/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.lifts.6.prop1-func-interl.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 19:36:12,700 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 19:36:12,748 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2023-12-16 19:36:12,751 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 19:36:12,751 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 19:36:12,781 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 19:36:12,782 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 19:36:12,782 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 19:36:12,783 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 19:36:12,787 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 19:36:12,787 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 19:36:12,788 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 19:36:12,788 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 19:36:12,789 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 19:36:12,789 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 19:36:12,790 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 19:36:12,790 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 19:36:12,790 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-16 19:36:12,790 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 19:36:12,790 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 19:36:12,790 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 19:36:12,790 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 19:36:12,791 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 19:36:12,791 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 19:36:12,791 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 19:36:12,791 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 19:36:12,791 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 19:36:12,792 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 19:36:12,792 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 19:36:12,792 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:36:12,793 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 19:36:12,793 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 19:36:12,793 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 19:36:12,793 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-16 19:36:12,793 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 19:36:12,793 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 19:36:12,793 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 19:36:12,794 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 19:36:12,794 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 19:36:12,794 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 19:36:12,794 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-16 19:36:13,019 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 19:36:13,039 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 19:36:13,040 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 19:36:13,041 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 19:36:13,042 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 19:36:13,042 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.lifts.6.prop1-func-interl.c
[2023-12-16 19:36:14,065 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 19:36:14,465 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 19:36:14,466 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.lifts.6.prop1-func-interl.c
[2023-12-16 19:36:14,520 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f7e9f3e/f0a5ae014a0c44fb97ce5c5a47798d7e/FLAG67b37d5f2
[2023-12-16 19:36:14,535 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f7e9f3e/f0a5ae014a0c44fb97ce5c5a47798d7e
[2023-12-16 19:36:14,537 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 19:36:14,538 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 19:36:14,539 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 19:36:14,539 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 19:36:14,542 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 19:36:14,543 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:36:14" (1/1) ...
[2023-12-16 19:36:14,544 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c8bd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:14, skipping insertion in model container
[2023-12-16 19:36:14,544 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:36:14" (1/1) ...
[2023-12-16 19:36:14,655 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 19:36:14,899 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.lifts.6.prop1-func-interl.c[1172,1185]
[2023-12-16 19:36:15,901 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:36:15,910 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 19:36:15,921 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.lifts.6.prop1-func-interl.c[1172,1185]
[2023-12-16 19:36:16,649 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:36:16,660 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 19:36:16,661 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16 WrapperNode
[2023-12-16 19:36:16,661 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 19:36:16,662 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 19:36:16,662 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 19:36:16,663 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 19:36:16,667 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:17,059 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:20,826 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61438
[2023-12-16 19:36:20,827 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 19:36:20,827 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 19:36:20,827 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 19:36:20,827 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 19:36:20,834 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:20,835 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:21,965 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:22,574 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 19:36:22,574 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:22,574 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:23,828 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:23,964 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:24,199 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:24,340 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:25,126 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 19:36:25,127 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 19:36:25,127 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 19:36:25,128 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 19:36:25,128 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (1/1) ...
[2023-12-16 19:36:25,132 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:36:25,153 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 19:36:25,180 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 19:36:25,181 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 19:36:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 19:36:25,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 19:36:25,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 19:36:25,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 19:36:27,372 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 19:36:27,373 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 19:36:47,814 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 19:36:48,479 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 19:36:48,479 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 19:36:48,480 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:36:48 BoogieIcfgContainer
[2023-12-16 19:36:48,481 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 19:36:48,483 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 19:36:48,483 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 19:36:48,485 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 19:36:48,485 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:36:14" (1/3) ...
[2023-12-16 19:36:48,486 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bedab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:36:48, skipping insertion in model container
[2023-12-16 19:36:48,486 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:36:16" (2/3) ...
[2023-12-16 19:36:48,487 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bedab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:36:48, skipping insertion in model container
[2023-12-16 19:36:48,487 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:36:48" (3/3) ...
[2023-12-16 19:36:48,488 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lifts.6.prop1-func-interl.c
[2023-12-16 19:36:48,499 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 19:36:48,499 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 19:36:48,636 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 19:36:48,641 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;@403a3ccb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 19:36:48,641 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 19:36:48,673 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 14048 states, 14046 states have (on average 1.6673786131282928) internal successors, (23420), 14047 states have internal predecessors, (23420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:48,702 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 627
[2023-12-16 19:36:48,703 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:36:48,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:36:48,705 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:36:48,710 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:36:48,711 INFO  L85        PathProgramCache]: Analyzing trace with hash -1648404404, now seen corresponding path program 1 times
[2023-12-16 19:36:48,717 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:36:48,717 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063148231]
[2023-12-16 19:36:48,718 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:36:48,718 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:36:49,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:36:50,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 19:36:50,951 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:36:50,952 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063148231]
[2023-12-16 19:36:50,952 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063148231] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:36:50,952 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:36:50,952 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:36:50,954 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912493447]
[2023-12-16 19:36:50,955 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:36:50,960 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:36:50,960 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:36:50,986 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:36:50,987 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:36:51,021 INFO  L87              Difference]: Start difference. First operand  has 14048 states, 14046 states have (on average 1.6673786131282928) internal successors, (23420), 14047 states have internal predecessors, (23420), 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 4 states, 4 states have (on average 156.5) internal successors, (626), 4 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:52,015 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:36:52,016 INFO  L93              Difference]: Finished difference Result 27732 states and 46236 transitions.
