/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.1.prop1-func-interl.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-25 19:29:04,131 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-25 19:29:04,223 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2023-12-25 19:29:04,228 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-25 19:29:04,228 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-25 19:29:04,255 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-25 19:29:04,255 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-25 19:29:04,256 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-25 19:29:04,256 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-25 19:29:04,260 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-25 19:29:04,260 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-25 19:29:04,261 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-25 19:29:04,261 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-25 19:29:04,263 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-25 19:29:04,263 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-25 19:29:04,263 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-25 19:29:04,263 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-25 19:29:04,263 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-25 19:29:04,264 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-25 19:29:04,265 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-25 19:29:04,265 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-25 19:29:04,265 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-25 19:29:04,266 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-25 19:29:04,266 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-25 19:29:04,266 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-25 19:29:04,267 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-25 19:29:04,267 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-25 19:29:04,267 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-25 19:29:04,267 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-25 19:29:04,267 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 19:29:04,268 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-25 19:29:04,269 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-25 19:29:04,269 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-25 19:29:04,269 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-25 19:29:04,269 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-25 19:29:04,269 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-25 19:29:04,269 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-25 19:29:04,270 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-25 19:29:04,270 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-25 19:29:04,270 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-25 19:29:04,270 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-25 19:29:04,487 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-25 19:29:04,518 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-25 19:29:04,520 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-25 19:29:04,522 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-25 19:29:04,522 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-25 19:29:04,523 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.lifts.1.prop1-func-interl.c
[2023-12-25 19:29:05,640 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-25 19:29:06,054 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-25 19:29:06,055 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.lifts.1.prop1-func-interl.c
[2023-12-25 19:29:06,092 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6933de1/6f56a1a26ede40248be4c96d250da9df/FLAG52b294bf3
[2023-12-25 19:29:06,106 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6933de1/6f56a1a26ede40248be4c96d250da9df
[2023-12-25 19:29:06,109 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-25 19:29:06,111 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-25 19:29:06,114 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-25 19:29:06,114 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-25 19:29:06,118 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-25 19:29:06,118 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 07:29:06" (1/1) ...
[2023-12-25 19:29:06,119 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b58904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:06, skipping insertion in model container
[2023-12-25 19:29:06,119 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 07:29:06" (1/1) ...
[2023-12-25 19:29:06,244 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 19:29:06,479 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.1.prop1-func-interl.c[1172,1185]
[2023-12-25 19:29:07,306 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 19:29:07,313 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-25 19:29:07,321 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.1.prop1-func-interl.c[1172,1185]
[2023-12-25 19:29:07,791 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 19:29:07,805 INFO  L206         MainTranslator]: Completed translation
[2023-12-25 19:29:07,805 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07 WrapperNode
[2023-12-25 19:29:07,805 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-25 19:29:07,807 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-25 19:29:07,807 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-25 19:29:07,807 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-25 19:29:07,813 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:08,028 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:10,864 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31513
[2023-12-25 19:29:10,864 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-25 19:29:10,865 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-25 19:29:10,865 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-25 19:29:10,865 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-25 19:29:10,874 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:10,874 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:11,726 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:12,017 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].
[2023-12-25 19:29:12,017 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:12,017 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:12,987 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:13,106 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:13,274 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:13,393 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:13,913 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-25 19:29:13,915 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-25 19:29:13,915 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-25 19:29:13,916 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-25 19:29:13,916 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (1/1) ...
[2023-12-25 19:29:13,921 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 19:29:13,930 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 19:29:13,952 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)
[2023-12-25 19:29:13,957 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
[2023-12-25 19:29:13,980 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-25 19:29:13,981 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-25 19:29:13,981 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-25 19:29:13,981 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-25 19:29:15,328 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-25 19:29:15,331 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-25 19:29:33,169 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-25 19:29:33,546 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-25 19:29:33,547 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-25 19:29:33,547 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 07:29:33 BoogieIcfgContainer
[2023-12-25 19:29:33,548 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-25 19:29:33,551 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-25 19:29:33,551 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-25 19:29:33,553 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-25 19:29:33,554 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 07:29:06" (1/3) ...
