/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-programs/Problem101_label02.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-22 18:15:16,610 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-22 18:15:16,698 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 18:15:16,702 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-22 18:15:16,703 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-22 18:15:16,730 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-22 18:15:16,731 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-22 18:15:16,731 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-22 18:15:16,732 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-22 18:15:16,735 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-22 18:15:16,736 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-22 18:15:16,736 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-22 18:15:16,737 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-22 18:15:16,738 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-22 18:15:16,738 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-22 18:15:16,739 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-22 18:15:16,739 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-22 18:15:16,739 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-22 18:15:16,739 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-22 18:15:16,741 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-22 18:15:16,741 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-22 18:15:16,741 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-22 18:15:16,741 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-22 18:15:16,742 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-22 18:15:16,742 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-22 18:15:16,742 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-22 18:15:16,742 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-22 18:15:16,743 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-22 18:15:16,743 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-22 18:15:16,743 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-22 18:15:16,744 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-22 18:15:16,744 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-22 18:15:16,744 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-22 18:15:16,745 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-22 18:15:16,745 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 18:15:16,745 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-22 18:15:16,745 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-22 18:15:16,745 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-22 18:15:16,746 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-22 18:15:16,746 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-22 18:15:16,746 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-22 18:15:16,746 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-22 18:15:16,746 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-22 18:15:16,747 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-22 18:15:16,748 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-22 18:15:16,748 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-22 18:15:16,748 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-22 18:15:16,994 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-22 18:15:17,017 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-22 18:15:17,019 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-22 18:15:17,020 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-22 18:15:17,020 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-22 18:15:17,022 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem101_label02.c
[2023-12-22 18:15:18,288 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-22 18:15:19,771 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-22 18:15:19,772 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem101_label02.c
[2023-12-22 18:15:19,889 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f831c8d/3b1276ec5b40429a97b5601b0a43deb2/FLAG24681d86d
[2023-12-22 18:15:19,900 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f831c8d/3b1276ec5b40429a97b5601b0a43deb2
[2023-12-22 18:15:19,902 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-22 18:15:19,903 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-22 18:15:19,904 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-22 18:15:19,904 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-22 18:15:19,910 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-22 18:15:19,911 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:15:19" (1/1) ...
[2023-12-22 18:15:19,912 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e6e59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:19, skipping insertion in model container
[2023-12-22 18:15:19,912 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:15:19" (1/1) ...
[2023-12-22 18:15:20,623 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-22 18:15:28,061 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-programs/Problem101_label02.c[2769695,2769708]
[2023-12-22 18:15:28,114 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 18:15:28,125 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-22 18:15:32,432 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-programs/Problem101_label02.c[2769695,2769708]
[2023-12-22 18:15:32,441 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 18:15:33,331 INFO  L206         MainTranslator]: Completed translation
[2023-12-22 18:15:33,332 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33 WrapperNode
[2023-12-22 18:15:33,332 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-22 18:15:33,333 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-22 18:15:33,333 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-22 18:15:33,333 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-22 18:15:33,339 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:34,050 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:36,290 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83779
[2023-12-22 18:15:36,291 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-22 18:15:36,292 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-22 18:15:36,292 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-22 18:15:36,292 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-22 18:15:36,301 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:36,301 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:36,894 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:37,224 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 18:15:37,225 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:37,225 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:38,361 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:38,540 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:38,690 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:38,813 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:39,315 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-22 18:15:39,316 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-22 18:15:39,316 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-22 18:15:39,316 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-22 18:15:39,317 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (1/1) ...
[2023-12-22 18:15:39,332 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 18:15:39,342 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-22 18:15:39,376 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 18:15:39,403 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 18:15:39,412 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-22 18:15:39,413 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-22 18:15:39,413 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-22 18:15:39,414 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-22 18:15:39,576 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-22 18:15:39,578 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-22 18:16:28,411 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-22 18:16:28,596 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-22 18:16:28,597 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-22 18:16:28,597 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:16:28 BoogieIcfgContainer
[2023-12-22 18:16:28,597 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-22 18:16:28,600 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-22 18:16:28,600 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-22 18:16:28,603 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-22 18:16:28,604 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:15:19" (1/3) ...
[2023-12-22 18:16:28,606 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6a28f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:16:28, skipping insertion in model container
[2023-12-22 18:16:28,606 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:15:33" (2/3) ...
[2023-12-22 18:16:28,607 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6a28f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:16:28, skipping insertion in model container
[2023-12-22 18:16:28,607 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:16:28" (3/3) ...
[2023-12-22 18:16:28,608 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem101_label02.c
[2023-12-22 18:16:28,624 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-22 18:16:28,624 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-22 18:16:28,806 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-22 18:16:28,811 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;@329f1017, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-22 18:16:28,812 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-22 18:16:28,845 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 18:16:29,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10105
[2023-12-22 18:16:29,656 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:16:29,661 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 18:16:29,663 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:16:29,670 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:16:29,674 INFO  L85        PathProgramCache]: Analyzing trace with hash 1574033138, now seen corresponding path program 1 times
[2023-12-22 18:16:29,770 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:16:29,770 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908090462]
[2023-12-22 18:16:29,772 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:16:29,773 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 18:16:29,773 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:16:29,774 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 18:16:29,775 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 18:16:33,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:16:33,949 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10247 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-22 18:16:34,092 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:16:34,421 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 18:16:34,421 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:16:34,422 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:16:34,422 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908090462]
[2023-12-22 18:16:34,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [908090462] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:16:34,423 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:16:34,424 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:16:34,426 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711280756]
[2023-12-22 18:16:34,427 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:16:34,443 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-22 18:16:34,443 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:16:34,479 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-22 18:16:34,480 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 18:16:34,522 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 5052.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 18:16:34,932 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:16:34,933 INFO  L93              Difference]: Finished difference Result 20389 states and 40675 transitions.
[2023-12-22 18:16:34,934 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-22 18:16:34,938 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5052.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 10104
[2023-12-22 18:16:34,956 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:16:35,018 INFO  L225             Difference]: With dead ends: 20389
[2023-12-22 18:16:35,019 INFO  L226             Difference]: Without dead ends: 10193
[2023-12-22 18:16:35,043 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10103 GetRequests, 10103 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 18:16:35,046 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 18:16:35,048 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 18:16:35,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10193 states.
[2023-12-22 18:16:35,289 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193.
[2023-12-22 18:16:35,320 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 18:16:35,354 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions.
[2023-12-22 18:16:35,355 INFO  L78                 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10104
[2023-12-22 18:16:35,376 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:16:35,376 INFO  L495      AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions.
[2023-12-22 18:16:35,380 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5052.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 18:16:35,380 INFO  L276                IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions.
[2023-12-22 18:16:36,044 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10105
[2023-12-22 18:16:36,044 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:16:36,048 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 18:16:36,066 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 18:16:36,253 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 18:16:36,254 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:16:36,255 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:16:36,258 INFO  L85        PathProgramCache]: Analyzing trace with hash -1579843183, now seen corresponding path program 1 times
[2023-12-22 18:16:36,338 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:16:36,338 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356251542]
[2023-12-22 18:16:36,340 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:16:36,341 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 18:16:36,341 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:16:36,342 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 18:16:36,344 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 18:16:40,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:16:40,129 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10247 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:16:40,265 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:16:52,773 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 18:16:52,773 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:16:52,773 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:16:52,773 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356251542]
[2023-12-22 18:16:52,774 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [356251542] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:16:52,774 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:16:52,775 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:16:52,775 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088489986]
[2023-12-22 18:16:52,775 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:16:52,790 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:16:52,791 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:16:52,801 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:16:52,801 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:16:52,806 INFO  L87              Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand  has 3 states, 3 states have (on average 3368.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 18:17:40,996 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:17:40,997 INFO  L93              Difference]: Finished difference Result 30575 states and 60816 transitions.
[2023-12-22 18:17:40,997 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:17:41,000 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3368.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 10104
[2023-12-22 18:17:41,016 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:17:41,098 INFO  L225             Difference]: With dead ends: 30575
[2023-12-22 18:17:41,099 INFO  L226             Difference]: Without dead ends: 20383
[2023-12-22 18:17:41,111 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10103 GetRequests, 10102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:17:41,113 INFO  L413           NwaCegarLoop]: 7699 mSDtfsCounter, 389 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 31106 mSolverCounterSat, 9500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 7749 SdHoareTripleChecker+Invalid, 40606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9500 IncrementalHoareTripleChecker+Valid, 31106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.5s IncrementalHoareTripleChecker+Time
[2023-12-22 18:17:41,114 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 7749 Invalid, 40606 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9500 Valid, 31106 Invalid, 0 Unknown, 0 Unchecked, 47.5s Time]
[2023-12-22 18:17:41,142 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20383 states.
