/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-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem09_label27.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-22 07:53:11,637 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-22 07:53:11,704 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-22 07:53:11,708 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-22 07:53:11,709 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-22 07:53:11,731 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-22 07:53:11,732 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-22 07:53:11,732 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-22 07:53:11,732 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-22 07:53:11,735 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-22 07:53:11,735 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-22 07:53:11,736 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-22 07:53:11,736 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-22 07:53:11,737 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-22 07:53:11,737 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-22 07:53:11,738 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-22 07:53:11,738 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-22 07:53:11,738 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-22 07:53:11,738 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-22 07:53:11,738 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-22 07:53:11,739 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-22 07:53:11,739 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-22 07:53:11,739 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-22 07:53:11,739 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-22 07:53:11,739 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-22 07:53:11,740 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-22 07:53:11,740 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-22 07:53:11,740 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-22 07:53:11,740 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-22 07:53:11,740 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-22 07:53:11,741 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-22 07:53:11,741 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-22 07:53:11,741 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-22 07:53:11,741 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-22 07:53:11,741 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 07:53:11,742 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-22 07:53:11,742 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-22 07:53:11,742 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-22 07:53:11,742 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-22 07:53:11,742 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-22 07:53:11,742 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-22 07:53:11,743 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-22 07:53:11,743 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-22 07:53:11,743 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-22 07:53:11,743 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-22 07:53:11,743 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-22 07:53:11,743 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-22 07:53:11,937 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-22 07:53:11,960 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-22 07:53:11,962 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-22 07:53:11,963 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-22 07:53:11,963 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-22 07:53:11,964 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label27.c
[2023-12-22 07:53:12,878 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-22 07:53:14,867 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-22 07:53:14,867 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label27.c
[2023-12-22 07:53:15,124 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3040742/cd58a5e10aab4dadabaf9a44c55e99a2/FLAG703c513cf
[2023-12-22 07:53:15,170 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3040742/cd58a5e10aab4dadabaf9a44c55e99a2
[2023-12-22 07:53:15,172 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-22 07:53:15,173 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-22 07:53:15,174 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-22 07:53:15,174 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-22 07:53:15,182 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-22 07:53:15,183 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:53:15" (1/1) ...
[2023-12-22 07:53:15,183 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aee4abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:15, skipping insertion in model container
[2023-12-22 07:53:15,183 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:53:15" (1/1) ...
[2023-12-22 07:53:16,158 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-22 07:53:33,421 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label27.c[6306221,6306234]
[2023-12-22 07:53:33,512 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 07:53:33,522 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-22 07:53:42,690 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label27.c[6306221,6306234]
[2023-12-22 07:53:42,695 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 07:53:46,927 INFO  L206         MainTranslator]: Completed translation
[2023-12-22 07:53:46,928 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46 WrapperNode
[2023-12-22 07:53:46,928 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-22 07:53:46,929 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-22 07:53:46,929 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-22 07:53:46,929 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-22 07:53:46,933 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:48,310 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:53,478 INFO  L138                Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197817
[2023-12-22 07:53:53,478 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-22 07:53:53,479 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-22 07:53:53,479 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-22 07:53:53,479 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-22 07:53:53,500 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:53,501 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:54,848 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:55,865 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].
[2023-12-22 07:53:55,865 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:55,866 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:58,219 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:58,607 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:58,825 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:58,978 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:59,955 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-22 07:53:59,956 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-22 07:53:59,956 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-22 07:53:59,956 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-22 07:53:59,957 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (1/1) ...
[2023-12-22 07:53:59,974 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 07:53:59,988 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-22 07:54:00,028 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)
[2023-12-22 07:54:00,031 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
[2023-12-22 07:54:00,050 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-22 07:54:00,051 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-22 07:54:00,051 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-22 07:54:00,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-22 07:54:00,223 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-22 07:54:00,225 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-22 07:55:30,556 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-22 07:55:30,741 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-22 07:55:30,741 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-22 07:55:30,742 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:55:30 BoogieIcfgContainer
[2023-12-22 07:55:30,742 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-22 07:55:30,745 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-22 07:55:30,745 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-22 07:55:30,747 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-22 07:55:30,747 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:53:15" (1/3) ...
[2023-12-22 07:55:30,748 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783235c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:55:30, skipping insertion in model container
[2023-12-22 07:55:30,748 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:46" (2/3) ...
[2023-12-22 07:55:30,749 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783235c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:55:30, skipping insertion in model container
[2023-12-22 07:55:30,749 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:55:30" (3/3) ...
