/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe007_power.opt-thin001_power.opt.line1203.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-20 20:51:08,560 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-20 20:51:08,677 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-20 20:51:08,688 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2022-10-20 20:51:08,733 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-20 20:51:08,733 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-20 20:51:08,734 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-20 20:51:08,734 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-20 20:51:08,735 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-20 20:51:08,735 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-20 20:51:08,736 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-20 20:51:08,736 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-20 20:51:08,736 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-20 20:51:08,737 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-20 20:51:08,737 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-20 20:51:08,737 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-20 20:51:08,737 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-20 20:51:08,737 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-20 20:51:08,737 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-20 20:51:08,738 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-20 20:51:08,738 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-20 20:51:08,739 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-20 20:51:08,739 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-20 20:51:08,739 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-20 20:51:08,739 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-20 20:51:08,739 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-20 20:51:08,739 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-20 20:51:08,751 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-20 20:51:08,751 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-20 20:51:08,751 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-20 20:51:08,751 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
[2022-10-20 20:51:09,059 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-20 20:51:09,076 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-20 20:51:09,078 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-20 20:51:09,079 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-20 20:51:09,081 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-20 20:51:09,083 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe007_power.opt-thin001_power.opt.line1203.bpl
[2022-10-20 20:51:09,083 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk09/safe007_power.opt-thin001_power.opt.line1203.bpl'
[2022-10-20 20:51:09,144 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-20 20:51:09,145 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-20 20:51:09,146 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-20 20:51:09,146 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-20 20:51:09,147 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-20 20:51:09,156 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,185 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,195 INFO  L138                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-20 20:51:09,196 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-20 20:51:09,197 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-20 20:51:09,197 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-20 20:51:09,197 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-20 20:51:09,203 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,204 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,220 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,222 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,257 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,268 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,271 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,283 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-20 20:51:09,284 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-20 20:51:09,284 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-20 20:51:09,284 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-20 20:51:09,285 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/1) ...
[2022-10-20 20:51:09,290 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-20 20:51:09,297 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-20 20:51:09,321 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)
[2022-10-20 20:51:09,341 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
[2022-10-20 20:51:09,355 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-10-20 20:51:09,356 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-10-20 20:51:09,356 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-10-20 20:51:09,356 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-10-20 20:51:09,356 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-10-20 20:51:09,356 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-10-20 20:51:09,357 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-20 20:51:09,357 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-20 20:51:09,358 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-20 20:51:09,508 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-20 20:51:09,509 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-20 20:51:10,137 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-20 20:51:10,161 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-20 20:51:10,161 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-20 20:51:10,164 INFO  L202        PluginConnector]: Adding new model safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:51:10 BoogieIcfgContainer
[2022-10-20 20:51:10,164 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-20 20:51:10,168 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-20 20:51:10,168 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-20 20:51:10,171 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-20 20:51:10,171 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:51:09" (1/2) ...
[2022-10-20 20:51:10,172 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6a32b and model type safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 08:51:10, skipping insertion in model container
[2022-10-20 20:51:10,172 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe007_power.opt-thin001_power.opt.line1203.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:51:10" (2/2) ...
[2022-10-20 20:51:10,173 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe007_power.opt-thin001_power.opt.line1203.bpl
[2022-10-20 20:51:10,179 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-20 20:51:10,186 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-20 20:51:10,186 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-20 20:51:10,187 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-20 20:51:10,338 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-10-20 20:51:10,402 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-20 20:51:10,403 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-20 20:51:10,403 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-20 20:51:10,422 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)
[2022-10-20 20:51:10,427 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
[2022-10-20 20:51:10,453 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-20 20:51:10,458 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-20 20:51:10,464 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;@9f013aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-20 20:51:10,464 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-20 20:51:10,538 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:51:10,542 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:51:10,542 INFO  L85        PathProgramCache]: Analyzing trace with hash 1715757600, now seen corresponding path program 1 times
[2022-10-20 20:51:10,549 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:51:10,549 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576138188]
[2022-10-20 20:51:10,550 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:51:10,550 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:51:10,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:51:10,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:51:10,876 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:51:10,877 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576138188]
[2022-10-20 20:51:10,877 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576138188] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:51:10,878 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:51:10,878 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-20 20:51:10,879 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453084486]
[2022-10-20 20:51:10,879 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:51:10,886 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-20 20:51:10,887 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:51:10,909 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-20 20:51:10,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-20 20:51:10,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:51:10,913 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:51:10,915 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.5) internal successors, (211), 2 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)
[2022-10-20 20:51:10,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:51:49,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:51:49,441 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-20 20:51:49,441 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:51:49,442 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:51:49,442 INFO  L85        PathProgramCache]: Analyzing trace with hash 825361065, now seen corresponding path program 1 times
[2022-10-20 20:51:49,442 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:51:49,443 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584997]
[2022-10-20 20:51:49,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:51:49,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:51:49,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:51:49,701 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:51:49,702 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:51:49,702 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584997]