[2023-12-22 18:17:41,436 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20383 to 20383.
[2023-12-22 18:17:41,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20383 states, 20382 states have (on average 1.6155921891865372) internal successors, (32929), 20382 states have internal predecessors, (32929), 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 18:17:41,498 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20383 states to 20383 states and 32929 transitions.
[2023-12-22 18:17:41,498 INFO  L78                 Accepts]: Start accepts. Automaton has 20383 states and 32929 transitions. Word has length 10104
[2023-12-22 18:17:41,511 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:17:41,512 INFO  L495      AbstractCegarLoop]: Abstraction has 20383 states and 32929 transitions.
[2023-12-22 18:17:41,514 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3368.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 18:17:41,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 20383 states and 32929 transitions.
[2023-12-22 18:17:42,196 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10109
[2023-12-22 18:17:42,196 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:17:42,201 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:42,223 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-22 18:17:42,420 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 18:17:42,420 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:17:42,421 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:17:42,424 INFO  L85        PathProgramCache]: Analyzing trace with hash 777639017, now seen corresponding path program 1 times
[2023-12-22 18:17:42,487 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:17:42,487 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026346706]
[2023-12-22 18:17:42,489 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:17:42,489 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 18:17:42,489 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:17:42,490 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 18:17:42,498 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 18:17:46,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:17:46,396 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10277 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:17:46,537 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:17:46,686 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:17:46,686 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:17:46,686 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:17:46,689 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026346706]
[2023-12-22 18:17:46,690 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026346706] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:17:46,690 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:17:46,692 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:17:46,692 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273642116]
[2023-12-22 18:17:46,694 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:17:46,708 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:17:46,708 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:17:46,717 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:17:46,718 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:17:46,722 INFO  L87              Difference]: Start difference. First operand 20383 states and 32929 transitions. Second operand  has 3 states, 3 states have (on average 3369.3333333333335) internal successors, (10108), 2 states have internal predecessors, (10108), 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 18:18:34,059 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:18:34,059 INFO  L93              Difference]: Finished difference Result 61145 states and 98784 transitions.
[2023-12-22 18:18:34,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:18:34,062 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3369.3333333333335) internal successors, (10108), 2 states have internal predecessors, (10108), 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 10108
[2023-12-22 18:18:34,062 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:18:34,153 INFO  L225             Difference]: With dead ends: 61145
[2023-12-22 18:18:34,153 INFO  L226             Difference]: Without dead ends: 40763
[2023-12-22 18:18:34,185 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10107 GetRequests, 10106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:18:34,186 INFO  L413           NwaCegarLoop]: 5080 mSDtfsCounter, 13140 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29482 mSolverCounterSat, 11039 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13140 SdHoareTripleChecker+Valid, 5129 SdHoareTripleChecker+Invalid, 40521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11039 IncrementalHoareTripleChecker+Valid, 29482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.5s IncrementalHoareTripleChecker+Time
[2023-12-22 18:18:34,186 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13140 Valid, 5129 Invalid, 40521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11039 Valid, 29482 Invalid, 0 Unknown, 0 Unchecked, 46.5s Time]
[2023-12-22 18:18:34,242 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40763 states.
[2023-12-22 18:18:34,793 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40763 to 40763.
[2023-12-22 18:18:34,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40763 states, 40762 states have (on average 1.4628330307639468) internal successors, (59628), 40762 states have internal predecessors, (59628), 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 18:18:34,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40763 states to 40763 states and 59628 transitions.
[2023-12-22 18:18:34,900 INFO  L78                 Accepts]: Start accepts. Automaton has 40763 states and 59628 transitions. Word has length 10108
[2023-12-22 18:18:34,902 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:18:34,902 INFO  L495      AbstractCegarLoop]: Abstraction has 40763 states and 59628 transitions.
