/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_label39.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-22 06:04:40,197 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-22 06:04:40,268 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 06:04:40,272 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-22 06:04:40,273 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-22 06:04:40,296 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-22 06:04:40,297 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-22 06:04:40,297 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-22 06:04:40,297 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-22 06:04:40,300 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-22 06:04:40,301 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-22 06:04:40,301 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-22 06:04:40,302 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-22 06:04:40,303 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-22 06:04:40,303 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-22 06:04:40,303 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-22 06:04:40,303 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-22 06:04:40,303 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-22 06:04:40,304 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-22 06:04:40,305 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-22 06:04:40,305 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-22 06:04:40,305 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-22 06:04:40,305 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-22 06:04:40,305 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-22 06:04:40,306 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-22 06:04:40,306 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-22 06:04:40,306 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-22 06:04:40,306 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-22 06:04:40,306 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-22 06:04:40,306 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-22 06:04:40,307 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-22 06:04:40,307 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-22 06:04:40,308 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-22 06:04:40,308 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-22 06:04:40,308 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 06:04:40,308 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-22 06:04:40,308 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-22 06:04:40,308 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-22 06:04:40,308 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-22 06:04:40,309 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-22 06:04:40,309 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-22 06:04:40,309 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-22 06:04:40,309 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-22 06:04:40,309 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-22 06:04:40,310 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-22 06:04:40,310 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-22 06:04:40,310 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-22 06:04:40,502 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-22 06:04:40,521 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-22 06:04:40,523 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-22 06:04:40,524 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-22 06:04:40,525 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-22 06:04:40,526 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label39.c
[2023-12-22 06:04:41,680 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-22 06:04:42,998 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-22 06:04:42,998 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label39.c
[2023-12-22 06:04:43,111 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c6ab5dc/57216602718c4b9cad16f641e468b04d/FLAG06a4f1374
[2023-12-22 06:04:43,121 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c6ab5dc/57216602718c4b9cad16f641e468b04d
[2023-12-22 06:04:43,123 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-22 06:04:43,124 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-22 06:04:43,125 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-22 06:04:43,125 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-22 06:04:43,129 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-22 06:04:43,129 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:04:43" (1/1) ...
[2023-12-22 06:04:43,130 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780c4635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:43, skipping insertion in model container
[2023-12-22 06:04:43,130 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:04:43" (1/1) ...
[2023-12-22 06:04:43,711 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-22 06:04:50,790 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_label39.c[2767623,2767636]
[2023-12-22 06:04:50,840 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 06:04:50,850 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-22 06:04:54,836 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_label39.c[2767623,2767636]
[2023-12-22 06:04:54,845 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 06:04:55,829 INFO  L206         MainTranslator]: Completed translation
[2023-12-22 06:04:55,829 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55 WrapperNode
[2023-12-22 06:04:55,829 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-22 06:04:55,831 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-22 06:04:55,842 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-22 06:04:55,842 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-22 06:04:55,864 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:04:56,714 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:04:59,302 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83772
[2023-12-22 06:04:59,303 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-22 06:04:59,303 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-22 06:04:59,304 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-22 06:04:59,304 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-22 06:04:59,312 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:04:59,312 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:04:59,920 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:00,232 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 06:05:00,233 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:00,233 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:01,191 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:01,407 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:01,512 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:01,626 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:02,032 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-22 06:05:02,034 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-22 06:05:02,034 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-22 06:05:02,035 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-22 06:05:02,035 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (1/1) ...
[2023-12-22 06:05:02,044 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 06:05:02,053 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-22 06:05:02,091 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 06:05:02,122 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 06:05:02,129 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-22 06:05:02,129 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-22 06:05:02,129 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-22 06:05:02,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-22 06:05:02,256 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-22 06:05:02,258 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-22 06:05:47,472 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-22 06:05:47,615 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-22 06:05:47,615 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-22 06:05:47,616 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:05:47 BoogieIcfgContainer
[2023-12-22 06:05:47,616 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-22 06:05:47,618 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-22 06:05:47,619 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-22 06:05:47,621 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-22 06:05:47,621 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:04:43" (1/3) ...
