/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 95 --traceabstraction.coinflip.random.seed 13 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-10 15:27:37,280 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-10 15:27:37,383 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2022-10-10 15:27:37,385 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-10-10 15:27:37,386 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-10 15:27:37,388 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-10 15:27:37,390 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf
[2022-10-10 15:27:37,427 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-10 15:27:37,427 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-10 15:27:37,428 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-10 15:27:37,428 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-10 15:27:37,429 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-10 15:27:37,430 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-10 15:27:37,431 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-10 15:27:37,431 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-10 15:27:37,432 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-10 15:27:37,432 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-10 15:27:37,432 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-10 15:27:37,433 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-10 15:27:37,433 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-10 15:27:37,433 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-10 15:27:37,433 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-10 15:27:37,433 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-10 15:27:37,433 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-10 15:27:37,433 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-10 15:27:37,434 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-10 15:27:37,434 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-10 15:27:37,434 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-10 15:27:37,434 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-10 15:27:37,434 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-10 15:27:37,434 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-10 15:27:37,434 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-10 15:27:37,435 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-10 15:27:37,435 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-10 15:27:37,435 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-10 15:27:37,435 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-10 15:27:37,435 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-10 15:27:37,436 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-10 15:27:37,436 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-10 15:27:37,436 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-10 15:27:37,436 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-10 15:27:37,436 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-10 15:27:37,436 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-10 15:27:37,437 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-10 15:27:37,437 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-10 15:27:37,437 INFO  L138        SettingsManager]:  * Number of independence relations to use for POR=2
[2022-10-10 15:27:37,437 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 95
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE
[2022-10-10 15:27:37,770 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-10 15:27:37,792 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-10 15:27:37,793 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-10 15:27:37,794 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-10 15:27:37,796 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-10 15:27:37,797 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl
[2022-10-10 15:27:37,797 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl'
[2022-10-10 15:27:37,817 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-10 15:27:37,818 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-10 15:27:37,820 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-10 15:27:37,820 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-10 15:27:37,820 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-10 15:27:37,831 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,838 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,844 INFO  L138                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-10 15:27:37,846 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-10 15:27:37,847 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-10 15:27:37,848 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-10 15:27:37,848 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-10 15:27:37,854 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,855 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,857 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,857 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,862 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,867 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,869 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,874 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-10 15:27:37,875 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-10 15:27:37,876 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-10 15:27:37,876 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-10 15:27:37,877 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/1) ...
[2022-10-10 15:27:37,883 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-10 15:27:37,893 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-10 15:27:37,913 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)
[2022-10-10 15:27:37,926 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
[2022-10-10 15:27:37,953 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-10-10 15:27:37,953 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-10-10 15:27:37,954 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-10-10 15:27:37,954 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-10-10 15:27:37,955 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-10-10 15:27:37,955 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-10-10 15:27:37,955 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-10-10 15:27:37,955 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-10-10 15:27:37,955 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-10-10 15:27:37,956 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-10-10 15:27:37,956 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-10 15:27:37,956 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-10 15:27:37,959 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-10 15:27:37,999 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-10 15:27:38,001 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-10 15:27:38,160 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-10 15:27:38,167 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-10 15:27:38,168 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-10 15:27:38,169 INFO  L202        PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:27:38 BoogieIcfgContainer
[2022-10-10 15:27:38,170 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-10 15:27:38,172 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-10 15:27:38,172 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-10 15:27:38,174 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-10 15:27:38,174 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:27:37" (1/2) ...
[2022-10-10 15:27:38,175 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b778e1 and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:27:38, skipping insertion in model container
[2022-10-10 15:27:38,175 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:27:38" (2/2) ...