[2023-12-22 18:18:34,905 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3369.3333333333335) internal successors, (10108), 2 states have internal predecessors, (10108), 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 18:18:34,905 INFO  L276                IsEmpty]: Start isEmpty. Operand 40763 states and 59628 transitions.
[2023-12-22 18:18:35,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10112
[2023-12-22 18:18:35,890 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:18:35,894 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:35,918 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 18:18:36,115 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 18:18:36,116 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:18:36,117 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:18:36,120 INFO  L85        PathProgramCache]: Analyzing trace with hash 1882723998, now seen corresponding path program 1 times
[2023-12-22 18:18:36,186 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:18:36,187 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381679205]
[2023-12-22 18:18:36,188 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:18:36,189 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 18:18:36,189 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:18:36,190 INFO  L229       MonitoredProcess]: Starting monitored process 5 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 18:18:36,203 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 (5)] Waiting until timeout for monitored process
[2023-12-22 18:18:39,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:18:39,790 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10280 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:18:39,880 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:18:40,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:18:40,031 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:18:40,032 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:18:40,034 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381679205]
[2023-12-22 18:18:40,034 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [381679205] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:18:40,034 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:18:40,035 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:18:40,035 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857364988]
[2023-12-22 18:18:40,036 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:18:40,046 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:18:40,047 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:18:40,055 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:18:40,056 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:18:40,060 INFO  L87              Difference]: Start difference. First operand 40763 states and 59628 transitions. Second operand  has 3 states, 3 states have (on average 3370.3333333333335) internal successors, (10111), 2 states have internal predecessors, (10111), 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 18:19:31,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:19:31,477 INFO  L93              Difference]: Finished difference Result 122285 states and 178881 transitions.
[2023-12-22 18:19:31,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:19:31,480 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3370.3333333333335) internal successors, (10111), 2 states have internal predecessors, (10111), 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 10111
[2023-12-22 18:19:31,480 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:19:31,728 INFO  L225             Difference]: With dead ends: 122285
[2023-12-22 18:19:31,728 INFO  L226             Difference]: Without dead ends: 81523
[2023-12-22 18:19:31,789 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10110 GetRequests, 10109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:19:31,790 INFO  L413           NwaCegarLoop]: 9708 mSDtfsCounter, 10193 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 35896 mSolverCounterSat, 7636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10193 SdHoareTripleChecker+Valid, 9758 SdHoareTripleChecker+Invalid, 43532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7636 IncrementalHoareTripleChecker+Valid, 35896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time
[2023-12-22 18:19:31,790 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [10193 Valid, 9758 Invalid, 43532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7636 Valid, 35896 Invalid, 0 Unknown, 0 Unchecked, 50.2s Time]
[2023-12-22 18:19:31,872 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81523 states.
[2023-12-22 18:19:32,781 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81523 to 81523.
[2023-12-22 18:19:32,856 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81523 states, 81522 states have (on average 1.3229067000318933) internal successors, (107846), 81522 states have internal predecessors, (107846), 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 18:19:32,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81523 states to 81523 states and 107846 transitions.
[2023-12-22 18:19:32,948 INFO  L78                 Accepts]: Start accepts. Automaton has 81523 states and 107846 transitions. Word has length 10111
[2023-12-22 18:19:32,949 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:19:32,949 INFO  L495      AbstractCegarLoop]: Abstraction has 81523 states and 107846 transitions.
[2023-12-22 18:19:32,952 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3370.3333333333335) internal successors, (10111), 2 states have internal predecessors, (10111), 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 18:19:32,952 INFO  L276                IsEmpty]: Start isEmpty. Operand 81523 states and 107846 transitions.
