/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_11.bpl


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11
[2022-03-02 03:30:46,839 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-03-02 03:30:46,905 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-03-02 03:30:46,908 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf
[2022-03-02 03:30:46,928 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-03-02 03:30:46,928 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-03-02 03:30:46,929 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-03-02 03:30:46,929 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-03-02 03:30:46,929 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-03-02 03:30:46,930 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-03-02 03:30:46,930 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-03-02 03:30:46,930 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-03-02 03:30:46,930 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-03-02 03:30:46,930 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-03-02 03:30:46,931 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-03-02 03:30:46,931 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-03-02 03:30:46,931 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-03-02 03:30:46,931 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-03-02 03:30:46,931 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-03-02 03:30:46,931 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-03-02 03:30:46,931 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-03-02 03:30:46,932 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-03-02 03:30:46,932 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-03-02 03:30:46,932 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-03-02 03:30:46,932 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-03-02 03:30:46,932 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-03-02 03:30:46,932 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-03-02 03:30:46,932 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-03-02 03:30:46,933 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-03-02 03:30:46,933 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-02 03:30:46,933 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-03-02 03:30:46,933 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-03-02 03:30:46,934 INFO  L138        SettingsManager]:  * MCR: Optimize fork and join=false
[2022-03-02 03:30:46,934 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-03-02 03:30:47,117 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-03-02 03:30:47,138 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-03-02 03:30:47,139 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-03-02 03:30:47,140 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-03-02 03:30:47,142 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-03-02 03:30:47,143 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_11.bpl
[2022-03-02 03:30:47,144 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_11.bpl'
[2022-03-02 03:30:47,161 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-03-02 03:30:47,162 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-03-02 03:30:47,163 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-03-02 03:30:47,163 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-03-02 03:30:47,163 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-03-02 03:30:47,171 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,176 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,181 INFO  L137                Inliner]: procedures = 12, calls = 11, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-03-02 03:30:47,182 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-03-02 03:30:47,185 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-03-02 03:30:47,185 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-03-02 03:30:47,185 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-03-02 03:30:47,191 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,191 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,193 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,193 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,196 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,197 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,197 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,198 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-03-02 03:30:47,199 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-03-02 03:30:47,199 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-03-02 03:30:47,199 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-03-02 03:30:47,200 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/1) ...
[2022-03-02 03:30:47,205 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-02 03:30:47,212 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-02 03:30:47,245 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)
[2022-03-02 03:30:47,251 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
[2022-03-02 03:30:47,273 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration
[2022-03-02 03:30:47,274 INFO  L130     BoogieDeclarations]: Found specification of procedure set_1
[2022-03-02 03:30:47,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_1
[2022-03-02 03:30:47,274 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration
[2022-03-02 03:30:47,274 INFO  L130     BoogieDeclarations]: Found specification of procedure set_2
[2022-03-02 03:30:47,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_2
[2022-03-02 03:30:47,274 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration
[2022-03-02 03:30:47,274 INFO  L130     BoogieDeclarations]: Found specification of procedure set_3
[2022-03-02 03:30:47,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_3
[2022-03-02 03:30:47,274 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration
[2022-03-02 03:30:47,274 INFO  L130     BoogieDeclarations]: Found specification of procedure set_4
[2022-03-02 03:30:47,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_4
[2022-03-02 03:30:47,275 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration
[2022-03-02 03:30:47,275 INFO  L130     BoogieDeclarations]: Found specification of procedure set_0
[2022-03-02 03:30:47,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_0
[2022-03-02 03:30:47,277 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration
[2022-03-02 03:30:47,277 INFO  L130     BoogieDeclarations]: Found specification of procedure set_9
[2022-03-02 03:30:47,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_9
[2022-03-02 03:30:47,277 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-03-02 03:30:47,277 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-03-02 03:30:47,277 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-03-02 03:30:47,277 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration
[2022-03-02 03:30:47,277 INFO  L130     BoogieDeclarations]: Found specification of procedure set_5
[2022-03-02 03:30:47,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_5
[2022-03-02 03:30:47,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration
[2022-03-02 03:30:47,278 INFO  L130     BoogieDeclarations]: Found specification of procedure set_6
[2022-03-02 03:30:47,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_6
[2022-03-02 03:30:47,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration
[2022-03-02 03:30:47,278 INFO  L130     BoogieDeclarations]: Found specification of procedure set_10
[2022-03-02 03:30:47,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_10
[2022-03-02 03:30:47,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration
[2022-03-02 03:30:47,278 INFO  L130     BoogieDeclarations]: Found specification of procedure set_7
[2022-03-02 03:30:47,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_7
[2022-03-02 03:30:47,278 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration
[2022-03-02 03:30:47,278 INFO  L130     BoogieDeclarations]: Found specification of procedure set_8
[2022-03-02 03:30:47,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_8
[2022-03-02 03:30:47,279 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-03-02 03:30:47,316 INFO  L234             CfgBuilder]: Building ICFG
[2022-03-02 03:30:47,317 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-03-02 03:30:47,423 INFO  L275             CfgBuilder]: Performing block encoding
[2022-03-02 03:30:47,429 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-03-02 03:30:47,429 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-03-02 03:30:47,430 INFO  L202        PluginConnector]: Adding new model example_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:30:47 BoogieIcfgContainer
[2022-03-02 03:30:47,430 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-03-02 03:30:47,431 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-03-02 03:30:47,431 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-03-02 03:30:47,433 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-03-02 03:30:47,433 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:30:47" (1/2) ...
[2022-03-02 03:30:47,434 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199e530a and model type example_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:30:47, skipping insertion in model container
[2022-03-02 03:30:47,434 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:30:47" (2/2) ...
[2022-03-02 03:30:47,435 INFO  L111   eAbstractionObserver]: Analyzing ICFG example_11.bpl
[2022-03-02 03:30:47,438 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-03-02 03:30:47,438 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-03-02 03:30:47,438 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-03-02 03:30:47,438 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-03-02 03:30:47,505 INFO  L148    ThreadInstanceAdder]: Constructed 121 joinOtherThreadTransitions.
[2022-03-02 03:30:47,573 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-03-02 03:30:47,574 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-02 03:30:47,575 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)
[2022-03-02 03:30:47,579 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
[2022-03-02 03:30:47,609 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-03-02 03:30:47,619 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=false, mMcrOverapproximateWrwc=true
[2022-03-02 03:30:47,619 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2022-03-02 03:30:47,829 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:47,831 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:47,840 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:47,840 INFO  L85        PathProgramCache]: Analyzing trace with hash -1109786686, now seen corresponding path program 1 times
[2022-03-02 03:30:47,846 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:47,846 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354658164]
[2022-03-02 03:30:47,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:47,846 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:47,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,031 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,031 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354658164]
[2022-03-02 03:30:48,032 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354658164] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,032 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,032 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,033 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821890659]
[2022-03-02 03:30:48,033 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,037 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,037 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,057 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,059 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,059 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,060 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,062 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,225 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:48,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,226 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-03-02 03:30:48,226 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:48,229 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:48,229 INFO  L85        PathProgramCache]: Analyzing trace with hash -2121726164, now seen corresponding path program 1 times
[2022-03-02 03:30:48,229 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:48,229 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059433048]
[2022-03-02 03:30:48,229 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:48,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:48,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,266 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,266 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059433048]
[2022-03-02 03:30:48,266 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059433048] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,266 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,266 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,266 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058960757]
[2022-03-02 03:30:48,266 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,267 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,268 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,268 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,268 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,268 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,268 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,269 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,269 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,347 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:48,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,348 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-03-02 03:30:48,348 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:48,349 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:48,350 INFO  L85        PathProgramCache]: Analyzing trace with hash -195692086, now seen corresponding path program 1 times
[2022-03-02 03:30:48,350 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:48,350 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588756138]
[2022-03-02 03:30:48,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:48,351 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:48,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,398 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,398 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588756138]
[2022-03-02 03:30:48,398 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588756138] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,398 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,398 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,398 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846565743]
[2022-03-02 03:30:48,398 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,399 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,399 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,399 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,399 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,400 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,400 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,400 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,485 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:48,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,485 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-03-02 03:30:48,486 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:48,487 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:48,487 INFO  L85        PathProgramCache]: Analyzing trace with hash 416590926, now seen corresponding path program 1 times
[2022-03-02 03:30:48,487 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:48,487 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235522043]
[2022-03-02 03:30:48,487 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:48,488 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:48,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,530 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,530 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235522043]
[2022-03-02 03:30:48,531 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235522043] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,531 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,531 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,531 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101453248]
[2022-03-02 03:30:48,531 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,531 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,531 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,532 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,532 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,532 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,532 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,532 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,532 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,532 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,533 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,533 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,630 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:48,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,631 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-03-02 03:30:48,631 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:48,632 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:48,632 INFO  L85        PathProgramCache]: Analyzing trace with hash 1043884520, now seen corresponding path program 1 times
[2022-03-02 03:30:48,632 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:48,633 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467119217]
[2022-03-02 03:30:48,633 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:48,635 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:48,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,681 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,681 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,682 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467119217]
[2022-03-02 03:30:48,682 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467119217] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,682 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,682 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,682 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979296847]
[2022-03-02 03:30:48,682 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,683 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,683 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,683 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,684 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,684 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,684 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,684 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,684 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,684 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,684 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,684 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,753 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:48,753 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,753 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,754 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-03-02 03:30:48,754 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:48,755 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:48,756 INFO  L85        PathProgramCache]: Analyzing trace with hash -1640141818, now seen corresponding path program 1 times
[2022-03-02 03:30:48,756 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:48,756 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080757505]
[2022-03-02 03:30:48,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:48,756 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:48,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,792 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,792 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080757505]
[2022-03-02 03:30:48,792 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080757505] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,792 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,792 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,793 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782840443]
[2022-03-02 03:30:48,793 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,793 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,793 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,794 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,794 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,794 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,794 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,795 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,861 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:48,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,862 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,862 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,862 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,862 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-03-02 03:30:48,862 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:48,863 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:48,863 INFO  L85        PathProgramCache]: Analyzing trace with hash -784835164, now seen corresponding path program 1 times
[2022-03-02 03:30:48,863 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:48,863 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371201019]
[2022-03-02 03:30:48,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:48,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:48,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,885 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,886 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,886 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371201019]
[2022-03-02 03:30:48,886 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371201019] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,886 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,886 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,886 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101640932]
[2022-03-02 03:30:48,886 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,887 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,887 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,887 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,887 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,888 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,955 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:48,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,956 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-03-02 03:30:48,956 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:48,957 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:48,957 INFO  L85        PathProgramCache]: Analyzing trace with hash 957051650, now seen corresponding path program 1 times
[2022-03-02 03:30:48,957 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:48,957 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564638748]
[2022-03-02 03:30:48,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:48,957 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:48,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:48,990 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:48,991 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:48,991 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564638748]
[2022-03-02 03:30:48,991 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564638748] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:48,991 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:48,991 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:30:48,991 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532024158]
[2022-03-02 03:30:48,991 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:48,992 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:30:48,992 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:48,992 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:30:48,992 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:30:48,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:48,992 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:48,993 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:48,993 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:49,050 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 375 transitions and produced 376 states.
[2022-03-02 03:30:49,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,051 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-03-02 03:30:49,051 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] ===
[2022-03-02 03:30:49,051 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:49,052 INFO  L85        PathProgramCache]: Analyzing trace with hash -1595135102, now seen corresponding path program 1 times
[2022-03-02 03:30:49,052 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:49,052 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409037566]
[2022-03-02 03:30:49,052 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:49,052 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:49,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:49,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:30:49,759 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:49,759 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409037566]
[2022-03-02 03:30:49,759 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409037566] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:30:49,759 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:30:49,759 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-03-02 03:30:49,760 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013621723]
[2022-03-02 03:30:49,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:30:49,760 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-03-02 03:30:49,760 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:49,760 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-03-02 03:30:49,761 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156
[2022-03-02 03:30:49,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:49,761 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:49,761 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 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)
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:49,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.