/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/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1359.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-24 15:24:23,395 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-24 15:24:23,443 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-10-24 15:24:23,450 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-24 15:24:23,450 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-24 15:24:23,455 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf
[2022-10-24 15:24:23,484 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-24 15:24:23,484 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-24 15:24:23,485 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-24 15:24:23,485 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-24 15:24:23,486 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-24 15:24:23,486 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-24 15:24:23,487 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-24 15:24:23,487 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-24 15:24:23,488 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-24 15:24:23,488 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-24 15:24:23,488 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-24 15:24:23,488 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-24 15:24:23,488 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-24 15:24:23,489 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-24 15:24:23,490 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 15:24:23,490 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-24 15:24:23,490 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-24 15:24:23,491 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-24 15:24:23,491 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-24 15:24:23,491 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-24 15:24:23,491 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-24 15:24:23,491 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-24 15:24:23,491 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-24 15:24:23,491 INFO  L138        SettingsManager]:  * Number of independence relations to use for POR=2
[2022-10-24 15:24:23,491 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
[2022-10-24 15:24:23,741 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-24 15:24:23,754 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-24 15:24:23,756 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-24 15:24:23,757 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-24 15:24:23,758 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-24 15:24:23,758 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1359.bpl
[2022-10-24 15:24:23,759 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1359.bpl'
[2022-10-24 15:24:23,826 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-24 15:24:23,827 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-24 15:24:23,829 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-24 15:24:23,829 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-24 15:24:23,829 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-24 15:24:23,836 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,870 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,884 INFO  L138                Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-24 15:24:23,885 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-24 15:24:23,886 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-24 15:24:23,886 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-24 15:24:23,886 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-24 15:24:23,891 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,892 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,902 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,903 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,936 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,941 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,946 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,969 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-24 15:24:23,969 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-24 15:24:23,969 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-24 15:24:23,970 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-24 15:24:23,972 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/1) ...
[2022-10-24 15:24:23,977 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 15:24:23,982 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 15:24:24,005 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)
[2022-10-24 15:24:24,007 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
[2022-10-24 15:24:24,034 INFO  L130     BoogieDeclarations]: Found specification of procedure pusher
[2022-10-24 15:24:24,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure pusher
[2022-10-24 15:24:24,034 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-24 15:24:24,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-24 15:24:24,036 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-24 15:24:24,202 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-24 15:24:24,203 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-24 15:24:25,137 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-24 15:24:25,163 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-24 15:24:25,163 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2022-10-24 15:24:25,166 INFO  L202        PluginConnector]: Adding new model divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:24:25 BoogieIcfgContainer
[2022-10-24 15:24:25,167 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-24 15:24:25,170 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-24 15:24:25,171 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-24 15:24:25,173 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-24 15:24:25,173 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:24:23" (1/2) ...
[2022-10-24 15:24:25,174 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec8df7a and model type divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:24:25, skipping insertion in model container
[2022-10-24 15:24:25,174 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1359.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:24:25" (2/2) ...
[2022-10-24 15:24:25,176 INFO  L112   eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1359.bpl
[2022-10-24 15:24:25,184 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-24 15:24:25,190 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-24 15:24:25,190 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-24 15:24:25,190 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-24 15:24:25,312 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-10-24 15:24:25,373 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-24 15:24:25,374 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 15:24:25,374 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 15:24:25,396 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)
[2022-10-24 15:24:25,415 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
[2022-10-24 15:24:25,423 INFO  L100   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 15:24:25,447 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2022-10-24 15:24:25,447 WARN  L162   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2022-10-24 15:24:25,447 WARN  L163   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2022-10-24 15:24:25,452 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-24 15:24:25,460 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;@3235578a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 15:24:25,460 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 15:24:26,083 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:24:26,087 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:24:26,087 INFO  L85        PathProgramCache]: Analyzing trace with hash -78769363, now seen corresponding path program 1 times
[2022-10-24 15:24:26,093 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:24:26,094 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82671203]
[2022-10-24 15:24:26,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:24:26,094 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:24:26,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:24:26,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 15:24:26,500 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:24:26,500 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82671203]
[2022-10-24 15:24:26,501 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82671203] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 15:24:26,501 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 15:24:26,501 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-24 15:24:26,502 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141936761]
[2022-10-24 15:24:26,502 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 15:24:26,507 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-24 15:24:26,507 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:24:26,520 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-24 15:24:26,527 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-24 15:24:26,528 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:26,531 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:24:26,532 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 276.5) internal successors, (553), 2 states have internal predecessors, (553), 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)
[2022-10-24 15:24:26,532 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:26,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:26,713 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-24 15:24:26,713 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:24:26,713 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:24:26,714 INFO  L85        PathProgramCache]: Analyzing trace with hash -2032955304, now seen corresponding path program 1 times
[2022-10-24 15:24:26,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:24:26,714 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223317708]
[2022-10-24 15:24:26,714 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:24:26,714 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:24:26,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:24:29,366 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 15:24:29,366 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:24:29,367 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223317708]
[2022-10-24 15:24:29,367 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223317708] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 15:24:29,367 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 15:24:29,367 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60
[2022-10-24 15:24:29,367 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991442119]
[2022-10-24 15:24:29,367 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 15:24:29,369 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 60 states
[2022-10-24 15:24:29,369 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:24:29,370 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants.
[2022-10-24 15:24:29,372 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=3360, Unknown=0, NotChecked=0, Total=3540
[2022-10-24 15:24:29,373 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:29,373 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:24:29,374 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 60 states, 60 states have (on average 10.316666666666666) internal successors, (619), 60 states have internal predecessors, (619), 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)
[2022-10-24 15:24:29,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:29,374 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:42,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:42,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-10-24 15:24:42,821 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-24 15:24:42,821 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:24:42,822 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:24:42,822 INFO  L85        PathProgramCache]: Analyzing trace with hash 1710707047, now seen corresponding path program 1 times
[2022-10-24 15:24:42,822 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:24:42,822 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023855819]
[2022-10-24 15:24:42,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:24:42,823 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:24:42,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:24:44,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 15:24:44,465 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:24:44,465 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023855819]
[2022-10-24 15:24:44,466 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023855819] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 15:24:44,466 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 15:24:44,466 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54
[2022-10-24 15:24:44,466 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587780089]
[2022-10-24 15:24:44,466 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 15:24:44,467 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2022-10-24 15:24:44,467 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:24:44,468 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2022-10-24 15:24:44,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=2809, Unknown=0, NotChecked=0, Total=2970
[2022-10-24 15:24:44,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:44,469 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:24:44,470 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 54 states have (on average 10.407407407407407) internal successors, (562), 55 states have internal predecessors, (562), 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)
[2022-10-24 15:24:44,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:24:44,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-10-24 15:24:44,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:00,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:00,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. 
[2022-10-24 15:25:00,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. 
[2022-10-24 15:25:00,162 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-24 15:25:00,162 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:25:00,162 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:25:00,162 INFO  L85        PathProgramCache]: Analyzing trace with hash -369682669, now seen corresponding path program 1 times
[2022-10-24 15:25:00,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:25:00,163 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395920443]
[2022-10-24 15:25:00,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:25:00,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:25:00,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:25:03,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 15:25:03,067 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:25:03,067 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395920443]
[2022-10-24 15:25:03,067 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395920443] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 15:25:03,068 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 15:25:03,068 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77
[2022-10-24 15:25:03,068 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11812564]
[2022-10-24 15:25:03,068 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 15:25:03,071 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2022-10-24 15:25:03,071 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:25:03,072 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2022-10-24 15:25:03,073 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=5600, Unknown=0, NotChecked=0, Total=5852
[2022-10-24 15:25:03,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:03,074 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:25:03,075 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 77 states, 77 states have (on average 11.012987012987013) internal successors, (848), 77 states have internal predecessors, (848), 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)
[2022-10-24 15:25:03,075 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:03,075 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. 
[2022-10-24 15:25:03,075 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. 
[2022-10-24 15:25:03,076 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:24,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:24,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:25:24,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:25:24,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. 
[2022-10-24 15:25:24,566 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-24 15:25:24,566 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:25:24,568 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:25:24,568 INFO  L85        PathProgramCache]: Analyzing trace with hash 102196997, now seen corresponding path program 1 times
[2022-10-24 15:25:24,568 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:25:24,568 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981283]
[2022-10-24 15:25:24,568 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:25:24,568 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:25:24,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:25:27,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 15:25:27,540 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:25:27,540 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981283]
[2022-10-24 15:25:27,540 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981283] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 15:25:27,540 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 15:25:27,541 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [80] imperfect sequences [] total 80
[2022-10-24 15:25:27,541 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835708397]
[2022-10-24 15:25:27,541 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 15:25:27,542 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 80 states
[2022-10-24 15:25:27,542 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:25:27,542 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants.
[2022-10-24 15:25:27,544 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=6069, Unknown=0, NotChecked=0, Total=6320
[2022-10-24 15:25:27,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:27,545 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:25:27,545 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 80 states, 80 states have (on average 9.65) internal successors, (772), 80 states have internal predecessors, (772), 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)
[2022-10-24 15:25:27,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:27,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:25:27,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:25:27,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. 
[2022-10-24 15:25:27,546 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:50,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:50,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:25:50,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:25:50,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. 
[2022-10-24 15:25:50,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. 
[2022-10-24 15:25:50,084 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-24 15:25:50,084 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:25:50,085 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:25:50,085 INFO  L85        PathProgramCache]: Analyzing trace with hash 517001712, now seen corresponding path program 1 times
[2022-10-24 15:25:50,085 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:25:50,085 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699454612]
[2022-10-24 15:25:50,085 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:25:50,085 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:25:50,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:25:53,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 143 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 15:25:53,586 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:25:53,586 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699454612]
[2022-10-24 15:25:53,586 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699454612] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 15:25:53,587 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 15:25:53,587 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87
[2022-10-24 15:25:53,587 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377165920]
[2022-10-24 15:25:53,588 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 15:25:53,589 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 87 states
[2022-10-24 15:25:53,589 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:25:53,590 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants.
[2022-10-24 15:25:53,592 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=7215, Unknown=0, NotChecked=0, Total=7482
[2022-10-24 15:25:53,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:53,593 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:25:53,593 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 87 states, 87 states have (on average 11.471264367816092) internal successors, (998), 87 states have internal predecessors, (998), 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)
[2022-10-24 15:25:53,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:25:53,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:25:53,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:25:53,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. 
[2022-10-24 15:25:53,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. 
[2022-10-24 15:25:53,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:31,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:31,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:26:31,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:26:31,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-10-24 15:26:31,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. 
[2022-10-24 15:26:31,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-10-24 15:26:31,297 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-24 15:26:31,297 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:26:31,298 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:26:31,298 INFO  L85        PathProgramCache]: Analyzing trace with hash 1497421007, now seen corresponding path program 1 times
[2022-10-24 15:26:31,299 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:26:31,299 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679176307]
[2022-10-24 15:26:31,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:26:31,299 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:26:31,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:26:33,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 328 backedges. 199 proven. 126 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-10-24 15:26:33,523 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:26:33,523 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679176307]
[2022-10-24 15:26:33,526 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679176307] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 15:26:33,527 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 15:26:33,527 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65
[2022-10-24 15:26:33,527 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469830901]
[2022-10-24 15:26:33,527 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 15:26:33,529 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 66 states
[2022-10-24 15:26:33,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:26:33,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants.
[2022-10-24 15:26:33,545 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=4098, Unknown=0, NotChecked=0, Total=4290
[2022-10-24 15:26:33,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:33,546 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:26:33,546 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 66 states, 65 states have (on average 14.446153846153846) internal successors, (939), 66 states have internal predecessors, (939), 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)
[2022-10-24 15:26:33,546 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:33,546 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:26:33,546 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:26:33,547 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-10-24 15:26:33,547 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. 
[2022-10-24 15:26:33,547 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-10-24 15:26:33,547 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:57,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:57,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:26:57,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:26:57,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-10-24 15:26:57,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-10-24 15:26:57,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-10-24 15:26:57,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-10-24 15:26:57,381 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-24 15:26:57,381 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:26:57,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:26:57,382 INFO  L85        PathProgramCache]: Analyzing trace with hash -1710377861, now seen corresponding path program 1 times
[2022-10-24 15:26:57,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:26:57,383 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875823607]
[2022-10-24 15:26:57,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:26:57,386 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:26:57,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:26:59,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 582 backedges. 33 proven. 353 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked.
[2022-10-24 15:26:59,433 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:26:59,434 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875823607]
[2022-10-24 15:26:59,434 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875823607] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 15:26:59,434 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 15:26:59,434 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53
[2022-10-24 15:26:59,434 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270175543]
[2022-10-24 15:26:59,434 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 15:26:59,435 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 54 states
[2022-10-24 15:26:59,435 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:26:59,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants.
[2022-10-24 15:26:59,436 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2702, Unknown=0, NotChecked=0, Total=2862
[2022-10-24 15:26:59,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:59,437 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:26:59,438 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 54 states, 53 states have (on average 19.50943396226415) internal successors, (1034), 54 states have internal predecessors, (1034), 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)
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-10-24 15:26:59,438 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:27:48,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:27:48,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:27:48,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:27:48,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-10-24 15:27:48,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-10-24 15:27:48,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-10-24 15:27:48,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-10-24 15:27:48,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. 
[2022-10-24 15:27:48,254 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-24 15:27:48,254 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 15:27:48,255 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 15:27:48,255 INFO  L85        PathProgramCache]: Analyzing trace with hash 1415064961, now seen corresponding path program 1 times
[2022-10-24 15:27:48,255 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 15:27:48,255 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876023483]
[2022-10-24 15:27:48,255 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 15:27:48,255 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 15:27:48,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 15:27:50,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 1948 backedges. 316 proven. 637 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked.
[2022-10-24 15:27:50,085 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 15:27:50,085 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876023483]
[2022-10-24 15:27:50,085 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876023483] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 15:27:50,085 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 15:27:50,086 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37
[2022-10-24 15:27:50,086 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077729457]
[2022-10-24 15:27:50,086 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 15:27:50,087 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2022-10-24 15:27:50,087 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 15:27:50,087 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2022-10-24 15:27:50,088 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406
[2022-10-24 15:27:50,088 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:27:50,088 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 15:27:50,089 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 37 states have (on average 29.62162162162162) internal successors, (1096), 38 states have internal predecessors, (1096), 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)
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. 
[2022-10-24 15:27:50,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.