/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/Problem07_label16.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-22 05:45:49,347 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-22 05:45:49,429 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 05:45:49,433 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-22 05:45:49,434 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-22 05:45:49,460 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-22 05:45:49,461 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-22 05:45:49,461 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-22 05:45:49,462 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-22 05:45:49,465 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-22 05:45:49,465 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-22 05:45:49,466 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-22 05:45:49,467 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-22 05:45:49,468 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-22 05:45:49,468 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-22 05:45:49,469 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-22 05:45:49,469 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-22 05:45:49,469 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-22 05:45:49,469 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-22 05:45:49,469 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-22 05:45:49,470 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-22 05:45:49,470 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-22 05:45:49,470 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-22 05:45:49,471 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-22 05:45:49,471 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-22 05:45:49,471 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-22 05:45:49,471 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-22 05:45:49,471 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-22 05:45:49,472 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-22 05:45:49,472 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-22 05:45:49,473 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-22 05:45:49,473 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-22 05:45:49,473 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-22 05:45:49,473 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-22 05:45:49,474 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 05:45:49,474 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-22 05:45:49,474 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-22 05:45:49,474 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-22 05:45:49,474 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-22 05:45:49,474 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-22 05:45:49,475 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-22 05:45:49,475 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-22 05:45:49,475 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-22 05:45:49,475 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-22 05:45:49,476 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-22 05:45:49,476 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-22 05:45:49,476 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-22 05:45:49,703 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-22 05:45:49,722 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-22 05:45:49,724 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-22 05:45:49,725 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-22 05:45:49,725 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-22 05:45:49,727 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label16.c
[2023-12-22 05:45:50,961 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-22 05:45:52,407 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-22 05:45:52,408 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label16.c
[2023-12-22 05:45:52,522 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a52c9309/81430122c4b148e9895e8e11eabff7a3/FLAGd43bf6c19
[2023-12-22 05:45:52,537 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a52c9309/81430122c4b148e9895e8e11eabff7a3
[2023-12-22 05:45:52,539 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-22 05:45:52,540 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-22 05:45:52,543 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-22 05:45:52,543 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-22 05:45:52,547 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-22 05:45:52,547 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:45:52" (1/1) ...
[2023-12-22 05:45:52,549 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c188db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:45:52, skipping insertion in model container
[2023-12-22 05:45:52,549 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:45:52" (1/1) ...
[2023-12-22 05:45:53,265 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-22 05:46:00,678 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/Problem07_label16.c[2775464,2775477]
[2023-12-22 05:46:00,739 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 05:46:00,750 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-22 05:46:05,285 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/Problem07_label16.c[2775464,2775477]
[2023-12-22 05:46:05,289 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 05:46:06,394 INFO  L206         MainTranslator]: Completed translation
[2023-12-22 05:46:06,395 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06 WrapperNode
[2023-12-22 05:46:06,395 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-22 05:46:06,396 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-22 05:46:06,412 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-22 05:46:06,412 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-22 05:46:06,420 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:07,596 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:10,093 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83772
[2023-12-22 05:46:10,093 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-22 05:46:10,094 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-22 05:46:10,094 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-22 05:46:10,094 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-22 05:46:10,106 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:10,106 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:10,693 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:11,015 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 05:46:11,016 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:11,016 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:12,165 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:12,380 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:12,487 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:12,588 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:12,925 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-22 05:46:12,926 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-22 05:46:12,926 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-22 05:46:12,927 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-22 05:46:12,927 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (1/1) ...
[2023-12-22 05:46:12,936 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 05:46:12,944 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-22 05:46:12,973 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 05:46:12,974 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 05:46:12,993 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-22 05:46:12,993 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-22 05:46:12,993 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-22 05:46:12,993 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-22 05:46:13,117 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-22 05:46:13,119 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-22 05:46:59,842 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-22 05:47:00,008 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-22 05:47:00,008 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-22 05:47:00,009 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 05:47:00 BoogieIcfgContainer
[2023-12-22 05:47:00,009 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-22 05:47:00,012 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-22 05:47:00,012 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-22 05:47:00,015 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-22 05:47:00,016 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 05:45:52" (1/3) ...