[2023-12-22 06:05:47,622 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5243f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:05:47, skipping insertion in model container
[2023-12-22 06:05:47,622 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:04:55" (2/3) ...
[2023-12-22 06:05:47,622 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5243f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:05:47, skipping insertion in model container
[2023-12-22 06:05:47,623 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:05:47" (3/3) ...
[2023-12-22 06:05:47,624 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem07_label39.c
[2023-12-22 06:05:47,637 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-22 06:05:47,637 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-22 06:05:47,789 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-22 06:05:47,796 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;@17049c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-22 06:05:47,796 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-22 06:05:47,831 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 06:05:48,514 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10091
[2023-12-22 06:05:48,514 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 06:05:48,521 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 06:05:48,522 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 06:05:48,529 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 06:05:48,533 INFO  L85        PathProgramCache]: Analyzing trace with hash -250727381, now seen corresponding path program 1 times
[2023-12-22 06:05:48,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 06:05:48,646 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46511941]
[2023-12-22 06:05:48,648 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 06:05:48,648 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 06:05:48,649 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 06:05:48,650 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 06:05:48,657 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 06:05:52,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 06:05:52,763 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10227 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-22 06:05:52,890 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 06:05:53,136 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 06:05:53,136 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 06:05:53,137 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 06:05:53,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46511941]
[2023-12-22 06:05:53,137 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [46511941] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 06:05:53,137 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 06:05:53,138 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 06:05:53,139 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354660854]
[2023-12-22 06:05:53,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 06:05:53,152 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-22 06:05:53,153 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 06:05:53,179 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-22 06:05:53,179 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 06:05:53,207 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 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 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 06:05:53,422 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 06:05:53,422 INFO  L93              Difference]: Finished difference Result 20389 states and 40675 transitions.
[2023-12-22 06:05:53,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-22 06:05:53,430 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 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 10090
[2023-12-22 06:05:53,442 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 06:05:53,486 INFO  L225             Difference]: With dead ends: 20389
[2023-12-22 06:05:53,486 INFO  L226             Difference]: Without dead ends: 10193
[2023-12-22 06:05:53,504 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10089 GetRequests, 10089 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 06:05:53,507 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 06:05:53,507 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 06:05:53,532 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10193 states.
[2023-12-22 06:05:53,727 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193.
[2023-12-22 06:05:53,750 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 06:05:53,771 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions.
[2023-12-22 06:05:53,772 INFO  L78                 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10090
[2023-12-22 06:05:53,787 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 06:05:53,787 INFO  L495      AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions.
[2023-12-22 06:05:53,797 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5045.0) internal successors, (10090), 2 states have internal predecessors, (10090), 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 06:05:53,798 INFO  L276                IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions.
[2023-12-22 06:05:54,562 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10091
[2023-12-22 06:05:54,562 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 06:05:54,565 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 06:05:54,584 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 06:05:54,766 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 06:05:54,768 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 06:05:54,768 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 06:05:54,771 INFO  L85        PathProgramCache]: Analyzing trace with hash -793486727, now seen corresponding path program 1 times
[2023-12-22 06:05:54,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 06:05:54,842 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776133801]
[2023-12-22 06:05:54,844 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 06:05:54,844 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 06:05:54,844 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 06:05:54,845 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 06:05:54,846 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 06:05:58,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 06:05:58,363 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10227 conjuncts, 102 conjunts are in the unsatisfiable core
[2023-12-22 06:05:58,609 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 06:12:12,902 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 06:12:12,902 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 06:12:12,903 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 06:12:12,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776133801]
[2023-12-22 06:12:12,903 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776133801] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 06:12:12,903 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 06:12:12,905 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49
[2023-12-22 06:12:12,905 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761584036]
[2023-12-22 06:12:12,905 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 06:12:12,912 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2023-12-22 06:12:12,912 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 06:12:12,923 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2023-12-22 06:12:12,924 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2301, Unknown=0, NotChecked=0, Total=2450
[2023-12-22 06:12:12,929 INFO  L87              Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand  has 50 states, 50 states have (on average 201.8) internal successors, (10090), 49 states have internal predecessors, (10090), 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 06:16:08,632 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 06:16:08,633 INFO  L93              Difference]: Finished difference Result 29456 states and 58685 transitions.