[2022-10-10 15:27:38,177 INFO  L112   eAbstractionObserver]: Analyzing ICFG map-aggr-update1.bpl
[2022-10-10 15:27:38,190 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-10 15:27:38,199 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-10 15:27:38,199 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-10 15:27:38,199 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-10 15:27:38,271 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-10-10 15:27:38,333 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-10 15:27:38,334 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-10 15:27:38,334 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-10 15:27:38,336 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)
[2022-10-10 15:27:38,338 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
[2022-10-10 15:27:38,366 INFO  L100   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-10 15:27:38,392 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2022-10-10 15:27:38,392 WARN  L162   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2022-10-10 15:27:38,393 WARN  L163   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2022-10-10 15:27:38,409 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-10 15:27:38,418 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;@3561badd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-10 15:27:38,419 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-10 15:27:38,596 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:38,600 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:38,600 INFO  L85        PathProgramCache]: Analyzing trace with hash 1932214212, now seen corresponding path program 1 times
[2022-10-10 15:27:38,609 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:38,609 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161116337]
[2022-10-10 15:27:38,609 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:38,610 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:38,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:38,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-10 15:27:38,918 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:38,919 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161116337]
[2022-10-10 15:27:38,919 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161116337] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:38,919 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:38,920 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2022-10-10 15:27:38,921 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040424586]
[2022-10-10 15:27:38,922 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:38,929 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-10-10 15:27:38,929 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:38,952 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-10-10 15:27:38,960 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2022-10-10 15:27:38,961 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:38,964 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:38,965 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 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)
[2022-10-10 15:27:38,965 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:39,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:39,201 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-10 15:27:39,201 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:39,202 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:39,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -383420101, now seen corresponding path program 2 times
[2022-10-10 15:27:39,202 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:39,202 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000361204]
[2022-10-10 15:27:39,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:39,203 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:39,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:39,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-10-10 15:27:39,325 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:39,325 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000361204]
[2022-10-10 15:27:39,325 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000361204] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:39,326 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:39,326 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2022-10-10 15:27:39,326 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880370633]
[2022-10-10 15:27:39,326 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:39,327 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-10-10 15:27:39,327 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:39,328 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-10-10 15:27:39,328 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-10-10 15:27:39,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:39,329 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:39,329 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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)
[2022-10-10 15:27:39,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:39,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:39,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:39,606 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:39,606 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-10 15:27:39,606 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:39,607 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:39,607 INFO  L85        PathProgramCache]: Analyzing trace with hash -1728805720, now seen corresponding path program 3 times
[2022-10-10 15:27:39,607 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:39,607 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690292261]
[2022-10-10 15:27:39,608 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:39,608 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:39,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:39,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 601 backedges. 270 proven. 162 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2022-10-10 15:27:39,854 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:39,855 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690292261]
[2022-10-10 15:27:39,856 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690292261] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:39,856 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:39,856 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2022-10-10 15:27:39,857 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541845878]
[2022-10-10 15:27:39,857 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:39,857 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-10-10 15:27:39,858 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:39,858 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-10-10 15:27:39,859 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-10-10 15:27:39,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:39,859 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:39,859 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 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)
[2022-10-10 15:27:39,859 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:39,860 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:39,860 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:40,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:40,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:40,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:40,102 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-10 15:27:40,102 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:40,103 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:40,104 INFO  L85        PathProgramCache]: Analyzing trace with hash -768886719, now seen corresponding path program 4 times
[2022-10-10 15:27:40,104 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:40,105 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658745445]
[2022-10-10 15:27:40,108 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:40,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:40,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:40,261 INFO  L134       CoverageAnalysis]: Checked inductivity of 249 backedges. 149 proven. 68 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2022-10-10 15:27:40,262 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:40,263 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658745445]
[2022-10-10 15:27:40,266 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658745445] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:40,271 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:40,271 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2022-10-10 15:27:40,271 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409674441]
[2022-10-10 15:27:40,271 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:40,272 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-10-10 15:27:40,272 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:40,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-10-10 15:27:40,273 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2022-10-10 15:27:40,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:40,273 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:40,275 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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)
[2022-10-10 15:27:40,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:40,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:40,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:40,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:40,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:40,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:40,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:40,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-10 15:27:40,473 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-10 15:27:40,474 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:40,475 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:40,475 INFO  L85        PathProgramCache]: Analyzing trace with hash -1546721828, now seen corresponding path program 5 times
[2022-10-10 15:27:40,476 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:40,476 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482422536]
[2022-10-10 15:27:40,476 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:40,476 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:40,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:41,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 442 backedges. 252 proven. 166 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2022-10-10 15:27:41,027 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:41,028 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482422536]
[2022-10-10 15:27:41,028 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482422536] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:41,028 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:41,028 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29
[2022-10-10 15:27:41,028 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922310614]
[2022-10-10 15:27:41,028 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:41,029 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2022-10-10 15:27:41,029 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:41,030 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2022-10-10 15:27:41,031 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870
[2022-10-10 15:27:41,031 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:41,031 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:41,032 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 29 states have (on average 3.6206896551724137) internal successors, (105), 30 states have internal predecessors, (105), 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)
[2022-10-10 15:27:41,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:41,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:41,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:41,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-10 15:27:41,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:42,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:42,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:42,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:42,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:42,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:42,044 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-10 15:27:42,045 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:42,045 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:42,045 INFO  L85        PathProgramCache]: Analyzing trace with hash 1215141996, now seen corresponding path program 1 times
[2022-10-10 15:27:42,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:42,045 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392361169]
[2022-10-10 15:27:42,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:42,046 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:42,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:42,281 INFO  L134       CoverageAnalysis]: Checked inductivity of 1153 backedges. 73 proven. 746 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked.
[2022-10-10 15:27:42,281 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:42,282 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392361169]
[2022-10-10 15:27:42,282 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392361169] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:42,282 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:42,282 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13
[2022-10-10 15:27:42,282 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876128236]
[2022-10-10 15:27:42,282 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:42,283 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-10-10 15:27:42,283 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:42,283 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-10-10 15:27:42,283 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156
[2022-10-10 15:27:42,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:42,284 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:42,284 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 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)
[2022-10-10 15:27:42,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:42,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:42,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:42,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:42,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:42,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:44,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:44,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:44,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:44,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:44,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:44,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:44,553 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-10 15:27:44,554 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:44,555 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:44,555 INFO  L85        PathProgramCache]: Analyzing trace with hash 397523751, now seen corresponding path program 6 times
[2022-10-10 15:27:44,555 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:44,555 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552739472]
[2022-10-10 15:27:44,555 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:44,555 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:44,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:45,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 6492 backedges. 4052 proven. 1765 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked.
[2022-10-10 15:27:45,091 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:45,092 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552739472]
[2022-10-10 15:27:45,092 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552739472] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:45,092 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:45,092 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23
[2022-10-10 15:27:45,093 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253662702]
[2022-10-10 15:27:45,093 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:45,093 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2022-10-10 15:27:45,093 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:45,094 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2022-10-10 15:27:45,094 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506
[2022-10-10 15:27:45,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:45,095 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:45,095 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 7.826086956521739) internal successors, (180), 23 states have internal predecessors, (180), 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)
[2022-10-10 15:27:45,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:45,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:45,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:45,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:45,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:45,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:45,096 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:46,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:46,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:46,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:46,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:46,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:46,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:46,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-10-10 15:27:46,072 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-10 15:27:46,072 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:46,072 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:46,073 INFO  L85        PathProgramCache]: Analyzing trace with hash -1632262946, now seen corresponding path program 2 times
[2022-10-10 15:27:46,073 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:46,073 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389572915]
[2022-10-10 15:27:46,073 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:46,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:46,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:46,671 INFO  L134       CoverageAnalysis]: Checked inductivity of 7186 backedges. 688 proven. 5879 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked.
[2022-10-10 15:27:46,672 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:46,672 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389572915]
[2022-10-10 15:27:46,672 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389572915] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:46,672 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:46,672 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31
[2022-10-10 15:27:46,672 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618930047]
[2022-10-10 15:27:46,672 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:46,673 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2022-10-10 15:27:46,673 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:46,673 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2022-10-10 15:27:46,674 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930
[2022-10-10 15:27:46,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:46,674 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:46,675 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 7.290322580645161) internal successors, (226), 31 states have internal predecessors, (226), 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)
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-10-10 15:27:46,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:47,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:47,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:47,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:47,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:47,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:47,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:47,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-10-10 15:27:47,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-10-10 15:27:47,661 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-10 15:27:47,661 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:47,661 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:47,662 INFO  L85        PathProgramCache]: Analyzing trace with hash -2112820913, now seen corresponding path program 3 times
[2022-10-10 15:27:47,662 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:47,662 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359112024]
[2022-10-10 15:27:47,662 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:47,662 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:47,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:49,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 7453 backedges. 6966 proven. 173 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2022-10-10 15:27:49,759 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:49,759 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359112024]
[2022-10-10 15:27:49,759 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359112024] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-10 15:27:49,759 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-10 15:27:49,759 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65
[2022-10-10 15:27:49,759 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520653459]
[2022-10-10 15:27:49,759 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-10 15:27:49,760 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 66 states
[2022-10-10 15:27:49,760 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:49,761 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants.
[2022-10-10 15:27:49,762 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1840, Invalid=2450, Unknown=0, NotChecked=0, Total=4290
[2022-10-10 15:27:49,763 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:49,764 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:49,764 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 66 states, 65 states have (on average 5.661538461538462) internal successors, (368), 66 states have internal predecessors, (368), 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)
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2022-10-10 15:27:49,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:53,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:53,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:53,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:53,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:53,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:53,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:53,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-10-10 15:27:53,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-10-10 15:27:53,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2022-10-10 15:27:53,063 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-10-10 15:27:53,063 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-10 15:27:53,063 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-10 15:27:53,064 INFO  L85        PathProgramCache]: Analyzing trace with hash 770868196, now seen corresponding path program 4 times
[2022-10-10 15:27:53,064 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-10 15:27:53,064 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963734401]
[2022-10-10 15:27:53,064 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-10 15:27:53,064 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-10 15:27:53,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-10 15:27:55,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 10105 backedges. 10032 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked.
[2022-10-10 15:27:55,366 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-10 15:27:55,366 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963734401]
[2022-10-10 15:27:55,366 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963734401] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-10 15:27:55,366 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-10 15:27:55,366 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [78] imperfect sequences [] total 78
[2022-10-10 15:27:55,367 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996306058]
[2022-10-10 15:27:55,367 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-10 15:27:55,367 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 79 states
[2022-10-10 15:27:55,368 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-10 15:27:55,369 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants.
[2022-10-10 15:27:55,371 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3005, Invalid=3157, Unknown=0, NotChecked=0, Total=6162
[2022-10-10 15:27:55,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-10 15:27:55,371 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-10 15:27:55,372 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 79 states, 78 states have (on average 6.076923076923077) internal successors, (474), 79 states have internal predecessors, (474), 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)
[2022-10-10 15:27:55,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-10 15:27:55,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-10 15:27:55,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-10 15:27:55,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-10 15:27:55,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-10 15:27:55,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-10 15:27:55,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-10-10 15:27:55,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2022-10-10 15:27:55,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2022-10-10 15:27:55,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.