[2023-12-22 05:47:00,016 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e869168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 05:47:00, skipping insertion in model container
[2023-12-22 05:47:00,017 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:46:06" (2/3) ...
[2023-12-22 05:47:00,017 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e869168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 05:47:00, skipping insertion in model container
[2023-12-22 05:47:00,017 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 05:47:00" (3/3) ...
[2023-12-22 05:47:00,019 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem07_label16.c
[2023-12-22 05:47:00,037 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-22 05:47:00,037 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-22 05:47:00,213 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-22 05:47:00,218 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;@7cd10c6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-22 05:47:00,218 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-22 05:47:00,255 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 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 05:47:01,104 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10137
[2023-12-22 05:47:01,104 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 05:47:01,109 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 05:47:01,111 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 05:47:01,118 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 05:47:01,122 INFO  L85        PathProgramCache]: Analyzing trace with hash 1975516722, now seen corresponding path program 1 times
[2023-12-22 05:47:01,226 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 05:47:01,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119607731]
[2023-12-22 05:47:01,229 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 05:47:01,229 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 05:47:01,229 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 05:47:01,230 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 05:47:01,232 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 05:47:05,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 05:47:05,554 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10273 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-22 05:47:05,703 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 05:47:05,990 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 05:47:05,991 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 05:47:05,991 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 05:47:05,992 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119607731]
[2023-12-22 05:47:05,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119607731] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 05:47:05,993 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 05:47:05,994 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 05:47:05,995 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451011485]
[2023-12-22 05:47:05,996 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 05:47:06,012 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-22 05:47:06,013 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 05:47:06,056 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-22 05:47:06,057 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 05:47:06,098 INFO  L87              Difference]: Start difference. First operand  has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 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 5068.0) internal successors, (10136), 2 states have internal predecessors, (10136), 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 05:47:06,432 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 05:47:06,432 INFO  L93              Difference]: Finished difference Result 20389 states and 40675 transitions.
[2023-12-22 05:47:06,434 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-22 05:47:06,440 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5068.0) internal successors, (10136), 2 states have internal predecessors, (10136), 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 10136
[2023-12-22 05:47:06,461 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 05:47:06,526 INFO  L225             Difference]: With dead ends: 20389
[2023-12-22 05:47:06,526 INFO  L226             Difference]: Without dead ends: 10193
[2023-12-22 05:47:06,552 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10135 GetRequests, 10135 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 05:47:06,555 INFO  L413           NwaCegarLoop]: 20273 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, 20273 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-22 05:47:06,557 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20273 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-22 05:47:06,586 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10193 states.
[2023-12-22 05:47:06,796 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193.
[2023-12-22 05:47:06,826 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10193 states, 10192 states have (on average 1.9891091051805339) internal successors, (20273), 10192 states have internal predecessors, (20273), 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 05:47:06,865 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions.
[2023-12-22 05:47:06,867 INFO  L78                 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10136
[2023-12-22 05:47:06,888 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 05:47:06,888 INFO  L495      AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions.
[2023-12-22 05:47:06,894 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5068.0) internal successors, (10136), 2 states have internal predecessors, (10136), 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 05:47:06,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions.
[2023-12-22 05:47:07,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10137
[2023-12-22 05:47:07,719 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 05:47:07,722 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 05:47:07,743 INFO  L540       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)] Forceful destruction successful, exit code 0
[2023-12-22 05:47:07,936 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 05:47:07,937 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 05:47:07,937 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 05:47:07,940 INFO  L85        PathProgramCache]: Analyzing trace with hash 127493137, now seen corresponding path program 1 times
[2023-12-22 05:47:08,015 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 05:47:08,015 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102834893]
[2023-12-22 05:47:08,017 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 05:47:08,018 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 05:47:08,018 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 05:47:08,019 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 05:47:08,020 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 05:47:11,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 05:47:11,673 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10273 conjuncts, 102 conjunts are in the unsatisfiable core
[2023-12-22 05:47:11,986 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 05:53:37,763 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 05:53:37,763 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 05:53:37,763 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 05:53:37,764 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102834893]
[2023-12-22 05:53:37,764 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [102834893] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 05:53:37,764 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 05:53:37,765 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49
[2023-12-22 05:53:37,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991411892]
[2023-12-22 05:53:37,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 05:53:37,776 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2023-12-22 05:53:37,777 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 05:53:37,786 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2023-12-22 05:53:37,788 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2301, Unknown=0, NotChecked=0, Total=2450
[2023-12-22 05:53:37,792 INFO  L87              Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand  has 50 states, 50 states have (on average 202.72) internal successors, (10136), 49 states have internal predecessors, (10136), 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 05:58:52,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 05:58:52,080 INFO  L93              Difference]: Finished difference Result 29456 states and 58685 transitions.