[2023-12-22 18:19:33,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10121
[2023-12-22 18:19:33,983 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:19:33,987 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:34,009 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 (5)] Forceful destruction successful, exit code 0
[2023-12-22 18:19:34,200 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 18:19:34,201 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:19:34,201 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:19:34,452 INFO  L85        PathProgramCache]: Analyzing trace with hash 913656455, now seen corresponding path program 1 times
[2023-12-22 18:19:34,515 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:19:34,515 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913253220]
[2023-12-22 18:19:34,516 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:19:34,516 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 18:19:34,517 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:19:34,517 INFO  L229       MonitoredProcess]: Starting monitored process 6 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 18:19:34,518 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 (6)] Waiting until timeout for monitored process
[2023-12-22 18:19:38,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:19:38,144 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10289 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:19:38,226 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:19:38,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:19:38,383 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:19:38,383 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:19:38,383 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913253220]
[2023-12-22 18:19:38,383 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [913253220] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:19:38,383 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:19:38,385 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:19:38,385 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797966528]
[2023-12-22 18:19:38,385 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:19:38,393 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:19:38,393 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:19:38,401 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:19:38,401 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:19:38,406 INFO  L87              Difference]: Start difference. First operand 81523 states and 107846 transitions. Second operand  has 3 states, 3 states have (on average 3373.3333333333335) internal successors, (10120), 2 states have internal predecessors, (10120), 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 18:20:27,622 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:20:27,622 INFO  L93              Difference]: Finished difference Result 244565 states and 323535 transitions.
[2023-12-22 18:20:27,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:20:27,625 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3373.3333333333335) internal successors, (10120), 2 states have internal predecessors, (10120), 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 10120
[2023-12-22 18:20:27,625 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:20:27,916 INFO  L225             Difference]: With dead ends: 244565
[2023-12-22 18:20:27,916 INFO  L226             Difference]: Without dead ends: 163043
[2023-12-22 18:20:28,002 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10119 GetRequests, 10118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:20:28,013 INFO  L413           NwaCegarLoop]: 6794 mSDtfsCounter, 12047 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 30277 mSolverCounterSat, 11116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12047 SdHoareTripleChecker+Valid, 6843 SdHoareTripleChecker+Invalid, 41393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11116 IncrementalHoareTripleChecker+Valid, 30277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.5s IncrementalHoareTripleChecker+Time
[2023-12-22 18:20:28,014 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [12047 Valid, 6843 Invalid, 41393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11116 Valid, 30277 Invalid, 0 Unknown, 0 Unchecked, 47.5s Time]
[2023-12-22 18:20:28,167 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163043 states.
[2023-12-22 18:20:29,853 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163043 to 163043.
[2023-12-22 18:20:29,983 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 163043 states, 163042 states have (on average 1.2460347640485274) internal successors, (203156), 163042 states have internal predecessors, (203156), 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 18:20:30,706 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163043 states to 163043 states and 203156 transitions.
[2023-12-22 18:20:30,707 INFO  L78                 Accepts]: Start accepts. Automaton has 163043 states and 203156 transitions. Word has length 10120
[2023-12-22 18:20:30,708 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:20:30,708 INFO  L495      AbstractCegarLoop]: Abstraction has 163043 states and 203156 transitions.
[2023-12-22 18:20:30,711 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3373.3333333333335) internal successors, (10120), 2 states have internal predecessors, (10120), 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 18:20:30,712 INFO  L276                IsEmpty]: Start isEmpty. Operand 163043 states and 203156 transitions.
[2023-12-22 18:20:31,830 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10153
[2023-12-22 18:20:31,832 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:20:31,861 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:31,894 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 (6)] Forceful destruction successful, exit code 0
[2023-12-22 18:20:32,076 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 18:20:32,077 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:20:32,077 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:20:32,079 INFO  L85        PathProgramCache]: Analyzing trace with hash 1930598578, now seen corresponding path program 1 times
[2023-12-22 18:20:32,178 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:20:32,178 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386753015]
[2023-12-22 18:20:32,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:20:32,180 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 18:20:32,180 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:20:32,181 INFO  L229       MonitoredProcess]: Starting monitored process 7 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 18:20:32,226 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 (7)] Waiting until timeout for monitored process
[2023-12-22 18:20:36,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:20:36,943 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10342 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:20:37,025 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:20:47,646 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-12-22 18:20:47,646 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:20:47,647 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:20:47,647 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386753015]
[2023-12-22 18:20:47,647 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386753015] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:20:47,647 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:20:47,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-22 18:20:47,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733440280]
[2023-12-22 18:20:47,648 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:20:47,657 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:20:47,657 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:20:47,665 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:20:47,665 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:20:47,669 INFO  L87              Difference]: Start difference. First operand 163043 states and 203156 transitions. Second operand  has 3 states, 3 states have (on average 3382.6666666666665) internal successors, (10148), 3 states have internal predecessors, (10148), 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 18:21:38,135 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:21:38,135 INFO  L93              Difference]: Finished difference Result 489125 states and 609465 transitions.
