/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-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19
[2022-03-16 23:18:13,187 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-03-16 23:18:13,272 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-Lazy.epf
[2022-03-16 23:18:13,297 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-03-16 23:18:13,297 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-03-16 23:18:13,297 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-03-16 23:18:13,297 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-03-16 23:18:13,298 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-03-16 23:18:13,298 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-03-16 23:18:13,298 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-03-16 23:18:13,298 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-03-16 23:18:13,298 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-03-16 23:18:13,298 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-03-16 23:18:13,298 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-03-16 23:18:13,298 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-03-16 23:18:13,299 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-03-16 23:18:13,299 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-16 23:18:13,300 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-03-16 23:18:13,300 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-03-16 23:18:13,300 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-03-16 23:18:13,471 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-03-16 23:18:13,486 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-03-16 23:18:13,487 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-03-16 23:18:13,488 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-03-16 23:18:13,490 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-03-16 23:18:13,491 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl
[2022-03-16 23:18:13,492 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl'
[2022-03-16 23:18:13,509 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-03-16 23:18:13,510 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-03-16 23:18:13,511 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-03-16 23:18:13,511 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-03-16 23:18:13,511 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-03-16 23:18:13,519 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,523 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,528 INFO  L137                Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-03-16 23:18:13,529 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-03-16 23:18:13,530 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-03-16 23:18:13,530 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-03-16 23:18:13,531 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-03-16 23:18:13,537 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,538 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,538 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,538 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,540 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,541 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,541 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,542 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-03-16 23:18:13,542 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-03-16 23:18:13,543 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-03-16 23:18:13,543 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-03-16 23:18:13,543 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/1) ...
[2022-03-16 23:18:13,548 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-16 23:18:13,556 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-16 23:18:13,568 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)
[2022-03-16 23:18:13,576 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
[2022-03-16 23:18:13,597 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-03-16 23:18:13,597 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-03-16 23:18:13,597 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-03-16 23:18:13,597 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-03-16 23:18:13,597 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-03-16 23:18:13,597 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-03-16 23:18:13,597 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-03-16 23:18:13,598 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-03-16 23:18:13,598 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-03-16 23:18:13,598 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-03-16 23:18:13,641 INFO  L234             CfgBuilder]: Building ICFG
[2022-03-16 23:18:13,643 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-03-16 23:18:13,756 INFO  L275             CfgBuilder]: Performing block encoding
[2022-03-16 23:18:13,765 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-03-16 23:18:13,766 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-03-16 23:18:13,771 INFO  L202        PluginConnector]: Adding new model easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:18:13 BoogieIcfgContainer
[2022-03-16 23:18:13,772 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-03-16 23:18:13,773 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-03-16 23:18:13,773 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-03-16 23:18:13,775 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-03-16 23:18:13,775 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:13" (1/2) ...
[2022-03-16 23:18:13,785 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bce5883 and model type easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:18:13, skipping insertion in model container
[2022-03-16 23:18:13,786 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:18:13" (2/2) ...
[2022-03-16 23:18:13,796 INFO  L111   eAbstractionObserver]: Analyzing ICFG easy6.wvr.bpl
[2022-03-16 23:18:13,799 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-03-16 23:18:13,799 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-03-16 23:18:13,799 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-03-16 23:18:13,799 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-03-16 23:18:13,848 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-03-16 23:18:13,876 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-03-16 23:18:13,876 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-16 23:18:13,877 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)
[2022-03-16 23:18:13,878 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
[2022-03-16 23:18:13,904 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-03-16 23:18:13,908 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, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-03-16 23:18:13,909 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-03-16 23:18:14,053 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states.
[2022-03-16 23:18:14,055 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:18:14,061 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:18:14,061 INFO  L85        PathProgramCache]: Analyzing trace with hash -1625999289, now seen corresponding path program 1 times
[2022-03-16 23:18:14,067 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:18:14,068 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756260910]
[2022-03-16 23:18:14,068 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:18:14,068 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:18:14,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:18:14,296 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:18:14,297 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:18:14,297 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756260910]
[2022-03-16 23:18:14,297 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756260910] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:18:14,297 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:18:14,298 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-03-16 23:18:14,299 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244736169]
[2022-03-16 23:18:14,299 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:18:14,302 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-03-16 23:18:14,302 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:18:14,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-03-16 23:18:14,316 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-03-16 23:18:14,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:18:14,318 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:18:14,319 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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)
[2022-03-16 23:18:14,319 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:18:17,875 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 6212 transitions and produced 6213 states.
[2022-03-16 23:18:17,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:18:17,876 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-03-16 23:18:17,876 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:18:17,877 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:18:17,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -147404687, now seen corresponding path program 2 times
[2022-03-16 23:18:17,877 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:18:17,877 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12559887]
[2022-03-16 23:18:17,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:18:17,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:18:17,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:18:17,949 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:18:17,950 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:18:17,950 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12559887]
[2022-03-16 23:18:17,950 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12559887] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:18:17,950 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:18:17,950 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-03-16 23:18:17,950 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101491524]
[2022-03-16 23:18:17,950 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:18:17,951 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-03-16 23:18:17,951 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:18:17,952 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-03-16 23:18:17,952 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2022-03-16 23:18:17,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:18:17,952 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:18:17,952 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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)
[2022-03-16 23:18:17,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:18:17,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:08,738 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 113809 transitions and produced 113810 states.
[2022-03-16 23:19:08,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:08,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:08,739 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-03-16 23:19:08,739 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:19:08,739 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:19:08,740 INFO  L85        PathProgramCache]: Analyzing trace with hash -1589286509, now seen corresponding path program 3 times
[2022-03-16 23:19:08,740 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:19:08,740 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241455036]
[2022-03-16 23:19:08,740 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:19:08,740 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:19:08,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:19:08,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:19:08,760 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:19:08,760 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241455036]
[2022-03-16 23:19:08,760 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241455036] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:19:08,760 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:19:08,760 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-16 23:19:08,760 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026163803]
[2022-03-16 23:19:08,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:19:08,761 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-16 23:19:08,761 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:19:08,761 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-16 23:19:08,761 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-16 23:19:08,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:08,761 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:19:08,762 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2022-03-16 23:19:08,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:08,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:08,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:09,256 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1080 transitions and produced 1081 states.
[2022-03-16 23:19:09,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:09,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:09,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:09,257 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-03-16 23:19:09,257 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:19:09,257 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:19:09,257 INFO  L85        PathProgramCache]: Analyzing trace with hash -437304395, now seen corresponding path program 4 times
[2022-03-16 23:19:09,257 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:19:09,258 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532795570]
[2022-03-16 23:19:09,258 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:19:09,258 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:19:09,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:19:09,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:19:09,340 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:19:09,340 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532795570]
[2022-03-16 23:19:09,340 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532795570] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:19:09,340 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:19:09,340 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-03-16 23:19:09,340 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203748607]
[2022-03-16 23:19:09,340 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:19:09,341 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-03-16 23:19:09,341 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:19:09,341 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-03-16 23:19:09,341 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2022-03-16 23:19:09,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:09,342 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:19:09,342 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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)
[2022-03-16 23:19:09,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:09,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:09,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:09,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:23,314 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 32070 transitions and produced 32071 states.
[2022-03-16 23:19:23,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:23,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:23,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:23,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:23,315 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-03-16 23:19:23,315 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:19:23,316 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:19:23,316 INFO  L85        PathProgramCache]: Analyzing trace with hash 1469582261, now seen corresponding path program 5 times
[2022-03-16 23:19:23,316 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:19:23,316 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062341919]
[2022-03-16 23:19:23,316 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:19:23,316 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:19:23,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:19:23,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:19:23,387 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:19:23,387 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062341919]
[2022-03-16 23:19:23,387 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062341919] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:19:23,388 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:19:23,388 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-03-16 23:19:23,388 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234439167]
[2022-03-16 23:19:23,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:19:23,388 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-03-16 23:19:23,388 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:19:23,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-03-16 23:19:23,389 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2022-03-16 23:19:23,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:23,389 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:19:23,389 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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)
[2022-03-16 23:19:23,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:23,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:23,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:23,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:23,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:37,462 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 31876 transitions and produced 31877 states.
[2022-03-16 23:19:37,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:37,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:37,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:37,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:37,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:37,463 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-03-16 23:19:37,463 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:19:37,463 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:19:37,463 INFO  L85        PathProgramCache]: Analyzing trace with hash 1230178041, now seen corresponding path program 6 times
[2022-03-16 23:19:37,463 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:19:37,464 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398384000]
[2022-03-16 23:19:37,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:19:37,464 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:19:37,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:19:37,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:19:37,527 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:19:37,527 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398384000]
[2022-03-16 23:19:37,527 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398384000] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:19:37,527 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:19:37,527 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-03-16 23:19:37,528 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065654588]
[2022-03-16 23:19:37,528 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:19:37,528 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-03-16 23:19:37,528 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:19:37,528 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-03-16 23:19:37,528 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-03-16 23:19:37,529 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:37,529 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:19:37,529 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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)
[2022-03-16 23:19:37,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:37,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:37,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:37,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:37,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:37,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:39,763 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 5356 transitions and produced 5357 states.
[2022-03-16 23:19:39,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:39,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:39,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:39,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:39,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:39,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:39,775 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-03-16 23:19:39,776 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:19:39,776 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:19:39,776 INFO  L85        PathProgramCache]: Analyzing trace with hash 997609107, now seen corresponding path program 7 times
[2022-03-16 23:19:39,776 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:19:39,776 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654249090]
[2022-03-16 23:19:39,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:19:39,777 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:19:39,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:19:39,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:19:39,866 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:19:39,866 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654249090]
[2022-03-16 23:19:39,866 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654249090] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:19:39,866 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:19:39,866 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-03-16 23:19:39,866 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165492739]
[2022-03-16 23:19:39,866 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:19:39,867 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-03-16 23:19:39,867 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:19:39,867 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-03-16 23:19:39,867 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-03-16 23:19:39,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:39,867 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:19:39,867 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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)
[2022-03-16 23:19:39,868 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:39,868 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:39,868 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:39,868 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:39,868 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:39,868 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:39,868 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:55,841 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 36556 transitions and produced 36557 states.
[2022-03-16 23:19:55,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:55,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:55,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:55,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,842 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-03-16 23:19:55,842 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:19:55,843 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:19:55,843 INFO  L85        PathProgramCache]: Analyzing trace with hash -1390471533, now seen corresponding path program 8 times
[2022-03-16 23:19:55,843 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:19:55,843 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090059391]
[2022-03-16 23:19:55,843 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:19:55,843 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:19:55,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:19:55,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:19:55,911 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:19:55,911 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090059391]
[2022-03-16 23:19:55,911 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090059391] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:19:55,911 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:19:55,911 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-03-16 23:19:55,911 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6819793]
[2022-03-16 23:19:55,911 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:19:55,911 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-03-16 23:19:55,912 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:19:55,912 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-03-16 23:19:55,912 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-03-16 23:19:55,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:19:55,912 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:19:55,912 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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)
[2022-03-16 23:19:55,912 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:55,912 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:19:55,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:19:55,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:19:55,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:20:14,267 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 42314 transitions and produced 42315 states.
[2022-03-16 23:20:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:20:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:14,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,268 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-03-16 23:20:14,268 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:20:14,268 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:20:14,268 INFO  L85        PathProgramCache]: Analyzing trace with hash 1123075799, now seen corresponding path program 9 times
[2022-03-16 23:20:14,268 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:20:14,268 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092035792]
[2022-03-16 23:20:14,268 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:20:14,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:20:14,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:20:14,281 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:20:14,281 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:20:14,282 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092035792]
[2022-03-16 23:20:14,282 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092035792] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:20:14,282 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:20:14,282 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-16 23:20:14,282 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129424627]
[2022-03-16 23:20:14,282 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:20:14,282 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-16 23:20:14,282 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:20:14,283 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-16 23:20:14,283 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-16 23:20:14,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:20:14,283 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:20:14,283 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:14,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:20:18,875 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 11464 transitions and produced 11465 states.
[2022-03-16 23:20:18,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:18,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:18,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:20:18,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:18,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:20:18,876 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-03-16 23:20:18,876 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-03-16 23:20:18,877 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-16 23:20:18,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -1975924077, now seen corresponding path program 10 times
[2022-03-16 23:20:18,877 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-16 23:20:18,877 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798003018]
[2022-03-16 23:20:18,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-16 23:20:18,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-16 23:20:18,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-16 23:20:18,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-16 23:20:18,939 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-16 23:20:18,939 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798003018]
[2022-03-16 23:20:18,939 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798003018] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-16 23:20:18,939 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-16 23:20:18,939 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-03-16 23:20:18,939 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745040760]
[2022-03-16 23:20:18,939 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-16 23:20:18,940 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-03-16 23:20:18,940 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-16 23:20:18,940 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-03-16 23:20:18,940 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-03-16 23:20:18,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-16 23:20:18,940 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-16 23:20:18,940 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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)
[2022-03-16 23:20:18,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-16 23:20:18,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.