/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe014_rmo.oepc.line960.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m
[2022-10-04 07:29:03,191 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-04 07:29:03,193 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-04 07:29:03,219 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-04 07:29:03,220 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-04 07:29:03,221 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-04 07:29:03,222 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-04 07:29:03,230 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-04 07:29:03,232 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-04 07:29:03,238 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-04 07:29:03,239 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-04 07:29:03,240 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-04 07:29:03,241 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-04 07:29:03,242 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-04 07:29:03,244 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-04 07:29:03,246 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-04 07:29:03,247 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-04 07:29:03,248 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-04 07:29:03,251 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-04 07:29:03,256 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-04 07:29:03,257 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-04 07:29:03,259 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-04 07:29:03,261 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-04 07:29:03,262 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-04 07:29:03,270 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-04 07:29:03,271 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-04 07:29:03,271 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-04 07:29:03,272 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-04 07:29:03,273 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-04 07:29:03,274 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-04 07:29:03,274 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-04 07:29:03,274 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-04 07:29:03,276 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-04 07:29:03,276 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-04 07:29:03,277 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-04 07:29:03,277 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-04 07:29:03,278 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-04 07:29:03,278 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-04 07:29:03,278 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-04 07:29:03,279 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-04 07:29:03,280 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-04 07:29:03,281 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-04 07:29:03,312 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-04 07:29:03,313 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-04 07:29:03,313 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-04 07:29:03,314 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-04 07:29:03,314 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-04 07:29:03,315 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-04 07:29:03,315 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-04 07:29:03,315 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-04 07:29:03,315 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-04 07:29:03,316 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-04 07:29:03,316 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-04 07:29:03,317 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-04 07:29:03,317 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-04 07:29:03,317 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-04 07:29:03,317 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-04 07:29:03,317 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-04 07:29:03,317 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-04 07:29:03,317 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-04 07:29:03,318 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-04 07:29:03,318 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-04 07:29:03,318 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-04 07:29:03,318 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-04 07:29:03,318 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-04 07:29:03,318 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-04 07:29:03,319 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-04 07:29:03,319 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-04 07:29:03,319 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-04 07:29:03,319 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-04 07:29:03,319 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-04 07:29:03,319 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-04 07:29:03,319 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-04 07:29:03,320 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-04 07:29:03,320 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-04 07:29:03,320 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-04 07:29:03,320 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-04 07:29:03,320 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-04 07:29:03,320 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-04 07:29:03,321 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-04 07:29:03,321 INFO  L138        SettingsManager]:  * Independence relation used for POR in concurrent analysis=SYNTACTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-04 07:29:03,582 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-04 07:29:03,620 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-04 07:29:03,622 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-04 07:29:03,623 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-04 07:29:03,625 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-04 07:29:03,626 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe014_rmo.oepc.line960.bpl
[2022-10-04 07:29:03,626 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe014_rmo.oepc.line960.bpl'
[2022-10-04 07:29:03,686 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-04 07:29:03,688 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2022-10-04 07:29:03,689 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-04 07:29:03,690 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-04 07:29:03,690 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-04 07:29:03,705 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,706 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,733 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,733 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,752 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,757 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,761 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,771 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-04 07:29:03,779 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-04 07:29:03,784 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-04 07:29:03,784 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-04 07:29:03,796 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/1) ...
[2022-10-04 07:29:03,803 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-04 07:29:03,812 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 07:29:03,833 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-04 07:29:03,856 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-04 07:29:03,876 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-10-04 07:29:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-10-04 07:29:03,876 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-10-04 07:29:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-10-04 07:29:03,876 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-10-04 07:29:03,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-10-04 07:29:03,877 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-04 07:29:03,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-04 07:29:03,878 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-04 07:29:04,056 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-04 07:29:04,057 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-04 07:29:04,724 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-04 07:29:04,753 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-04 07:29:04,753 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-04 07:29:04,756 INFO  L202        PluginConnector]: Adding new model safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 07:29:04 BoogieIcfgContainer
[2022-10-04 07:29:04,756 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-04 07:29:04,759 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-04 07:29:04,759 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-04 07:29:04,773 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-04 07:29:04,773 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 07:29:03" (1/2) ...
[2022-10-04 07:29:04,775 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6289a841 and model type safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 07:29:04, skipping insertion in model container
[2022-10-04 07:29:04,776 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_rmo.oepc.line960.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 07:29:04" (2/2) ...