[2023-12-22 06:16:08,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2023-12-22 06:16:08,636 INFO  L78                 Accepts]: Start accepts. Automaton has  has 50 states, 50 states have (on average 201.8) internal successors, (10090), 49 states have internal predecessors, (10090), 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 10090
[2023-12-22 06:16:08,647 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 06:16:08,697 INFO  L225             Difference]: With dead ends: 29456
[2023-12-22 06:16:08,697 INFO  L226             Difference]: Without dead ends: 19264
[2023-12-22 06:16:08,709 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10135 GetRequests, 10041 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=2449, Invalid=6671, Unknown=0, NotChecked=0, Total=9120
[2023-12-22 06:16:08,710 INFO  L413           NwaCegarLoop]: 11198 mSDtfsCounter, 191576 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 225766 mSolverCounterSat, 9063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 183.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191576 SdHoareTripleChecker+Valid, 11335 SdHoareTripleChecker+Invalid, 234829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 9063 IncrementalHoareTripleChecker+Valid, 225766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 208.8s IncrementalHoareTripleChecker+Time
[2023-12-22 06:16:08,711 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [191576 Valid, 11335 Invalid, 234829 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [9063 Valid, 225766 Invalid, 0 Unknown, 0 Unchecked, 208.8s Time]
[2023-12-22 06:16:08,731 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19264 states.
[2023-12-22 06:16:08,944 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19264 to 19264.
[2023-12-22 06:16:08,970 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 06:16:09,002 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19264 states to 19264 states and 29349 transitions.
[2023-12-22 06:16:09,002 INFO  L78                 Accepts]: Start accepts. Automaton has 19264 states and 29349 transitions. Word has length 10090
[2023-12-22 06:16:09,009 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 06:16:09,010 INFO  L495      AbstractCegarLoop]: Abstraction has 19264 states and 29349 transitions.
[2023-12-22 06:16:09,012 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 50 states, 50 states have (on average 201.8) internal successors, (10090), 49 states have internal predecessors, (10090), 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 06:16:09,012 INFO  L276                IsEmpty]: Start isEmpty. Operand 19264 states and 29349 transitions.
[2023-12-22 06:16:09,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12986
[2023-12-22 06:16:09,923 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 06:16:09,928 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 06:16:09,946 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 06:16:10,143 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 06:16:10,145 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 06:16:10,146 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 06:16:10,149 INFO  L85        PathProgramCache]: Analyzing trace with hash -2137136456, now seen corresponding path program 1 times
[2023-12-22 06:16:10,229 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 06:16:10,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687973188]
[2023-12-22 06:16:10,231 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 06:16:10,231 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 06:16:10,231 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 06:16:10,232 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 06:16:10,233 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 06:16:14,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 06:16:14,544 INFO  L262         TraceCheckSpWp]: Trace formula consists of 13163 conjuncts, 110 conjunts are in the unsatisfiable core
[2023-12-22 06:16:14,754 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
Received shutdown request...
[2023-12-22 06:18:14,120 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-22 06:18:14,134 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 06:18:14,134 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 06:18:14,143 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 06:18:14,335 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 06:18:14,336 WARN  L619      AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 12986 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-11-1 context.