[2023-12-22 05:58:52,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2023-12-22 05:58:52,084 INFO  L78                 Accepts]: Start accepts. Automaton has  has 50 states, 50 states have (on average 202.72) internal successors, (10136), 49 states have internal predecessors, (10136), 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 10136
[2023-12-22 05:58:52,098 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 05:58:52,169 INFO  L225             Difference]: With dead ends: 29456
[2023-12-22 05:58:52,170 INFO  L226             Difference]: Without dead ends: 19264
[2023-12-22 05:58:52,186 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10181 GetRequests, 10087 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=2449, Invalid=6671, Unknown=0, NotChecked=0, Total=9120
[2023-12-22 05:58:52,188 INFO  L413           NwaCegarLoop]: 11198 mSDtfsCounter, 196196 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 361362 mSolverCounterSat, 9063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 250.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196196 SdHoareTripleChecker+Valid, 11758 SdHoareTripleChecker+Invalid, 370425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.9s SdHoareTripleChecker+Time, 9063 IncrementalHoareTripleChecker+Valid, 361362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 286.6s IncrementalHoareTripleChecker+Time
[2023-12-22 05:58:52,188 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [196196 Valid, 11758 Invalid, 370425 Unknown, 0 Unchecked, 0.9s Time], IncrementalHoareTripleChecker [9063 Valid, 361362 Invalid, 0 Unknown, 0 Unchecked, 286.6s Time]
[2023-12-22 05:58:52,214 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19264 states.
[2023-12-22 05:58:52,476 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19264 to 19264.
[2023-12-22 05:58:52,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19264 states, 19263 states have (on average 1.5235944556922598) internal successors, (29349), 19263 states have internal predecessors, (29349), 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 05:58:52,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19264 states to 19264 states and 29349 transitions.
[2023-12-22 05:58:52,540 INFO  L78                 Accepts]: Start accepts. Automaton has 19264 states and 29349 transitions. Word has length 10136
[2023-12-22 05:58:52,552 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 05:58:52,552 INFO  L495      AbstractCegarLoop]: Abstraction has 19264 states and 29349 transitions.
[2023-12-22 05:58:52,555 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 50 states, 50 states have (on average 202.72) internal successors, (10136), 49 states have internal predecessors, (10136), 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 05:58:52,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 19264 states and 29349 transitions.
[2023-12-22 05:58:53,497 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13032
[2023-12-22 05:58:53,497 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 05:58:53,502 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2023-12-22 05:58:53,521 INFO  L540       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)] Forceful destruction successful, exit code 0
[2023-12-22 05:58:53,715 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 05:58:53,716 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 05:58:53,718 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 05:58:53,721 INFO  L85        PathProgramCache]: Analyzing trace with hash 354702864, now seen corresponding path program 1 times
[2023-12-22 05:58:53,798 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 05:58:53,799 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247522968]
[2023-12-22 05:58:53,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 05:58:53,800 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 05:58:53,801 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 05:58:53,802 INFO  L229       MonitoredProcess]: Starting monitored process 4 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 05:58:53,807 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 (4)] Waiting until timeout for monitored process
[2023-12-22 05:58:57,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 05:58:58,054 INFO  L262         TraceCheckSpWp]: Trace formula consists of 13209 conjuncts, 110 conjunts are in the unsatisfiable core
[2023-12-22 05:58:58,263 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
Received shutdown request...
[2023-12-22 05:59:07,120 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-22 05:59:07,124 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 05:59:07,124 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 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-22 05:59:07,151 INFO  L540       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 (4)] Forceful destruction successful, exit code 0
[2023-12-22 05:59:07,344 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 05:59:07,345 WARN  L619      AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 13032 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ATOM-1 context.
[2023-12-22 05:59:07,349 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-12-22 05:59:07,351 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-22 05:59:07,353 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 05:59:07 BoogieIcfgContainer
[2023-12-22 05:59:07,353 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-22 05:59:07,354 INFO  L158              Benchmark]: Toolchain (without parser) took 794813.59ms. Allocated memory was 295.7MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 165.5MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 3.7GB. Max. memory is 8.0GB.
[2023-12-22 05:59:07,354 INFO  L158              Benchmark]: CDTParser took 0.47ms. Allocated memory is still 187.7MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-22 05:59:07,354 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 13852.49ms. Allocated memory was 295.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 165.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 855.9MB. Max. memory is 8.0GB.
[2023-12-22 05:59:07,355 INFO  L158              Benchmark]: Boogie Procedure Inliner took 3697.40ms. Allocated memory was 2.1GB in the beginning and 3.0GB in the end (delta: 836.8MB). Free memory was 1.4GB in the beginning and 1.9GB in the end (delta: -529.9MB). Peak memory consumption was 353.1MB. Max. memory is 8.0GB.
[2023-12-22 05:59:07,355 INFO  L158              Benchmark]: Boogie Preprocessor took 2831.56ms. Allocated memory was 3.0GB in the beginning and 4.1GB in the end (delta: 1.1GB). Free memory was 1.9GB in the beginning and 2.8GB in the end (delta: -870.8MB). Peak memory consumption was 262.1MB. Max. memory is 8.0GB.
[2023-12-22 05:59:07,356 INFO  L158              Benchmark]: RCFGBuilder took 47082.80ms. Allocated memory was 4.1GB in the beginning and 5.2GB in the end (delta: 1.0GB). Free memory was 2.8GB in the beginning and 3.2GB in the end (delta: -411.6MB). Peak memory consumption was 953.2MB. Max. memory is 8.0GB.
[2023-12-22 05:59:07,356 INFO  L158              Benchmark]: TraceAbstraction took 727341.07ms. Allocated memory was 5.2GB in the beginning and 5.3GB in the end (delta: 114.3MB). Free memory was 3.2GB in the beginning and 1.4GB in the end (delta: 1.8GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB.
[2023-12-22 05:59:07,361 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.47ms. Allocated memory is still 187.7MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 13852.49ms. Allocated memory was 295.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 165.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 855.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 3697.40ms. Allocated memory was 2.1GB in the beginning and 3.0GB in the end (delta: 836.8MB). Free memory was 1.4GB in the beginning and 1.9GB in the end (delta: -529.9MB). Peak memory consumption was 353.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 2831.56ms. Allocated memory was 3.0GB in the beginning and 4.1GB in the end (delta: 1.1GB). Free memory was 1.9GB in the beginning and 2.8GB in the end (delta: -870.8MB). Peak memory consumption was 262.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 47082.80ms. Allocated memory was 4.1GB in the beginning and 5.2GB in the end (delta: 1.0GB). Free memory was 2.8GB in the beginning and 3.2GB in the end (delta: -411.6MB). Peak memory consumption was 953.2MB. Max. memory is 8.0GB.
 * TraceAbstraction took 727341.07ms. Allocated memory was 5.2GB in the beginning and 5.3GB in the end (delta: 114.3MB). Free memory was 3.2GB in the beginning and 1.4GB in the end (delta: 1.8GB). Peak memory consumption was 1.9GB. 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: 73659]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable (line 73659). Cancelled while NwaCegarLoop was analyzing trace of length 13032 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ATOM-1 context.
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 10195 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 727.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.7s, AutomataDifference: 315.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196196 SdHoareTripleChecker+Valid, 286.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 196196 mSDsluCounter, 32031 SdHoareTripleChecker+Invalid, 251.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 560 mSDsCounter, 9063 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 361364 IncrementalHoareTripleChecker+Invalid, 370427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9063 mSolverCounterUnsat, 31471 mSDtfsCounter, 361364 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20316 GetRequests, 20222 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 26.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19264occurred in iteration=2, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 386.7s InterpolantComputationTime, 20272 NumberOfCodeBlocks, 20272 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20270 ConstructedInterpolants, 0 QuantifiedInterpolants, 428491 SizeOfPredicates, 84 NumberOfNonLiveVariables, 20546 ConjunctsInSsa, 103 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