[2023-12-25 19:29:33,554 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039393c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 07:29:33, skipping insertion in model container
[2023-12-25 19:29:33,555 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 07:29:07" (2/3) ...
[2023-12-25 19:29:33,555 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039393c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 07:29:33, skipping insertion in model container
[2023-12-25 19:29:33,555 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 07:29:33" (3/3) ...
[2023-12-25 19:29:33,556 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lifts.1.prop1-func-interl.c
[2023-12-25 19:29:33,569 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-25 19:29:33,569 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-25 19:29:33,688 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-25 19:29:33,693 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;@24ccfbf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-25 19:29:33,693 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-25 19:29:33,715 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 7214 states, 7212 states have (on average 1.6674986134220744) internal successors, (12026), 7213 states have internal predecessors, (12026), 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)
[2023-12-25 19:29:33,732 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 335
[2023-12-25 19:29:33,732 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 19:29:33,733 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]
[2023-12-25 19:29:33,734 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 19:29:33,738 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 19:29:33,738 INFO  L85        PathProgramCache]: Analyzing trace with hash -1159606898, now seen corresponding path program 1 times
[2023-12-25 19:29:33,746 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 19:29:33,746 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519362884]
[2023-12-25 19:29:33,746 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:29:33,747 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 19:29:34,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 19:29:35,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 19:29:35,279 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 19:29:35,280 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519362884]
[2023-12-25 19:29:35,280 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519362884] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 19:29:35,280 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 19:29:35,281 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-25 19:29:35,282 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37557623]
[2023-12-25 19:29:35,284 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 19:29:35,290 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 19:29:35,290 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 19:29:35,321 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 19:29:35,322 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 19:29:35,344 INFO  L87              Difference]: Start difference. First operand  has 7214 states, 7212 states have (on average 1.6674986134220744) internal successors, (12026), 7213 states have internal predecessors, (12026), 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 83.5) internal successors, (334), 4 states have internal predecessors, (334), 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)
[2023-12-25 19:29:35,734 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 19:29:35,735 INFO  L93              Difference]: Finished difference Result 14226 states and 23718 transitions.
[2023-12-25 19:29:35,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 19:29:35,738 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 83.5) internal successors, (334), 4 states have internal predecessors, (334), 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 334
[2023-12-25 19:29:35,741 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 19:29:35,784 INFO  L225             Difference]: With dead ends: 14226
[2023-12-25 19:29:35,784 INFO  L226             Difference]: Without dead ends: 7214
[2023-12-25 19:29:35,804 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
[2023-12-25 19:29:35,807 INFO  L413           NwaCegarLoop]: 12019 mSDtfsCounter, 1 mSDsluCounter, 24033 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36052 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-25 19:29:35,809 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36052 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-25 19:29:35,837 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7214 states.
[2023-12-25 19:29:35,982 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7214 to 7214.
[2023-12-25 19:29:35,999 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7214 states, 7213 states have (on average 1.6669901566615832) internal successors, (12024), 7213 states have internal predecessors, (12024), 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)
[2023-12-25 19:29:36,018 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7214 states to 7214 states and 12024 transitions.
[2023-12-25 19:29:36,019 INFO  L78                 Accepts]: Start accepts. Automaton has 7214 states and 12024 transitions. Word has length 334
[2023-12-25 19:29:36,022 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 19:29:36,022 INFO  L495      AbstractCegarLoop]: Abstraction has 7214 states and 12024 transitions.
[2023-12-25 19:29:36,022 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 83.5) internal successors, (334), 4 states have internal predecessors, (334), 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)
[2023-12-25 19:29:36,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 7214 states and 12024 transitions.
