB.
[2023-12-16 19:24:26,057 INFO  L158              Benchmark]: RCFGBuilder took 9548.09ms. Allocated memory was 952.1MB in the beginning and 2.7GB in the end (delta: 1.7GB). Free memory was 566.5MB in the beginning and 2.2GB in the end (delta: -1.6GB). Peak memory consumption was 335.0MB. Max. memory is 8.0GB.
[2023-12-16 19:24:26,057 INFO  L158              Benchmark]: TraceAbstraction took 38995.58ms. Allocated memory was 2.7GB in the beginning and 3.0GB in the end (delta: 302.0MB). Free memory was 2.2GB in the beginning and 1.5GB in the end (delta: 666.9MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB.
[2023-12-16 19:24:26,058 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 176.2MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 1007.51ms. Allocated memory is still 238.0MB. Free memory was 182.7MB in the beginning and 141.5MB in the end (delta: 41.3MB). Peak memory consumption was 139.5MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 1424.57ms. Allocated memory was 238.0MB in the beginning and 952.1MB in the end (delta: 714.1MB). Free memory was 141.5MB in the beginning and 662.0MB in the end (delta: -520.5MB). Peak memory consumption was 246.0MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 2063.59ms. Allocated memory is still 952.1MB. Free memory was 662.0MB in the beginning and 566.5MB in the end (delta: 95.4MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB.
 * RCFGBuilder took 9548.09ms. Allocated memory was 952.1MB in the beginning and 2.7GB in the end (delta: 1.7GB). Free memory was 566.5MB in the beginning and 2.2GB in the end (delta: -1.6GB). Peak memory consumption was 335.0MB. Max. memory is 8.0GB.
 * TraceAbstraction took 38995.58ms. Allocated memory was 2.7GB in the beginning and 3.0GB in the end (delta: 302.0MB). Free memory was 2.2GB in the beginning and 1.5GB in the end (delta: 666.9MB). Peak memory consumption was 1.1GB. 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
  - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 2562 with TraceHistMax 2,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1078160681] and IpTcStrategyModuleZ3 [1618301179].
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 3557 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.9s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68300 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68300 mSDsluCounter, 117252 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77945 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6996 IncrementalHoareTripleChecker+Invalid, 6997 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 39307 mSDtfsCounter, 6996 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3831occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 13055 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 4017 NumberOfCodeBlocks, 4017 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 4011 ConstructedInterpolants, 0 QuantifiedInterpolants, 11957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 186/186 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: Timeout
Completed graceful shutdown