/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-4threads.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-06 00:52:36,752 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-06 00:52:36,838 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-06 00:52:36,871 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-06 00:52:36,871 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-06 00:52:36,872 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-06 00:52:36,872 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-06 00:52:36,873 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-06 00:52:36,873 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-06 00:52:36,874 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-06 00:52:36,874 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-06 00:52:36,874 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-06 00:52:36,875 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-06 00:52:36,875 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-06 00:52:36,875 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-06 00:52:36,875 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-06 00:52:36,875 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-06 00:52:36,875 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-06 00:52:36,875 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-06 00:52:36,875 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-06 00:52:36,876 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-06 00:52:36,876 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-06 00:52:36,876 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-06 00:52:36,877 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-06 00:52:36,878 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-06 00:52:36,878 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-06 00:52:36,878 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-06 00:52:36,878 INFO  L138        SettingsManager]:  * Independence relation used for POR in concurrent analysis=SYNTACTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
[2022-10-06 00:52:37,204 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-06 00:52:37,233 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-06 00:52:37,235 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-06 00:52:37,236 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-06 00:52:37,239 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-06 00:52:37,240 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-4threads.bpl
[2022-10-06 00:52:37,241 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-4threads.bpl'
[2022-10-06 00:52:37,283 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-06 00:52:37,293 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-06 00:52:37,308 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-06 00:52:37,308 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-06 00:52:37,308 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-06 00:52:37,317 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,322 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,340 INFO  L138                Inliner]: procedures = 3, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13
[2022-10-06 00:52:37,341 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-06 00:52:37,343 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-06 00:52:37,343 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-06 00:52:37,343 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-06 00:52:37,348 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,349 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,350 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,350 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,353 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,376 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,377 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,378 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-06 00:52:37,378 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-06 00:52:37,378 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-06 00:52:37,378 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-06 00:52:37,379 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/1) ...
[2022-10-06 00:52:37,384 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-06 00:52:37,392 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-06 00:52:37,406 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)
[2022-10-06 00:52:37,410 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
[2022-10-06 00:52:37,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-10-06 00:52:37,473 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-06 00:52:37,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-06 00:52:37,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration
[2022-10-06 00:52:37,474 INFO  L130     BoogieDeclarations]: Found specification of procedure sum
[2022-10-06 00:52:37,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure sum
[2022-10-06 00:52:37,474 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-06 00:52:37,513 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-06 00:52:37,514 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-06 00:52:37,586 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-06 00:52:37,597 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-06 00:52:37,597 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-06 00:52:37,599 INFO  L202        PluginConnector]: Adding new model array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:52:37 BoogieIcfgContainer
[2022-10-06 00:52:37,599 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-06 00:52:37,600 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-06 00:52:37,601 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-06 00:52:37,603 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-06 00:52:37,603 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 12:52:37" (1/2) ...
[2022-10-06 00:52:37,604 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659dc53c and model type array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:52:37, skipping insertion in model container
[2022-10-06 00:52:37,604 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-with-log-4threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:52:37" (2/2) ...
[2022-10-06 00:52:37,605 INFO  L112   eAbstractionObserver]: Analyzing ICFG array-sum-with-log-4threads.bpl
[2022-10-06 00:52:37,610 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-06 00:52:37,617 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-06 00:52:37,617 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-06 00:52:37,617 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-06 00:52:37,686 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-10-06 00:52:37,763 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-06 00:52:37,764 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-06 00:52:37,764 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-06 00:52:37,767 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)
[2022-10-06 00:52:37,806 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
[2022-10-06 00:52:37,829 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-06 00:52:37,844 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-06 00:52:37,860 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;@1e0a9c12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-06 00:52:37,861 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-06 00:52:40,897 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:52:40,901 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:52:40,902 INFO  L85        PathProgramCache]: Analyzing trace with hash 1488063055, now seen corresponding path program 1 times
[2022-10-06 00:52:40,908 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:52:40,908 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141446904]
[2022-10-06 00:52:40,908 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:52:40,909 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:52:41,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:52:41,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-10-06 00:52:41,095 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:52:41,096 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141446904]
[2022-10-06 00:52:41,096 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141446904] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-06 00:52:41,096 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-06 00:52:41,096 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-10-06 00:52:41,097 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73676370]
[2022-10-06 00:52:41,098 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-06 00:52:41,104 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-10-06 00:52:41,104 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:52:41,117 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-10-06 00:52:41,118 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-10-06 00:52:41,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:41,122 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:52:41,122 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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)
[2022-10-06 00:52:41,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:41,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:41,938 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-06 00:52:41,938 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:52:41,939 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:52:41,939 INFO  L85        PathProgramCache]: Analyzing trace with hash 2057795055, now seen corresponding path program 1 times
[2022-10-06 00:52:41,939 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:52:41,939 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425690655]
[2022-10-06 00:52:41,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:52:41,939 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:52:41,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:52:42,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 120 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2022-10-06 00:52:42,058 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:52:42,058 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425690655]
[2022-10-06 00:52:42,058 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425690655] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:52:42,059 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:52:42,059 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2022-10-06 00:52:42,059 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132439847]
[2022-10-06 00:52:42,059 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:52:42,060 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-06 00:52:42,060 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:52:42,061 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-06 00:52:42,061 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-10-06 00:52:42,061 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:42,068 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:52:42,068 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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)
[2022-10-06 00:52:42,068 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:42,068 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:45,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:45,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:45,376 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-06 00:52:45,380 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:52:45,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:52:45,381 INFO  L85        PathProgramCache]: Analyzing trace with hash 1419684749, now seen corresponding path program 2 times
[2022-10-06 00:52:45,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:52:45,382 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071670627]
[2022-10-06 00:52:45,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:52:45,383 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:52:45,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:52:45,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 120 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2022-10-06 00:52:45,528 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:52:45,528 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071670627]
[2022-10-06 00:52:45,528 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071670627] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:52:45,528 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:52:45,528 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2022-10-06 00:52:45,528 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086136806]
[2022-10-06 00:52:45,529 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:52:45,529 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-06 00:52:45,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:52:45,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-06 00:52:45,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-10-06 00:52:45,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:45,530 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:52:45,530 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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)
[2022-10-06 00:52:45,530 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:45,530 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:45,530 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:48,333 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:48,333 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:48,333 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:52:48,333 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-06 00:52:48,334 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:52:48,334 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:52:48,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 1562945444, now seen corresponding path program 3 times
[2022-10-06 00:52:48,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:52:48,334 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984411115]
[2022-10-06 00:52:48,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:52:48,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:52:48,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:52:48,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2022-10-06 00:52:48,426 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:52:48,427 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984411115]
[2022-10-06 00:52:48,427 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984411115] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:52:48,427 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:52:48,427 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2022-10-06 00:52:48,430 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484621134]
[2022-10-06 00:52:48,430 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:52:48,431 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-06 00:52:48,432 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:52:48,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-06 00:52:48,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-10-06 00:52:48,435 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:48,435 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:52:48,435 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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)
[2022-10-06 00:52:48,436 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:48,436 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:48,436 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:52:48,436 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:56,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:56,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:56,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:52:56,187 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:56,188 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-06 00:52:56,188 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:52:56,189 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:52:56,189 INFO  L85        PathProgramCache]: Analyzing trace with hash 435568608, now seen corresponding path program 4 times
[2022-10-06 00:52:56,189 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:52:56,189 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128657391]
[2022-10-06 00:52:56,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:52:56,189 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:52:56,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:52:56,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 63 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2022-10-06 00:52:56,278 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:52:56,278 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128657391]
[2022-10-06 00:52:56,278 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128657391] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:52:56,279 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:52:56,279 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2022-10-06 00:52:56,279 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983583858]
[2022-10-06 00:52:56,279 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:52:56,279 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-06 00:52:56,279 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:52:56,280 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-06 00:52:56,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-10-06 00:52:56,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:52:56,280 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:52:56,280 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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)
[2022-10-06 00:52:56,280 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:52:56,280 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:56,280 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:52:56,281 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:52:56,281 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:05,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:05,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:05,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:05,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:05,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:05,590 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-06 00:53:05,590 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:53:05,591 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:53:05,591 INFO  L85        PathProgramCache]: Analyzing trace with hash 1179046078, now seen corresponding path program 5 times
[2022-10-06 00:53:05,591 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:53:05,591 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657426770]
[2022-10-06 00:53:05,591 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:53:05,592 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:53:05,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:53:05,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-10-06 00:53:05,643 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:53:05,643 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657426770]
[2022-10-06 00:53:05,643 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657426770] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:53:05,643 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:53:05,643 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2022-10-06 00:53:05,644 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070193405]
[2022-10-06 00:53:05,644 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:53:05,644 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-06 00:53:05,644 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:53:05,645 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-06 00:53:05,645 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-10-06 00:53:05,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:05,645 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:53:05,645 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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)
[2022-10-06 00:53:05,645 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:05,645 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:05,646 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:05,646 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:05,646 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:05,646 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:25,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:25,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:25,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:25,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:25,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:25,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:25,473 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-06 00:53:25,473 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:53:25,474 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:53:25,474 INFO  L85        PathProgramCache]: Analyzing trace with hash -1929654798, now seen corresponding path program 6 times
[2022-10-06 00:53:25,474 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:53:25,474 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752928378]
[2022-10-06 00:53:25,475 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:53:25,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:53:25,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:53:25,523 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-10-06 00:53:25,523 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:53:25,524 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752928378]
[2022-10-06 00:53:25,524 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752928378] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:53:25,524 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:53:25,524 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2022-10-06 00:53:25,524 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978669761]
[2022-10-06 00:53:25,524 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:53:25,524 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-06 00:53:25,525 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:53:25,525 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-06 00:53:25,525 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-10-06 00:53:25,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:25,525 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:53:25,526 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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)
