/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl


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


This is Ultimate 0.2.2-?-bc289cb
[2022-01-29 13:02:14,017 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-01-29 13:02:14,134 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf
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[2022-01-29 13:02:14,161 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-29 13:02:14,161 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-29 13:02:14,161 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-29 13:02:14,162 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-01-29 13:02:14,162 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-01-29 13:02:14,163 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-29 13:02:14,163 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-29 13:02:14,163 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-29 13:02:14,163 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-01-29 13:02:14,164 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-29 13:02:14,165 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-29 13:02:14,165 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-29 13:02:14,165 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-01-29 13:02:14,165 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-29 13:02:14,166 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-29 13:02:14,166 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-29 13:02:14,166 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-29 13:02:14,166 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-29 13:02:14,166 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-29 13:02:14,166 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-29 13:02:14,167 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-29 13:02:14,167 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-01-29 13:02:14,167 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-29 13:02:14,167 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-01-29 13:02:14,167 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-01-29 13:02:14,362 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-29 13:02:14,383 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-29 13:02:14,384 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-29 13:02:14,385 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-01-29 13:02:14,386 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-01-29 13:02:14,387 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl
[2022-01-29 13:02:14,387 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl'
[2022-01-29 13:02:14,404 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-29 13:02:14,405 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-01-29 13:02:14,406 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-29 13:02:14,406 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-29 13:02:14,407 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-29 13:02:14,415 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,420 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,425 INFO  L137                Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-01-29 13:02:14,426 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-29 13:02:14,428 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-29 13:02:14,428 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-29 13:02:14,428 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-29 13:02:14,433 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,434 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,435 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,435 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,439 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,439 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,440 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,441 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-29 13:02:14,441 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-29 13:02:14,442 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-29 13:02:14,442 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-29 13:02:14,442 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/1) ...
[2022-01-29 13:02:14,448 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-29 13:02:14,455 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-29 13:02:14,469 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)
[2022-01-29 13:02:14,489 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
[2022-01-29 13:02:14,503 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration
[2022-01-29 13:02:14,503 INFO  L130     BoogieDeclarations]: Found specification of procedure set_1
[2022-01-29 13:02:14,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_1
[2022-01-29 13:02:14,503 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration
[2022-01-29 13:02:14,503 INFO  L130     BoogieDeclarations]: Found specification of procedure set_2
[2022-01-29 13:02:14,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_2
[2022-01-29 13:02:14,503 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration
[2022-01-29 13:02:14,503 INFO  L130     BoogieDeclarations]: Found specification of procedure set_3
[2022-01-29 13:02:14,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_3
[2022-01-29 13:02:14,504 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration
[2022-01-29 13:02:14,504 INFO  L130     BoogieDeclarations]: Found specification of procedure set_4
[2022-01-29 13:02:14,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_4
[2022-01-29 13:02:14,504 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration
[2022-01-29 13:02:14,504 INFO  L130     BoogieDeclarations]: Found specification of procedure set_0
[2022-01-29 13:02:14,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_0
[2022-01-29 13:02:14,504 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-01-29 13:02:14,504 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-29 13:02:14,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-29 13:02:14,505 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-01-29 13:02:14,543 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-29 13:02:14,545 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-29 13:02:14,614 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-29 13:02:14,619 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-29 13:02:14,619 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-01-29 13:02:14,620 INFO  L202        PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 01:02:14 BoogieIcfgContainer
[2022-01-29 13:02:14,620 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-29 13:02:14,622 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-29 13:02:14,622 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-29 13:02:14,628 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-29 13:02:14,628 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:02:14" (1/2) ...
[2022-01-29 13:02:14,629 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5f4e3 and model type example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 01:02:14, skipping insertion in model container
[2022-01-29 13:02:14,629 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 01:02:14" (2/2) ...
[2022-01-29 13:02:14,630 INFO  L111   eAbstractionObserver]: Analyzing ICFG example_5.bpl
[2022-01-29 13:02:14,637 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-01-29 13:02:14,637 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-29 13:02:14,637 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-29 13:02:14,637 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-01-29 13:02:14,665 INFO  L148    ThreadInstanceAdder]: Constructed 25 joinOtherThreadTransitions.