[2023-12-25 19:29:36,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 336
[2023-12-25 19:29:36,031 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 19:29:36,032 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]
[2023-12-25 19:29:36,032 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-25 19:29:36,032 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 19:29:36,033 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 19:29:36,033 INFO  L85        PathProgramCache]: Analyzing trace with hash -1586348542, now seen corresponding path program 1 times
[2023-12-25 19:29:36,033 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 19:29:36,034 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036221200]
[2023-12-25 19:29:36,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:29:36,034 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 19:29:36,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 19:29:36,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 19:29:36,829 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 19:29:36,829 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036221200]
[2023-12-25 19:29:36,829 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036221200] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 19:29:36,829 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 19:29:36,829 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-25 19:29:36,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704909224]
[2023-12-25 19:29:36,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 19:29:36,833 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 19:29:36,836 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 19:29:36,836 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 19:29:36,836 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 19:29:36,837 INFO  L87              Difference]: Start difference. First operand 7214 states and 12024 transitions. Second operand  has 4 states, 4 states have (on average 83.75) internal successors, (335), 4 states have internal predecessors, (335), 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)
[2023-12-25 19:29:37,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 19:29:37,314 INFO  L93              Difference]: Finished difference Result 14229 states and 23716 transitions.
[2023-12-25 19:29:37,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 19:29:37,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 83.75) internal successors, (335), 4 states have internal predecessors, (335), 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 335
[2023-12-25 19:29:37,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 19:29:37,340 INFO  L225             Difference]: With dead ends: 14229
[2023-12-25 19:29:37,340 INFO  L226             Difference]: Without dead ends: 7217
[2023-12-25 19:29:37,350 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
[2023-12-25 19:29:37,352 INFO  L413           NwaCegarLoop]: 12019 mSDtfsCounter, 1 mSDsluCounter, 24031 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36050 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-25 19:29:37,353 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36050 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-25 19:29:37,366 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7217 states.
[2023-12-25 19:29:37,472 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7217 to 7216.
[2023-12-25 19:29:37,497 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7216 states, 7215 states have (on average 1.6668052668052669) internal successors, (12026), 7215 states have internal predecessors, (12026), 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)
[2023-12-25 19:29:37,516 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7216 states to 7216 states and 12026 transitions.
[2023-12-25 19:29:37,517 INFO  L78                 Accepts]: Start accepts. Automaton has 7216 states and 12026 transitions. Word has length 335
[2023-12-25 19:29:37,517 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 19:29:37,517 INFO  L495      AbstractCegarLoop]: Abstraction has 7216 states and 12026 transitions.
[2023-12-25 19:29:37,518 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 83.75) internal successors, (335), 4 states have internal predecessors, (335), 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)
[2023-12-25 19:29:37,518 INFO  L276                IsEmpty]: Start isEmpty. Operand 7216 states and 12026 transitions.
[2023-12-25 19:29:37,522 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 337
[2023-12-25 19:29:37,522 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 19:29:37,522 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]
[2023-12-25 19:29:37,523 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-25 19:29:37,523 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 19:29:37,523 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 19:29:37,523 INFO  L85        PathProgramCache]: Analyzing trace with hash -2142595032, now seen corresponding path program 1 times
[2023-12-25 19:29:37,523 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 19:29:37,524 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349451294]
[2023-12-25 19:29:37,524 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:29:37,524 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 19:29:37,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 19:29:38,392 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 19:29:38,392 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 19:29:38,393 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349451294]
[2023-12-25 19:29:38,393 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349451294] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 19:29:38,393 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 19:29:38,393 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-25 19:29:38,394 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137214499]
[2023-12-25 19:29:38,394 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 19:29:38,394 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-25 19:29:38,395 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 19:29:38,395 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-25 19:29:38,397 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-25 19:29:38,398 INFO  L87              Difference]: Start difference. First operand 7216 states and 12026 transitions. Second operand  has 5 states, 5 states have (on average 67.2) internal successors, (336), 4 states have internal predecessors, (336), 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)
[2023-12-25 19:29:38,914 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 19:29:38,915 INFO  L93              Difference]: Finished difference Result 21522 states and 35871 transitions.
[2023-12-25 19:29:38,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-25 19:29:38,915 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 67.2) internal successors, (336), 4 states have internal predecessors, (336), 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 336
[2023-12-25 19:29:38,916 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 19:29:38,973 INFO  L225             Difference]: With dead ends: 21522
[2023-12-25 19:29:38,974 INFO  L226             Difference]: Without dead ends: 14508
[2023-12-25 19:29:38,988 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
[2023-12-25 19:29:38,990 INFO  L413           NwaCegarLoop]: 12491 mSDtfsCounter, 47204 mSDsluCounter, 24029 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47204 SdHoareTripleChecker+Valid, 36520 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
[2023-12-25 19:29:38,991 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [47204 Valid, 36520 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-25 19:29:39,009 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14508 states.
[2023-12-25 19:29:39,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14508 to 7506.
[2023-12-25 19:29:39,168 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7506 states, 7505 states have (on average 1.6666222518321119) internal successors, (12508), 7505 states have internal predecessors, (12508), 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)
[2023-12-25 19:29:39,185 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7506 states to 7506 states and 12508 transitions.
[2023-12-25 19:29:39,186 INFO  L78                 Accepts]: Start accepts. Automaton has 7506 states and 12508 transitions. Word has length 336
[2023-12-25 19:29:39,187 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 19:29:39,187 INFO  L495      AbstractCegarLoop]: Abstraction has 7506 states and 12508 transitions.
[2023-12-25 19:29:39,188 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 67.2) internal successors, (336), 4 states have internal predecessors, (336), 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)
[2023-12-25 19:29:39,189 INFO  L276                IsEmpty]: Start isEmpty. Operand 7506 states and 12508 transitions.
[2023-12-25 19:29:39,724 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4980
[2023-12-25 19:29:39,725 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 19:29:39,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 19:29:39,733 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-25 19:29:39,733 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 19:29:39,733 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 19:29:39,734 INFO  L85        PathProgramCache]: Analyzing trace with hash -691705429, now seen corresponding path program 1 times
[2023-12-25 19:29:39,735 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 19:29:39,735 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541512524]
[2023-12-25 19:29:39,735 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:29:39,735 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 19:29:40,226 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-25 19:29:40,226 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106256952]
[2023-12-25 19:29:40,227 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:29:40,228 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-25 19:29:40,228 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 19:29:40,231 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)
[2023-12-25 19:29:40,232 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-25 19:29:46,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 19:29:46,175 INFO  L262         TraceCheckSpWp]: Trace formula consists of 21707 conjuncts, 19 conjunts are in the unsatisfiable core
[2023-12-25 19:29:46,294 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 19:29:46,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 198 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked.
[2023-12-25 19:29:46,675 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 19:29:46,676 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 19:29:46,676 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541512524]
[2023-12-25 19:29:46,676 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-25 19:29:46,676 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106256952]
[2023-12-25 19:29:46,676 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106256952] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 19:29:46,676 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 19:29:46,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-12-25 19:29:46,677 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809044324]
[2023-12-25 19:29:46,677 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 19:29:46,682 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-25 19:29:46,682 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 19:29:46,686 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-25 19:29:46,687 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2023-12-25 19:29:46,688 INFO  L87              Difference]: Start difference. First operand 7506 states and 12508 transitions. Second operand  has 8 states, 8 states have (on average 598.5) internal successors, (4788), 8 states have internal predecessors, (4788), 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)
[2023-12-25 19:29:47,467 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 19:29:47,467 INFO  L93              Difference]: Finished difference Result 21527 states and 35876 transitions.