[2022-10-04 07:29:04,778 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe014_rmo.oepc.line960.bpl
[2022-10-04 07:29:04,786 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-04 07:29:04,795 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-04 07:29:04,795 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-04 07:29:04,795 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-04 07:29:04,955 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-10-04 07:29:05,027 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 07:29:05,028 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 07:29:05,029 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 07:29:05,039 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-04 07:29:05,061 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-10-04 07:29:05,075 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 07:29:05,090 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-04 07:29:05,097 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4e628c7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 07:29:05,097 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 07:29:05,415 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:29:05,421 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:29:05,422 INFO  L85        PathProgramCache]: Analyzing trace with hash -1150838738, now seen corresponding path program 1 times
[2022-10-04 07:29:05,432 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:29:05,433 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850165862]
[2022-10-04 07:29:05,433 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:29:05,433 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:29:05,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:29:05,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:29:05,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:29:05,875 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850165862]
[2022-10-04 07:29:05,876 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850165862] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:29:05,876 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:29:05,876 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-04 07:29:05,877 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515473828]
[2022-10-04 07:29:05,878 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:29:05,887 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-04 07:29:05,887 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:29:05,910 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-04 07:29:05,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-04 07:29:05,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:05,917 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:29:05,918 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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)
[2022-10-04 07:29:05,918 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:22,502 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-04 07:29:22,503 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:29:22,506 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:29:22,507 INFO  L85        PathProgramCache]: Analyzing trace with hash 1176546699, now seen corresponding path program 1 times
[2022-10-04 07:29:22,507 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:29:22,507 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669843402]
[2022-10-04 07:29:22,507 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:29:22,508 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:29:22,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:29:22,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:29:22,834 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:29:22,834 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669843402]
[2022-10-04 07:29:22,834 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669843402] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:29:22,834 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:29:22,834 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-04 07:29:22,835 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032860108]
[2022-10-04 07:29:22,835 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:29:22,836 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-04 07:29:22,836 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:29:22,837 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-04 07:29:22,837 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-04 07:29:22,837 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:22,839 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:29:22,840 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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)
[2022-10-04 07:29:22,840 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:22,840 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:31,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:31,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:31,043 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-04 07:29:31,043 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:29:31,044 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:29:31,045 INFO  L85        PathProgramCache]: Analyzing trace with hash -414495282, now seen corresponding path program 1 times
[2022-10-04 07:29:31,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:29:31,045 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809481711]
[2022-10-04 07:29:31,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:29:31,045 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:29:31,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:29:31,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:29:31,260 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:29:31,260 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809481711]
[2022-10-04 07:29:31,261 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809481711] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:29:31,262 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:29:31,262 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-04 07:29:31,262 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471998177]
[2022-10-04 07:29:31,262 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:29:31,264 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-04 07:29:31,264 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:29:31,264 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-04 07:29:31,265 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-04 07:29:31,265 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:31,266 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:29:31,266 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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)
[2022-10-04 07:29:31,266 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:31,267 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:31,267 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:38,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:38,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:38,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:38,892 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-04 07:29:38,893 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:29:38,893 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:29:38,893 INFO  L85        PathProgramCache]: Analyzing trace with hash -1030804890, now seen corresponding path program 1 times
[2022-10-04 07:29:38,894 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:29:38,894 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141369048]
[2022-10-04 07:29:38,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:29:38,894 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:29:38,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:29:39,038 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:29:39,038 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:29:39,038 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141369048]
[2022-10-04 07:29:39,039 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141369048] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:29:39,040 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:29:39,040 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-04 07:29:39,041 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554303497]
[2022-10-04 07:29:39,046 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:29:39,047 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-04 07:29:39,047 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:29:39,048 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-04 07:29:39,048 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-04 07:29:39,048 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:39,049 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:29:39,049 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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)
[2022-10-04 07:29:39,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:39,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:39,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:39,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:46,444 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:46,444 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:46,444 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:46,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:46,445 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-04 07:29:46,445 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:29:46,446 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:29:46,446 INFO  L85        PathProgramCache]: Analyzing trace with hash -852725138, now seen corresponding path program 1 times
[2022-10-04 07:29:46,446 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:29:46,446 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291984646]
[2022-10-04 07:29:46,447 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:29:46,447 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:29:46,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:29:46,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:29:46,540 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:29:46,540 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291984646]
[2022-10-04 07:29:46,540 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291984646] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:29:46,541 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:29:46,541 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-04 07:29:46,541 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783692512]
[2022-10-04 07:29:46,541 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:29:46,542 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-04 07:29:46,542 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:29:46,542 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-04 07:29:46,542 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-04 07:29:46,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:46,543 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:29:46,544 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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)
[2022-10-04 07:29:46,544 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:46,544 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:46,544 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:46,544 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:46,544 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:53,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:53,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,536 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-04 07:29:53,537 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:29:53,537 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:29:53,537 INFO  L85        PathProgramCache]: Analyzing trace with hash -86735615, now seen corresponding path program 1 times