[2023-12-22 18:21:38,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:21:38,138 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3382.6666666666665) internal successors, (10148), 3 states have internal predecessors, (10148), 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 10152
[2023-12-22 18:21:38,138 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:21:38,759 INFO  L225             Difference]: With dead ends: 489125
[2023-12-22 18:21:38,760 INFO  L226             Difference]: Without dead ends: 326083
[2023-12-22 18:21:38,866 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10151 GetRequests, 10150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:21:38,868 INFO  L413           NwaCegarLoop]: 17550 mSDtfsCounter, 961 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 33475 mSolverCounterSat, 8392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 17600 SdHoareTripleChecker+Invalid, 41867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8392 IncrementalHoareTripleChecker+Valid, 33475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.1s IncrementalHoareTripleChecker+Time
[2023-12-22 18:21:38,868 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 17600 Invalid, 41867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8392 Valid, 33475 Invalid, 0 Unknown, 0 Unchecked, 48.1s Time]
[2023-12-22 18:21:39,090 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 326083 states.
[2023-12-22 18:21:42,169 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 326083 to 326083.
[2023-12-22 18:21:42,558 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 326083 states, 326082 states have (on average 1.181457424819524) internal successors, (385252), 326082 states have internal predecessors, (385252), 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 18:21:43,607 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 326083 states to 326083 states and 385252 transitions.
[2023-12-22 18:21:43,608 INFO  L78                 Accepts]: Start accepts. Automaton has 326083 states and 385252 transitions. Word has length 10152
[2023-12-22 18:21:43,608 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:21:43,608 INFO  L495      AbstractCegarLoop]: Abstraction has 326083 states and 385252 transitions.
[2023-12-22 18:21:43,611 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3382.6666666666665) internal successors, (10148), 3 states have internal predecessors, (10148), 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 18:21:43,611 INFO  L276                IsEmpty]: Start isEmpty. Operand 326083 states and 385252 transitions.
[2023-12-22 18:21:45,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10159
[2023-12-22 18:21:45,259 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:21:45,261 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:45,288 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 (7)] Forceful destruction successful, exit code 0
[2023-12-22 18:21:45,483 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 18:21:45,484 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:21:45,484 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:21:45,486 INFO  L85        PathProgramCache]: Analyzing trace with hash -129801242, now seen corresponding path program 1 times
[2023-12-22 18:21:45,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:21:45,597 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682290963]
[2023-12-22 18:21:45,598 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:21:45,598 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 18:21:45,599 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:21:45,601 INFO  L229       MonitoredProcess]: Starting monitored process 8 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 18:21:45,603 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 (8)] Waiting until timeout for monitored process
[2023-12-22 18:21:50,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:21:50,266 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10326 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:21:50,328 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:21:50,554 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:21:50,554 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:21:50,555 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:21:50,555 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682290963]
[2023-12-22 18:21:50,555 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [682290963] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:21:50,555 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:21:50,556 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 18:21:50,556 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050350889]
[2023-12-22 18:21:50,556 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:21:50,561 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:21:50,561 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:21:50,567 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:21:50,567 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:21:50,570 INFO  L87              Difference]: Start difference. First operand 326083 states and 385252 transitions. Second operand  has 3 states, 3 states have (on average 3386.0) internal successors, (10158), 2 states have internal predecessors, (10158), 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 18:22:44,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:22:44,284 INFO  L93              Difference]: Finished difference Result 978245 states and 1155753 transitions.