[2023-12-25 19:29:47,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-25 19:29:47,471 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 598.5) internal successors, (4788), 8 states have internal predecessors, (4788), 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 4979
[2023-12-25 19:29:47,479 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 19:29:47,510 INFO  L225             Difference]: With dead ends: 21527
[2023-12-25 19:29:47,510 INFO  L226             Difference]: Without dead ends: 14513
[2023-12-25 19:29:47,524 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4987 GetRequests, 4975 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182
[2023-12-25 19:29:47,529 INFO  L413           NwaCegarLoop]: 12492 mSDtfsCounter, 34763 mSDsluCounter, 61958 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34763 SdHoareTripleChecker+Valid, 74450 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-25 19:29:47,530 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [34763 Valid, 74450 Invalid, 62 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-25 19:29:47,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14513 states.
[2023-12-25 19:29:47,766 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14513 to 7506.
[2023-12-25 19:29:47,780 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7506 states, 7505 states have (on average 1.6666222518321119) internal successors, (12508), 7505 states have internal predecessors, (12508), 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)
[2023-12-25 19:29:47,796 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7506 states to 7506 states and 12508 transitions.
[2023-12-25 19:29:47,796 INFO  L78                 Accepts]: Start accepts. Automaton has 7506 states and 12508 transitions. Word has length 4979
[2023-12-25 19:29:47,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 19:29:47,805 INFO  L495      AbstractCegarLoop]: Abstraction has 7506 states and 12508 transitions.
[2023-12-25 19:29:47,807 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 598.5) internal successors, (4788), 8 states have internal predecessors, (4788), 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)
[2023-12-25 19:29:47,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 7506 states and 12508 transitions.
[2023-12-25 19:29:47,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4981
[2023-12-25 19:29:47,961 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 19:29:47,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2023-12-25 19:29:48,047 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-12-25 19:29:48,190 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-25 19:29:48,191 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 19:29:48,191 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 19:29:48,193 INFO  L85        PathProgramCache]: Analyzing trace with hash 1631876933, now seen corresponding path program 1 times
[2023-12-25 19:29:48,193 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 19:29:48,193 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911675913]
[2023-12-25 19:29:48,194 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:29:48,194 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 19:29:48,701 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-25 19:29:48,701 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375757161]
[2023-12-25 19:29:48,702 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:29:48,702 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-25 19:29:48,703 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 19:29:48,704 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-25 19:29:48,721 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-25 19:29:54,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 19:29:54,383 INFO  L262         TraceCheckSpWp]: Trace formula consists of 21710 conjuncts, 46 conjunts are in the unsatisfiable core
[2023-12-25 19:29:54,653 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 19:30:12,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 198 backedges. 6 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 19:30:12,341 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-25 19:30:40,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 198 backedges. 94 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 19:30:40,026 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 19:30:40,026 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911675913]
[2023-12-25 19:30:40,026 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-25 19:30:40,027 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375757161]
[2023-12-25 19:30:40,027 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [375757161] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-25 19:30:40,027 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-25 19:30:40,028 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34
[2023-12-25 19:30:40,028 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169315902]
[2023-12-25 19:30:40,028 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-25 19:30:40,037 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2023-12-25 19:30:40,037 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 19:30:40,045 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2023-12-25 19:30:40,046 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=984, Unknown=0, NotChecked=0, Total=1122
[2023-12-25 19:30:40,049 INFO  L87              Difference]: Start difference. First operand 7506 states and 12508 transitions. Second operand  has 34 states, 34 states have (on average 292.70588235294116) internal successors, (9952), 34 states have internal predecessors, (9952), 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)
[2023-12-25 19:30:48,552 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:30:53,107 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:30:57,796 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:31:01,806 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:32:26,249 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:32:29,618 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:32:33,453 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:32:37,517 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:32:38,772 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:32:42,778 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:32:46,784 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:35:01,393 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 19:35:01,393 INFO  L93              Difference]: Finished difference Result 617943 states and 1026496 transitions.
[2023-12-25 19:35:01,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 590 states. 