[2023-12-22 07:55:30,750 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem09_label27.c
[2023-12-22 07:55:30,761 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-22 07:55:30,761 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-22 07:55:30,973 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-22 07:55:30,977 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;@3c2c1943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-22 07:55:30,977 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-22 07:55:31,028 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20294 states, 20292 states have (on average 1.9052828700965898) internal successors, (38662), 20293 states have internal predecessors, (38662), 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)
[2023-12-22 07:55:32,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16504
[2023-12-22 07:55:32,624 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 07:55:32,633 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-12-22 07:55:32,635 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 07:55:32,639 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 07:55:32,645 INFO  L85        PathProgramCache]: Analyzing trace with hash -1249760680, now seen corresponding path program 1 times
[2023-12-22 07:55:32,822 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 07:55:32,822 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846067175]
[2023-12-22 07:55:32,826 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 07:55:32,826 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 07:55:32,826 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 07:55:32,828 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 07:55:32,837 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-22 07:55:40,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 07:55:40,482 INFO  L262         TraceCheckSpWp]: Trace formula consists of 16712 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-22 07:55:40,657 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 07:55:41,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 07:55:41,009 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 07:55:41,010 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 07:55:41,010 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846067175]
[2023-12-22 07:55:41,011 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [846067175] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 07:55:41,011 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 07:55:41,013 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 07:55:41,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039310769]
[2023-12-22 07:55:41,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 07:55:41,034 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-22 07:55:41,034 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 07:55:41,070 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-22 07:55:41,071 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 07:55:41,137 INFO  L87              Difference]: Start difference. First operand  has 20294 states, 20292 states have (on average 1.9052828700965898) internal successors, (38662), 20293 states have internal predecessors, (38662), 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 2 states, 2 states have (on average 8251.5) internal successors, (16503), 2 states have internal predecessors, (16503), 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)
[2023-12-22 07:55:41,566 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 07:55:41,567 INFO  L93              Difference]: Finished difference Result 40587 states and 77323 transitions.
[2023-12-22 07:55:41,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-22 07:55:41,576 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 8251.5) internal successors, (16503), 2 states have internal predecessors, (16503), 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 16503
[2023-12-22 07:55:41,601 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 07:55:41,682 INFO  L225             Difference]: With dead ends: 40587
[2023-12-22 07:55:41,682 INFO  L226             Difference]: Without dead ends: 20292
[2023-12-22 07:55:41,715 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16502 GetRequests, 16502 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 07:55:41,719 INFO  L413           NwaCegarLoop]: 38305 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38305 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-22 07:55:41,720 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38305 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-22 07:55:41,760 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20292 states.
[2023-12-22 07:55:42,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20292 to 20292.
[2023-12-22 07:55:42,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20292 states, 20291 states have (on average 1.8877827608299247) internal successors, (38305), 20291 states have internal predecessors, (38305), 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)
[2023-12-22 07:55:42,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20292 states to 20292 states and 38305 transitions.
[2023-12-22 07:55:42,159 INFO  L78                 Accepts]: Start accepts. Automaton has 20292 states and 38305 transitions. Word has length 16503
[2023-12-22 07:55:42,182 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 07:55:42,182 INFO  L495      AbstractCegarLoop]: Abstraction has 20292 states and 38305 transitions.
[2023-12-22 07:55:42,191 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 8251.5) internal successors, (16503), 2 states have internal predecessors, (16503), 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)
[2023-12-22 07:55:42,192 INFO  L276                IsEmpty]: Start isEmpty. Operand 20292 states and 38305 transitions.
[2023-12-22 07:55:43,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16504
[2023-12-22 07:55:43,923 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 07:55:43,928 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-12-22 07:55:43,957 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-22 07:55:44,129 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 07:55:44,130 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 07:55:44,130 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 07:55:44,134 INFO  L85        PathProgramCache]: Analyzing trace with hash -1418997200, now seen corresponding path program 1 times
[2023-12-22 07:55:44,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 07:55:44,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397935421]
[2023-12-22 07:55:44,281 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 07:55:44,282 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 07:55:44,282 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 07:55:44,283 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-22 07:55:44,284 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-22 07:55:51,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 07:55:51,753 INFO  L262         TraceCheckSpWp]: Trace formula consists of 16712 conjuncts, 92 conjunts are in the unsatisfiable core
[2023-12-22 07:55:52,255 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 08:04:44,360 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 08:04:44,360 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 08:04:44,360 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 08:04:44,364 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397935421]
[2023-12-22 08:04:44,364 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397935421] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 08:04:44,364 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 08:04:44,366 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38
[2023-12-22 08:04:44,367 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487435165]
[2023-12-22 08:04:44,367 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 08:04:44,380 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 39 states
[2023-12-22 08:04:44,381 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 08:04:44,393 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants.
[2023-12-22 08:04:44,395 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1399, Unknown=0, NotChecked=0, Total=1482
[2023-12-22 08:04:44,402 INFO  L87              Difference]: Start difference. First operand 20292 states and 38305 transitions. Second operand  has 39 states, 39 states have (on average 423.15384615384613) internal successors, (16503), 38 states have internal predecessors, (16503), 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)
Received shutdown request...