[2023-12-22 06:18:14,340 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-12-22 06:18:14,342 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-22 06:18:14,343 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:18:14 BoogieIcfgContainer
[2023-12-22 06:18:14,344 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-22 06:18:14,344 INFO  L158              Benchmark]: Toolchain (without parser) took 811219.91ms. Allocated memory was 314.6MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 204.8MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB.
[2023-12-22 06:18:14,344 INFO  L158              Benchmark]: CDTParser took 0.43ms. Allocated memory is still 202.4MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-22 06:18:14,345 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 12704.64ms. Allocated memory was 314.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 204.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 931.9MB. Max. memory is 8.0GB.
[2023-12-22 06:18:14,345 INFO  L158              Benchmark]: Boogie Procedure Inliner took 3471.88ms. Allocated memory was 2.5GB in the beginning and 3.5GB in the end (delta: 952.1MB). Free memory was 1.8GB in the beginning and 2.4GB in the end (delta: -625.2MB). Peak memory consumption was 326.9MB. Max. memory is 8.0GB.
[2023-12-22 06:18:14,345 INFO  L158              Benchmark]: Boogie Preprocessor took 2729.26ms. Allocated memory is still 3.5GB. Free memory was 2.4GB in the beginning and 2.2GB in the end (delta: 230.7MB). Peak memory consumption was 254.8MB. Max. memory is 8.0GB.
[2023-12-22 06:18:14,346 INFO  L158              Benchmark]: RCFGBuilder took 45581.89ms. Allocated memory was 3.5GB in the beginning and 5.4GB in the end (delta: 1.9GB). Free memory was 2.2GB in the beginning and 3.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2023-12-22 06:18:14,346 INFO  L158              Benchmark]: TraceAbstraction took 746725.22ms. Allocated memory was 5.4GB in the beginning and 5.6GB in the end (delta: 168.8MB). Free memory was 3.5GB in the beginning and 1.5GB in the end (delta: 2.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB.
[2023-12-22 06:18:14,347 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.43ms. Allocated memory is still 202.4MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 12704.64ms. Allocated memory was 314.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 204.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 931.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 3471.88ms. Allocated memory was 2.5GB in the beginning and 3.5GB in the end (delta: 952.1MB). Free memory was 1.8GB in the beginning and 2.4GB in the end (delta: -625.2MB). Peak memory consumption was 326.9MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 2729.26ms. Allocated memory is still 3.5GB. Free memory was 2.4GB in the beginning and 2.2GB in the end (delta: 230.7MB). Peak memory consumption was 254.8MB. Max. memory is 8.0GB.
 * RCFGBuilder took 45581.89ms. Allocated memory was 3.5GB in the beginning and 5.4GB in the end (delta: 1.9GB). Free memory was 2.2GB in the beginning and 3.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
 * TraceAbstraction took 746725.22ms. Allocated memory was 5.4GB in the beginning and 5.6GB in the end (delta: 168.8MB). Free memory was 3.5GB in the beginning and 1.5GB in the end (delta: 2.0GB). Peak memory consumption was 2.2GB. 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: 73521]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable (line 73521). Cancelled while NwaCegarLoop was analyzing trace of length 12986 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-11-1 context.
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 10195 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 746.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.4s, AutomataDifference: 236.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191576 SdHoareTripleChecker+Valid, 208.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191576 mSDsluCounter, 31608 SdHoareTripleChecker+Invalid, 183.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 137 mSDsCounter, 9063 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225768 IncrementalHoareTripleChecker+Invalid, 234831 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9063 mSolverCounterUnsat, 31471 mSDtfsCounter, 225768 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20224 GetRequests, 20130 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 25.8s 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: 0.5s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 375.1s InterpolantComputationTime, 20180 NumberOfCodeBlocks, 20180 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20178 ConstructedInterpolants, 0 QuantifiedInterpolants, 428399 SizeOfPredicates, 84 NumberOfNonLiveVariables, 20454 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