/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/multiply-verify.wvr.bpl


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-20 12:14:49,929 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-20 12:14:50,045 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf
[2022-02-20 12:14:50,059 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-20 12:14:50,059 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-20 12:14:50,060 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-20 12:14:50,060 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-20 12:14:50,060 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-20 12:14:50,060 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-20 12:14:50,061 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-20 12:14:50,061 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-20 12:14:50,061 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-20 12:14:50,062 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 12:14:50,062 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-20 12:14:50,062 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-20 12:14:50,063 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-20 12:14:50,063 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-20 12:14:50,063 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-20 12:14:50,063 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-20 12:14:50,063 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-20 12:14:50,063 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-20 12:14:50,063 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-02-20 12:14:50,063 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-20 12:14:50,236 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-20 12:14:50,255 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-20 12:14:50,257 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-20 12:14:50,258 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-20 12:14:50,259 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-20 12:14:50,260 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/multiply-verify.wvr.bpl
[2022-02-20 12:14:50,260 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/multiply-verify.wvr.bpl'
[2022-02-20 12:14:50,276 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-20 12:14:50,277 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-20 12:14:50,278 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-20 12:14:50,278 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-20 12:14:50,278 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-20 12:14:50,286 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,291 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,295 INFO  L137                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-20 12:14:50,296 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-20 12:14:50,297 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-20 12:14:50,297 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-20 12:14:50,297 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-20 12:14:50,302 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,303 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,303 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,303 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,305 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,307 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,307 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,308 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-20 12:14:50,308 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-20 12:14:50,308 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-20 12:14:50,308 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-20 12:14:50,309 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/1) ...
[2022-02-20 12:14:50,314 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 12:14:50,331 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:14:50,357 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)
[2022-02-20 12:14:50,360 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
[2022-02-20 12:14:50,394 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-20 12:14:50,394 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-20 12:14:50,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-20 12:14:50,394 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-20 12:14:50,394 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-20 12:14:50,394 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-20 12:14:50,395 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-20 12:14:50,395 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-20 12:14:50,395 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-20 12:14:50,395 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-20 12:14:50,395 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-20 12:14:50,395 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-20 12:14:50,396 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-20 12:14:50,436 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-20 12:14:50,438 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-20 12:14:50,509 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-20 12:14:50,520 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-20 12:14:50,520 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-20 12:14:50,522 INFO  L202        PluginConnector]: Adding new model multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:14:50 BoogieIcfgContainer
[2022-02-20 12:14:50,522 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-20 12:14:50,524 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-20 12:14:50,524 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-20 12:14:50,527 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-20 12:14:50,527 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:14:50" (1/2) ...
[2022-02-20 12:14:50,528 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ddc69a and model type multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:14:50, skipping insertion in model container
[2022-02-20 12:14:50,528 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:14:50" (2/2) ...
[2022-02-20 12:14:50,529 INFO  L111   eAbstractionObserver]: Analyzing ICFG multiply-verify.wvr.bpl
[2022-02-20 12:14:50,533 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-20 12:14:50,534 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-20 12:14:50,534 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-20 12:14:50,534 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-20 12:14:50,567 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-20 12:14:50,605 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-20 12:14:50,605 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:14:50,607 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)
[2022-02-20 12:14:50,608 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
[2022-02-20 12:14:50,681 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-20 12:14:50,685 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-20 12:14:50,686 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-20 12:14:56,766 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1083 transitions and produced 1001 states.
[2022-02-20 12:14:56,768 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:14:56,775 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:14:56,776 INFO  L85        PathProgramCache]: Analyzing trace with hash -1107761404, now seen corresponding path program 1 times
[2022-02-20 12:14:56,784 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:14:56,784 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322661067]
[2022-02-20 12:14:56,785 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:14:56,785 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:14:56,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:14:57,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 12262 backedges. 5367 proven. 0 refuted. 0 times theorem prover too weak. 6895 trivial. 0 not checked.