[2022-10-04 07:29:53,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:29:53,538 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686855032]
[2022-10-04 07:29:53,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:29:53,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:29:53,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:29:53,916 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:29:53,916 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:29:53,916 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686855032]
[2022-10-04 07:29:53,916 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686855032] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:29:53,917 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:29:53,917 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-10-04 07:29:53,917 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360726936]
[2022-10-04 07:29:53,917 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:29:53,917 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-04 07:29:53,918 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:29:53,918 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-04 07:29:53,918 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-04 07:29:53,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:53,919 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:29:53,919 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 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)
[2022-10-04 07:29:53,919 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:29:53,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:29:53,920 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:01,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:01,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:01,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:01,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:01,927 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:01,927 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:01,927 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-04 07:30:01,929 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:30:01,929 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:30:01,929 INFO  L85        PathProgramCache]: Analyzing trace with hash -1580822719, now seen corresponding path program 2 times
[2022-10-04 07:30:01,929 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:30:01,929 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228983441]
[2022-10-04 07:30:01,930 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:30:01,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:30:01,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:30:02,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:30:02,213 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:30:02,213 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228983441]
[2022-10-04 07:30:02,213 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228983441] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:30:02,216 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:30:02,216 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-10-04 07:30:02,217 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877694660]
[2022-10-04 07:30:02,217 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:30:02,217 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-04 07:30:02,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:30:02,218 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-04 07:30:02,220 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-10-04 07:30:02,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:02,221 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:30:02,221 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 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)
[2022-10-04 07:30:02,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:02,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:02,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:02,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:02,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:02,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:02,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:10,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:10,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:10,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-04 07:30:10,676 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-04 07:30:10,676 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:30:10,681 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:30:10,681 INFO  L85        PathProgramCache]: Analyzing trace with hash -1262335148, now seen corresponding path program 1 times
[2022-10-04 07:30:10,682 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:30:10,682 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438788293]
[2022-10-04 07:30:10,682 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:30:10,682 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:30:10,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:30:10,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:30:10,953 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:30:10,954 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438788293]
[2022-10-04 07:30:10,954 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438788293] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:30:10,955 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:30:10,955 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-10-04 07:30:10,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209194689]
[2022-10-04 07:30:10,962 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:30:10,963 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-10-04 07:30:10,963 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:30:10,964 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-10-04 07:30:10,964 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-04 07:30:10,964 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:10,965 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:30:10,965 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 59.0) internal successors, (295), 5 states have internal predecessors, (295), 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)
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-04 07:30:10,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:18,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:18,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:18,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:18,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:18,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:18,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:18,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-04 07:30:18,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:18,849 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-04 07:30:18,849 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:30:18,851 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:30:18,851 INFO  L85        PathProgramCache]: Analyzing trace with hash -1819288473, now seen corresponding path program 1 times
[2022-10-04 07:30:18,851 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:30:18,851 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221570571]
[2022-10-04 07:30:18,852 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:30:18,852 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:30:18,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:30:19,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:30:19,030 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:30:19,030 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221570571]
[2022-10-04 07:30:19,030 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221570571] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:30:19,030 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:30:19,030 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-04 07:30:19,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092630826]
[2022-10-04 07:30:19,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:30:19,031 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-04 07:30:19,031 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:30:19,033 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-04 07:30:19,033 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-10-04 07:30:19,033 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:19,034 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:30:19,034 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 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)
[2022-10-04 07:30:19,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:30:19,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:19,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:19,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:19,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:30:19,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:19,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-04 07:30:19,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:30:19,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:34:03,320 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:34:03,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:34:03,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-04 07:34:03,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:34:03,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-04 07:34:03,322 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-10-04 07:34:03,322 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 07:34:03,325 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 07:34:03,325 INFO  L85        PathProgramCache]: Analyzing trace with hash 1216359516, now seen corresponding path program 1 times
[2022-10-04 07:34:03,325 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 07:34:03,326 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150226187]
[2022-10-04 07:34:03,326 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 07:34:03,326 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 07:34:03,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 07:34:03,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 07:34:03,697 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 07:34:03,697 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150226187]
[2022-10-04 07:34:03,697 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150226187] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 07:34:03,697 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 07:34:03,697 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-04 07:34:03,697 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693615121]
[2022-10-04 07:34:03,698 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 07:34:03,698 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-04 07:34:03,698 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 07:34:03,699 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-04 07:34:03,700 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-10-04 07:34:03,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:34:03,701 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 07:34:03,702 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 55.5) internal successors, (333), 6 states have internal predecessors, (333), 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)
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-04 07:34:03,702 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-04 07:34:03,703 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.