[2023-12-22 18:22:44,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:22:44,287 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3386.0) internal successors, (10158), 2 states have internal predecessors, (10158), 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 10158
[2023-12-22 18:22:44,287 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:22:45,510 INFO  L225             Difference]: With dead ends: 978245
[2023-12-22 18:22:45,510 INFO  L226             Difference]: Without dead ends: 652163
[2023-12-22 18:22:45,714 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10157 GetRequests, 10156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:22:45,716 INFO  L413           NwaCegarLoop]: 7467 mSDtfsCounter, 12258 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 27732 mSolverCounterSat, 13030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12258 SdHoareTripleChecker+Valid, 7516 SdHoareTripleChecker+Invalid, 40762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13030 IncrementalHoareTripleChecker+Valid, 27732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.5s IncrementalHoareTripleChecker+Time
[2023-12-22 18:22:45,716 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [12258 Valid, 7516 Invalid, 40762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13030 Valid, 27732 Invalid, 0 Unknown, 0 Unchecked, 49.5s Time]
[2023-12-22 18:22:46,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 652163 states.
[2023-12-22 18:22:52,610 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 652163 to 652163.
[2023-12-22 18:22:53,015 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 652163 states, 652162 states have (on average 1.1327614917765831) internal successors, (738744), 652162 states have internal predecessors, (738744), 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 18:22:55,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 652163 states to 652163 states and 738744 transitions.
[2023-12-22 18:22:55,378 INFO  L78                 Accepts]: Start accepts. Automaton has 652163 states and 738744 transitions. Word has length 10158
[2023-12-22 18:22:55,378 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 18:22:55,378 INFO  L495      AbstractCegarLoop]: Abstraction has 652163 states and 738744 transitions.
[2023-12-22 18:22:55,381 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3386.0) internal successors, (10158), 2 states have internal predecessors, (10158), 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 18:22:55,381 INFO  L276                IsEmpty]: Start isEmpty. Operand 652163 states and 738744 transitions.
[2023-12-22 18:22:57,444 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10174
[2023-12-22 18:22:57,444 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 18:22:57,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:57,472 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 (8)] Forceful destruction successful, exit code 0
[2023-12-22 18:22:57,666 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 18:22:57,667 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 18:22:57,667 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 18:22:57,669 INFO  L85        PathProgramCache]: Analyzing trace with hash -1473276007, now seen corresponding path program 1 times
[2023-12-22 18:22:57,755 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 18:22:57,757 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887462138]
[2023-12-22 18:22:57,759 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 18:22:57,759 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 18:22:57,759 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 18:22:57,760 INFO  L229       MonitoredProcess]: Starting monitored process 9 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 18:22:57,765 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 (9)] Waiting until timeout for monitored process
[2023-12-22 18:23:02,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 18:23:02,615 INFO  L262         TraceCheckSpWp]: Trace formula consists of 10341 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 18:23:02,719 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 18:23:14,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-22 18:23:14,666 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 18:23:14,666 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 18:23:14,666 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887462138]
[2023-12-22 18:23:14,666 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887462138] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 18:23:14,666 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 18:23:14,667 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-22 18:23:14,667 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10876133]
[2023-12-22 18:23:14,667 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 18:23:14,673 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 18:23:14,673 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 18:23:14,679 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 18:23:14,680 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:23:14,683 INFO  L87              Difference]: Start difference. First operand 652163 states and 738744 transitions. Second operand  has 3 states, 3 states have (on average 3391.0) internal successors, (10173), 3 states have internal predecessors, (10173), 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 18:24:11,289 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 18:24:11,289 INFO  L93              Difference]: Finished difference Result 1946295 states and 2205115 transitions.
[2023-12-22 18:24:11,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 18:24:11,292 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3391.0) internal successors, (10173), 3 states have internal predecessors, (10173), 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 10173
[2023-12-22 18:24:11,300 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 18:24:14,553 INFO  L225             Difference]: With dead ends: 1946295
[2023-12-22 18:24:14,553 INFO  L226             Difference]: Without dead ends: 1294133
[2023-12-22 18:24:15,127 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10172 GetRequests, 10171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 18:24:15,130 INFO  L413           NwaCegarLoop]: 17964 mSDtfsCounter, 1170 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 32079 mSolverCounterSat, 9658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 18014 SdHoareTripleChecker+Invalid, 41737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9658 IncrementalHoareTripleChecker+Valid, 32079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.8s IncrementalHoareTripleChecker+Time
[2023-12-22 18:24:15,130 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 18014 Invalid, 41737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9658 Valid, 32079 Invalid, 0 Unknown, 0 Unchecked, 49.8s Time]
[2023-12-22 18:24:16,598 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1294133 states.