[2022-02-20 12:14:57,173 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:14:57,174 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322661067]
[2022-02-20 12:14:57,175 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322661067] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-20 12:14:57,175 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-20 12:14:57,176 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-20 12:14:57,178 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638454737]
[2022-02-20 12:14:57,179 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-20 12:14:57,186 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-20 12:14:57,187 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:14:57,281 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-20 12:14:57,284 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-20 12:14:57,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:14:57,286 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:14:57,288 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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)
[2022-02-20 12:14:57,288 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:14:59,535 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 701 transitions and produced 651 states.
[2022-02-20 12:14:59,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:14:59,536 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-20 12:14:59,536 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:14:59,537 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:14:59,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 172862372, now seen corresponding path program 2 times
[2022-02-20 12:14:59,537 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:14:59,537 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394618447]
[2022-02-20 12:14:59,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:14:59,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:14:59,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:14:59,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 3440 backedges. 222 proven. 46 refuted. 0 times theorem prover too weak. 3172 trivial. 0 not checked.
[2022-02-20 12:14:59,734 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:14:59,734 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394618447]
[2022-02-20 12:14:59,734 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394618447] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:14:59,735 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940834726]
[2022-02-20 12:14:59,735 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 12:14:59,736 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:14:59,736 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:14:59,752 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)
[2022-02-20 12:14:59,753 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-20 12:14:59,902 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 12:14:59,903 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:14:59,906 INFO  L263         TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-02-20 12:14:59,912 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:15:00,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 3440 backedges. 222 proven. 46 refuted. 0 times theorem prover too weak. 3172 trivial. 0 not checked.
[2022-02-20 12:15:00,395 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:15:00,734 INFO  L134       CoverageAnalysis]: Checked inductivity of 3440 backedges. 222 proven. 46 refuted. 0 times theorem prover too weak. 3172 trivial. 0 not checked.
[2022-02-20 12:15:00,734 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940834726] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:15:00,734 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:15:00,734 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4
[2022-02-20 12:15:00,735 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687621844]
[2022-02-20 12:15:00,735 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:15:00,736 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-20 12:15:00,736 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:15:00,737 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-20 12:15:00,738 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-02-20 12:15:00,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:00,738 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:15:00,738 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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)
[2022-02-20 12:15:00,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:00,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:02,106 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 654 transitions and produced 607 states.
[2022-02-20 12:15:02,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:02,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:02,126 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-20 12:15:02,309 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,SelfDestructingSolverStorable1
[2022-02-20 12:15:02,319 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:15:02,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:15:02,320 INFO  L85        PathProgramCache]: Analyzing trace with hash -839576264, now seen corresponding path program 3 times
[2022-02-20 12:15:02,320 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:15:02,320 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132159041]
[2022-02-20 12:15:02,320 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:15:02,321 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:15:02,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:15:03,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 3191 backedges. 2383 proven. 787 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2022-02-20 12:15:03,215 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:15:03,215 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132159041]
[2022-02-20 12:15:03,215 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132159041] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:15:03,215 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350766985]
[2022-02-20 12:15:03,216 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 12:15:03,216 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:03,216 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:15:03,217 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)
[2022-02-20 12:15:03,218 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-20 12:15:03,293 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 38 check-sat command(s)
[2022-02-20 12:15:03,293 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:15:03,295 INFO  L263         TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 26 conjunts are in the unsatisfiable core
[2022-02-20 12:15:03,298 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:15:04,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 3191 backedges. 164 proven. 2817 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2022-02-20 12:15:04,380 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:15:05,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 3191 backedges. 81 proven. 2898 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked.
[2022-02-20 12:15:05,075 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [350766985] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:15:05,075 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:15:05,075 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 27, 25] total 77
[2022-02-20 12:15:05,076 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197884240]
[2022-02-20 12:15:05,076 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:15:05,076 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2022-02-20 12:15:05,077 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:15:05,077 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2022-02-20 12:15:05,081 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1072, Invalid=4780, Unknown=0, NotChecked=0, Total=5852
[2022-02-20 12:15:05,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:05,081 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:15:05,082 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 77 states, 77 states have (on average 3.9740259740259742) internal successors, (306), 77 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)
[2022-02-20 12:15:05,082 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:05,082 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:05,082 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:08,899 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 912 transitions and produced 605 states.
[2022-02-20 12:15:08,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:08,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:08,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:08,918 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-20 12:15:09,117 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:09,117 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:15:09,118 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:15:09,118 INFO  L85        PathProgramCache]: Analyzing trace with hash -233656464, now seen corresponding path program 4 times
[2022-02-20 12:15:09,118 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:15:09,118 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675021791]
[2022-02-20 12:15:09,118 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:15:09,118 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:15:09,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:15:10,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 4306 backedges. 1609 proven. 2697 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:10,857 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:15:10,857 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675021791]
[2022-02-20 12:15:10,857 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675021791] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:15:10,857 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565584611]
[2022-02-20 12:15:10,857 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-20 12:15:10,857 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:10,858 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:15:10,859 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)
[2022-02-20 12:15:10,860 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-20 12:15:10,963 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-20 12:15:10,963 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:15:10,973 INFO  L263         TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 79 conjunts are in the unsatisfiable core
[2022-02-20 12:15:10,978 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:15:14,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 4306 backedges. 2262 proven. 2044 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:14,209 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:15:14,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 4306 backedges. 1609 proven. 2697 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:14,944 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565584611] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:15:14,944 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:15:14,944 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 80, 80] total 160
[2022-02-20 12:15:14,944 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33242624]
[2022-02-20 12:15:14,944 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:15:14,945 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 160 states
[2022-02-20 12:15:14,945 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:15:14,947 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants.
[2022-02-20 12:15:14,953 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=4886, Invalid=20554, Unknown=0, NotChecked=0, Total=25440
[2022-02-20 12:15:14,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:14,953 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:15:14,954 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 160 states, 160 states have (on average 3.1375) internal successors, (502), 160 states have internal predecessors, (502), 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)
[2022-02-20 12:15:14,954 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:14,954 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:14,954 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:14,954 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:20,501 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 973 transitions and produced 640 states.
[2022-02-20 12:15:20,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:20,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:20,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:20,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:15:20,522 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-20 12:15:20,705 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:20,705 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:15:20,707 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:15:20,708 INFO  L85        PathProgramCache]: Analyzing trace with hash -1305432980, now seen corresponding path program 5 times
[2022-02-20 12:15:20,708 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:15:20,709 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688668217]
[2022-02-20 12:15:20,709 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:15:20,709 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:15:20,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:15:22,309 INFO  L134       CoverageAnalysis]: Checked inductivity of 5005 backedges. 1652 proven. 3353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:22,309 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:15:22,309 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688668217]
[2022-02-20 12:15:22,310 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688668217] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:15:22,310 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259347514]
[2022-02-20 12:15:22,310 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-20 12:15:22,311 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:22,311 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:15:22,312 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)
[2022-02-20 12:15:22,313 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-20 12:15:22,416 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 43 check-sat command(s)
[2022-02-20 12:15:22,416 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:15:22,419 INFO  L263         TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 85 conjunts are in the unsatisfiable core
[2022-02-20 12:15:22,422 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:15:25,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 5005 backedges. 2501 proven. 2504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:25,609 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:15:26,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 5005 backedges. 1652 proven. 3353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:26,259 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259347514] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:15:26,259 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:15:26,259 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86, 86] total 164
[2022-02-20 12:15:26,259 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226598570]
[2022-02-20 12:15:26,259 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:15:26,261 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 164 states
[2022-02-20 12:15:26,261 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:15:26,263 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants.
[2022-02-20 12:15:26,269 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5078, Invalid=21654, Unknown=0, NotChecked=0, Total=26732
[2022-02-20 12:15:26,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:26,269 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:15:26,270 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 164 states, 164 states have (on average 3.1219512195121952) internal successors, (512), 164 states have internal predecessors, (512), 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)
[2022-02-20 12:15:26,270 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:26,270 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:26,270 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:26,270 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:15:26,270 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:31,907 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1013 transitions and produced 667 states.
[2022-02-20 12:15:31,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:31,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:31,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:31,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:15:31,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:15:31,926 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2022-02-20 12:15:32,119 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:32,120 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:15:32,121 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:15:32,121 INFO  L85        PathProgramCache]: Analyzing trace with hash -1315132180, now seen corresponding path program 6 times
[2022-02-20 12:15:32,121 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:15:32,121 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678429843]
[2022-02-20 12:15:32,122 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:15:32,122 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:15:32,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:15:33,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 5507 backedges. 1707 proven. 3800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:33,847 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:15:33,847 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678429843]
[2022-02-20 12:15:33,848 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678429843] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:15:33,848 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153835559]
[2022-02-20 12:15:33,848 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-20 12:15:33,848 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:33,848 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:15:33,849 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)
[2022-02-20 12:15:33,850 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-20 12:15:33,939 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 45 check-sat command(s)
[2022-02-20 12:15:33,939 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:15:33,942 INFO  L263         TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 89 conjunts are in the unsatisfiable core
[2022-02-20 12:15:33,945 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:15:37,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 5507 backedges. 2752 proven. 2755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:37,509 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:15:38,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 5507 backedges. 1707 proven. 3800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:38,087 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153835559] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:15:38,087 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:15:38,087 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 90, 90] total 170
[2022-02-20 12:15:38,087 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204757441]
[2022-02-20 12:15:38,087 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:15:38,088 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 170 states
[2022-02-20 12:15:38,088 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:15:38,090 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants.
[2022-02-20 12:15:38,094 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5434, Invalid=23296, Unknown=0, NotChecked=0, Total=28730
[2022-02-20 12:15:38,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:38,094 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:15:38,095 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 170 states, 170 states have (on average 3.1176470588235294) internal successors, (530), 170 states have internal predecessors, (530), 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)
[2022-02-20 12:15:38,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:38,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:38,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:38,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:15:38,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:15:38,095 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:43,515 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1053 transitions and produced 694 states.
[2022-02-20 12:15:43,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:43,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:43,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:43,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:15:43,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:15:43,516 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:15:43,533 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-20 12:15:43,730 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:43,731 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:15:43,731 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:15:43,731 INFO  L85        PathProgramCache]: Analyzing trace with hash 1300344172, now seen corresponding path program 7 times
[2022-02-20 12:15:43,731 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:15:43,731 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305733101]
[2022-02-20 12:15:43,732 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:15:43,732 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:15:43,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:15:45,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 6033 backedges. 1774 proven. 4259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:45,252 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:15:45,252 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305733101]
[2022-02-20 12:15:45,252 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305733101] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:15:45,252 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866124586]
[2022-02-20 12:15:45,252 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-20 12:15:45,252 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:45,252 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:15:45,253 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)
[2022-02-20 12:15:45,254 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-20 12:15:45,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:15:45,337 INFO  L263         TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 93 conjunts are in the unsatisfiable core
[2022-02-20 12:15:45,341 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:15:49,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 6033 backedges. 3015 proven. 3018 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:49,265 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:15:49,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 6033 backedges. 1774 proven. 4259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:49,751 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866124586] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:15:49,753 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:15:49,753 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 94, 94] total 176
[2022-02-20 12:15:49,754 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610637280]
[2022-02-20 12:15:49,754 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:15:49,754 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 176 states
[2022-02-20 12:15:49,754 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:15:49,756 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants.
[2022-02-20 12:15:49,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5806, Invalid=24994, Unknown=0, NotChecked=0, Total=30800
[2022-02-20 12:15:49,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:49,760 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:15:49,761 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 176 states, 176 states have (on average 3.1136363636363638) internal successors, (548), 176 states have internal predecessors, (548), 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)
[2022-02-20 12:15:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:15:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:15:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:15:49,761 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:15:54,894 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1093 transitions and produced 721 states.
[2022-02-20 12:15:54,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:15:54,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:15:54,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:15:54,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:15:54,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:15:54,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:15:54,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:15:54,915 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-20 12:15:55,113 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:55,114 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:15:55,114 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:15:55,114 INFO  L85        PathProgramCache]: Analyzing trace with hash -116412948, now seen corresponding path program 8 times
[2022-02-20 12:15:55,114 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:15:55,114 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822411955]
[2022-02-20 12:15:55,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:15:55,115 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:15:55,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:15:56,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 6583 backedges. 1853 proven. 4730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:15:56,821 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:15:56,821 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822411955]
[2022-02-20 12:15:56,821 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822411955] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:15:56,821 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085752931]
[2022-02-20 12:15:56,821 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 12:15:56,822 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:15:56,822 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:15:56,823 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)
[2022-02-20 12:15:56,824 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-02-20 12:15:56,899 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 12:15:56,899 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:15:56,901 INFO  L263         TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 97 conjunts are in the unsatisfiable core
[2022-02-20 12:15:56,905 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:16:01,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 6583 backedges. 3290 proven. 3293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:01,320 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:16:02,113 INFO  L134       CoverageAnalysis]: Checked inductivity of 6583 backedges. 1853 proven. 4730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:02,113 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085752931] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:16:02,113 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:16:02,114 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 98, 98] total 182
[2022-02-20 12:16:02,114 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001960271]
[2022-02-20 12:16:02,114 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:16:02,115 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 182 states
[2022-02-20 12:16:02,115 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:16:02,128 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants.
[2022-02-20 12:16:02,144 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6194, Invalid=26748, Unknown=0, NotChecked=0, Total=32942
[2022-02-20 12:16:02,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:16:02,144 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:16:02,145 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 182 states, 182 states have (on average 3.10989010989011) internal successors, (566), 182 states have internal predecessors, (566), 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)
[2022-02-20 12:16:02,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:16:02,147 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:16:02,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:16:02,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:16:02,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:16:02,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:16:02,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:16:02,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:16:09,664 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1133 transitions and produced 748 states.
[2022-02-20 12:16:09,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:16:09,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:16:09,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:16:09,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:16:09,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:16:09,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:16:09,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:16:09,665 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:16:09,683 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-02-20 12:16:09,882 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,SelfDestructingSolverStorable7
[2022-02-20 12:16:09,883 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:16:09,883 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:16:09,883 INFO  L85        PathProgramCache]: Analyzing trace with hash -1686720916, now seen corresponding path program 9 times
[2022-02-20 12:16:09,884 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:16:09,884 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803486230]
[2022-02-20 12:16:09,884 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:16:09,884 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:16:09,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:16:12,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 7157 backedges. 1944 proven. 5213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:12,491 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:16:12,492 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803486230]
[2022-02-20 12:16:12,492 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803486230] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:16:12,492 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758720024]
[2022-02-20 12:16:12,492 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 12:16:12,492 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:16:12,492 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:16:12,493 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)
[2022-02-20 12:16:12,494 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-02-20 12:16:12,609 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 51 check-sat command(s)
[2022-02-20 12:16:12,609 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:16:12,613 INFO  L263         TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 101 conjunts are in the unsatisfiable core
[2022-02-20 12:16:12,618 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:16:17,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 7157 backedges. 3577 proven. 3580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:17,959 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:16:18,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 7157 backedges. 1944 proven. 5213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:18,649 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [758720024] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:16:18,650 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:16:18,650 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 102, 102] total 188
[2022-02-20 12:16:18,650 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928461568]
[2022-02-20 12:16:18,650 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:16:18,651 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 188 states
[2022-02-20 12:16:18,651 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:16:18,652 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants.
[2022-02-20 12:16:18,656 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6598, Invalid=28558, Unknown=0, NotChecked=0, Total=35156
[2022-02-20 12:16:18,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:16:18,656 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:16:18,657 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 188 states, 188 states have (on average 3.106382978723404) internal successors, (584), 188 states have internal predecessors, (584), 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)
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:16:18,657 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:16:25,852 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1173 transitions and produced 775 states.