[2022-10-06 00:53:25,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:25,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:25,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:25,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:25,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:25,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:25,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:52,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:52,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:52,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:52,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:52,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:52,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:52,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:52,705 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-06 00:53:52,705 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:53:52,705 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:53:52,706 INFO  L85        PathProgramCache]: Analyzing trace with hash -2034418270, now seen corresponding path program 7 times
[2022-10-06 00:53:52,706 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:53:52,710 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311571975]
[2022-10-06 00:53:52,713 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:53:52,713 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:53:52,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:53:53,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-06 00:53:53,564 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:53:53,564 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311571975]
[2022-10-06 00:53:53,564 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311571975] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:53:53,564 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:53:53,564 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22
[2022-10-06 00:53:53,564 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244011443]
[2022-10-06 00:53:53,564 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:53:53,565 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2022-10-06 00:53:53,565 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:53:53,565 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2022-10-06 00:53:53,566 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506
[2022-10-06 00:53:53,566 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:53,566 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:53:53,566 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-06 00:53:53,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:53,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:53,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:53,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:53,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:53,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:53,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:53,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:54,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:54,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:54,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:54,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:54,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:54,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:54,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:54,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 00:53:54,950 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-06 00:53:54,950 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:53:54,950 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:53:54,951 INFO  L85        PathProgramCache]: Analyzing trace with hash -1316019902, now seen corresponding path program 8 times
[2022-10-06 00:53:54,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:53:54,951 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256343896]
[2022-10-06 00:53:54,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:53:54,951 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:53:55,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:53:56,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-06 00:53:56,818 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:53:56,818 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256343896]
[2022-10-06 00:53:56,818 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256343896] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:53:56,818 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:53:56,818 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32
[2022-10-06 00:53:56,818 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723222175]
[2022-10-06 00:53:56,818 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:53:56,819 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2022-10-06 00:53:56,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:53:56,820 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2022-10-06 00:53:56,821 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056
[2022-10-06 00:53:56,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:53:56,821 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:53:56,821 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 33 states, 32 states have (on average 3.53125) internal successors, (113), 33 states have internal predecessors, (113), 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)
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 00:53:56,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:54:01,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:54:01,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:01,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:01,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:01,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:01,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:01,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:01,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 00:54:01,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-10-06 00:54:01,686 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-10-06 00:54:01,686 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:54:01,687 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:54:01,687 INFO  L85        PathProgramCache]: Analyzing trace with hash -674097950, now seen corresponding path program 9 times
[2022-10-06 00:54:01,687 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:54:01,687 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68978790]
[2022-10-06 00:54:01,687 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:54:01,687 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:54:01,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:54:04,381 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-06 00:54:04,381 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:54:04,381 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68978790]
[2022-10-06 00:54:04,381 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68978790] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:54:04,382 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:54:04,382 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43
[2022-10-06 00:54:04,382 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828884826]
[2022-10-06 00:54:04,382 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:54:04,382 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 44 states
[2022-10-06 00:54:04,382 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:54:04,383 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants.
[2022-10-06 00:54:04,409 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1661, Unknown=0, NotChecked=0, Total=1892
[2022-10-06 00:54:04,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:54:04,410 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:54:04,410 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 44 states, 43 states have (on average 3.6511627906976742) internal successors, (157), 44 states have internal predecessors, (157), 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)
[2022-10-06 00:54:04,410 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:54:04,410 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:04,410 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:04,411 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:04,411 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:04,411 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:04,411 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:04,411 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 00:54:04,411 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-10-06 00:54:04,411 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:54:10,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-10-06 00:54:10,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-10-06 00:54:10,913 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-10-06 00:54:10,914 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 00:54:10,914 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 00:54:10,914 INFO  L85        PathProgramCache]: Analyzing trace with hash 1613633666, now seen corresponding path program 10 times
[2022-10-06 00:54:10,914 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 00:54:10,914 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221833884]
[2022-10-06 00:54:10,914 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 00:54:10,914 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 00:54:10,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 00:54:13,998 INFO  L134       CoverageAnalysis]: Checked inductivity of 280 backedges. 1 proven. 254 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2022-10-06 00:54:13,998 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 00:54:13,999 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221833884]
[2022-10-06 00:54:13,999 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221833884] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 00:54:13,999 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 00:54:13,999 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46
[2022-10-06 00:54:13,999 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498573106]
[2022-10-06 00:54:13,999 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 00:54:14,000 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 47 states
[2022-10-06 00:54:14,000 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 00:54:14,000 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants.
[2022-10-06 00:54:14,001 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1896, Unknown=0, NotChecked=0, Total=2162
[2022-10-06 00:54:14,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 00:54:14,001 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 00:54:14,002 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 47 states, 46 states have (on average 3.869565217391304) internal successors, (178), 47 states have internal predecessors, (178), 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)
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-10-06 00:54:14,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.