[2022-10-20 20:51:49,702 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584997] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:51:49,703 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:51:49,703 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:51:49,703 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558681060]
[2022-10-20 20:51:49,703 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:51:49,706 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:51:49,706 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:51:49,707 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:51:49,707 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:51:49,707 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:51:49,708 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:51:49,709 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 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)
[2022-10-20 20:51:49,709 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:51:49,709 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:11,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:11,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:11,954 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-20 20:52:11,955 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:52:11,957 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:52:11,958 INFO  L85        PathProgramCache]: Analyzing trace with hash 314831823, now seen corresponding path program 1 times
[2022-10-20 20:52:11,958 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:52:11,958 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452899943]
[2022-10-20 20:52:11,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:52:11,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:52:12,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:52:12,241 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:52:12,241 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:52:12,241 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452899943]
[2022-10-20 20:52:12,242 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452899943] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:52:12,242 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:52:12,243 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:52:12,243 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949013485]
[2022-10-20 20:52:12,243 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:52:12,243 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:52:12,243 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:52:12,244 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:52:12,245 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:52:12,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:12,245 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:52:12,245 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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)
[2022-10-20 20:52:12,246 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:12,246 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:12,246 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:34,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:34,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:34,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:34,301 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-20 20:52:34,302 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:52:34,302 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:52:34,302 INFO  L85        PathProgramCache]: Analyzing trace with hash 1452689298, now seen corresponding path program 1 times
[2022-10-20 20:52:34,302 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:52:34,302 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608924060]
[2022-10-20 20:52:34,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:52:34,303 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:52:34,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:52:34,374 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:52:34,375 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:52:34,375 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608924060]
[2022-10-20 20:52:34,375 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608924060] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:52:34,375 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:52:34,375 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:52:34,375 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284406533]
[2022-10-20 20:52:34,376 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:52:34,579 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:52:34,580 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:52:34,580 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:52:34,580 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:52:34,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:34,580 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:52:34,581 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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)
[2022-10-20 20:52:34,581 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:34,581 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:34,581 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:34,581 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:56,070 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:56,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:56,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:56,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:56,071 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-20 20:52:56,071 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:52:56,072 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:52:56,072 INFO  L85        PathProgramCache]: Analyzing trace with hash -195835660, now seen corresponding path program 1 times
[2022-10-20 20:52:56,073 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:52:56,073 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711514981]
[2022-10-20 20:52:56,073 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:52:56,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:52:56,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:52:56,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:52:56,158 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:52:56,159 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711514981]
[2022-10-20 20:52:56,159 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711514981] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:52:56,159 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:52:56,159 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:52:56,159 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580481880]
[2022-10-20 20:52:56,159 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:52:56,159 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:52:56,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:52:56,160 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:52:56,160 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:52:56,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:56,160 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:52:56,160 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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)
[2022-10-20 20:52:56,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:52:56,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:56,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:56,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:52:56,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:53:18,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:53:18,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,498 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-20 20:53:18,498 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:53:18,498 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:53:18,499 INFO  L85        PathProgramCache]: Analyzing trace with hash 2114969164, now seen corresponding path program 1 times
[2022-10-20 20:53:18,499 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:53:18,499 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038252332]
[2022-10-20 20:53:18,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:53:18,499 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:53:18,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:53:18,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:53:18,688 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:53:18,688 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038252332]
[2022-10-20 20:53:18,688 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038252332] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:53:18,688 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:53:18,688 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-10-20 20:53:18,688 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235189032]
[2022-10-20 20:53:18,688 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:53:18,689 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-10-20 20:53:18,689 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:53:18,689 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-10-20 20:53:18,689 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-20 20:53:18,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:53:18,690 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:53:18,690 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 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)
[2022-10-20 20:53:18,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:53:18,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:53:18,690 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:06,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:06,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:06,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:06,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:06,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:06,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:54:06,817 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-20 20:54:06,817 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:54:06,819 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:54:06,819 INFO  L85        PathProgramCache]: Analyzing trace with hash -512001993, now seen corresponding path program 1 times
[2022-10-20 20:54:06,819 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:54:06,819 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365674846]
[2022-10-20 20:54:06,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:54:06,819 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:54:06,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:54:07,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:54:07,081 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:54:07,081 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365674846]
[2022-10-20 20:54:07,081 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365674846] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:54:07,083 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:54:07,083 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-10-20 20:54:07,084 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880992036]
[2022-10-20 20:54:07,084 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:54:07,084 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-10-20 20:54:07,084 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:54:07,085 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-10-20 20:54:07,085 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-10-20 20:54:07,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:07,085 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:54:07,085 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 50.285714285714285) internal successors, (352), 7 states have internal predecessors, (352), 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)
[2022-10-20 20:54:07,085 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:07,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:07,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:07,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:07,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:07,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:54:07,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:48,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:48,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:54:48,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:54:48,380 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-20 20:54:48,381 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:54:48,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:54:48,381 INFO  L85        PathProgramCache]: Analyzing trace with hash -847780535, now seen corresponding path program 1 times
[2022-10-20 20:54:48,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:54:48,381 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533712734]
[2022-10-20 20:54:48,381 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:54:48,382 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:54:48,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:54:48,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:54:48,502 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:54:48,502 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533712734]
[2022-10-20 20:54:48,506 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533712734] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:54:48,506 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:54:48,506 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-10-20 20:54:48,506 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100308475]
[2022-10-20 20:54:48,506 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:54:48,507 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-20 20:54:48,507 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:54:48,507 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-20 20:54:48,507 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-20 20:54:48,507 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:48,508 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:54:48,508 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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)
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:54:48,508 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:55:48,006 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:55:48,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:55:48,013 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:55:48,014 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:55:48,014 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-20 20:55:48,015 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:55:48,015 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:55:48,015 INFO  L85        PathProgramCache]: Analyzing trace with hash 712118718, now seen corresponding path program 1 times
[2022-10-20 20:55:48,015 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:55:48,015 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206095917]
[2022-10-20 20:55:48,015 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:55:48,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:55:48,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:55:48,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:55:48,182 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:55:48,182 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206095917]
[2022-10-20 20:55:48,182 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206095917] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:55:48,183 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:55:48,183 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-10-20 20:55:48,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117958007]
[2022-10-20 20:55:48,183 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:55:48,183 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-10-20 20:55:48,183 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:55:48,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-10-20 20:55:48,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-10-20 20:55:48,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:55:48,185 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:55:48,185 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 58.0) internal successors, (406), 7 states have internal predecessors, (406), 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)
[2022-10-20 20:55:48,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:55:48,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,185 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:55:48,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:55:48,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:55:48,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:55:48,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:56:59,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:56:59,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-20 20:56:59,400 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-10-20 20:56:59,401 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:56:59,402 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:56:59,403 INFO  L85        PathProgramCache]: Analyzing trace with hash -1315144290, now seen corresponding path program 1 times
[2022-10-20 20:56:59,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:56:59,403 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372137359]
[2022-10-20 20:56:59,403 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:56:59,403 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:56:59,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:56:59,718 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:56:59,718 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:56:59,720 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372137359]
[2022-10-20 20:56:59,723 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372137359] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:56:59,723 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:56:59,724 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-20 20:56:59,724 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482441182]
[2022-10-20 20:56:59,724 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:56:59,725 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-20 20:56:59,725 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:56:59,726 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-20 20:56:59,726 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-10-20 20:56:59,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:56:59,726 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:56:59,727 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 67.66666666666667) internal successors, (406), 6 states have internal predecessors, (406), 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)
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-20 20:56:59,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:58:18,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:58:18,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:58:18,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:58:18,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:58:18,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-20 20:58:18,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-20 20:58:18,616 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-10-20 20:58:18,616 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:58:18,616 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:58:18,617 INFO  L85        PathProgramCache]: Analyzing trace with hash 1952500094, now seen corresponding path program 1 times
[2022-10-20 20:58:18,617 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:58:18,617 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219787940]
[2022-10-20 20:58:18,617 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:58:18,617 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:58:18,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:58:18,778 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:58:18,780 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:58:18,780 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219787940]
[2022-10-20 20:58:18,781 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219787940] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:58:18,781 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:58:18,782 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-10-20 20:58:18,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606431966]
[2022-10-20 20:58:18,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:58:18,782 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-10-20 20:58:18,782 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:58:18,783 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-10-20 20:58:18,783 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-10-20 20:58:18,783 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:58:18,783 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:58:18,784 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 81.2) internal successors, (406), 5 states have internal predecessors, (406), 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)
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-20 20:58:18,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.