[2023-12-16 19:36:52,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:36:52,019 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 156.5) internal successors, (626), 4 states have internal predecessors, (626), 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 626
[2023-12-16 19:36:52,021 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:36:52,081 INFO  L225             Difference]: With dead ends: 27732
[2023-12-16 19:36:52,081 INFO  L226             Difference]: Without dead ends: 14048
[2023-12-16 19:36:52,105 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:36:52,108 INFO  L413           NwaCegarLoop]: 23413 mSDtfsCounter, 1 mSDsluCounter, 46821 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 70234 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:36:52,109 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 70234 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:36:52,330 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14048 states.
[2023-12-16 19:36:52,591 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14048 to 14048.
[2023-12-16 19:36:52,629 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14048 states, 14047 states have (on average 1.6671175339930233) internal successors, (23418), 14047 states have internal predecessors, (23418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:52,681 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14048 states to 14048 states and 23418 transitions.
[2023-12-16 19:36:52,683 INFO  L78                 Accepts]: Start accepts. Automaton has 14048 states and 23418 transitions. Word has length 626
[2023-12-16 19:36:52,685 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:36:52,685 INFO  L495      AbstractCegarLoop]: Abstraction has 14048 states and 23418 transitions.
[2023-12-16 19:36:52,686 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 156.5) internal successors, (626), 4 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:52,686 INFO  L276                IsEmpty]: Start isEmpty. Operand 14048 states and 23418 transitions.
[2023-12-16 19:36:52,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 628
[2023-12-16 19:36:52,696 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:36:52,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:36:52,697 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 19:36:52,697 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:36:52,698 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:36:52,698 INFO  L85        PathProgramCache]: Analyzing trace with hash 440799708, now seen corresponding path program 1 times
[2023-12-16 19:36:52,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:36:52,699 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984111000]
[2023-12-16 19:36:52,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:36:52,699 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:36:52,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:36:53,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 19:36:53,902 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:36:53,902 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984111000]
[2023-12-16 19:36:53,902 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984111000] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:36:53,903 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:36:53,903 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:36:53,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589382586]
[2023-12-16 19:36:53,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:36:53,906 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:36:53,910 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:36:53,911 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:36:53,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:36:53,911 INFO  L87              Difference]: Start difference. First operand 14048 states and 23418 transitions. Second operand  has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:54,465 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:36:54,465 INFO  L93              Difference]: Finished difference Result 27735 states and 46234 transitions.
[2023-12-16 19:36:54,466 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:36:54,467 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 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 627
[2023-12-16 19:36:54,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:36:54,506 INFO  L225             Difference]: With dead ends: 27735
[2023-12-16 19:36:54,506 INFO  L226             Difference]: Without dead ends: 14051
[2023-12-16 19:36:54,522 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:36:54,523 INFO  L413           NwaCegarLoop]: 23413 mSDtfsCounter, 1 mSDsluCounter, 46819 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 70232 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 19:36:54,523 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 70232 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 19:36:54,543 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14051 states.
[2023-12-16 19:36:54,704 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14051 to 14050.
[2023-12-16 19:36:54,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14050 states, 14049 states have (on average 1.6670225638835505) internal successors, (23420), 14049 states have internal predecessors, (23420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:54,748 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14050 states to 14050 states and 23420 transitions.
[2023-12-16 19:36:54,749 INFO  L78                 Accepts]: Start accepts. Automaton has 14050 states and 23420 transitions. Word has length 627
[2023-12-16 19:36:54,750 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:36:54,750 INFO  L495      AbstractCegarLoop]: Abstraction has 14050 states and 23420 transitions.
[2023-12-16 19:36:54,750 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:54,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 14050 states and 23420 transitions.
[2023-12-16 19:36:54,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 629
[2023-12-16 19:36:54,758 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:36:54,758 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:36:54,758 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 19:36:54,759 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:36:54,764 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:36:54,765 INFO  L85        PathProgramCache]: Analyzing trace with hash -1950499608, now seen corresponding path program 1 times
[2023-12-16 19:36:54,765 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:36:54,765 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232016764]
[2023-12-16 19:36:54,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:36:54,766 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:36:55,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:36:55,514 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 19:36:55,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:36:55,514 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232016764]
[2023-12-16 19:36:55,515 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232016764] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:36:55,515 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:36:55,515 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:36:55,515 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164140487]
[2023-12-16 19:36:55,515 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:36:55,516 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:36:55,516 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:36:55,517 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:36:55,518 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:36:55,519 INFO  L87              Difference]: Start difference. First operand 14050 states and 23420 transitions. Second operand  has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:55,974 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:36:55,974 INFO  L93              Difference]: Finished difference Result 41412 states and 69033 transitions.
[2023-12-16 19:36:55,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:36:55,974 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 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 628
[2023-12-16 19:36:55,975 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:36:56,015 INFO  L225             Difference]: With dead ends: 41412
[2023-12-16 19:36:56,015 INFO  L226             Difference]: Without dead ends: 27726
[2023-12-16 19:36:56,035 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:36:56,037 INFO  L413           NwaCegarLoop]: 24349 mSDtfsCounter, 22796 mSDsluCounter, 47751 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22796 SdHoareTripleChecker+Valid, 72100 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 19:36:56,038 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [22796 Valid, 72100 Invalid, 20 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 19:36:56,065 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27726 states.
[2023-12-16 19:36:56,279 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27726 to 14052.
[2023-12-16 19:36:56,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14052 states, 14051 states have (on average 1.6669276208099069) internal successors, (23422), 14051 states have internal predecessors, (23422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:56,318 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14052 states to 14052 states and 23422 transitions.
[2023-12-16 19:36:56,318 INFO  L78                 Accepts]: Start accepts. Automaton has 14052 states and 23422 transitions. Word has length 628
[2023-12-16 19:36:56,319 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:36:56,319 INFO  L495      AbstractCegarLoop]: Abstraction has 14052 states and 23422 transitions.
[2023-12-16 19:36:56,320 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:56,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 14052 states and 23422 transitions.
[2023-12-16 19:36:56,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 630
[2023-12-16 19:36:56,330 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:36:56,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:36:56,334 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 19:36:56,335 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:36:56,335 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:36:56,335 INFO  L85        PathProgramCache]: Analyzing trace with hash -446648508, now seen corresponding path program 1 times
[2023-12-16 19:36:56,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:36:56,335 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691250948]
[2023-12-16 19:36:56,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:36:56,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:36:56,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:36:57,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 19:36:57,202 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:36:57,202 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691250948]
[2023-12-16 19:36:57,203 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691250948] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:36:57,203 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:36:57,203 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:36:57,203 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099320591]
[2023-12-16 19:36:57,203 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:36:57,203 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:36:57,204 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:36:57,204 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:36:57,204 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:36:57,205 INFO  L87              Difference]: Start difference. First operand 14052 states and 23422 transitions. Second operand  has 5 states, 5 states have (on average 125.8) internal successors, (629), 4 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:57,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:36:57,824 INFO  L93              Difference]: Finished difference Result 41982 states and 69979 transitions.
[2023-12-16 19:36:57,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-16 19:36:57,836 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 125.8) internal successors, (629), 4 states have internal predecessors, (629), 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 629
[2023-12-16 19:36:57,839 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:36:57,870 INFO  L225             Difference]: With dead ends: 41982
[2023-12-16 19:36:57,870 INFO  L226             Difference]: Without dead ends: 28294
[2023-12-16 19:36:57,880 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-16 19:36:57,884 INFO  L413           NwaCegarLoop]: 24345 mSDtfsCounter, 92137 mSDsluCounter, 46817 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92137 SdHoareTripleChecker+Valid, 71162 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 19:36:57,885 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [92137 Valid, 71162 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 19:36:57,908 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28294 states.
[2023-12-16 19:36:58,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28294 to 14616.
[2023-12-16 19:36:58,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14616 states, 14615 states have (on average 1.6669175504618543) internal successors, (24362), 14615 states have internal predecessors, (24362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:58,136 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14616 states to 14616 states and 24362 transitions.
[2023-12-16 19:36:58,136 INFO  L78                 Accepts]: Start accepts. Automaton has 14616 states and 24362 transitions. Word has length 629
[2023-12-16 19:36:58,137 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:36:58,137 INFO  L495      AbstractCegarLoop]: Abstraction has 14616 states and 24362 transitions.
[2023-12-16 19:36:58,137 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 125.8) internal successors, (629), 4 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-16 19:36:58,137 INFO  L276                IsEmpty]: Start isEmpty. Operand 14616 states and 24362 transitions.
[2023-12-16 19:36:58,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9701
[2023-12-16 19:36:58,529 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:36:58,534 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:36:58,534 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-16 19:36:58,534 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:36:58,534 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:36:58,536 INFO  L85        PathProgramCache]: Analyzing trace with hash 689672601, now seen corresponding path program 1 times
[2023-12-16 19:36:58,536 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:36:58,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718593811]
[2023-12-16 19:36:58,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:36:58,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:36:59,240 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-16 19:36:59,240 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031924926]
[2023-12-16 19:36:59,242 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:36:59,243 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 19:36:59,243 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 19:36:59,245 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-16 19:36:59,250 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
Received shutdown request...
[2023-12-16 19:37:04,808 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 19:37:04,812 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 19:37:05,809 ERROR L246   FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user
[2023-12-16 19:37:05,825 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 19:37:05,906 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
[2023-12-16 19:37:05,955 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-12-16 19:37:06,025 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-16 19:37:06,026 WARN  L619      AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 9701 with TraceHistMax 2,while AutomatonFreeRefinementEngine was Timeout during CAMEL.
[2023-12-16 19:37:06,029 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 19:37:06,031 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 19:37:06,032 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:37:06 BoogieIcfgContainer
[2023-12-16 19:37:06,032 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 19:37:06,032 INFO  L158              Benchmark]: Toolchain (without parser) took 51494.15ms. Allocated memory was 190.8MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 132.2MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB.
[2023-12-16 19:37:06,032 INFO  L158              Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 19:37:06,033 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 2122.16ms. Allocated memory was 190.8MB in the beginning and 483.4MB in the end (delta: 292.6MB). Free memory was 132.2MB in the beginning and 225.2MB in the end (delta: -92.9MB). Peak memory consumption was 294.3MB. Max. memory is 8.0GB.
[2023-12-16 19:37:06,033 INFO  L158              Benchmark]: Boogie Procedure Inliner took 4164.30ms. Allocated memory was 483.4MB in the beginning and 4.5GB in the end (delta: 4.1GB). Free memory was 225.2MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 828.9MB. Max. memory is 8.0GB.
[2023-12-16 19:37:06,033 INFO  L158              Benchmark]: Boogie Preprocessor took 4299.41ms. Allocated memory was 4.5GB in the beginning and 5.9GB in the end (delta: 1.4GB). Free memory was 3.6GB in the beginning and 4.6GB in the end (delta: -1.0GB). Peak memory consumption was 388.0MB. Max. memory is 8.0GB.
[2023-12-16 19:37:06,033 INFO  L158              Benchmark]: RCFGBuilder took 23353.67ms. Allocated memory was 5.9GB in the beginning and 6.4GB in the end (delta: 424.7MB). Free memory was 4.6GB in the beginning and 4.8GB in the end (delta: -179.6MB). Peak memory consumption was 731.1MB. Max. memory is 8.0GB.
[2023-12-16 19:37:06,033 INFO  L158              Benchmark]: TraceAbstraction took 17549.10ms. Allocated memory was 6.4GB in the beginning and 6.5GB in the end (delta: 173.0MB). Free memory was 4.8GB in the beginning and 4.7GB in the end (delta: 110.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2023-12-16 19:37:06,034 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 2122.16ms. Allocated memory was 190.8MB in the beginning and 483.4MB in the end (delta: 292.6MB). Free memory was 132.2MB in the beginning and 225.2MB in the end (delta: -92.9MB). Peak memory consumption was 294.3MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 4164.30ms. Allocated memory was 483.4MB in the beginning and 4.5GB in the end (delta: 4.1GB). Free memory was 225.2MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 828.9MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 4299.41ms. Allocated memory was 4.5GB in the beginning and 5.9GB in the end (delta: 1.4GB). Free memory was 3.6GB in the beginning and 4.6GB in the end (delta: -1.0GB). Peak memory consumption was 388.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 23353.67ms. Allocated memory was 5.9GB in the beginning and 6.4GB in the end (delta: 424.7MB). Free memory was 4.6GB in the beginning and 4.8GB in the end (delta: -179.6MB). Peak memory consumption was 731.1MB. Max. memory is 8.0GB.
 * TraceAbstraction took 17549.10ms. Allocated memory was 6.4GB in the beginning and 6.5GB in the end (delta: 173.0MB). Free memory was 4.8GB in the beginning and 4.7GB in the end (delta: 110.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 9701 with TraceHistMax 2,while AutomatonFreeRefinementEngine was Timeout during CAMEL.
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 14048 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114935 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114935 mSDsluCounter, 283728 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188208 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 95520 mSDtfsCounter, 68 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14616occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 27353 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2510 NumberOfCodeBlocks, 2510 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 2506 ConstructedInterpolants, 0 QuantifiedInterpolants, 3761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown