/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 18:15:59,573 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-09 18:15:59,687 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-09 18:15:59,688 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.epf
[2022-02-09 18:15:59,702 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-09 18:15:59,702 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 18:15:59,702 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 18:15:59,702 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 18:15:59,703 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 18:15:59,703 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 18:15:59,704 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-09 18:15:59,704 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 18:15:59,704 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-09 18:15:59,705 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 18:15:59,705 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 18:15:59,705 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 18:15:59,706 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 18:15:59,706 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-09 18:15:59,706 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 18:15:59,706 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-09 18:15:59,706 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-09 18:15:59,706 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 18:15:59,706 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-09 18:15:59,706 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 18:15:59,890 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 18:15:59,915 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 18:15:59,916 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 18:15:59,917 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-09 18:15:59,918 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-09 18:15:59,918 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl
[2022-02-09 18:15:59,920 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl'
[2022-02-09 18:15:59,942 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 18:15:59,943 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-09 18:15:59,944 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 18:15:59,944 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 18:15:59,944 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 18:15:59,952 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,957 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,962 INFO  L137                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-09 18:15:59,963 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 18:15:59,964 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 18:15:59,964 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 18:15:59,964 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 18:15:59,969 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,970 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,979 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,979 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,981 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,983 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,984 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,985 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 18:15:59,985 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 18:15:59,985 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 18:15:59,986 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-09 18:15:59,989 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/1) ...
[2022-02-09 18:15:59,994 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 18:15:59,999 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:00,011 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)
[2022-02-09 18:16:00,014 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
[2022-02-09 18:16:00,037 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-09 18:16:00,037 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-09 18:16:00,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-09 18:16:00,038 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-09 18:16:00,038 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-09 18:16:00,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-09 18:16:00,038 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-09 18:16:00,038 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 18:16:00,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 18:16:00,038 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-09 18:16:00,038 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-09 18:16:00,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-09 18:16:00,039 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 18:16:00,075 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-09 18:16:00,076 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 18:16:00,238 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-09 18:16:00,243 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 18:16:00,243 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 18:16:00,244 INFO  L202        PluginConnector]: Adding new model array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:16:00 BoogieIcfgContainer
[2022-02-09 18:16:00,244 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 18:16:00,245 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 18:16:00,246 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 18:16:00,261 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-09 18:16:00,261 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:15:59" (1/2) ...
[2022-02-09 18:16:00,262 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b11ce8 and model type array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:16:00, skipping insertion in model container
[2022-02-09 18:16:00,262 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:16:00" (2/2) ...
[2022-02-09 18:16:00,263 INFO  L111   eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.bpl
[2022-02-09 18:16:00,266 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 18:16:00,267 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 18:16:00,267 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 18:16:00,267 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 18:16:00,318 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-09 18:16:00,378 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-09 18:16:00,378 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:00,396 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)
[2022-02-09 18:16:00,434 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
[2022-02-09 18:16:00,447 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 18:16:00,453 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=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-02-09 18:16:00,453 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-09 18:16:00,466 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 35 transitions, 94 flow
[2022-02-09 18:16:00,552 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 305 states, 304 states have (on average 3.3782894736842106) internal successors, (1027), 304 states have internal predecessors, (1027), 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)
[2022-02-09 18:16:00,657 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1427 transitions and produced 1320 states.
[2022-02-09 18:16:00,660 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:00,672 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:00,673 INFO  L85        PathProgramCache]: Analyzing trace with hash -176329796, now seen corresponding path program 1 times
[2022-02-09 18:16:00,681 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:00,681 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172241229]
[2022-02-09 18:16:00,682 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:00,682 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:00,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:00,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 5960 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 5474 trivial. 0 not checked.
[2022-02-09 18:16:00,938 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:00,939 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172241229]
[2022-02-09 18:16:00,939 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172241229] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 18:16:00,939 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 18:16:00,939 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-09 18:16:00,940 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648084781]
[2022-02-09 18:16:00,941 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 18:16:00,943 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 18:16:00,943 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:00,961 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 18:16:00,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 18:16:00,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:00,965 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:00,965 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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)
[2022-02-09 18:16:00,965 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:01,017 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 780 transitions and produced 719 states.
[2022-02-09 18:16:01,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,018 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-09 18:16:01,018 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:01,018 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:01,019 INFO  L85        PathProgramCache]: Analyzing trace with hash 179515908, now seen corresponding path program 2 times
[2022-02-09 18:16:01,019 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:01,019 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637719415]
[2022-02-09 18:16:01,019 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:01,019 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:01,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:01,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 2979 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 2493 trivial. 0 not checked.
[2022-02-09 18:16:01,169 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:01,169 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637719415]
[2022-02-09 18:16:01,170 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637719415] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 18:16:01,170 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 18:16:01,170 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-09 18:16:01,170 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265719179]
[2022-02-09 18:16:01,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 18:16:01,171 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 18:16:01,172 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:01,172 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 18:16:01,172 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 18:16:01,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:01,172 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:01,173 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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)
[2022-02-09 18:16:01,173 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,173 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:01,199 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 260 transitions and produced 245 states.
[2022-02-09 18:16:01,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,200 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-09 18:16:01,200 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:01,202 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:01,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -1286749684, now seen corresponding path program 3 times
[2022-02-09 18:16:01,202 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:01,203 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731198222]
[2022-02-09 18:16:01,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:01,204 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:01,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:01,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 190 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked.
[2022-02-09 18:16:01,280 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:01,280 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731198222]
[2022-02-09 18:16:01,280 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731198222] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 18:16:01,281 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 18:16:01,281 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-09 18:16:01,281 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243576548]
[2022-02-09 18:16:01,281 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 18:16:01,282 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 18:16:01,283 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:01,283 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 18:16:01,284 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 18:16:01,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:01,284 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:01,284 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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)
[2022-02-09 18:16:01,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,285 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:01,310 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 196 transitions and produced 191 states.
[2022-02-09 18:16:01,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,311 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:01,311 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-09 18:16:01,311 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:01,312 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:01,312 INFO  L85        PathProgramCache]: Analyzing trace with hash -1840506958, now seen corresponding path program 4 times
[2022-02-09 18:16:01,313 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:01,313 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274704153]
[2022-02-09 18:16:01,313 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:01,313 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:01,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:01,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:01,971 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:01,972 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274704153]
[2022-02-09 18:16:01,972 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274704153] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:01,972 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401362053]
[2022-02-09 18:16:01,972 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:16:01,972 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:01,972 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:01,974 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:01,975 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-09 18:16:02,017 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:16:02,017 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:02,019 INFO  L263         TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 30 conjunts are in the unsatisfiable core
[2022-02-09 18:16:02,023 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:03,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:03,127 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:03,775 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:03,776 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:04,143 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:04,144 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:16:04,150 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:04,150 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:16:04,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:04,306 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401362053] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:04,306 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:04,306 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 40
[2022-02-09 18:16:04,306 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945311414]
[2022-02-09 18:16:04,306 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:04,307 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2022-02-09 18:16:04,307 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:04,307 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2022-02-09 18:16:04,309 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1497, Unknown=0, NotChecked=0, Total=1640
[2022-02-09 18:16:04,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:04,309 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:04,309 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 41 states, 41 states have (on average 3.3658536585365852) internal successors, (138), 40 states have internal predecessors, (138), 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)
[2022-02-09 18:16:04,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:04,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:04,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:04,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:05,650 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 33528 transitions and produced 11116 states.
[2022-02-09 18:16:05,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:05,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:05,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:05,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:05,675 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2022-02-09 18:16:05,864 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2022-02-09 18:16:05,865 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:05,865 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:05,865 INFO  L85        PathProgramCache]: Analyzing trace with hash -366045810, now seen corresponding path program 5 times
[2022-02-09 18:16:05,866 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:05,866 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453287407]
[2022-02-09 18:16:05,866 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:05,866 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:05,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:06,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:06,156 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:06,156 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453287407]
[2022-02-09 18:16:06,157 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453287407] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:06,157 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109802526]
[2022-02-09 18:16:06,157 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:16:06,157 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:06,157 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:06,160 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:06,165 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-09 18:16:06,198 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2022-02-09 18:16:06,198 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:06,200 INFO  L263         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 28 conjunts are in the unsatisfiable core
[2022-02-09 18:16:06,202 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:06,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:06,803 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:07,139 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:07,139 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:07,380 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:07,381 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:16:07,393 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:07,394 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:07,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:07,505 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109802526] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:07,505 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:07,505 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39
[2022-02-09 18:16:07,505 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809845259]
[2022-02-09 18:16:07,505 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:07,505 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2022-02-09 18:16:07,506 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:07,506 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2022-02-09 18:16:07,507 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1433, Unknown=0, NotChecked=0, Total=1560
[2022-02-09 18:16:07,507 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:07,507 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:07,507 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 40 states, 40 states have (on average 3.65) internal successors, (146), 39 states have internal predecessors, (146), 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)
[2022-02-09 18:16:07,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:07,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:07,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:07,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:07,507 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:09,990 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 14916 transitions and produced 5607 states.
[2022-02-09 18:16:09,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:09,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:09,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:09,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:09,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:10,026 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-09 18:16:10,227 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:10,227 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:10,228 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:10,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 1365223889, now seen corresponding path program 6 times
[2022-02-09 18:16:10,228 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:10,228 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060075713]
[2022-02-09 18:16:10,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:10,228 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:10,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:10,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 4 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:10,494 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:10,494 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060075713]
[2022-02-09 18:16:10,494 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060075713] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:10,494 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405018000]
[2022-02-09 18:16:10,494 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:16:10,494 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:10,494 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:10,498 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:10,523 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-09 18:16:10,543 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s)
[2022-02-09 18:16:10,544 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:10,545 INFO  L263         TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 27 conjunts are in the unsatisfiable core
[2022-02-09 18:16:10,546 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:10,801 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:16:10,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 4 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:10,854 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:10,905 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:10,905 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:16:11,041 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:11,042 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:11,048 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:11,049 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:11,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 4 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:11,158 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405018000] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:11,158 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:11,158 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 24
[2022-02-09 18:16:11,158 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12297628]
[2022-02-09 18:16:11,158 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:11,159 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2022-02-09 18:16:11,159 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:11,160 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2022-02-09 18:16:11,160 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600
[2022-02-09 18:16:11,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:11,160 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:11,160 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 3.92) internal successors, (98), 24 states have internal predecessors, (98), 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)
[2022-02-09 18:16:11,160 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:11,160 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:11,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:11,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:11,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:11,161 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:12,839 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 34692 transitions and produced 13213 states.
[2022-02-09 18:16:12,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:12,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:12,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:12,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:12,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:12,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:12,858 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2022-02-09 18:16:13,040 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:13,041 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:13,041 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:13,041 INFO  L85        PathProgramCache]: Analyzing trace with hash -832738163, now seen corresponding path program 7 times
[2022-02-09 18:16:13,042 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:13,042 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380195352]
[2022-02-09 18:16:13,042 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:13,042 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:13,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:13,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 3 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:13,509 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:13,509 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380195352]
[2022-02-09 18:16:13,509 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380195352] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:13,509 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046336310]
[2022-02-09 18:16:13,509 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 18:16:13,510 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:13,510 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:13,511 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:13,512 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-09 18:16:13,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:13,545 INFO  L263         TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 36 conjunts are in the unsatisfiable core
[2022-02-09 18:16:13,546 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:14,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 3 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:14,563 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:15,273 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:15,274 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:15,715 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:15,715 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:16:15,723 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:15,723 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:16:15,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:15,891 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046336310] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:15,891 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:15,891 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 19] total 48
[2022-02-09 18:16:15,891 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476739567]
[2022-02-09 18:16:15,891 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:15,892 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 49 states
[2022-02-09 18:16:15,892 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:15,892 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2022-02-09 18:16:15,893 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=2187, Unknown=0, NotChecked=0, Total=2352
[2022-02-09 18:16:15,893 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:15,893 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:15,894 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 49 states, 49 states have (on average 3.306122448979592) internal successors, (162), 48 states have internal predecessors, (162), 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)
[2022-02-09 18:16:15,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:15,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:15,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:15,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:15,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:15,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:15,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:16,706 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 261 transitions and produced 259 states.
[2022-02-09 18:16:16,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:16,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:16,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:16,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:16,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:16,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:16,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:16,724 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2022-02-09 18:16:16,907 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:16,907 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:16,907 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:16,908 INFO  L85        PathProgramCache]: Analyzing trace with hash 1361457, now seen corresponding path program 8 times
[2022-02-09 18:16:16,908 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:16,908 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374681919]
[2022-02-09 18:16:16,908 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:16,908 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:16,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:17,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:17,232 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:17,232 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374681919]
[2022-02-09 18:16:17,232 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374681919] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:17,232 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250864431]
[2022-02-09 18:16:17,232 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 18:16:17,232 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:17,232 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:17,233 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:17,239 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-09 18:16:17,275 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 18:16:17,275 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:17,276 INFO  L263         TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 34 conjunts are in the unsatisfiable core
[2022-02-09 18:16:17,279 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:18,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:18,024 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:18,376 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:18,376 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:18,683 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:18,683 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:16:18,689 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:18,689 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:18,796 INFO  L134       CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:18,797 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [250864431] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:18,797 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:18,797 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 47
[2022-02-09 18:16:18,797 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793862515]
[2022-02-09 18:16:18,797 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:18,797 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 48 states
[2022-02-09 18:16:18,798 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:18,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants.
[2022-02-09 18:16:18,799 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2107, Unknown=0, NotChecked=0, Total=2256
[2022-02-09 18:16:18,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:18,799 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:18,799 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 48 states, 48 states have (on average 3.5416666666666665) internal successors, (170), 47 states have internal predecessors, (170), 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)
[2022-02-09 18:16:18,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:18,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:18,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:18,804 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:18,804 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:18,804 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:18,804 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:18,804 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:22,194 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 18659 transitions and produced 7018 states.
[2022-02-09 18:16:22,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:22,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:22,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:22,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:22,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:22,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:22,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:22,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:22,213 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-09 18:16:22,396 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:22,396 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:22,396 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:22,397 INFO  L85        PathProgramCache]: Analyzing trace with hash -1453746580, now seen corresponding path program 9 times
[2022-02-09 18:16:22,397 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:22,397 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504260732]
[2022-02-09 18:16:22,397 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:22,397 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:22,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:22,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 123 backedges. 5 proven. 116 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:22,664 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:22,664 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504260732]
[2022-02-09 18:16:22,664 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504260732] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:22,664 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325849873]
[2022-02-09 18:16:22,664 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 18:16:22,664 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:22,664 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:22,665 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:22,667 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-09 18:16:22,699 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s)
[2022-02-09 18:16:22,699 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:22,700 INFO  L263         TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 33 conjunts are in the unsatisfiable core
[2022-02-09 18:16:22,701 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:22,990 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:16:23,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 123 backedges. 5 proven. 116 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:23,057 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:23,109 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:23,109 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:16:23,244 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:23,244 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:23,249 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:23,250 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:23,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 123 backedges. 5 proven. 116 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:23,368 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325849873] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:23,368 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:23,368 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 29
[2022-02-09 18:16:23,368 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401938399]
[2022-02-09 18:16:23,368 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:23,368 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2022-02-09 18:16:23,369 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:23,369 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2022-02-09 18:16:23,369 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870
[2022-02-09 18:16:23,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:23,369 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:23,369 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 3.7666666666666666) internal successors, (113), 29 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:23,370 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:25,414 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 47739 transitions and produced 17690 states.
[2022-02-09 18:16:25,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:25,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:25,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:25,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:25,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:25,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:25,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:25,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:25,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:25,432 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-09 18:16:25,615 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:25,616 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:25,616 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:25,617 INFO  L85        PathProgramCache]: Analyzing trace with hash -1286441454, now seen corresponding path program 10 times
[2022-02-09 18:16:25,617 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:25,617 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986464574]
[2022-02-09 18:16:25,617 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:25,617 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:25,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:26,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:26,097 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:26,097 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986464574]
[2022-02-09 18:16:26,097 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986464574] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:26,097 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416303309]
[2022-02-09 18:16:26,097 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:16:26,097 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:26,097 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:26,098 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:26,099 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-02-09 18:16:26,132 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:16:26,132 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:26,133 INFO  L263         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 42 conjunts are in the unsatisfiable core
[2022-02-09 18:16:26,134 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:27,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:27,244 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:27,996 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:27,996 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:28,590 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:28,590 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:16:28,596 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:28,597 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:16:28,796 INFO  L134       CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:28,797 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [416303309] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:28,797 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:28,797 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22, 22] total 56
[2022-02-09 18:16:28,797 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489646438]
[2022-02-09 18:16:28,797 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:28,797 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2022-02-09 18:16:28,797 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:28,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2022-02-09 18:16:28,798 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3005, Unknown=0, NotChecked=0, Total=3192
[2022-02-09 18:16:28,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:28,799 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:28,799 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 57 states have (on average 3.263157894736842) internal successors, (186), 56 states have internal predecessors, (186), 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)
[2022-02-09 18:16:28,799 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:28,800 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:29,839 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 300 transitions and produced 298 states.
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:29,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:29,860 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-02-09 18:16:30,041 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-02-09 18:16:30,041 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:30,041 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:30,042 INFO  L85        PathProgramCache]: Analyzing trace with hash -2032421650, now seen corresponding path program 11 times
[2022-02-09 18:16:30,042 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:30,042 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554760493]
[2022-02-09 18:16:30,042 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:30,042 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:30,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:30,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 156 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:30,466 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:30,466 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554760493]
[2022-02-09 18:16:30,466 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554760493] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:30,466 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525543928]
[2022-02-09 18:16:30,466 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:16:30,466 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:30,467 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:30,467 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:30,468 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-02-09 18:16:30,505 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s)
[2022-02-09 18:16:30,505 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:30,506 INFO  L263         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 40 conjunts are in the unsatisfiable core
[2022-02-09 18:16:30,508 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:31,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 156 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:31,357 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:31,849 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:31,849 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:32,185 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:32,185 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:16:32,190 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:32,190 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:32,299 INFO  L134       CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:32,300 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525543928] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:32,300 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:32,300 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55
[2022-02-09 18:16:32,300 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187619591]
[2022-02-09 18:16:32,300 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:32,300 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 56 states
[2022-02-09 18:16:32,301 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:32,301 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants.
[2022-02-09 18:16:32,302 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2909, Unknown=0, NotChecked=0, Total=3080
[2022-02-09 18:16:32,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:32,302 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:32,302 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 56 states, 56 states have (on average 3.4642857142857144) internal successors, (194), 55 states have internal predecessors, (194), 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)
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:32,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:32,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:32,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:37,090 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 22982 transitions and produced 8619 states.
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:37,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:37,108 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2022-02-09 18:16:37,292 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:37,293 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:37,293 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:37,293 INFO  L85        PathProgramCache]: Analyzing trace with hash 1261760945, now seen corresponding path program 12 times
[2022-02-09 18:16:37,293 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:37,293 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730028660]
[2022-02-09 18:16:37,293 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:37,293 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:37,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:37,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 174 backedges. 6 proven. 166 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:37,603 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:37,603 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730028660]
[2022-02-09 18:16:37,603 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730028660] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:37,603 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195617672]
[2022-02-09 18:16:37,603 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:16:37,603 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:37,603 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:37,604 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:37,605 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-02-09 18:16:37,640 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s)
[2022-02-09 18:16:37,641 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:37,642 INFO  L263         TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 41 conjunts are in the unsatisfiable core
[2022-02-09 18:16:37,643 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:38,037 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:16:38,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 174 backedges. 6 proven. 166 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:38,098 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:38,150 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:38,150 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:16:38,307 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:38,307 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:38,311 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:38,311 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:38,449 INFO  L134       CoverageAnalysis]: Checked inductivity of 174 backedges. 6 proven. 166 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:38,449 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [195617672] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:38,449 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:38,450 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 19] total 35
[2022-02-09 18:16:38,450 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770304664]
[2022-02-09 18:16:38,450 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:38,450 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 36 states
[2022-02-09 18:16:38,450 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:38,451 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants.
[2022-02-09 18:16:38,451 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1169, Unknown=0, NotChecked=0, Total=1260
[2022-02-09 18:16:38,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:38,451 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:38,451 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 36 states, 36 states have (on average 3.611111111111111) internal successors, (130), 35 states have internal predecessors, (130), 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)
[2022-02-09 18:16:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:38,452 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:41,401 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 61023 transitions and produced 22289 states.
[2022-02-09 18:16:41,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:41,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:41,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:41,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:41,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:41,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:41,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:41,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:41,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:41,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:41,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:41,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:16:41,422 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-02-09 18:16:41,605 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-02-09 18:16:41,605 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:41,606 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:41,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 689215661, now seen corresponding path program 13 times
[2022-02-09 18:16:41,606 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:41,606 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663698136]
[2022-02-09 18:16:41,606 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:41,606 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:41,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:42,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 192 backedges. 3 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:42,175 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:42,175 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663698136]
[2022-02-09 18:16:42,176 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663698136] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:42,176 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647303607]
[2022-02-09 18:16:42,176 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 18:16:42,176 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:42,176 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:42,177 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:42,178 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-02-09 18:16:42,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:42,218 INFO  L263         TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 48 conjunts are in the unsatisfiable core
[2022-02-09 18:16:42,219 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:43,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 192 backedges. 3 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:43,580 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:44,421 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:44,422 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:45,105 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:45,106 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:16:45,113 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:45,113 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:16:45,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:16:45,391 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647303607] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:45,391 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:45,391 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 25] total 64
[2022-02-09 18:16:45,391 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841698990]
[2022-02-09 18:16:45,392 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:45,392 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 65 states
[2022-02-09 18:16:45,392 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:45,392 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants.
[2022-02-09 18:16:45,393 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=3951, Unknown=0, NotChecked=0, Total=4160
[2022-02-09 18:16:45,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:45,393 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:45,394 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 65 states, 65 states have (on average 3.230769230769231) internal successors, (210), 64 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:16:45,394 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:46,866 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 339 transitions and produced 337 states.
[2022-02-09 18:16:46,866 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:16:46,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:16:46,885 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2022-02-09 18:16:47,083 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2022-02-09 18:16:47,084 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:47,084 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:47,084 INFO  L85        PathProgramCache]: Analyzing trace with hash -131182255, now seen corresponding path program 14 times
[2022-02-09 18:16:47,084 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:47,084 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804051922]
[2022-02-09 18:16:47,084 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:47,084 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:47,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:47,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 213 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:47,535 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:47,535 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804051922]
[2022-02-09 18:16:47,536 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804051922] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:47,536 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113844872]
[2022-02-09 18:16:47,536 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 18:16:47,536 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:47,536 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:47,537 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:47,538 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-02-09 18:16:47,573 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 18:16:47,573 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:47,575 INFO  L263         TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 46 conjunts are in the unsatisfiable core
[2022-02-09 18:16:47,576 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:48,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 213 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:48,566 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:49,118 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:49,119 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:16:49,557 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:49,557 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:16:49,562 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:49,563 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:49,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:16:49,752 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [113844872] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:49,753 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:49,753 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 63
[2022-02-09 18:16:49,753 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275232712]
[2022-02-09 18:16:49,753 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:49,753 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 64 states
[2022-02-09 18:16:49,753 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:49,754 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants.
[2022-02-09 18:16:49,755 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=3839, Unknown=0, NotChecked=0, Total=4032
[2022-02-09 18:16:49,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:49,755 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:49,755 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 64 states, 64 states have (on average 3.40625) internal successors, (218), 63 states have internal predecessors, (218), 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)
[2022-02-09 18:16:49,755 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:49,755 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:49,755 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:49,755 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:49,755 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:49,755 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:49,755 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:49,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:49,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:49,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:49,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:49,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:16:49,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:16:49,756 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:56,316 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 27305 transitions and produced 10220 states.
[2022-02-09 18:16:56,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:56,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:56,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:56,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:56,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:16:56,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:16:56,335 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2022-02-09 18:16:56,517 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2022-02-09 18:16:56,518 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:16:56,518 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:16:56,518 INFO  L85        PathProgramCache]: Analyzing trace with hash 1243991052, now seen corresponding path program 15 times
[2022-02-09 18:16:56,518 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:16:56,518 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288187974]
[2022-02-09 18:16:56,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:16:56,518 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:16:56,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:16:56,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 234 backedges. 7 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:56,895 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:16:56,895 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288187974]
[2022-02-09 18:16:56,895 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288187974] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:16:56,895 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489694900]
[2022-02-09 18:16:56,895 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 18:16:56,895 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:16:56,895 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:16:56,896 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:16:56,897 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2022-02-09 18:16:56,963 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s)
[2022-02-09 18:16:56,963 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:16:56,965 INFO  L263         TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 45 conjunts are in the unsatisfiable core
[2022-02-09 18:16:56,966 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:16:57,423 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:16:57,489 INFO  L134       CoverageAnalysis]: Checked inductivity of 234 backedges. 7 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:57,490 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:16:57,542 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:57,543 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:16:57,699 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:57,699 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:57,703 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:16:57,704 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:16:57,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 234 backedges. 7 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:16:57,849 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489694900] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:16:57,849 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:16:57,849 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 39
[2022-02-09 18:16:57,849 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323930840]
[2022-02-09 18:16:57,849 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:16:57,849 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2022-02-09 18:16:57,849 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:16:57,850 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2022-02-09 18:16:57,850 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1462, Unknown=0, NotChecked=0, Total=1560
[2022-02-09 18:16:57,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:16:57,850 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:16:57,851 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 40 states, 40 states have (on average 3.575) internal successors, (143), 39 states have internal predecessors, (143), 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)
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:16:57,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:02,198 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 74307 transitions and produced 26888 states.
[2022-02-09 18:17:02,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:02,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:02,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:02,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:02,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:02,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:02,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:02,216 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2022-02-09 18:17:02,415 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2022-02-09 18:17:02,416 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:17:02,416 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:17:02,416 INFO  L85        PathProgramCache]: Analyzing trace with hash -412689294, now seen corresponding path program 16 times
[2022-02-09 18:17:02,416 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:17:02,416 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398396642]
[2022-02-09 18:17:02,416 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:17:02,416 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:17:02,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:17:03,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 255 backedges. 3 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:17:03,175 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:17:03,175 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398396642]
[2022-02-09 18:17:03,176 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398396642] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:17:03,176 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516469759]
[2022-02-09 18:17:03,176 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:17:03,176 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:03,176 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:17:03,177 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:17:03,177 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2022-02-09 18:17:03,213 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:17:03,213 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:17:03,214 INFO  L263         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 54 conjunts are in the unsatisfiable core
[2022-02-09 18:17:03,216 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:17:04,836 INFO  L134       CoverageAnalysis]: Checked inductivity of 255 backedges. 3 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:17:04,836 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:17:05,858 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:05,859 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:17:06,593 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:06,594 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:17:06,599 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:06,599 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:17:06,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:17:06,848 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [516469759] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:17:06,848 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:17:06,848 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28, 28] total 72
[2022-02-09 18:17:06,849 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962995894]
[2022-02-09 18:17:06,849 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:17:06,849 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 73 states
[2022-02-09 18:17:06,849 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:17:06,849 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants.
[2022-02-09 18:17:06,851 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=5025, Unknown=0, NotChecked=0, Total=5256
[2022-02-09 18:17:06,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:06,851 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:17:06,851 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 73 states, 73 states have (on average 3.2054794520547945) internal successors, (234), 72 states have internal predecessors, (234), 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)
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:06,851 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:06,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:06,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:06,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:06,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:06,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:06,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:06,852 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:08,536 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 378 transitions and produced 376 states.
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:08,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:08,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:08,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:08,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:08,554 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2022-02-09 18:17:08,737 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:08,738 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:17:08,738 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:17:08,738 INFO  L85        PathProgramCache]: Analyzing trace with hash 1288215630, now seen corresponding path program 17 times
[2022-02-09 18:17:08,738 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:17:08,738 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075275005]
[2022-02-09 18:17:08,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:17:08,738 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:17:08,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:17:09,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 279 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:17:09,255 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:17:09,255 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075275005]
[2022-02-09 18:17:09,255 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075275005] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:17:09,255 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186322627]
[2022-02-09 18:17:09,255 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:17:09,255 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:09,255 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:17:09,256 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:17:09,257 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2022-02-09 18:17:09,298 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s)
[2022-02-09 18:17:09,298 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:17:09,299 INFO  L263         TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 52 conjunts are in the unsatisfiable core
[2022-02-09 18:17:09,301 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:17:10,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 279 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:17:10,484 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:17:11,082 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:11,082 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:17:11,592 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:11,592 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:17:11,597 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:11,598 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:17:11,808 INFO  L134       CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:17:11,808 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186322627] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:17:11,808 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:17:11,808 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 71
[2022-02-09 18:17:11,809 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370073127]
[2022-02-09 18:17:11,809 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:17:11,809 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 72 states
[2022-02-09 18:17:11,809 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:17:11,809 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants.
[2022-02-09 18:17:11,811 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=4897, Unknown=0, NotChecked=0, Total=5112
[2022-02-09 18:17:11,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:11,811 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:17:11,811 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 72 states, 72 states have (on average 3.361111111111111) internal successors, (242), 71 states have internal predecessors, (242), 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)
[2022-02-09 18:17:11,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:11,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:11,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:11,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:11,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:20,299 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 31628 transitions and produced 11821 states.
[2022-02-09 18:17:20,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:20,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:20,319 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2022-02-09 18:17:20,509 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-02-09 18:17:20,509 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:17:20,510 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:17:20,510 INFO  L85        PathProgramCache]: Analyzing trace with hash -356646511, now seen corresponding path program 18 times
[2022-02-09 18:17:20,510 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:17:20,510 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847134299]
[2022-02-09 18:17:20,510 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:17:20,510 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:17:20,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:17:21,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 303 backedges. 8 proven. 293 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:17:21,014 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:17:21,014 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847134299]
[2022-02-09 18:17:21,014 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847134299] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:17:21,014 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436566983]
[2022-02-09 18:17:21,014 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:17:21,014 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:21,014 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:17:21,016 INFO  L229       MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:17:21,016 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2022-02-09 18:17:21,060 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s)
[2022-02-09 18:17:21,060 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:17:21,062 INFO  L263         TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 51 conjunts are in the unsatisfiable core
[2022-02-09 18:17:21,063 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:17:21,613 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:17:21,686 INFO  L134       CoverageAnalysis]: Checked inductivity of 303 backedges. 8 proven. 293 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:17:21,686 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:17:21,745 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:21,746 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:17:21,996 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:21,996 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:17:22,000 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:22,001 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:17:22,206 INFO  L134       CoverageAnalysis]: Checked inductivity of 303 backedges. 8 proven. 293 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:17:22,206 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [436566983] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:17:22,206 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:17:22,206 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 25] total 44
[2022-02-09 18:17:22,206 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977974403]
[2022-02-09 18:17:22,207 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:17:22,207 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 45 states
[2022-02-09 18:17:22,207 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:17:22,207 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants.
[2022-02-09 18:17:22,208 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1870, Unknown=0, NotChecked=0, Total=1980
[2022-02-09 18:17:22,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:22,208 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:17:22,208 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 45 states, 45 states have (on average 3.511111111111111) internal successors, (158), 44 states have internal predecessors, (158), 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)
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:22,208 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:22,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:22,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:22,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:22,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:22,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:22,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:22,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:27,993 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 87591 transitions and produced 31487 states.
[2022-02-09 18:17:27,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:27,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:27,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:27,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:27,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:27,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:27,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:27,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:17:28,012 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0
[2022-02-09 18:17:28,203 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2022-02-09 18:17:28,203 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:17:28,204 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:17:28,204 INFO  L85        PathProgramCache]: Analyzing trace with hash 2015558861, now seen corresponding path program 19 times
[2022-02-09 18:17:28,204 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:17:28,204 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028631564]
[2022-02-09 18:17:28,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:17:28,204 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:17:28,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:17:28,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 327 backedges. 3 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:17:28,942 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:17:28,943 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028631564]
[2022-02-09 18:17:28,943 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028631564] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:17:28,943 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303411658]
[2022-02-09 18:17:28,943 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 18:17:28,943 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:28,943 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:17:28,944 INFO  L229       MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:17:28,945 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2022-02-09 18:17:28,984 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:17:28,985 INFO  L263         TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 60 conjunts are in the unsatisfiable core
[2022-02-09 18:17:28,987 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:17:30,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 327 backedges. 3 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:17:30,821 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:17:32,016 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:32,017 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:17:32,906 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:32,907 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:17:32,911 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:32,911 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:17:33,220 INFO  L134       CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:17:33,220 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303411658] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:17:33,220 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:17:33,220 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 31, 31] total 80
[2022-02-09 18:17:33,220 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418728761]
[2022-02-09 18:17:33,220 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:17:33,221 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 81 states
[2022-02-09 18:17:33,221 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:17:33,221 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants.
[2022-02-09 18:17:33,222 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=6227, Unknown=0, NotChecked=0, Total=6480
[2022-02-09 18:17:33,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:33,222 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:17:33,222 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 81 states, 81 states have (on average 3.185185185185185) internal successors, (258), 80 states have internal predecessors, (258), 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)
[2022-02-09 18:17:33,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:17:33,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:35,280 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 417 transitions and produced 415 states.
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:35,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:17:35,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:17:35,299 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2022-02-09 18:17:35,481 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:35,482 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:17:35,482 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:17:35,482 INFO  L85        PathProgramCache]: Analyzing trace with hash 1248154737, now seen corresponding path program 20 times
[2022-02-09 18:17:35,482 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:17:35,482 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871115209]
[2022-02-09 18:17:35,482 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:17:35,483 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:17:35,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:17:36,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 354 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:17:36,130 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:17:36,130 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871115209]
[2022-02-09 18:17:36,130 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871115209] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:17:36,130 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783267712]
[2022-02-09 18:17:36,130 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 18:17:36,130 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:36,130 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:17:36,131 INFO  L229       MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:17:36,132 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2022-02-09 18:17:36,171 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 18:17:36,171 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:17:36,172 INFO  L263         TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 58 conjunts are in the unsatisfiable core
[2022-02-09 18:17:36,174 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:17:37,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 354 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:17:37,612 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:17:38,324 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:38,325 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:17:38,959 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:38,959 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:17:38,964 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:38,964 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:17:39,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 353 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:17:39,127 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783267712] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:17:39,127 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:17:39,127 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 79
[2022-02-09 18:17:39,127 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331837299]
[2022-02-09 18:17:39,127 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:17:39,128 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 80 states
[2022-02-09 18:17:39,128 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:17:39,128 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants.
[2022-02-09 18:17:39,130 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=6083, Unknown=0, NotChecked=0, Total=6320
[2022-02-09 18:17:39,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:39,130 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:17:39,130 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 80 states, 80 states have (on average 3.325) internal successors, (266), 79 states have internal predecessors, (266), 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)
[2022-02-09 18:17:39,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:39,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:39,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:39,130 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:17:39,131 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:49,627 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 35951 transitions and produced 13422 states.
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:49,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:17:49,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:17:49,650 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2022-02-09 18:17:49,830 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:49,830 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:17:49,831 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:17:49,831 INFO  L85        PathProgramCache]: Analyzing trace with hash -833685076, now seen corresponding path program 21 times
[2022-02-09 18:17:49,831 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:17:49,831 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145797604]
[2022-02-09 18:17:49,831 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:17:49,831 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:17:49,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:17:50,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 381 backedges. 9 proven. 370 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:17:50,397 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:17:50,397 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145797604]
[2022-02-09 18:17:50,397 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145797604] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:17:50,397 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680694671]
[2022-02-09 18:17:50,397 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 18:17:50,397 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:50,398 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:17:50,399 INFO  L229       MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:17:50,401 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2022-02-09 18:17:50,453 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2022-02-09 18:17:50,454 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:17:50,455 INFO  L263         TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 57 conjunts are in the unsatisfiable core
[2022-02-09 18:17:50,457 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:17:51,118 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:17:51,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 381 backedges. 9 proven. 370 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:17:51,199 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:17:51,261 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:51,262 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:17:51,588 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:51,588 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:17:51,592 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:17:51,592 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:17:51,780 INFO  L134       CoverageAnalysis]: Checked inductivity of 381 backedges. 9 proven. 370 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:17:51,780 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [680694671] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:17:51,780 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:17:51,780 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 49
[2022-02-09 18:17:51,780 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595231517]
[2022-02-09 18:17:51,780 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:17:51,781 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2022-02-09 18:17:51,781 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:17:51,781 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2022-02-09 18:17:51,782 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=2328, Unknown=0, NotChecked=0, Total=2450
[2022-02-09 18:17:51,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:51,782 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:17:51,782 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 50 states, 50 states have (on average 3.46) internal successors, (173), 49 states have internal predecessors, (173), 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)
[2022-02-09 18:17:51,782 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:51,782 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:51,782 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:51,782 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:51,782 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:51,782 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:51,782 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:17:51,783 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:17:59,648 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 100875 transitions and produced 36086 states.
[2022-02-09 18:17:59,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:59,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:17:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:17:59,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:17:59,668 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0
[2022-02-09 18:17:59,859 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:17:59,860 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:17:59,860 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:17:59,860 INFO  L85        PathProgramCache]: Analyzing trace with hash -1688515886, now seen corresponding path program 22 times
[2022-02-09 18:17:59,860 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:17:59,860 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287647853]
[2022-02-09 18:17:59,860 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:17:59,860 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:17:59,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:18:00,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 408 backedges. 3 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:18:00,797 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:18:00,797 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287647853]
[2022-02-09 18:18:00,797 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287647853] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:18:00,797 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499355674]
[2022-02-09 18:18:00,797 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:18:00,798 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:18:00,798 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:18:00,799 INFO  L229       MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:18:00,800 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2022-02-09 18:18:00,844 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:18:00,844 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:18:00,845 INFO  L263         TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 66 conjunts are in the unsatisfiable core
[2022-02-09 18:18:00,847 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:18:02,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 408 backedges. 3 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:18:02,987 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:18:04,400 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:04,401 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:18:05,403 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:05,404 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:18:05,408 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:05,408 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:18:05,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:18:05,740 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499355674] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:18:05,740 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:18:05,740 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 34] total 88
[2022-02-09 18:18:05,740 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694972843]
[2022-02-09 18:18:05,740 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:18:05,741 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 89 states
[2022-02-09 18:18:05,741 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:18:05,741 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants.
[2022-02-09 18:18:05,743 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=7557, Unknown=0, NotChecked=0, Total=7832
[2022-02-09 18:18:05,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:05,743 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:18:05,743 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 89 states, 89 states have (on average 3.168539325842697) internal successors, (282), 88 states have internal predecessors, (282), 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)
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:05,743 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:05,744 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:08,172 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 456 transitions and produced 454 states.
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:08,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:08,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:08,194 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0
[2022-02-09 18:18:08,374 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2022-02-09 18:18:08,374 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:18:08,374 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:18:08,374 INFO  L85        PathProgramCache]: Analyzing trace with hash -1479062610, now seen corresponding path program 23 times
[2022-02-09 18:18:08,374 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:18:08,374 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63820214]
[2022-02-09 18:18:08,374 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:18:08,375 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:18:08,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:18:09,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 438 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:18:09,224 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:18:09,224 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63820214]
[2022-02-09 18:18:09,224 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63820214] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:18:09,224 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433713352]
[2022-02-09 18:18:09,225 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:18:09,225 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:18:09,225 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:18:09,226 INFO  L229       MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:18:09,228 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2022-02-09 18:18:09,279 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s)
[2022-02-09 18:18:09,280 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:18:09,281 INFO  L263         TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 64 conjunts are in the unsatisfiable core
[2022-02-09 18:18:09,283 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:18:11,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 438 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:18:11,001 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:18:11,879 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:11,879 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:18:12,580 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:12,580 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:18:12,585 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:12,585 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:18:12,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 437 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:18:12,823 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433713352] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:18:12,823 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:18:12,823 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 87
[2022-02-09 18:18:12,823 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910134953]
[2022-02-09 18:18:12,823 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:18:12,824 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 88 states
[2022-02-09 18:18:12,824 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:18:12,824 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants.
[2022-02-09 18:18:12,825 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=7397, Unknown=0, NotChecked=0, Total=7656
[2022-02-09 18:18:12,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:12,825 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:18:12,825 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 88 states, 88 states have (on average 3.2954545454545454) internal successors, (290), 87 states have internal predecessors, (290), 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)
[2022-02-09 18:18:12,825 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:12,825 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:12,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:12,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:12,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:26,593 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 40274 transitions and produced 15023 states.
[2022-02-09 18:18:26,593 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:26,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:26,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:18:26,613 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2022-02-09 18:18:26,795 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2022-02-09 18:18:26,795 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:18:26,796 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:18:26,796 INFO  L85        PathProgramCache]: Analyzing trace with hash 875354481, now seen corresponding path program 24 times
[2022-02-09 18:18:26,796 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:18:26,796 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061362845]
[2022-02-09 18:18:26,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:18:26,796 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:18:26,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:18:27,438 INFO  L134       CoverageAnalysis]: Checked inductivity of 468 backedges. 10 proven. 456 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:18:27,438 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:18:27,438 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061362845]
[2022-02-09 18:18:27,438 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061362845] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:18:27,438 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294869642]
[2022-02-09 18:18:27,438 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:18:27,438 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:18:27,439 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:18:27,440 INFO  L229       MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:18:27,441 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2022-02-09 18:18:27,492 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s)
[2022-02-09 18:18:27,492 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:18:27,494 INFO  L263         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 63 conjunts are in the unsatisfiable core
[2022-02-09 18:18:27,495 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:18:28,265 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:18:28,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 468 backedges. 10 proven. 456 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:18:28,353 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:18:28,426 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:28,426 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:18:28,766 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:28,766 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:18:28,771 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:28,771 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:18:29,047 INFO  L134       CoverageAnalysis]: Checked inductivity of 468 backedges. 10 proven. 456 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:18:29,048 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [294869642] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:18:29,048 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:18:29,048 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 31, 31] total 54
[2022-02-09 18:18:29,048 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365649115]
[2022-02-09 18:18:29,048 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:18:29,048 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2022-02-09 18:18:29,048 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:18:29,049 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2022-02-09 18:18:29,049 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2836, Unknown=0, NotChecked=0, Total=2970
[2022-02-09 18:18:29,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:29,049 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:18:29,049 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 55 states have (on average 3.418181818181818) internal successors, (188), 54 states have internal predecessors, (188), 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)
[2022-02-09 18:18:29,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:29,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:29,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:29,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:29,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:29,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:18:29,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:38,179 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 114159 transitions and produced 40685 states.
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:38,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:18:38,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:18:38,203 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0
[2022-02-09 18:18:38,381 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:18:38,381 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:18:38,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:18:38,381 INFO  L85        PathProgramCache]: Analyzing trace with hash -233400083, now seen corresponding path program 25 times
[2022-02-09 18:18:38,382 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:18:38,382 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677251520]
[2022-02-09 18:18:38,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:18:38,382 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:18:38,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:18:39,371 INFO  L134       CoverageAnalysis]: Checked inductivity of 498 backedges. 3 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:18:39,372 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:18:39,372 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677251520]
[2022-02-09 18:18:39,372 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677251520] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:18:39,372 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782299410]
[2022-02-09 18:18:39,372 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 18:18:39,372 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:18:39,372 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:18:39,373 INFO  L229       MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:18:39,374 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2022-02-09 18:18:39,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:18:39,417 INFO  L263         TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 72 conjunts are in the unsatisfiable core
[2022-02-09 18:18:39,418 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:18:41,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 498 backedges. 3 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:18:41,758 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:18:43,223 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:43,223 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:18:44,544 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:44,544 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:18:44,550 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:44,550 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:18:44,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:18:44,997 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [782299410] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:18:44,997 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:18:44,997 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 37, 37] total 96
[2022-02-09 18:18:44,997 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583378064]
[2022-02-09 18:18:44,997 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:18:44,998 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 97 states
[2022-02-09 18:18:44,998 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:18:44,998 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants.
[2022-02-09 18:18:44,999 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=9015, Unknown=0, NotChecked=0, Total=9312
[2022-02-09 18:18:44,999 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:44,999 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:18:44,999 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 97 states, 97 states have (on average 3.154639175257732) internal successors, (306), 96 states have internal predecessors, (306), 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)
[2022-02-09 18:18:44,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:44,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:44,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:44,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:44,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:44,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:44,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:18:45,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:47,591 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 495 transitions and produced 493 states.
[2022-02-09 18:18:47,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:47,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:47,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:47,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:47,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:18:47,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:18:47,593 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:18:47,610 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0
[2022-02-09 18:18:47,793 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:18:47,793 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:18:47,794 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:18:47,794 INFO  L85        PathProgramCache]: Analyzing trace with hash 540528529, now seen corresponding path program 26 times
[2022-02-09 18:18:47,794 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:18:47,794 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934895054]
[2022-02-09 18:18:47,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:18:47,794 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:18:47,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:18:48,592 INFO  L134       CoverageAnalysis]: Checked inductivity of 531 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:18:48,592 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:18:48,592 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934895054]
[2022-02-09 18:18:48,592 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934895054] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:18:48,592 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668953815]
[2022-02-09 18:18:48,592 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 18:18:48,592 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:18:48,592 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:18:48,593 INFO  L229       MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:18:48,597 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2022-02-09 18:18:48,639 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 18:18:48,639 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:18:48,641 INFO  L263         TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 70 conjunts are in the unsatisfiable core
[2022-02-09 18:18:48,642 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:18:50,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 531 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:18:50,650 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:18:51,599 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:51,600 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:18:52,451 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:52,451 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:18:52,456 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:18:52,456 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:18:52,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 530 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:18:52,782 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [668953815] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:18:52,782 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:18:52,782 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 95
[2022-02-09 18:18:52,782 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676167157]
[2022-02-09 18:18:52,783 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:18:52,783 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 96 states
[2022-02-09 18:18:52,783 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:18:52,783 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants.
[2022-02-09 18:18:52,784 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=8839, Unknown=0, NotChecked=0, Total=9120
[2022-02-09 18:18:52,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:18:52,784 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:18:52,784 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 96 states, 96 states have (on average 3.2708333333333335) internal successors, (314), 95 states have internal predecessors, (314), 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)
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:18:52,784 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:18:52,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:07,222 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 44597 transitions and produced 16624 states.
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:07,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:07,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:07,241 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0
[2022-02-09 18:19:07,424 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2022-02-09 18:19:07,425 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:19:07,425 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:19:07,425 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875058508, now seen corresponding path program 27 times
[2022-02-09 18:19:07,425 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:19:07,425 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575324565]
[2022-02-09 18:19:07,425 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:19:07,425 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:19:07,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:19:08,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 564 backedges. 11 proven. 551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:19:08,142 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:19:08,142 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575324565]
[2022-02-09 18:19:08,142 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575324565] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:19:08,143 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977376225]
[2022-02-09 18:19:08,143 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 18:19:08,143 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:19:08,143 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:19:08,144 INFO  L229       MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:19:08,144 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process
[2022-02-09 18:19:08,205 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s)
[2022-02-09 18:19:08,206 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:19:08,208 INFO  L263         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 69 conjunts are in the unsatisfiable core
[2022-02-09 18:19:08,209 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:19:09,113 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:19:09,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 564 backedges. 11 proven. 551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:19:09,210 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:19:09,280 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:09,281 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:19:09,639 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:09,639 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:19:09,643 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:09,643 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:19:09,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 564 backedges. 11 proven. 551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:19:09,962 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977376225] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:19:09,962 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:19:09,962 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 34] total 59
[2022-02-09 18:19:09,962 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909473511]
[2022-02-09 18:19:09,962 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:19:09,962 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 60 states
[2022-02-09 18:19:09,962 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:19:09,963 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants.
[2022-02-09 18:19:09,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=3394, Unknown=0, NotChecked=0, Total=3540
[2022-02-09 18:19:09,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:09,963 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:19:09,963 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 60 states, 60 states have (on average 3.3833333333333333) internal successors, (203), 59 states have internal predecessors, (203), 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)
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:09,963 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:09,964 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:20,563 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 127443 transitions and produced 45284 states.
[2022-02-09 18:19:20,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:20,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:20,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:20,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:20,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:20,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:20,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:20,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:20,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:20,581 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0
[2022-02-09 18:19:20,765 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2022-02-09 18:19:20,765 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:19:20,765 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:19:20,766 INFO  L85        PathProgramCache]: Analyzing trace with hash 646037810, now seen corresponding path program 28 times
[2022-02-09 18:19:20,766 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:19:20,766 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767391932]
[2022-02-09 18:19:20,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:19:20,766 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:19:20,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:19:21,941 INFO  L134       CoverageAnalysis]: Checked inductivity of 597 backedges. 3 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:19:21,941 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:19:21,941 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767391932]
[2022-02-09 18:19:21,942 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767391932] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:19:21,942 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791290778]
[2022-02-09 18:19:21,942 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:19:21,942 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:19:21,942 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:19:21,943 INFO  L229       MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:19:21,943 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process
[2022-02-09 18:19:21,986 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:19:21,986 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:19:21,988 INFO  L263         TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 78 conjunts are in the unsatisfiable core
[2022-02-09 18:19:21,989 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:19:24,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 597 backedges. 3 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:19:24,709 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:19:26,437 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:26,437 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:19:27,767 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:27,767 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:19:27,772 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:27,772 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:19:28,235 INFO  L134       CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 597 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:19:28,235 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791290778] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:19:28,235 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:19:28,235 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 40, 40] total 104
[2022-02-09 18:19:28,236 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725240527]
[2022-02-09 18:19:28,236 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:19:28,236 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 105 states
[2022-02-09 18:19:28,236 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:19:28,236 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants.
[2022-02-09 18:19:28,237 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=10601, Unknown=0, NotChecked=0, Total=10920
[2022-02-09 18:19:28,237 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:28,238 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:19:28,238 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 105 states, 105 states have (on average 3.142857142857143) internal successors, (330), 104 states have internal predecessors, (330), 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)
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:28,238 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:28,239 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:31,731 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 534 transitions and produced 532 states.
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:31,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:31,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:19:31,752 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0
[2022-02-09 18:19:31,934 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2022-02-09 18:19:31,934 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:19:31,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:19:31,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 1248445198, now seen corresponding path program 29 times
[2022-02-09 18:19:31,935 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:19:31,935 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015602227]
[2022-02-09 18:19:31,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:19:31,935 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:19:31,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:19:32,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 633 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:19:32,873 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:19:32,873 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015602227]
[2022-02-09 18:19:32,873 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015602227] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:19:32,873 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52125071]
[2022-02-09 18:19:32,873 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:19:32,873 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:19:32,873 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:19:32,875 INFO  L229       MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:19:32,875 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process
[2022-02-09 18:19:32,932 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s)
[2022-02-09 18:19:32,932 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:19:32,934 INFO  L263         TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 76 conjunts are in the unsatisfiable core
[2022-02-09 18:19:32,936 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:19:35,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 633 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:19:35,033 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:19:36,136 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:36,136 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:19:37,075 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:37,076 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:19:37,081 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:37,081 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:19:37,510 INFO  L134       CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 632 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:19:37,511 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [52125071] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:19:37,511 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:19:37,511 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 103
[2022-02-09 18:19:37,511 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621905394]
[2022-02-09 18:19:37,511 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:19:37,511 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 104 states
[2022-02-09 18:19:37,511 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:19:37,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants.
[2022-02-09 18:19:37,513 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=10409, Unknown=0, NotChecked=0, Total=10712
[2022-02-09 18:19:37,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:37,513 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:19:37,513 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 104 states, 104 states have (on average 3.25) internal successors, (338), 103 states have internal predecessors, (338), 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)
[2022-02-09 18:19:37,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:37,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:37,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:37,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:37,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:37,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:37,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:19:37,514 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:55,467 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 48920 transitions and produced 18225 states.
[2022-02-09 18:19:55,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:55,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:55,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:55,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:19:55,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:19:55,486 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0
[2022-02-09 18:19:55,669 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2022-02-09 18:19:55,669 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:19:55,670 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:19:55,670 INFO  L85        PathProgramCache]: Analyzing trace with hash -2043446959, now seen corresponding path program 30 times
[2022-02-09 18:19:55,670 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:19:55,670 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107903383]
[2022-02-09 18:19:55,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:19:55,670 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:19:55,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:19:56,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 669 backedges. 12 proven. 655 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:19:56,495 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:19:56,495 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107903383]
[2022-02-09 18:19:56,495 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107903383] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:19:56,495 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033425093]
[2022-02-09 18:19:56,495 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:19:56,495 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:19:56,495 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:19:56,496 INFO  L229       MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:19:56,497 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process
[2022-02-09 18:19:56,555 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s)
[2022-02-09 18:19:56,556 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:19:56,558 INFO  L263         TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 75 conjunts are in the unsatisfiable core
[2022-02-09 18:19:56,560 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:19:57,668 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:19:57,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 669 backedges. 12 proven. 655 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:19:57,773 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:19:57,847 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:57,847 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:19:58,311 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:58,311 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:19:58,315 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:19:58,315 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:19:58,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 669 backedges. 12 proven. 655 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:19:58,637 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033425093] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:19:58,637 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:19:58,637 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37, 37] total 64
[2022-02-09 18:19:58,637 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809558699]
[2022-02-09 18:19:58,637 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:19:58,638 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 65 states
[2022-02-09 18:19:58,638 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:19:58,638 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants.
[2022-02-09 18:19:58,638 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=4002, Unknown=0, NotChecked=0, Total=4160
[2022-02-09 18:19:58,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:19:58,638 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:19:58,639 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 65 states, 65 states have (on average 3.353846153846154) internal successors, (218), 64 states have internal predecessors, (218), 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)
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:19:58,639 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:19:58,640 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:20:11,155 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 140727 transitions and produced 49883 states.
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:20:11,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:20:11,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:20:11,174 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0
[2022-02-09 18:20:11,357 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:20:11,357 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:20:11,358 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:20:11,358 INFO  L85        PathProgramCache]: Analyzing trace with hash 1660775693, now seen corresponding path program 31 times
[2022-02-09 18:20:11,358 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:20:11,358 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488075319]
[2022-02-09 18:20:11,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:20:11,358 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:20:11,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:20:12,689 INFO  L134       CoverageAnalysis]: Checked inductivity of 705 backedges. 3 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:20:12,690 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:20:12,690 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488075319]
[2022-02-09 18:20:12,690 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488075319] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:20:12,690 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688670974]
[2022-02-09 18:20:12,694 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 18:20:12,694 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:20:12,694 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:20:12,695 INFO  L229       MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:20:12,696 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process
[2022-02-09 18:20:12,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:20:12,750 INFO  L263         TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 84 conjunts are in the unsatisfiable core
[2022-02-09 18:20:12,752 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:20:15,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 705 backedges. 3 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:20:15,875 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:20:17,711 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:17,711 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:20:19,188 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:19,188 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:20:19,193 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:19,193 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:20:19,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:20:19,708 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [688670974] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:20:19,708 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:20:19,708 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43, 43] total 112
[2022-02-09 18:20:19,709 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112645796]
[2022-02-09 18:20:19,709 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:20:19,709 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 113 states
[2022-02-09 18:20:19,709 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:20:19,709 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants.
[2022-02-09 18:20:19,710 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=12315, Unknown=0, NotChecked=0, Total=12656
[2022-02-09 18:20:19,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:20:19,710 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:20:19,711 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 113 states, 113 states have (on average 3.1327433628318584) internal successors, (354), 112 states have internal predecessors, (354), 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)
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:20:19,711 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:20:19,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:20:23,233 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 573 transitions and produced 571 states.
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:20:23,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:20:23,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:20:23,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:20:23,255 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0
[2022-02-09 18:20:23,451 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:20:23,451 INFO  L402      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:20:23,452 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:20:23,452 INFO  L85        PathProgramCache]: Analyzing trace with hash 1554236081, now seen corresponding path program 32 times
[2022-02-09 18:20:23,452 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:20:23,452 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187773236]
[2022-02-09 18:20:23,452 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:20:23,452 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:20:23,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:20:24,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 744 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:20:24,481 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:20:24,481 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187773236]
[2022-02-09 18:20:24,481 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187773236] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:20:24,481 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668623347]
[2022-02-09 18:20:24,481 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 18:20:24,481 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:20:24,481 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:20:24,484 INFO  L229       MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:20:24,485 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process
[2022-02-09 18:20:24,530 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 18:20:24,530 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:20:24,531 INFO  L263         TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 82 conjunts are in the unsatisfiable core
[2022-02-09 18:20:24,533 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:20:26,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 744 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:20:26,933 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:20:28,117 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:28,117 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:20:29,195 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:29,195 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:20:29,200 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:29,200 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:20:29,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 743 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:20:29,647 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [668623347] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:20:29,647 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:20:29,647 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 111
[2022-02-09 18:20:29,647 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725170446]
[2022-02-09 18:20:29,647 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:20:29,648 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 112 states
[2022-02-09 18:20:29,648 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:20:29,648 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants.
[2022-02-09 18:20:29,649 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=12107, Unknown=0, NotChecked=0, Total=12432
[2022-02-09 18:20:29,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:20:29,649 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:20:29,650 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 112 states, 112 states have (on average 3.232142857142857) internal successors, (362), 111 states have internal predecessors, (362), 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)
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:20:29,650 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:20:29,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:20:50,349 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 53243 transitions and produced 19826 states.
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:20:50,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:20:50,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:20:50,368 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0
[2022-02-09 18:20:50,551 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31
[2022-02-09 18:20:50,552 INFO  L402      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:20:50,552 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:20:50,552 INFO  L85        PathProgramCache]: Analyzing trace with hash 1844460780, now seen corresponding path program 33 times
[2022-02-09 18:20:50,552 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:20:50,552 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463562119]
[2022-02-09 18:20:50,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:20:50,552 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:20:50,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:20:51,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 783 backedges. 13 proven. 768 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:20:51,500 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:20:51,500 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463562119]
[2022-02-09 18:20:51,500 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463562119] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:20:51,500 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661632486]
[2022-02-09 18:20:51,500 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 18:20:51,500 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:20:51,500 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:20:51,501 INFO  L229       MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:20:51,502 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process
[2022-02-09 18:20:51,566 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s)
[2022-02-09 18:20:51,566 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:20:51,568 INFO  L263         TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 81 conjunts are in the unsatisfiable core
[2022-02-09 18:20:51,570 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:20:52,819 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:20:52,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 783 backedges. 13 proven. 768 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:20:52,938 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:20:53,016 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:53,016 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:20:53,547 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:53,548 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:20:53,551 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:20:53,552 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:20:53,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 783 backedges. 13 proven. 768 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:20:53,938 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [661632486] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:20:53,938 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:20:53,938 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40, 40] total 69
[2022-02-09 18:20:53,938 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823337516]
[2022-02-09 18:20:53,938 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:20:53,938 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 70 states
[2022-02-09 18:20:53,938 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:20:53,939 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants.
[2022-02-09 18:20:53,939 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=4660, Unknown=0, NotChecked=0, Total=4830
[2022-02-09 18:20:53,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:20:53,939 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:20:53,939 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 70 states, 70 states have (on average 3.3285714285714287) internal successors, (233), 69 states have internal predecessors, (233), 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)
[2022-02-09 18:20:53,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:53,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:53,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:20:53,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:20:53,939 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:20:53,940 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:20:53,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:20:53,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:20:53,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:20:53,941 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:21:07,714 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 154011 transitions and produced 54482 states.
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:21:07,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:21:07,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:21:07,733 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0
[2022-02-09 18:21:07,916 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:21:07,917 INFO  L402      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:21:07,917 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:21:07,917 INFO  L85        PathProgramCache]: Analyzing trace with hash -357810286, now seen corresponding path program 34 times
[2022-02-09 18:21:07,917 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:21:07,917 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938948574]
[2022-02-09 18:21:07,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:21:07,917 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:21:07,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:21:09,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 822 backedges. 3 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:21:09,341 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:21:09,341 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938948574]
[2022-02-09 18:21:09,341 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938948574] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:21:09,341 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61906031]
[2022-02-09 18:21:09,341 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:21:09,341 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:21:09,341 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:21:09,342 INFO  L229       MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:21:09,343 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process
[2022-02-09 18:21:09,393 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:21:09,394 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:21:09,395 INFO  L263         TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 90 conjunts are in the unsatisfiable core
[2022-02-09 18:21:09,397 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:21:12,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 822 backedges. 3 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:21:12,865 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:21:14,843 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:14,843 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:21:16,509 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:16,510 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:21:16,515 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:16,515 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:21:17,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 822 backedges. 0 proven. 822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:21:17,059 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [61906031] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:21:17,059 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:21:17,059 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 46, 46] total 120
[2022-02-09 18:21:17,059 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026541886]
[2022-02-09 18:21:17,059 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:21:17,060 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 121 states
[2022-02-09 18:21:17,060 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:21:17,060 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants.
[2022-02-09 18:21:17,061 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=14157, Unknown=0, NotChecked=0, Total=14520
[2022-02-09 18:21:17,061 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:21:17,061 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:21:17,061 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 121 states, 121 states have (on average 3.12396694214876) internal successors, (378), 120 states have internal predecessors, (378), 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)
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:21:17,061 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:21:17,062 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:21:21,350 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 612 transitions and produced 610 states.
[2022-02-09 18:21:21,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:21,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:21,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:21:21,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:21,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:21:21,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:21:21,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:21:21,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:21:21,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:21:21,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:21:21,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:21:21,369 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0
[2022-02-09 18:21:21,552 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:21:21,553 INFO  L402      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:21:21,553 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:21:21,553 INFO  L85        PathProgramCache]: Analyzing trace with hash 1298268782, now seen corresponding path program 35 times
[2022-02-09 18:21:21,553 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:21:21,553 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541699926]
[2022-02-09 18:21:21,553 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:21:21,553 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:21:21,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:21:22,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 864 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:21:22,692 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:21:22,692 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541699926]
[2022-02-09 18:21:22,692 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541699926] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:21:22,692 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424025771]
[2022-02-09 18:21:22,692 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:21:22,693 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:21:22,693 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:21:22,694 INFO  L229       MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:21:22,694 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process
[2022-02-09 18:21:22,755 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s)
[2022-02-09 18:21:22,756 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:21:22,758 INFO  L263         TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 88 conjunts are in the unsatisfiable core
[2022-02-09 18:21:22,760 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:21:25,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 864 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:21:25,433 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:21:26,759 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:26,760 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:21:27,978 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:27,978 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:21:27,983 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:27,984 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:21:28,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 863 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:21:28,494 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [424025771] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:21:28,494 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:21:28,494 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 119
[2022-02-09 18:21:28,494 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747573269]
[2022-02-09 18:21:28,494 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:21:28,495 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 120 states
[2022-02-09 18:21:28,495 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:21:28,495 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants.
[2022-02-09 18:21:28,495 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=13933, Unknown=0, NotChecked=0, Total=14280
[2022-02-09 18:21:28,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:21:28,496 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:21:28,496 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 120 states, 120 states have (on average 3.216666666666667) internal successors, (386), 119 states have internal predecessors, (386), 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)
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:28,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:21:28,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:21:52,730 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 57566 transitions and produced 21427 states.
[2022-02-09 18:21:52,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:52,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:21:52,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:21:52,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:21:52,749 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0
[2022-02-09 18:21:52,932 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34
[2022-02-09 18:21:52,933 INFO  L402      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:21:52,933 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:21:52,933 INFO  L85        PathProgramCache]: Analyzing trace with hash -1174150863, now seen corresponding path program 36 times
[2022-02-09 18:21:52,933 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:21:52,933 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099643660]
[2022-02-09 18:21:52,933 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:21:52,933 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:21:52,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:21:54,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 14 proven. 890 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:21:54,065 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:21:54,065 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099643660]
[2022-02-09 18:21:54,065 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099643660] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:21:54,066 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420849514]
[2022-02-09 18:21:54,066 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:21:54,066 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:21:54,066 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:21:54,067 INFO  L229       MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:21:54,067 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process
[2022-02-09 18:21:54,132 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s)
[2022-02-09 18:21:54,133 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:21:54,136 INFO  L263         TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 87 conjunts are in the unsatisfiable core
[2022-02-09 18:21:54,138 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:21:55,515 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:21:55,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 14 proven. 890 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:21:55,637 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:21:55,717 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:55,717 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:21:56,312 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:56,313 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:21:56,316 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:21:56,317 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:21:56,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 14 proven. 890 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:21:56,679 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [420849514] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:21:56,679 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:21:56,679 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43, 43] total 74
[2022-02-09 18:21:56,680 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780440367]
[2022-02-09 18:21:56,680 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:21:56,680 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 75 states
[2022-02-09 18:21:56,680 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:21:56,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants.
[2022-02-09 18:21:56,681 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=5368, Unknown=0, NotChecked=0, Total=5550
[2022-02-09 18:21:56,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:21:56,681 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:21:56,681 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 75 states, 75 states have (on average 3.3066666666666666) internal successors, (248), 74 states have internal predecessors, (248), 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)
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:21:56,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:21:56,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:22:12,758 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 167295 transitions and produced 59081 states.
[2022-02-09 18:22:12,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:12,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:22:12,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:22:12,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:22:12,777 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0
[2022-02-09 18:22:12,960 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35
[2022-02-09 18:22:12,961 INFO  L402      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:22:12,961 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:22:12,961 INFO  L85        PathProgramCache]: Analyzing trace with hash 207976749, now seen corresponding path program 37 times
[2022-02-09 18:22:12,961 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:22:12,961 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240893563]
[2022-02-09 18:22:12,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:22:12,961 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:22:13,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:22:14,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 948 backedges. 3 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:22:14,487 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:22:14,487 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240893563]
[2022-02-09 18:22:14,488 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240893563] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:22:14,488 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690983092]
[2022-02-09 18:22:14,488 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 18:22:14,488 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:22:14,488 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:22:14,489 INFO  L229       MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:22:14,490 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process
[2022-02-09 18:22:14,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:22:14,544 INFO  L263         TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 96 conjunts are in the unsatisfiable core
[2022-02-09 18:22:14,545 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:22:18,338 INFO  L134       CoverageAnalysis]: Checked inductivity of 948 backedges. 3 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:22:18,338 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:22:20,519 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:22:20,520 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:22:22,381 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:22:22,382 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:22:22,389 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:22:22,390 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:22:22,892 INFO  L134       CoverageAnalysis]: Checked inductivity of 948 backedges. 0 proven. 948 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:22:22,892 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690983092] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:22:22,892 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:22:22,892 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 49, 49] total 128
[2022-02-09 18:22:22,892 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179040599]
[2022-02-09 18:22:22,892 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:22:22,893 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 129 states
[2022-02-09 18:22:22,893 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:22:22,893 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants.
[2022-02-09 18:22:22,894 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=16127, Unknown=0, NotChecked=0, Total=16512
[2022-02-09 18:22:22,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:22:22,894 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:22:22,894 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 129 states, 129 states have (on average 3.116279069767442) internal successors, (402), 128 states have internal predecessors, (402), 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)
[2022-02-09 18:22:22,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:22,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:22,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:22,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:22:22,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:22:22,894 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:22:22,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:22:22,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:22:22,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:22:22,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:22:22,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:22:22,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:22:22,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:22:22,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:22:27,486 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 651 transitions and produced 649 states.
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:22:27,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:22:27,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:22:27,505 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0
[2022-02-09 18:22:27,689 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36
[2022-02-09 18:22:27,689 INFO  L402      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:22:27,689 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:22:27,689 INFO  L85        PathProgramCache]: Analyzing trace with hash 2082942417, now seen corresponding path program 38 times
[2022-02-09 18:22:27,689 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:22:27,689 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738377914]
[2022-02-09 18:22:27,689 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:22:27,690 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:22:27,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:22:28,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 993 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:22:28,981 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:22:28,981 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738377914]
[2022-02-09 18:22:28,981 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738377914] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:22:28,981 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887832763]
[2022-02-09 18:22:28,981 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 18:22:28,981 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:22:28,981 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:22:28,982 INFO  L229       MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:22:28,983 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process
[2022-02-09 18:22:29,035 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 18:22:29,035 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:22:29,037 INFO  L263         TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 94 conjunts are in the unsatisfiable core
[2022-02-09 18:22:29,039 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:22:32,079 INFO  L134       CoverageAnalysis]: Checked inductivity of 993 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:22:32,079 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:22:33,581 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:22:33,581 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:22:34,966 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:22:34,967 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:22:34,971 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:22:34,971 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:22:35,376 INFO  L134       CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:22:35,376 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887832763] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:22:35,376 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:22:35,376 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 127
[2022-02-09 18:22:35,376 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093644107]
[2022-02-09 18:22:35,376 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:22:35,377 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 128 states
[2022-02-09 18:22:35,377 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:22:35,377 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants.
[2022-02-09 18:22:35,378 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=15887, Unknown=0, NotChecked=0, Total=16256
[2022-02-09 18:22:35,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:22:35,378 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:22:35,378 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 128 states, 128 states have (on average 3.203125) internal successors, (410), 127 states have internal predecessors, (410), 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)
[2022-02-09 18:22:35,378 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:35,378 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:22:35,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:22:35,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:23:02,690 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 61889 transitions and produced 23028 states.
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:23:02,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:23:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:23:02,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:23:02,710 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0
[2022-02-09 18:23:02,892 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:23:02,892 INFO  L402      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:23:02,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:23:02,893 INFO  L85        PathProgramCache]: Analyzing trace with hash -305900916, now seen corresponding path program 39 times
[2022-02-09 18:23:02,893 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:23:02,893 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924601723]
[2022-02-09 18:23:02,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:23:02,893 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:23:02,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:23:04,023 INFO  L134       CoverageAnalysis]: Checked inductivity of 1038 backedges. 15 proven. 1021 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:23:04,023 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:23:04,023 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924601723]
[2022-02-09 18:23:04,024 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924601723] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:23:04,024 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718831777]
[2022-02-09 18:23:04,024 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 18:23:04,024 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:23:04,024 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:23:04,025 INFO  L229       MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:23:04,025 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process
[2022-02-09 18:23:04,104 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s)
[2022-02-09 18:23:04,104 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:23:04,107 INFO  L263         TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 92 conjunts are in the unsatisfiable core
[2022-02-09 18:23:04,108 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:23:05,637 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:23:06,512 INFO  L134       CoverageAnalysis]: Checked inductivity of 1038 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:23:06,512 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:23:06,629 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:06,629 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:23:07,200 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:07,201 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:23:07,205 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:07,206 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22
[2022-02-09 18:23:07,564 INFO  L134       CoverageAnalysis]: Checked inductivity of 1038 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:23:07,565 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [718831777] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:23:07,565 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:23:07,565 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 47] total 94
[2022-02-09 18:23:07,565 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97420533]
[2022-02-09 18:23:07,565 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:23:07,565 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 95 states
[2022-02-09 18:23:07,566 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:23:07,566 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants.
[2022-02-09 18:23:07,566 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=8691, Unknown=0, NotChecked=0, Total=8930
[2022-02-09 18:23:07,566 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:23:07,566 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:23:07,567 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 95 states, 95 states have (on average 3.2736842105263158) internal successors, (311), 94 states have internal predecessors, (311), 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)
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:23:07,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:23:07,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:23:32,410 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 181610 transitions and produced 64002 states.
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:23:32,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:23:32,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:23:32,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:23:32,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:23:32,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:23:32,429 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0
[2022-02-09 18:23:32,612 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38
[2022-02-09 18:23:32,612 INFO  L402      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:23:32,613 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:23:32,613 INFO  L85        PathProgramCache]: Analyzing trace with hash 1949091314, now seen corresponding path program 40 times
[2022-02-09 18:23:32,613 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:23:32,613 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057309615]
[2022-02-09 18:23:32,613 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:23:32,613 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:23:32,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:23:34,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 1083 backedges. 3 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:23:34,345 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:23:34,345 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057309615]
[2022-02-09 18:23:34,346 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057309615] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:23:34,346 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242466173]
[2022-02-09 18:23:34,346 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:23:34,346 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:23:34,346 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:23:34,347 INFO  L229       MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:23:34,347 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process
[2022-02-09 18:23:34,444 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:23:34,444 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:23:34,446 INFO  L263         TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 102 conjunts are in the unsatisfiable core
[2022-02-09 18:23:34,448 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:23:38,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 1083 backedges. 3 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:23:38,429 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:23:40,724 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:40,724 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:23:42,739 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:42,740 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:23:42,744 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:42,744 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:23:43,338 INFO  L134       CoverageAnalysis]: Checked inductivity of 1083 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:23:43,338 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242466173] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:23:43,338 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:23:43,338 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 52, 52] total 136
[2022-02-09 18:23:43,339 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292941746]
[2022-02-09 18:23:43,339 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:23:43,339 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 137 states
[2022-02-09 18:23:43,339 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:23:43,339 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants.
[2022-02-09 18:23:43,340 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=18225, Unknown=0, NotChecked=0, Total=18632
[2022-02-09 18:23:43,340 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:23:43,340 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:23:43,341 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 137 states, 137 states have (on average 3.1094890510948905) internal successors, (426), 136 states have internal predecessors, (426), 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)
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:23:43,341 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:23:43,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:23:48,973 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 695 transitions and produced 691 states.
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:23:48,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:23:48,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:48,992 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0
[2022-02-09 18:23:49,176 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39
[2022-02-09 18:23:49,176 INFO  L402      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:23:49,176 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:23:49,176 INFO  L85        PathProgramCache]: Analyzing trace with hash 1344408014, now seen corresponding path program 41 times
[2022-02-09 18:23:49,176 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:23:49,177 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751327547]
[2022-02-09 18:23:49,177 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:23:49,177 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:23:49,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:23:50,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 1131 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:23:50,581 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:23:50,581 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751327547]
[2022-02-09 18:23:50,583 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751327547] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:23:50,583 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237524335]
[2022-02-09 18:23:50,583 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:23:50,583 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:23:50,583 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:23:50,584 INFO  L229       MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:23:50,585 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process
[2022-02-09 18:23:50,658 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s)
[2022-02-09 18:23:50,658 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:23:50,661 INFO  L263         TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 100 conjunts are in the unsatisfiable core
[2022-02-09 18:23:50,663 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:23:53,996 INFO  L134       CoverageAnalysis]: Checked inductivity of 1131 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:23:53,996 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:23:55,629 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:55,629 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:23:57,134 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:57,135 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:23:57,139 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:23:57,140 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:23:57,783 INFO  L134       CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 1130 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:23:57,783 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237524335] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:23:57,783 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:23:57,783 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 135
[2022-02-09 18:23:57,784 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901330066]
[2022-02-09 18:23:57,784 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:23:57,784 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 136 states
[2022-02-09 18:23:57,784 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:23:57,784 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants.
[2022-02-09 18:23:57,785 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=17969, Unknown=0, NotChecked=0, Total=18360
[2022-02-09 18:23:57,785 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:23:57,785 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:23:57,785 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 136 states, 136 states have (on average 3.1911764705882355) internal successors, (434), 135 states have internal predecessors, (434), 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)
[2022-02-09 18:23:57,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:57,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:57,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:23:57,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:23:57,785 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:23:57,786 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:23:57,787 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:24:29,545 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 66246 transitions and produced 24648 states.
[2022-02-09 18:24:29,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:24:29,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:24:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:24:29,564 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0
[2022-02-09 18:24:29,748 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:24:29,748 INFO  L402      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:24:29,748 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:24:29,748 INFO  L85        PathProgramCache]: Analyzing trace with hash 1129320721, now seen corresponding path program 42 times
[2022-02-09 18:24:29,748 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:24:29,748 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710853263]
[2022-02-09 18:24:29,748 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:24:29,749 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:24:29,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:24:30,977 INFO  L134       CoverageAnalysis]: Checked inductivity of 1179 backedges. 16 proven. 1161 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:24:30,977 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:24:30,977 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710853263]
[2022-02-09 18:24:30,977 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710853263] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:24:30,977 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936021627]
[2022-02-09 18:24:30,977 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:24:30,978 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:24:30,978 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:24:30,979 INFO  L229       MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:24:30,979 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process
[2022-02-09 18:24:31,051 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s)
[2022-02-09 18:24:31,051 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:24:31,054 INFO  L263         TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 99 conjunts are in the unsatisfiable core
[2022-02-09 18:24:31,055 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:24:32,715 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:24:32,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 1179 backedges. 16 proven. 1161 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:24:32,842 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:24:32,935 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:24:32,936 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:24:33,380 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:24:33,380 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:24:33,395 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:24:33,395 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:24:33,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 1179 backedges. 16 proven. 1161 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:24:33,869 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [936021627] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:24:33,869 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:24:33,869 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 49] total 84
[2022-02-09 18:24:33,869 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994072284]
[2022-02-09 18:24:33,869 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:24:33,874 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 85 states
[2022-02-09 18:24:33,875 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:24:33,875 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants.
[2022-02-09 18:24:33,875 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=6934, Unknown=0, NotChecked=0, Total=7140
[2022-02-09 18:24:33,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:24:33,875 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:24:33,876 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 85 states, 85 states have (on average 3.2705882352941176) internal successors, (278), 84 states have internal predecessors, (278), 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)
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:24:33,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:24:33,877 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:24:54,321 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 192008 transitions and produced 67576 states.
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:24:54,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:24:54,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:24:54,340 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0
[2022-02-09 18:24:54,524 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41
[2022-02-09 18:24:54,524 INFO  L402      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:24:54,524 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:24:54,524 INFO  L85        PathProgramCache]: Analyzing trace with hash -2057519795, now seen corresponding path program 43 times
[2022-02-09 18:24:54,525 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:24:54,525 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234683954]
[2022-02-09 18:24:54,525 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:24:54,525 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:24:54,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:24:56,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 1227 backedges. 3 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:24:56,435 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:24:56,436 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234683954]
[2022-02-09 18:24:56,436 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234683954] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:24:56,436 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165626177]
[2022-02-09 18:24:56,436 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 18:24:56,436 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:24:56,436 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:24:56,437 INFO  L229       MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:24:56,439 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process
[2022-02-09 18:24:56,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:24:56,495 INFO  L263         TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 108 conjunts are in the unsatisfiable core
[2022-02-09 18:24:56,497 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:25:00,924 INFO  L134       CoverageAnalysis]: Checked inductivity of 1227 backedges. 3 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:25:00,924 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:25:03,462 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:03,462 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:25:05,725 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:05,726 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:25:05,730 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:05,730 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:25:06,378 INFO  L134       CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 1227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:25:06,378 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [165626177] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:25:06,378 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:25:06,378 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 55, 55] total 144
[2022-02-09 18:25:06,379 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113892195]
[2022-02-09 18:25:06,379 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:25:06,379 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 145 states
[2022-02-09 18:25:06,379 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:25:06,380 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants.
[2022-02-09 18:25:06,380 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=20451, Unknown=0, NotChecked=0, Total=20880
[2022-02-09 18:25:06,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:25:06,380 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:25:06,381 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 145 states, 145 states have (on average 3.103448275862069) internal successors, (450), 144 states have internal predecessors, (450), 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)
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:25:06,381 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:25:06,382 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:25:12,184 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 729 transitions and produced 727 states.
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:25:12,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:25:12,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:25:12,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:25:12,202 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0
[2022-02-09 18:25:12,386 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:25:12,387 INFO  L402      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:25:12,387 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:25:12,387 INFO  L85        PathProgramCache]: Analyzing trace with hash 1958744305, now seen corresponding path program 44 times
[2022-02-09 18:25:12,387 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:25:12,387 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719630281]
[2022-02-09 18:25:12,387 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:25:12,387 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:25:12,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:25:13,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 1278 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:25:13,914 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:25:13,914 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719630281]
[2022-02-09 18:25:13,915 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719630281] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:25:13,915 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210614084]
[2022-02-09 18:25:13,915 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 18:25:13,915 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:25:13,915 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:25:13,916 INFO  L229       MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:25:13,917 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process
[2022-02-09 18:25:13,970 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 18:25:13,970 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:25:13,972 INFO  L263         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 106 conjunts are in the unsatisfiable core
[2022-02-09 18:25:13,973 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:25:17,578 INFO  L134       CoverageAnalysis]: Checked inductivity of 1278 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:25:17,578 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:25:19,366 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:19,366 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:25:21,045 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:21,045 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:25:21,050 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:21,050 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:25:21,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 1277 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:25:21,609 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [210614084] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:25:21,609 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:25:21,609 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 54] total 143
[2022-02-09 18:25:21,609 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649987683]
[2022-02-09 18:25:21,609 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:25:21,610 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 144 states
[2022-02-09 18:25:21,610 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:25:21,610 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants.
[2022-02-09 18:25:21,611 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=20179, Unknown=0, NotChecked=0, Total=20592
[2022-02-09 18:25:21,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:25:21,611 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:25:21,611 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 144 states, 144 states have (on average 3.1805555555555554) internal successors, (458), 143 states have internal predecessors, (458), 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)
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:25:21,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:25:21,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:25:21,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:25:21,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:25:21,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:25:21,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:21,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:25:21,615 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:25:21,616 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:25:54,210 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 70555 transitions and produced 26238 states.
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:25:54,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:25:54,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:25:54,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:25:54,230 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0
[2022-02-09 18:25:54,412 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:25:54,413 INFO  L402      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:25:54,413 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:25:54,413 INFO  L85        PathProgramCache]: Analyzing trace with hash -642949076, now seen corresponding path program 45 times
[2022-02-09 18:25:54,413 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:25:54,413 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276512521]
[2022-02-09 18:25:54,413 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:25:54,413 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:25:54,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:25:55,806 INFO  L134       CoverageAnalysis]: Checked inductivity of 1329 backedges. 17 proven. 1310 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:25:55,807 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:25:55,807 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276512521]
[2022-02-09 18:25:55,807 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276512521] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:25:55,807 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442641743]
[2022-02-09 18:25:55,807 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 18:25:55,807 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:25:55,807 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:25:55,808 INFO  L229       MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:25:55,809 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process
[2022-02-09 18:25:55,883 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s)
[2022-02-09 18:25:55,883 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:25:55,885 INFO  L263         TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 105 conjunts are in the unsatisfiable core
[2022-02-09 18:25:55,887 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:25:57,757 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:25:57,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 1329 backedges. 17 proven. 1310 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:25:57,890 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:25:57,982 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:57,982 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:25:58,943 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:58,943 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:25:58,947 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:25:58,947 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:25:59,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 1329 backedges. 17 proven. 1310 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:25:59,301 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [442641743] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:25:59,301 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:25:59,301 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 52, 52] total 89
[2022-02-09 18:25:59,301 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507627871]
[2022-02-09 18:25:59,301 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:25:59,301 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 90 states
[2022-02-09 18:25:59,301 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:25:59,302 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants.
[2022-02-09 18:25:59,302 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=7792, Unknown=0, NotChecked=0, Total=8010
[2022-02-09 18:25:59,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:25:59,302 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:25:59,302 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 90 states, 90 states have (on average 3.2555555555555555) internal successors, (293), 89 states have internal predecessors, (293), 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)
[2022-02-09 18:25:59,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:59,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:59,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:25:59,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:25:59,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:25:59,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:25:59,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:25:59,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:25:59,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:26:25,043 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 205307 transitions and produced 72180 states.
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:26:25,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:26:25,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:26:25,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-09 18:26:25,064 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0
[2022-02-09 18:26:25,246 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44
[2022-02-09 18:26:25,246 INFO  L402      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:26:25,246 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:26:25,246 INFO  L85        PathProgramCache]: Analyzing trace with hash -1714072494, now seen corresponding path program 46 times
[2022-02-09 18:26:25,246 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:26:25,246 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534870793]
[2022-02-09 18:26:25,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:26:25,247 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:26:25,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:26:27,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 1380 backedges. 3 proven. 1377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:26:27,210 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:26:27,210 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534870793]
[2022-02-09 18:26:27,210 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534870793] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:26:27,210 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035210576]
[2022-02-09 18:26:27,210 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 18:26:27,210 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:26:27,210 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:26:27,211 INFO  L229       MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:26:27,212 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process
[2022-02-09 18:26:27,268 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 18:26:27,269 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:26:27,271 INFO  L263         TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 114 conjunts are in the unsatisfiable core
[2022-02-09 18:26:27,272 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:26:32,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 1380 backedges. 3 proven. 1377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:26:32,316 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:26:35,123 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:26:35,124 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:26:37,664 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:26:37,664 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44
[2022-02-09 18:26:37,669 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:26:37,669 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36
[2022-02-09 18:26:38,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 1380 backedges. 0 proven. 1380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:26:38,446 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035210576] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:26:38,446 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:26:38,446 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 58, 58] total 152
[2022-02-09 18:26:38,446 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867510171]
[2022-02-09 18:26:38,446 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:26:38,447 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 153 states
[2022-02-09 18:26:38,447 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:26:38,447 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants.
[2022-02-09 18:26:38,449 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=22805, Unknown=0, NotChecked=0, Total=23256
[2022-02-09 18:26:38,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:26:38,449 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:26:38,449 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 153 states, 153 states have (on average 3.0980392156862746) internal successors, (474), 152 states have internal predecessors, (474), 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)
[2022-02-09 18:26:38,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:38,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:26:38,450 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-09 18:26:38,451 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:26:44,990 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 768 transitions and produced 766 states.
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:26:44,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:26:44,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-09 18:26:44,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-09 18:26:45,011 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0
[2022-02-09 18:26:45,192 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45
[2022-02-09 18:26:45,193 INFO  L402      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:26:45,193 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:26:45,193 INFO  L85        PathProgramCache]: Analyzing trace with hash -1735665362, now seen corresponding path program 47 times
[2022-02-09 18:26:45,193 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:26:45,193 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027822045]
[2022-02-09 18:26:45,193 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:26:45,193 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:26:45,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:26:46,858 INFO  L134       CoverageAnalysis]: Checked inductivity of 1434 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:26:46,858 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:26:46,858 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027822045]
[2022-02-09 18:26:46,858 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027822045] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:26:46,859 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090363538]
[2022-02-09 18:26:46,859 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 18:26:46,859 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:26:46,859 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:26:46,860 INFO  L229       MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:26:46,862 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process
[2022-02-09 18:26:46,936 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s)
[2022-02-09 18:26:46,937 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:26:46,939 INFO  L263         TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 112 conjunts are in the unsatisfiable core
[2022-02-09 18:26:46,941 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:26:50,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 1434 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:26:50,965 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:26:52,987 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:26:52,987 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34
[2022-02-09 18:26:54,852 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:26:54,853 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34
[2022-02-09 18:26:54,857 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:26:54,857 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:26:55,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 1433 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-09 18:26:55,291 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090363538] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:26:55,291 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:26:55,292 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 151
[2022-02-09 18:26:55,292 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74517640]
[2022-02-09 18:26:55,292 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:26:55,292 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 152 states
[2022-02-09 18:26:55,292 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:26:55,293 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants.
[2022-02-09 18:26:55,295 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=22517, Unknown=0, NotChecked=0, Total=22952
[2022-02-09 18:26:55,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:26:55,295 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:26:55,295 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 152 states, 152 states have (on average 3.1710526315789473) internal successors, (482), 151 states have internal predecessors, (482), 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)
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:26:55,295 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:26:55,296 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-09 18:26:55,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:27:34,575 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 74906 transitions and produced 27848 states.
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:27:34,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-09 18:27:34,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-09 18:27:34,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. 
[2022-02-09 18:27:34,594 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0
[2022-02-09 18:27:34,778 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46
[2022-02-09 18:27:34,778 INFO  L402      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:27:34,778 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:27:34,779 INFO  L85        PathProgramCache]: Analyzing trace with hash 1347029233, now seen corresponding path program 48 times
[2022-02-09 18:27:34,779 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:27:34,779 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730906443]
[2022-02-09 18:27:34,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:27:34,779 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:27:34,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:27:36,274 INFO  L134       CoverageAnalysis]: Checked inductivity of 1488 backedges. 18 proven. 1468 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:27:36,274 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:27:36,274 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730906443]
[2022-02-09 18:27:36,274 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730906443] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 18:27:36,274 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883606195]
[2022-02-09 18:27:36,275 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 18:27:36,275 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:27:36,275 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:27:36,276 INFO  L229       MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 18:27:36,276 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process
[2022-02-09 18:27:36,359 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s)
[2022-02-09 18:27:36,359 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 18:27:36,362 INFO  L263         TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 111 conjunts are in the unsatisfiable core
[2022-02-09 18:27:36,363 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 18:27:38,497 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2022-02-09 18:27:38,638 INFO  L134       CoverageAnalysis]: Checked inductivity of 1488 backedges. 18 proven. 1468 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:27:38,638 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 18:27:38,753 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:27:38,753 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24
[2022-02-09 18:27:39,404 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:27:39,405 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:27:39,408 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-09 18:27:39,409 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28
[2022-02-09 18:27:39,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 1488 backedges. 18 proven. 1468 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 18:27:39,912 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [883606195] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 18:27:39,912 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 18:27:39,912 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 55, 55] total 94
[2022-02-09 18:27:39,912 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011062117]
[2022-02-09 18:27:39,912 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 18:27:39,913 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 95 states
[2022-02-09 18:27:39,913 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:27:39,913 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants.
[2022-02-09 18:27:39,914 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=8700, Unknown=0, NotChecked=0, Total=8930
[2022-02-09 18:27:39,914 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:27:39,914 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:27:39,914 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 95 states, 95 states have (on average 3.2421052631578946) internal successors, (308), 94 states have internal predecessors, (308), 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)
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:27:39,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:27:39,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. 
[2022-02-09 18:27:39,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 18:28:07,659 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 218619 transitions and produced 76788 states.
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-02-09 18:28:07,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-09 18:28:07,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. 
[2022-02-09 18:28:07,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. 
[2022-02-09 18:28:07,681 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0
[2022-02-09 18:28:07,862 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 18:28:07,862 INFO  L402      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-09 18:28:07,862 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:28:07,862 INFO  L85        PathProgramCache]: Analyzing trace with hash -1703855763, now seen corresponding path program 49 times
[2022-02-09 18:28:07,862 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:28:07,862 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352908563]
[2022-02-09 18:28:07,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:28:07,863 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:28:07,874 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
Received shutdown request...
[2022-02-09 18:28:08,010 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining)
[2022-02-09 18:28:08,010 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2022-02-09 18:28:08,010 WARN  L594      AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 8 known predicates.
[2022-02-09 18:28:08,011 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-09 18:28:08,011 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-09 18:28:08,011 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-09 18:28:08,016 INFO  L732         BasicCegarLoop]: Path program histogram: [49]
[2022-02-09 18:28:08,017 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 18:28:08,018 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 18:28:08,019 INFO  L202        PluginConnector]: Adding new model array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:28:08 BasicIcfg
[2022-02-09 18:28:08,019 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 18:28:08,019 INFO  L158              Benchmark]: Toolchain (without parser) took 728076.04ms. Allocated memory was 224.4MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 189.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB.
[2022-02-09 18:28:08,019 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 224.4MB. Free memory is still 190.6MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 18:28:08,019 INFO  L158              Benchmark]: Boogie Procedure Inliner took 19.31ms. Allocated memory is still 224.4MB. Free memory was 189.4MB in the beginning and 187.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 18:28:08,019 INFO  L158              Benchmark]: Boogie Preprocessor took 20.55ms. Allocated memory is still 224.4MB. Free memory was 187.8MB in the beginning and 186.9MB in the end (delta: 897.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 18:28:08,020 INFO  L158              Benchmark]: RCFGBuilder took 258.98ms. Allocated memory is still 224.4MB. Free memory was 186.8MB in the beginning and 177.2MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-09 18:28:08,020 INFO  L158              Benchmark]: TraceAbstraction took 727773.41ms. Allocated memory was 224.4MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 176.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB.
[2022-02-09 18:28:08,020 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 224.4MB. Free memory is still 190.6MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 19.31ms. Allocated memory is still 224.4MB. Free memory was 189.4MB in the beginning and 187.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 20.55ms. Allocated memory is still 224.4MB. Free memory was 187.8MB in the beginning and 186.9MB in the end (delta: 897.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 258.98ms. Allocated memory is still 224.4MB. Free memory was 186.8MB in the beginning and 177.2MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
 * TraceAbstraction took 727773.41ms. Allocated memory was 224.4MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 176.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction)
    Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 8 known predicates.
  - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 8 known predicates.
  - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 8 known predicates.
  - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 187 with TraceHistMax 19,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 8 known predicates.
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 51 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 727.6s, OverallIterations: 49, TraceHistogramMax: 0, PathProgramHistogramMax: 49, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 491.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=0, InterpolantAutomatonStates: 2562, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 223.2s InterpolantComputationTime, 11142 NumberOfCodeBlocks, 11142 NumberOfCodeBlocksAsserted, 376 NumberOfCheckSat, 16269 ConstructedInterpolants, 0 QuantifiedInterpolants, 296488 SizeOfPredicates, 511 NumberOfNonLiveVariables, 12510 ConjunctsInSsa, 3166 ConjunctsInUnsatCore, 138 InterpolantComputations, 3 PerfectInterpolantSequences, 9881/92154 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown