/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/chunk08/safe014_power.oepc.line1119.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-20 20:28:08,802 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-20 20:28:08,859 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-10-20 20:28:08,865 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-20 20:28:08,866 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-10-20 20:28:08,872 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-20 20:28:08,873 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-20 20:28:08,877 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf
[2022-10-20 20:28:08,906 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-20 20:28:08,906 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-20 20:28:08,907 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-20 20:28:08,907 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-20 20:28:08,908 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-20 20:28:08,908 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-20 20:28:08,910 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-20 20:28:08,910 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-20 20:28:08,910 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-20 20:28:08,910 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-20 20:28:08,911 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-20 20:28:08,911 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-20 20:28:08,911 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-20 20:28:08,911 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-20 20:28:08,911 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-20 20:28:08,911 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-20 20:28:08,911 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-20 20:28:08,912 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-20 20:28:08,912 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-20 20:28:08,913 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-20 20:28:08,913 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-20 20:28:08,913 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-20 20:28:08,913 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-20 20:28:08,913 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-20 20:28:08,913 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-20 20:28:08,913 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-20 20:28:08,913 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-20 20:28:08,914 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-20 20:28:08,914 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-20 20:28:08,914 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-20 20:28:08,914 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-20 20:28:08,914 INFO  L138        SettingsManager]:  * Number of independence relations to use for POR=2
[2022-10-20 20:28:08,914 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
[2022-10-20 20:28:09,185 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-20 20:28:09,202 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-20 20:28:09,204 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-20 20:28:09,205 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-20 20:28:09,206 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-20 20:28:09,207 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk08/safe014_power.oepc.line1119.bpl
[2022-10-20 20:28:09,207 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk08/safe014_power.oepc.line1119.bpl'
[2022-10-20 20:28:09,254 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-20 20:28:09,256 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-20 20:28:09,256 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-20 20:28:09,256 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-20 20:28:09,257 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-20 20:28:09,265 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,290 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,298 INFO  L138                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-20 20:28:09,299 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-20 20:28:09,301 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-20 20:28:09,301 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-20 20:28:09,301 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-20 20:28:09,306 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,306 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,323 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,324 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,350 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,364 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,367 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,371 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-20 20:28:09,372 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-20 20:28:09,372 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-20 20:28:09,372 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-20 20:28:09,384 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/1) ...
[2022-10-20 20:28:09,390 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-20 20:28:09,402 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-20 20:28:09,412 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 20:28:09,427 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 20:28:09,466 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-10-20 20:28:09,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-10-20 20:28:09,466 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-10-20 20:28:09,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-10-20 20:28:09,466 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-10-20 20:28:09,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-10-20 20:28:09,467 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-20 20:28:09,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-20 20:28:09,468 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 20:28:09,595 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-20 20:28:09,597 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-20 20:28:10,332 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-20 20:28:10,345 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-20 20:28:10,346 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-20 20:28:10,348 INFO  L202        PluginConnector]: Adding new model safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:28:10 BoogieIcfgContainer
[2022-10-20 20:28:10,348 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-20 20:28:10,349 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-20 20:28:10,349 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-20 20:28:10,352 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-20 20:28:10,352 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.10 08:28:09" (1/2) ...
[2022-10-20 20:28:10,353 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e08008 and model type safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 08:28:10, skipping insertion in model container
[2022-10-20 20:28:10,353 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe014_power.oepc.line1119.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:28:10" (2/2) ...
[2022-10-20 20:28:10,354 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe014_power.oepc.line1119.bpl
[2022-10-20 20:28:10,359 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-20 20:28:10,366 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-20 20:28:10,366 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-20 20:28:10,366 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-20 20:28:10,457 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-10-20 20:28:10,519 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-20 20:28:10,520 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-20 20:28:10,520 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-20 20:28:10,523 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 20:28:10,525 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 20:28:10,558 INFO  L100   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-20 20:28:10,570 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2022-10-20 20:28:10,570 WARN  L162   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2022-10-20 20:28:10,571 WARN  L163   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2022-10-20 20:28:10,576 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-20 20:28:10,581 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;@7fd99757, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-20 20:28:10,581 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-20 20:28:10,871 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:28:10,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:28:10,875 INFO  L85        PathProgramCache]: Analyzing trace with hash -2070474673, now seen corresponding path program 1 times
[2022-10-20 20:28:10,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:28:10,882 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044376020]
[2022-10-20 20:28:10,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:28:10,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:28:10,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:28:11,170 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 20:28:11,171 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:28:11,171 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044376020]
[2022-10-20 20:28:11,172 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044376020] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:28:11,172 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:28:11,172 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-20 20:28:11,173 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028012173]
[2022-10-20 20:28:11,175 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:28:11,180 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-20 20:28:11,180 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:28:11,194 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-20 20:28:11,195 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-20 20:28:11,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:28:11,199 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:28:11,200 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 20:28:11,200 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:28:52,831 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:28:52,832 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-20 20:28:52,832 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:28:52,833 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:28:52,833 INFO  L85        PathProgramCache]: Analyzing trace with hash 1158269445, now seen corresponding path program 1 times
[2022-10-20 20:28:52,833 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:28:52,834 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613060970]
[2022-10-20 20:28:52,834 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:28:52,834 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:28:52,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:28:53,140 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 20:28:53,140 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:28:53,141 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613060970]
[2022-10-20 20:28:53,141 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613060970] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:28:53,141 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:28:53,141 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:28:53,141 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518621889]
[2022-10-20 20:28:53,141 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:28:53,142 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:28:53,142 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:28:53,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:28:53,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:28:53,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:28:53,147 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:28:53,147 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 20:28:53,147 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:28:53,147 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:16,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:16,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:29:16,959 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-20 20:29:16,959 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:29:16,960 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:29:16,961 INFO  L85        PathProgramCache]: Analyzing trace with hash -329966506, now seen corresponding path program 1 times
[2022-10-20 20:29:16,961 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:29:16,961 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791460663]
[2022-10-20 20:29:16,962 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:29:16,962 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:29:17,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:29:17,121 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 20:29:17,122 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:29:17,122 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791460663]
[2022-10-20 20:29:17,123 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791460663] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:29:17,123 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:29:17,124 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:29:17,124 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856080299]
[2022-10-20 20:29:17,124 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:29:17,125 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:29:17,125 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:29:17,126 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:29:17,126 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:29:17,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:17,127 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:29:17,128 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 20:29:17,128 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:17,128 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:29:17,128 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:39,942 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:39,943 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:29:39,943 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:29:39,943 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-20 20:29:39,944 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:29:39,944 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:29:39,944 INFO  L85        PathProgramCache]: Analyzing trace with hash -2101856629, now seen corresponding path program 1 times
[2022-10-20 20:29:39,944 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:29:39,944 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117551886]
[2022-10-20 20:29:39,945 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:29:39,945 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:29:39,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:29:40,096 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 20:29:40,097 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:29:40,097 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117551886]
[2022-10-20 20:29:40,098 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117551886] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:29:40,098 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:29:40,100 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:29:40,103 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306921975]
[2022-10-20 20:29:40,103 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:29:40,108 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:29:40,108 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:29:40,108 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:29:40,108 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:29:40,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:40,109 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:29:40,109 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 20:29:40,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:29:40,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:29:40,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:29:40,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:03,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:03,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:03,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:03,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:03,202 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-20 20:30:03,203 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:30:03,203 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:30:03,204 INFO  L85        PathProgramCache]: Analyzing trace with hash -157768420, now seen corresponding path program 1 times
[2022-10-20 20:30:03,204 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:30:03,204 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3420962]
[2022-10-20 20:30:03,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:30:03,204 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:30:03,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:30:03,299 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 20:30:03,300 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:30:03,300 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3420962]
[2022-10-20 20:30:03,300 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3420962] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:30:03,300 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:30:03,300 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-20 20:30:03,300 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577297085]
[2022-10-20 20:30:03,300 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:30:03,301 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-20 20:30:03,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:30:03,301 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-20 20:30:03,301 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-20 20:30:03,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:03,302 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:30:03,302 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-20 20:30:03,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:03,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:03,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:03,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:03,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:24,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:24,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,445 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-20 20:30:24,446 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:30:24,452 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:30:24,452 INFO  L85        PathProgramCache]: Analyzing trace with hash -312183973, now seen corresponding path program 1 times
[2022-10-20 20:30:24,452 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:30:24,452 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977794528]
[2022-10-20 20:30:24,452 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:30:24,452 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:30:24,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:30:24,534 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 20:30:24,534 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:30:24,534 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977794528]
[2022-10-20 20:30:24,535 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977794528] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:30:24,535 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:30:24,535 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-10-20 20:30:24,535 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140655910]
[2022-10-20 20:30:24,535 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:30:24,536 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-20 20:30:24,536 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:30:24,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-20 20:30:24,537 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-20 20:30:24,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:24,537 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:30:24,537 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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 20:30:24,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:24,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:24,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:58,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:58,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:30:58,799 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-20 20:30:58,799 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:30:58,799 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:30:58,799 INFO  L85        PathProgramCache]: Analyzing trace with hash 187257990, now seen corresponding path program 1 times
[2022-10-20 20:30:58,800 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:30:58,800 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148887697]
[2022-10-20 20:30:58,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:30:58,800 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:30:58,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:30:58,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-20 20:30:58,874 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:30:58,875 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148887697]
[2022-10-20 20:30:58,878 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148887697] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:30:58,878 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:30:58,878 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-10-20 20:30:58,878 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063952739]
[2022-10-20 20:30:58,878 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:30:58,879 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-10-20 20:30:58,879 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:30:58,879 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-10-20 20:30:58,879 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-10-20 20:30:58,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:58,880 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:30:58,880 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 62.4) internal successors, (312), 5 states have internal predecessors, (312), 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 20:30:58,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:30:58,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:30:58,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:30:58,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:33:29,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:33:29,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:33:29,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:33:29,068 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-20 20:33:29,071 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-20 20:33:29,071 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-20 20:33:29,071 INFO  L85        PathProgramCache]: Analyzing trace with hash -1994284698, now seen corresponding path program 1 times
[2022-10-20 20:33:29,084 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-20 20:33:29,084 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962862572]
[2022-10-20 20:33:29,084 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-20 20:33:29,084 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-20 20:33:29,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-20 20:33:29,296 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 20:33:29,296 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-20 20:33:29,296 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962862572]
[2022-10-20 20:33:29,296 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962862572] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-20 20:33:29,296 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-20 20:33:29,296 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-10-20 20:33:29,297 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303729318]
[2022-10-20 20:33:29,297 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-20 20:33:29,297 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-20 20:33:29,297 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-20 20:33:29,297 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-20 20:33:29,298 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-10-20 20:33:29,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:33:29,298 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-20 20:33:29,299 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 63.666666666666664) internal successors, (382), 6 states have internal predecessors, (382), 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 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-20 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-10-20 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-20 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-20 20:33:29,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.