[2022-01-29 13:02:14,697 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-01-29 13:02:14,697 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-29 13:02:14,698 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)
[2022-01-29 13:02:14,700 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
[2022-01-29 13:02:14,721 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-29 13:02:14,726 INFO  L339      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, mLoopAccelerationTechnique=FAST_UPR
[2022-01-29 13:02:14,726 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2022-01-29 13:02:14,955 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:02:14,962 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:02:14,962 INFO  L85        PathProgramCache]: Analyzing trace with hash -759969617, now seen corresponding path program 1 times
[2022-01-29 13:02:14,971 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:02:14,972 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401687058]
[2022-01-29 13:02:14,972 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:02:14,972 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:02:15,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:02:15,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:02:15,104 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:02:15,104 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401687058]
[2022-01-29 13:02:15,105 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401687058] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:02:15,105 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:02:15,105 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-29 13:02:15,106 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10982643]
[2022-01-29 13:02:15,107 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:02:15,112 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-29 13:02:15,112 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:02:15,127 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-29 13:02:15,129 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-29 13:02:15,129 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:15,130 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:02:15,131 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2022-01-29 13:02:15,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:15,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,291 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-29 13:02:15,292 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:02:15,294 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:02:15,294 INFO  L85        PathProgramCache]: Analyzing trace with hash -759018227, now seen corresponding path program 1 times
[2022-01-29 13:02:15,295 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:02:15,295 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528051513]
[2022-01-29 13:02:15,295 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:02:15,296 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:02:15,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:02:15,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:02:15,344 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:02:15,344 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528051513]
[2022-01-29 13:02:15,344 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528051513] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:02:15,344 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:02:15,344 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-29 13:02:15,345 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702800967]
[2022-01-29 13:02:15,345 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:02:15,346 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-29 13:02:15,346 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:02:15,347 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-29 13:02:15,347 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-29 13:02:15,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:15,347 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:02:15,348 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2022-01-29 13:02:15,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:15,478 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,479 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-29 13:02:15,479 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:02:15,480 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:02:15,480 INFO  L85        PathProgramCache]: Analyzing trace with hash -758124497, now seen corresponding path program 1 times
[2022-01-29 13:02:15,480 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:02:15,480 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439162684]
[2022-01-29 13:02:15,480 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:02:15,481 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:02:15,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:02:15,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:02:15,502 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:02:15,502 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439162684]
[2022-01-29 13:02:15,503 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439162684] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:02:15,503 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:02:15,503 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-29 13:02:15,503 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949840155]
[2022-01-29 13:02:15,503 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:02:15,504 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-29 13:02:15,504 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:02:15,504 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-29 13:02:15,504 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-29 13:02:15,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:15,504 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:02:15,505 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2022-01-29 13:02:15,505 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,505 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,505 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:15,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,619 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-01-29 13:02:15,619 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:02:15,620 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:02:15,620 INFO  L85        PathProgramCache]: Analyzing trace with hash -757201007, now seen corresponding path program 1 times
[2022-01-29 13:02:15,620 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:02:15,620 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708562878]
[2022-01-29 13:02:15,620 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:02:15,621 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:02:15,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:02:15,858 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:02:15,858 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:02:15,859 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708562878]
[2022-01-29 13:02:15,859 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708562878] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:02:15,859 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:02:15,859 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-29 13:02:15,859 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710444286]
[2022-01-29 13:02:15,859 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:02:15,860 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-29 13:02:15,860 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:02:15,860 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-29 13:02:15,860 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-29 13:02:15,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:15,861 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:02:15,861 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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)
[2022-01-29 13:02:15,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:15,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:17,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:17,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:17,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:17,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:02:17,087 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-01-29 13:02:17,087 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:02:17,088 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:02:17,089 INFO  L85        PathProgramCache]: Analyzing trace with hash -1085583889, now seen corresponding path program 2 times
[2022-01-29 13:02:17,089 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:02:17,089 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672387331]
[2022-01-29 13:02:17,089 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:02:17,089 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:02:17,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:02:17,280 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:02:17,280 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:02:17,280 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672387331]
[2022-01-29 13:02:17,280 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672387331] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:02:17,281 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:02:17,281 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-29 13:02:17,281 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821307391]
[2022-01-29 13:02:17,281 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:02:17,281 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-29 13:02:17,281 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:02:17,282 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-29 13:02:17,282 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-29 13:02:17,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:17,282 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:02:17,282 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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)
[2022-01-29 13:02:17,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:17,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:17,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:17,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:02:17,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:43,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:43,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:43,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:43,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:02:43,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:02:43,175 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-01-29 13:02:43,176 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:02:43,176 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:02:43,176 INFO  L85        PathProgramCache]: Analyzing trace with hash 1494429295, now seen corresponding path program 3 times
[2022-01-29 13:02:43,176 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:02:43,177 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414511303]
[2022-01-29 13:02:43,177 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:02:43,177 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:02:43,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:02:43,335 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:02:43,335 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:02:43,335 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414511303]
[2022-01-29 13:02:43,336 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414511303] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:02:43,336 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:02:43,336 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-29 13:02:43,336 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838626028]
[2022-01-29 13:02:43,336 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:02:43,336 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-29 13:02:43,336 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:02:43,337 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-29 13:02:43,337 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-29 13:02:43,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:02:43,337 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:02:43,338 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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)
[2022-01-29 13:02:43,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:43,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:43,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:02:43,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:02:43,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:02:43,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:03:14,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:03:14,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:03:14,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:03:14,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:03:14,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:03:14,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:03:14,804 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-01-29 13:03:14,804 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:03:14,805 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:03:14,805 INFO  L85        PathProgramCache]: Analyzing trace with hash 2934383, now seen corresponding path program 4 times
[2022-01-29 13:03:14,805 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:03:14,805 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074045596]
[2022-01-29 13:03:14,805 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:03:14,806 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:03:14,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:03:14,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:03:14,932 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:03:14,933 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074045596]
[2022-01-29 13:03:14,933 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074045596] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:03:14,936 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:03:14,937 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-29 13:03:14,937 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411543989]
[2022-01-29 13:03:14,937 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:03:14,938 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-29 13:03:14,938 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:03:14,938 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-29 13:03:14,938 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-29 13:03:14,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:03:14,939 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:03:14,939 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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)
[2022-01-29 13:03:14,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:03:14,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:03:14,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:03:14,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:03:14,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:03:14,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:03:14,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:04:03,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:04:03,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:04:03,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:04:03,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,623 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-01-29 13:04:03,623 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:04:03,623 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:04:03,623 INFO  L85        PathProgramCache]: Analyzing trace with hash 1817238861, now seen corresponding path program 5 times
[2022-01-29 13:04:03,624 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:04:03,624 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573773712]
[2022-01-29 13:04:03,624 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:04:03,624 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:04:03,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:04:03,738 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:04:03,738 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:04:03,739 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573773712]
[2022-01-29 13:04:03,739 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573773712] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:04:03,739 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:04:03,739 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-29 13:04:03,739 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691772706]
[2022-01-29 13:04:03,739 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:04:03,739 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-29 13:04:03,740 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:04:03,740 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-29 13:04:03,740 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-29 13:04:03,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:04:03,740 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:04:03,740 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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)
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:04:03,741 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:05:04,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:05:04,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:05:04,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:05:04,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,325 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-01-29 13:05:04,325 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] ===
[2022-01-29 13:05:04,325 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-29 13:05:04,325 INFO  L85        PathProgramCache]: Analyzing trace with hash 227304111, now seen corresponding path program 6 times
[2022-01-29 13:05:04,326 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-29 13:05:04,326 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261039891]
[2022-01-29 13:05:04,326 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-29 13:05:04,326 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-29 13:05:04,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-29 13:05:04,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-29 13:05:04,448 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-29 13:05:04,448 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261039891]
[2022-01-29 13:05:04,448 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261039891] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-29 13:05:04,448 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-29 13:05:04,448 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-29 13:05:04,448 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881228649]
[2022-01-29 13:05:04,448 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-29 13:05:04,449 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-29 13:05:04,449 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-29 13:05:04,449 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-29 13:05:04,449 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-01-29 13:05:04,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-29 13:05:04,449 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-01-29 13:05:04,450 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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)
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-01-29 13:05:04,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.