[2023-12-25 19:35:01,410 INFO  L78                 Accepts]: Start accepts. Automaton has  has 34 states, 34 states have (on average 292.70588235294116) internal successors, (9952), 34 states have internal predecessors, (9952), 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 4980
[2023-12-25 19:35:01,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 19:35:04,917 INFO  L225             Difference]: With dead ends: 617943
[2023-12-25 19:35:04,917 INFO  L226             Difference]: Without dead ends: 610927
[2023-12-25 19:35:05,207 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10736 GetRequests, 10117 SyntacticMatches, 0 SemanticMatches, 619 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184864 ImplicationChecksByTransitivity, 27.6s TimeCoverageRelationStatistics Valid=39322, Invalid=345698, Unknown=0, NotChecked=0, Total=385020
[2023-12-25 19:35:05,208 INFO  L413           NwaCegarLoop]: 20642 mSDtfsCounter, 1976959 mSDsluCounter, 627994 mSDsCounter, 0 mSdLazyCounter, 93378 mSolverCounterSat, 4514 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976959 SdHoareTripleChecker+Valid, 648636 SdHoareTripleChecker+Invalid, 97899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.4s SdHoareTripleChecker+Time, 4514 IncrementalHoareTripleChecker+Valid, 93378 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.2s IncrementalHoareTripleChecker+Time
[2023-12-25 19:35:05,208 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1976959 Valid, 648636 Invalid, 97899 Unknown, 0 Unchecked, 2.4s Time], IncrementalHoareTripleChecker [4514 Valid, 93378 Invalid, 7 Unknown, 0 Unchecked, 120.2s Time]
[2023-12-25 19:35:05,664 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 610927 states.
[2023-12-25 19:35:10,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 610927 to 17000.
[2023-12-25 19:35:10,244 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17000 states, 16999 states have (on average 1.6665686216836284) internal successors, (28330), 16999 states have internal predecessors, (28330), 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)
[2023-12-25 19:35:10,277 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17000 states to 17000 states and 28330 transitions.
[2023-12-25 19:35:10,277 INFO  L78                 Accepts]: Start accepts. Automaton has 17000 states and 28330 transitions. Word has length 4980
[2023-12-25 19:35:10,283 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 19:35:10,284 INFO  L495      AbstractCegarLoop]: Abstraction has 17000 states and 28330 transitions.
[2023-12-25 19:35:10,286 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 34 states, 34 states have (on average 292.70588235294116) internal successors, (9952), 34 states have internal predecessors, (9952), 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)
[2023-12-25 19:35:10,286 INFO  L276                IsEmpty]: Start isEmpty. Operand 17000 states and 28330 transitions.
[2023-12-25 19:35:10,481 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4982
[2023-12-25 19:35:10,482 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 19:35:10,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2023-12-25 19:35:10,590 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-12-25 19:35:10,716 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-25 19:35:10,717 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 19:35:10,717 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 19:35:10,719 INFO  L85        PathProgramCache]: Analyzing trace with hash -1979631833, now seen corresponding path program 1 times
[2023-12-25 19:35:10,719 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-25 19:35:10,719 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950910237]
[2023-12-25 19:35:10,720 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:35:10,720 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-25 19:35:11,415 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-25 19:35:11,415 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895660020]
[2023-12-25 19:35:11,416 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 19:35:11,417 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-25 19:35:11,417 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 19:35:11,418 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-25 19:35:11,420 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-25 19:35:17,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 19:35:17,871 INFO  L262         TraceCheckSpWp]: Trace formula consists of 21713 conjuncts, 61 conjunts are in the unsatisfiable core
[2023-12-25 19:35:18,075 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 19:35:37,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 198 backedges. 4 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 19:35:37,257 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-25 19:35:49,331 INFO  L134       CoverageAnalysis]: Checked inductivity of 198 backedges. 90 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 19:35:49,331 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-25 19:35:49,331 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950910237]
[2023-12-25 19:35:49,332 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-25 19:35:49,332 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895660020]
[2023-12-25 19:35:49,332 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [895660020] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-25 19:35:49,332 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-25 19:35:49,333 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20] total 42
[2023-12-25 19:35:49,333 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743577795]
[2023-12-25 19:35:49,333 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-25 19:35:49,341 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 42 states
[2023-12-25 19:35:49,341 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-25 19:35:49,349 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants.
[2023-12-25 19:35:49,349 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1565, Unknown=0, NotChecked=0, Total=1722
[2023-12-25 19:35:49,351 INFO  L87              Difference]: Start difference. First operand 17000 states and 28330 transitions. Second operand  has 42 states, 42 states have (on average 237.0952380952381) internal successors, (9958), 42 states have internal predecessors, (9958), 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)
[2023-12-25 19:36:00,551 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:04,562 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:09,206 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:12,250 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:16,344 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:20,602 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:22,523 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:27,343 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:31,362 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:35,369 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:39,819 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:42,914 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:45,026 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:49,321 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:53,470 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:36:57,478 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:37:01,485 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:37:05,585 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:37:10,522 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-25 19:37:13,170 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
Received shutdown request...
[2023-12-25 19:41:14,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. 
[2023-12-25 19:41:14,480 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
[2023-12-25 19:41:14,480 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-25 19:41:14,500 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10261 GetRequests, 9922 SyntacticMatches, 0 SemanticMatches, 339 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47114 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=17168, Invalid=98772, Unknown=0, NotChecked=0, Total=115940
[2023-12-25 19:41:14,501 INFO  L413           NwaCegarLoop]: 19632 mSDtfsCounter, 1018086 mSDsluCounter, 733813 mSDsCounter, 0 mSdLazyCounter, 108642 mSolverCounterSat, 7807 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018086 SdHoareTripleChecker+Valid, 753445 SdHoareTripleChecker+Invalid, 116464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.6s SdHoareTripleChecker+Time, 7807 IncrementalHoareTripleChecker+Valid, 108642 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.7s IncrementalHoareTripleChecker+Time
[2023-12-25 19:41:14,501 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1018086 Valid, 753445 Invalid, 116464 Unknown, 0 Unchecked, 2.6s Time], IncrementalHoareTripleChecker [7807 Valid, 108642 Invalid, 15 Unknown, 0 Unchecked, 171.7s Time]
[2023-12-25 19:41:14,503 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-25 19:41:14,596 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-12-25 19:41:14,732 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-25 19:41:14,733 WARN  L619      AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (17000states) and FLOYD_HOARE automaton (currently 302 states, 42 states before enhancement),while ReachableStatesComputation was computing reachable states (544253 states constructed, input type IntersectNwa).
[2023-12-25 19:41:14,737 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-12-25 19:41:14,739 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-25 19:41:14,740 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 07:41:14 BoogieIcfgContainer
[2023-12-25 19:41:14,740 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-25 19:41:14,741 INFO  L158              Benchmark]: Toolchain (without parser) took 728629.95ms. Allocated memory was 194.0MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 122.3MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB.
[2023-12-25 19:41:14,741 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 19:41:14,741 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1692.21ms. Allocated memory was 194.0MB in the beginning and 479.2MB in the end (delta: 285.2MB). Free memory was 122.1MB in the beginning and 328.9MB in the end (delta: -206.8MB). Peak memory consumption was 152.1MB. Max. memory is 8.0GB.
[2023-12-25 19:41:14,741 INFO  L158              Benchmark]: Boogie Procedure Inliner took 3057.85ms. Allocated memory was 479.2MB in the beginning and 2.8GB in the end (delta: 2.3GB). Free memory was 328.9MB in the beginning and 2.2GB in the end (delta: -1.9GB). Peak memory consumption was 394.3MB. Max. memory is 8.0GB.
[2023-12-25 19:41:14,742 INFO  L158              Benchmark]: Boogie Preprocessor took 3048.49ms. Allocated memory is still 2.8GB. Free memory was 2.2GB in the beginning and 2.1GB in the end (delta: 183.0MB). Peak memory consumption was 205.5MB. Max. memory is 8.0GB.
[2023-12-25 19:41:14,742 INFO  L158              Benchmark]: RCFGBuilder took 19633.57ms. Allocated memory was 2.8GB in the beginning and 4.8GB in the end (delta: 2.0GB). Free memory was 2.1GB in the beginning and 3.9GB in the end (delta: -1.9GB). Peak memory consumption was 904.7MB. Max. memory is 8.0GB.
[2023-12-25 19:41:14,742 INFO  L158              Benchmark]: TraceAbstraction took 701189.82ms. Allocated memory is still 4.8GB. Free memory was 3.9GB in the beginning and 2.2GB in the end (delta: 1.7GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB.
[2023-12-25 19:41:14,743 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 1692.21ms. Allocated memory was 194.0MB in the beginning and 479.2MB in the end (delta: 285.2MB). Free memory was 122.1MB in the beginning and 328.9MB in the end (delta: -206.8MB). Peak memory consumption was 152.1MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 3057.85ms. Allocated memory was 479.2MB in the beginning and 2.8GB in the end (delta: 2.3GB). Free memory was 328.9MB in the beginning and 2.2GB in the end (delta: -1.9GB). Peak memory consumption was 394.3MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 3048.49ms. Allocated memory is still 2.8GB. Free memory was 2.2GB in the beginning and 2.1GB in the end (delta: 183.0MB). Peak memory consumption was 205.5MB. Max. memory is 8.0GB.
 * RCFGBuilder took 19633.57ms. Allocated memory was 2.8GB in the beginning and 4.8GB in the end (delta: 2.0GB). Free memory was 2.1GB in the beginning and 3.9GB in the end (delta: -1.9GB). Peak memory consumption was 904.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 701189.82ms. Allocated memory is still 4.8GB. Free memory was 3.9GB in the beginning and 2.2GB in the end (delta: 1.7GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was constructing difference of abstraction (17000states) and FLOYD_HOARE automaton (currently 302 states, 42 states before enhancement),while ReachableStatesComputation was computing reachable states (544253 states constructed, input type IntersectNwa).
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 7214 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 701.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 592.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 22 mSolverCounterUnknown, 3077014 SdHoareTripleChecker+Valid, 292.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3077014 mSDsluCounter, 1585153 SdHoareTripleChecker+Invalid, 265.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1495858 mSDsCounter, 12323 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202129 IncrementalHoareTripleChecker+Invalid, 214474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12323 mSolverCounterUnsat, 89295 mSDtfsCounter, 202129 mSolverCounterSat, 5.5s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26001 GetRequests, 25021 SyntacticMatches, 0 SemanticMatches, 980 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231996 ImplicationChecksByTransitivity, 50.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17000occurred in iteration=5, InterpolantAutomatonStates: 613, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 607937 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.0s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 80.5s InterpolantComputationTime, 15945 NumberOfCodeBlocks, 15945 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25898 ConstructedInterpolants, 0 QuantifiedInterpolants, 216871 SizeOfPredicates, 47 NumberOfNonLiveVariables, 65130 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 392/990 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
[2023-12-25 19:41:14,972 WARN  L435       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2023-12-25 19:41:15,099 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 137

!ENTRY org.eclipse.osgi 4 0 2023-12-25 19:41:15.112
!MESSAGE Application error
!STACK 1
org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6933de1/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory)
	at java.base/java.io.FileOutputStream.open0(Native Method)
	at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:237)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:187)
	at org.eclipse.core.internal.localstore.SafeFileOutputStream.<init>(SafeFileOutputStream.java:55)
	at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381)
	at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168)
	at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333)
	at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
An error has occurred. See the log file
/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6933de1/.metadata/.log.