[2023-12-22 08:06:33,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-12-22 08:06:33,069 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16512 GetRequests, 16465 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=223, Invalid=2129, Unknown=0, NotChecked=0, Total=2352
[2023-12-22 08:06:33,069 INFO  L413           NwaCegarLoop]: 2635 mSDtfsCounter, 8875 mSDsluCounter, 9630 mSDsCounter, 0 mSdLazyCounter, 159887 mSolverCounterSat, 2005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8875 SdHoareTripleChecker+Valid, 12265 SdHoareTripleChecker+Invalid, 161892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 2005 IncrementalHoareTripleChecker+Valid, 159887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.3s IncrementalHoareTripleChecker+Time
[2023-12-22 08:06:33,070 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [8875 Valid, 12265 Invalid, 161892 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [2005 Valid, 159887 Invalid, 0 Unknown, 0 Unchecked, 105.3s Time]
[2023-12-22 08:06:33,071 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-22 08:06:33,093 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
[2023-12-22 08:06:33,093 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-22 08:06:33,100 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-22 08:06:33,280 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-22 08:06:33,281 WARN  L619      AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (20292states) and FLOYD_HOARE automaton (currently 14 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (6970 states constructed, input type IntersectNwa).
[2023-12-22 08:06:33,284 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-12-22 08:06:33,286 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-22 08:06:33,287 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 08:06:33 BoogieIcfgContainer
[2023-12-22 08:06:33,287 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-22 08:06:33,288 INFO  L158              Benchmark]: Toolchain (without parser) took 798114.64ms. Allocated memory was 534.8MB in the beginning and 7.0GB in the end (delta: 6.4GB). Free memory was 326.9MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB.
[2023-12-22 08:06:33,288 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 197.1MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-22 08:06:33,288 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 31754.05ms. Allocated memory was 534.8MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 326.9MB in the beginning and 565.3MB in the end (delta: -238.4MB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB.
[2023-12-22 08:06:33,289 INFO  L158              Benchmark]: Boogie Procedure Inliner took 6549.77ms. Allocated memory was 2.7GB in the beginning and 4.7GB in the end (delta: 1.9GB). Free memory was 565.3MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 598.7MB. Max. memory is 8.0GB.
[2023-12-22 08:06:33,289 INFO  L158              Benchmark]: Boogie Preprocessor took 6476.84ms. Allocated memory was 4.7GB in the beginning and 5.5GB in the end (delta: 817.9MB). Free memory was 2.0GB in the beginning and 3.6GB in the end (delta: -1.6GB). Peak memory consumption was 255.3MB. Max. memory is 8.0GB.
[2023-12-22 08:06:33,289 INFO  L158              Benchmark]: RCFGBuilder took 90786.10ms. Allocated memory was 5.5GB in the beginning and 6.6GB in the end (delta: 1.2GB). Free memory was 3.6GB in the beginning and 4.2GB in the end (delta: -561.3MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB.
[2023-12-22 08:06:33,290 INFO  L158              Benchmark]: TraceAbstraction took 662542.99ms. Allocated memory was 6.6GB in the beginning and 7.0GB in the end (delta: 316.7MB). Free memory was 4.2GB in the beginning and 2.9GB in the end (delta: 1.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB.
[2023-12-22 08:06:33,291 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13ms. Allocated memory is still 197.1MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 31754.05ms. Allocated memory was 534.8MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 326.9MB in the beginning and 565.3MB in the end (delta: -238.4MB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 6549.77ms. Allocated memory was 2.7GB in the beginning and 4.7GB in the end (delta: 1.9GB). Free memory was 565.3MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 598.7MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 6476.84ms. Allocated memory was 4.7GB in the beginning and 5.5GB in the end (delta: 817.9MB). Free memory was 2.0GB in the beginning and 3.6GB in the end (delta: -1.6GB). Peak memory consumption was 255.3MB. Max. memory is 8.0GB.
 * RCFGBuilder took 90786.10ms. Allocated memory was 5.5GB in the beginning and 6.6GB in the end (delta: 1.2GB). Free memory was 3.6GB in the beginning and 4.2GB in the end (delta: -561.3MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB.
 * TraceAbstraction took 662542.99ms. Allocated memory was 6.6GB in the beginning and 7.0GB in the end (delta: 316.7MB). Free memory was 4.2GB in the beginning and 2.9GB in the end (delta: 1.3GB). Peak memory consumption was 1.6GB. 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: 184975]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable (line 184975). Cancelled while NwaCegarLoop was constructing difference of abstraction (20292states) and FLOYD_HOARE automaton (currently 14 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (6970 states constructed, input type IntersectNwa).
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 20294 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 662.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.4s, AutomataDifference: 109.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8875 SdHoareTripleChecker+Valid, 105.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8875 mSDsluCounter, 50570 SdHoareTripleChecker+Invalid, 93.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9630 mSDsCounter, 2005 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159889 IncrementalHoareTripleChecker+Invalid, 161894 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2005 mSolverCounterUnsat, 40940 mSDtfsCounter, 159889 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33014 GetRequests, 32967 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20294occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.6s SsaConstructionTime, 8.2s SatisfiabilityAnalysisTime, 533.7s InterpolantComputationTime, 33006 NumberOfCodeBlocks, 33006 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33004 ConstructedInterpolants, 0 QuantifiedInterpolants, 471904 SizeOfPredicates, 73 NumberOfNonLiveVariables, 33424 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown