/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-56.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-20 19:19:01,106 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-20 19:19:01,158 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-20 19:19:01,162 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-20 19:19:01,162 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-20 19:19:01,191 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-20 19:19:01,192 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-20 19:19:01,192 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-20 19:19:01,193 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-20 19:19:01,196 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-20 19:19:01,196 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-20 19:19:01,196 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-20 19:19:01,197 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-20 19:19:01,198 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-20 19:19:01,198 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-20 19:19:01,198 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-20 19:19:01,199 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-20 19:19:01,199 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-20 19:19:01,199 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-20 19:19:01,199 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-20 19:19:01,199 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-20 19:19:01,200 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-20 19:19:01,200 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-20 19:19:01,200 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-20 19:19:01,200 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-20 19:19:01,200 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-20 19:19:01,201 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-20 19:19:01,201 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-20 19:19:01,201 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-20 19:19:01,201 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-20 19:19:01,202 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-20 19:19:01,202 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-20 19:19:01,202 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 19:19:01,203 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-20 19:19:01,203 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-20 19:19:01,203 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-20 19:19:01,203 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-20 19:19:01,203 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-20 19:19:01,203 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-20 19:19:01,203 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-20 19:19:01,203 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-20 19:19:01,204 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-20 19:19:01,204 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-20 19:19:01,204 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false
[2023-12-20 19:19:01,424 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-20 19:19:01,440 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-20 19:19:01,442 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-20 19:19:01,443 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-20 19:19:01,443 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-20 19:19:01,444 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-56.i
[2023-12-20 19:19:02,478 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-20 19:19:02,643 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-20 19:19:02,644 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-56.i
[2023-12-20 19:19:02,650 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4e0d92c/bb69e737a9f941859939d7844374f6d1/FLAGb68dc7b42
[2023-12-20 19:19:02,659 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4e0d92c/bb69e737a9f941859939d7844374f6d1
[2023-12-20 19:19:02,661 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-20 19:19:02,662 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-20 19:19:02,663 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-20 19:19:02,663 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-20 19:19:02,667 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-20 19:19:02,667 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:02,668 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f53217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02, skipping insertion in model container
[2023-12-20 19:19:02,668 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:02,705 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-20 19:19:02,813 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-56.i[915,928]
[2023-12-20 19:19:02,879 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 19:19:02,888 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-20 19:19:02,896 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-56.i[915,928]
[2023-12-20 19:19:02,937 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 19:19:02,949 INFO  L206         MainTranslator]: Completed translation
[2023-12-20 19:19:02,950 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02 WrapperNode
[2023-12-20 19:19:02,950 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-20 19:19:02,951 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-20 19:19:02,951 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-20 19:19:02,951 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-20 19:19:02,956 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:02,964 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,006 INFO  L138                Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190
[2023-12-20 19:19:03,007 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-20 19:19:03,007 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-20 19:19:03,007 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-20 19:19:03,008 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-20 19:19:03,015 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,015 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,019 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,035 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].
[2023-12-20 19:19:03,036 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,036 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,046 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,048 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,050 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,052 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,055 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-20 19:19:03,056 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-20 19:19:03,056 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-20 19:19:03,056 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-20 19:19:03,056 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (1/1) ...
[2023-12-20 19:19:03,060 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 19:19:03,069 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:19:03,082 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)
[2023-12-20 19:19:03,101 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
[2023-12-20 19:19:03,105 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-20 19:19:03,105 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-20 19:19:03,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-20 19:19:03,105 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-20 19:19:03,106 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-20 19:19:03,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-20 19:19:03,196 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-20 19:19:03,197 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-20 19:19:03,458 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-20 19:19:03,488 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-20 19:19:03,488 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-20 19:19:03,489 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:19:03 BoogieIcfgContainer
[2023-12-20 19:19:03,489 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-20 19:19:03,490 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-20 19:19:03,490 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-20 19:19:03,493 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-20 19:19:03,493 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 07:19:02" (1/3) ...
[2023-12-20 19:19:03,493 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaa72fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:19:03, skipping insertion in model container
[2023-12-20 19:19:03,493 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:19:02" (2/3) ...
[2023-12-20 19:19:03,493 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaa72fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:19:03, skipping insertion in model container
[2023-12-20 19:19:03,494 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:19:03" (3/3) ...
[2023-12-20 19:19:03,494 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-56.i
[2023-12-20 19:19:03,507 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-20 19:19:03,507 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-20 19:19:03,554 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-20 19:19:03,559 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;@2c81167f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-20 19:19:03,559 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-20 19:19:03,562 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 78 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-12-20 19:19:03,583 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2023-12-20 19:19:03,584 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:19:03,585 INFO  L195           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:19:03,585 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:19:03,591 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:19:03,591 INFO  L85        PathProgramCache]: Analyzing trace with hash 165761846, now seen corresponding path program 1 times
[2023-12-20 19:19:03,598 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:19:03,599 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627619096]
[2023-12-20 19:19:03,599 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:03,599 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:19:03,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:19:03,821 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:19:03,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627619096]
[2023-12-20 19:19:03,821 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-20 19:19:03,822 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565576963]
[2023-12-20 19:19:03,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:03,822 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:19:03,822 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:19:03,841 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)
[2023-12-20 19:19:03,847 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-20 19:19:03,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:19:03,965 INFO  L262         TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-20 19:19:03,972 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:19:04,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked.
[2023-12-20 19:19:04,004 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 19:19:04,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [565576963] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 19:19:04,004 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 19:19:04,005 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-20 19:19:04,006 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621028356]
[2023-12-20 19:19:04,006 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 19:19:04,010 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-20 19:19:04,010 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:19:04,027 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-20 19:19:04,028 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 19:19:04,029 INFO  L87              Difference]: Start difference. First operand  has 78 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34)
[2023-12-20 19:19:04,068 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:19:04,068 INFO  L93              Difference]: Finished difference Result 153 states and 278 transitions.
[2023-12-20 19:19:04,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-20 19:19:04,072 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 205
[2023-12-20 19:19:04,072 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:19:04,079 INFO  L225             Difference]: With dead ends: 153
[2023-12-20 19:19:04,079 INFO  L226             Difference]: Without dead ends: 76
[2023-12-20 19:19:04,082 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 19:19:04,085 INFO  L413           NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-20 19:19:04,085 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-20 19:19:04,096 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2023-12-20 19:19:04,115 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2023-12-20 19:19:04,116 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-12-20 19:19:04,118 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 118 transitions.
[2023-12-20 19:19:04,119 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 118 transitions. Word has length 205
[2023-12-20 19:19:04,119 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:19:04,119 INFO  L495      AbstractCegarLoop]: Abstraction has 76 states and 118 transitions.
[2023-12-20 19:19:04,119 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34)
[2023-12-20 19:19:04,120 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions.
[2023-12-20 19:19:04,122 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2023-12-20 19:19:04,122 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:19:04,122 INFO  L195           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:19:04,131 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-12-20 19:19:04,328 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-12-20 19:19:04,329 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:19:04,330 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:19:04,330 INFO  L85        PathProgramCache]: Analyzing trace with hash 1008949750, now seen corresponding path program 1 times
[2023-12-20 19:19:04,330 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:19:04,330 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126761818]
[2023-12-20 19:19:04,330 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:04,330 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:19:04,381 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:19:04,381 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466255103]
[2023-12-20 19:19:04,381 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:04,381 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:19:04,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:19:04,383 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)
[2023-12-20 19:19:04,392 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-20 19:19:04,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:19:04,526 INFO  L262         TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-20 19:19:04,550 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:19:04,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked.
[2023-12-20 19:19:04,636 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 19:19:04,636 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:19:04,636 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126761818]
[2023-12-20 19:19:04,636 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 19:19:04,637 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466255103]
[2023-12-20 19:19:04,637 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [466255103] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 19:19:04,637 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 19:19:04,637 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-20 19:19:04,637 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396941460]
[2023-12-20 19:19:04,638 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 19:19:04,641 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-20 19:19:04,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:19:04,642 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-20 19:19:04,642 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-20 19:19:04,643 INFO  L87              Difference]: Start difference. First operand 76 states and 118 transitions. Second operand  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2023-12-20 19:19:04,694 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:19:04,695 INFO  L93              Difference]: Finished difference Result 151 states and 235 transitions.
[2023-12-20 19:19:04,695 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-20 19:19:04,695 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 205
[2023-12-20 19:19:04,699 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:19:04,701 INFO  L225             Difference]: With dead ends: 151
[2023-12-20 19:19:04,701 INFO  L226             Difference]: Without dead ends: 76
[2023-12-20 19:19:04,702 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-20 19:19:04,703 INFO  L413           NwaCegarLoop]: 111 mSDtfsCounter, 5 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-20 19:19:04,703 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 214 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-20 19:19:04,704 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2023-12-20 19:19:04,710 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2023-12-20 19:19:04,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2023-12-20 19:19:04,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 117 transitions.
[2023-12-20 19:19:04,712 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 117 transitions. Word has length 205
[2023-12-20 19:19:04,716 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:19:04,716 INFO  L495      AbstractCegarLoop]: Abstraction has 76 states and 117 transitions.
[2023-12-20 19:19:04,716 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2023-12-20 19:19:04,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions.
[2023-12-20 19:19:04,719 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2023-12-20 19:19:04,719 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:19:04,719 INFO  L195           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:19:04,727 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-12-20 19:19:04,924 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-12-20 19:19:04,925 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:19:04,925 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:19:04,925 INFO  L85        PathProgramCache]: Analyzing trace with hash 1007102708, now seen corresponding path program 1 times
[2023-12-20 19:19:04,926 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:19:04,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430056190]
[2023-12-20 19:19:04,927 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:04,928 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:19:04,982 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:19:04,983 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976510997]
[2023-12-20 19:19:04,983 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:04,983 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:19:04,983 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:19:04,984 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)
[2023-12-20 19:19:05,015 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-20 19:19:05,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:19:05,102 INFO  L262         TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-20 19:19:05,106 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:19:05,216 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked.
[2023-12-20 19:19:05,216 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 19:19:05,216 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:19:05,216 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430056190]
[2023-12-20 19:19:05,217 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 19:19:05,217 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976510997]
[2023-12-20 19:19:05,217 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [976510997] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 19:19:05,217 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 19:19:05,217 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-20 19:19:05,217 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706308297]
[2023-12-20 19:19:05,217 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 19:19:05,218 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-20 19:19:05,218 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:19:05,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-20 19:19:05,220 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-20 19:19:05,220 INFO  L87              Difference]: Start difference. First operand 76 states and 117 transitions. Second operand  has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2023-12-20 19:19:05,359 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:19:05,359 INFO  L93              Difference]: Finished difference Result 219 states and 321 transitions.
[2023-12-20 19:19:05,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-20 19:19:05,359 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 205
[2023-12-20 19:19:05,363 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:19:05,366 INFO  L225             Difference]: With dead ends: 219
[2023-12-20 19:19:05,366 INFO  L226             Difference]: Without dead ends: 144
[2023-12-20 19:19:05,367 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2023-12-20 19:19:05,368 INFO  L413           NwaCegarLoop]: 121 mSDtfsCounter, 128 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-20 19:19:05,368 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 437 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-20 19:19:05,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2023-12-20 19:19:05,378 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 101.
[2023-12-20 19:19:05,379 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 61 states have internal predecessors, (76), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2023-12-20 19:19:05,380 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions.
[2023-12-20 19:19:05,380 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 205
[2023-12-20 19:19:05,380 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:19:05,380 INFO  L495      AbstractCegarLoop]: Abstraction has 101 states and 152 transitions.
[2023-12-20 19:19:05,381 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2023-12-20 19:19:05,381 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions.
[2023-12-20 19:19:05,382 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2023-12-20 19:19:05,382 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:19:05,382 INFO  L195           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:19:05,391 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-12-20 19:19:05,583 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:19:05,583 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:19:05,584 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:19:05,584 INFO  L85        PathProgramCache]: Analyzing trace with hash -1512857226, now seen corresponding path program 1 times
[2023-12-20 19:19:05,584 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:19:05,584 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952617365]
[2023-12-20 19:19:05,584 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:05,584 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:19:05,614 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:19:05,614 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [861793271]
[2023-12-20 19:19:05,614 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:05,614 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:19:05,614 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:19:05,624 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-20 19:19:05,628 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-12-20 19:19:05,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:19:05,756 INFO  L262         TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-20 19:19:05,759 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:19:05,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 505 proven. 87 refuted. 0 times theorem prover too weak. 1652 trivial. 0 not checked.
[2023-12-20 19:19:05,958 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-20 19:19:06,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 12 proven. 87 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked.
[2023-12-20 19:19:06,118 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:19:06,118 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952617365]
[2023-12-20 19:19:06,119 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 19:19:06,119 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861793271]
[2023-12-20 19:19:06,119 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [861793271] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-20 19:19:06,119 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-20 19:19:06,119 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-12-20 19:19:06,119 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482090573]
[2023-12-20 19:19:06,119 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-20 19:19:06,120 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-20 19:19:06,120 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:19:06,120 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-20 19:19:06,120 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-20 19:19:06,121 INFO  L87              Difference]: Start difference. First operand 101 states and 152 transitions. Second operand  has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64)
[2023-12-20 19:19:06,260 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:19:06,260 INFO  L93              Difference]: Finished difference Result 209 states and 310 transitions.
[2023-12-20 19:19:06,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-20 19:19:06,261 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 205
[2023-12-20 19:19:06,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:19:06,263 INFO  L225             Difference]: With dead ends: 209
[2023-12-20 19:19:06,263 INFO  L226             Difference]: Without dead ends: 106
[2023-12-20 19:19:06,264 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 402 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-12-20 19:19:06,264 INFO  L413           NwaCegarLoop]: 75 mSDtfsCounter, 29 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-20 19:19:06,265 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 157 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-20 19:19:06,265 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2023-12-20 19:19:06,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102.
[2023-12-20 19:19:06,274 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 60 states have (on average 1.2) internal successors, (72), 61 states have internal predecessors, (72), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2023-12-20 19:19:06,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 148 transitions.
[2023-12-20 19:19:06,274 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 148 transitions. Word has length 205
[2023-12-20 19:19:06,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:19:06,275 INFO  L495      AbstractCegarLoop]: Abstraction has 102 states and 148 transitions.
[2023-12-20 19:19:06,275 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64)
[2023-12-20 19:19:06,275 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions.
[2023-12-20 19:19:06,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2023-12-20 19:19:06,277 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:19:06,277 INFO  L195           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:19:06,287 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-12-20 19:19:06,483 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:19:06,483 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:19:06,483 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:19:06,484 INFO  L85        PathProgramCache]: Analyzing trace with hash 614075698, now seen corresponding path program 1 times
[2023-12-20 19:19:06,484 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:19:06,484 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920568153]
[2023-12-20 19:19:06,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:06,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:19:06,516 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:19:06,517 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382224154]
[2023-12-20 19:19:06,517 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:19:06,517 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:19:06,517 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:19:06,518 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-20 19:19:06,532 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-12-20 19:19:06,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:19:06,797 INFO  L262         TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 46 conjunts are in the unsatisfiable core
[2023-12-20 19:19:06,803 INFO  L285         TraceCheckSpWp]: Computing forward predicates...