[2022-02-20 12:16:25,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:16:25,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:16:25,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:16:25,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:16:25,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:16:25,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:16:25,853 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:16:25,853 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:16:25,853 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:16:25,873 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2022-02-20 12:16:26,071 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:16:26,072 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:16:26,072 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:16:26,072 INFO  L85        PathProgramCache]: Analyzing trace with hash -1880707348, now seen corresponding path program 10 times
[2022-02-20 12:16:26,072 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:16:26,072 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401278456]
[2022-02-20 12:16:26,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:16:26,072 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:16:26,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:16:28,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 7755 backedges. 2047 proven. 5708 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:28,755 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:16:28,755 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401278456]
[2022-02-20 12:16:28,755 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401278456] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:16:28,755 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750238063]
[2022-02-20 12:16:28,755 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-20 12:16:28,756 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:16:28,756 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:16:28,757 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)
[2022-02-20 12:16:28,758 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-02-20 12:16:28,868 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-20 12:16:28,868 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:16:28,871 INFO  L263         TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 105 conjunts are in the unsatisfiable core
[2022-02-20 12:16:28,875 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:16:34,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 7755 backedges. 3876 proven. 3879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:34,558 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:16:35,249 INFO  L134       CoverageAnalysis]: Checked inductivity of 7755 backedges. 2047 proven. 5708 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:35,250 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750238063] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:16:35,250 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:16:35,250 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 106, 106] total 194
[2022-02-20 12:16:35,250 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186657277]
[2022-02-20 12:16:35,250 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:16:35,251 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 194 states
[2022-02-20 12:16:35,251 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:16:35,253 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants.
[2022-02-20 12:16:35,255 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7018, Invalid=30424, Unknown=0, NotChecked=0, Total=37442
[2022-02-20 12:16:35,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:16:35,255 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:16:35,256 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 194 states, 194 states have (on average 3.1030927835051547) internal successors, (602), 194 states have internal predecessors, (602), 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)
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:16:35,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:16:42,727 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1213 transitions and produced 802 states.
[2022-02-20 12:16:42,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:16:42,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:16:42,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:16:42,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:16:42,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:16:42,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:16:42,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:16:42,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:16:42,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:16:42,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:16:42,748 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2022-02-20 12:16:42,948 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,SelfDestructingSolverStorable9
[2022-02-20 12:16:42,948 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:16:42,949 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:16:42,949 INFO  L85        PathProgramCache]: Analyzing trace with hash -1517310100, now seen corresponding path program 11 times
[2022-02-20 12:16:42,949 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:16:42,949 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194667229]
[2022-02-20 12:16:42,949 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:16:42,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:16:42,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:16:46,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 8377 backedges. 2162 proven. 6215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:46,091 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:16:46,091 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194667229]
[2022-02-20 12:16:46,091 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194667229] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:16:46,091 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660342660]
[2022-02-20 12:16:46,091 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-20 12:16:46,091 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:16:46,091 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:16:46,093 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)
[2022-02-20 12:16:46,094 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-02-20 12:16:46,272 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s)
[2022-02-20 12:16:46,272 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:16:46,278 INFO  L263         TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 109 conjunts are in the unsatisfiable core
[2022-02-20 12:16:46,282 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:16:52,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 8377 backedges. 4187 proven. 4190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:52,721 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:16:53,533 INFO  L134       CoverageAnalysis]: Checked inductivity of 8377 backedges. 2162 proven. 6215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:16:53,533 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660342660] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:16:53,533 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:16:53,533 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [110, 110, 110] total 200
[2022-02-20 12:16:53,533 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999506196]
[2022-02-20 12:16:53,534 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:16:53,534 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 200 states
[2022-02-20 12:16:53,534 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:16:53,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants.
[2022-02-20 12:16:53,538 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7454, Invalid=32346, Unknown=0, NotChecked=0, Total=39800
[2022-02-20 12:16:53,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:16:53,538 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:16:53,538 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 200 states, 200 states have (on average 3.1) internal successors, (620), 200 states have internal predecessors, (620), 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)
[2022-02-20 12:16:53,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:16:53,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:16:53,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:16:53,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:16:53,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:16:53,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:16:53,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:16:53,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:16:53,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:16:53,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:16:53,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:17:01,508 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1253 transitions and produced 829 states.
[2022-02-20 12:17:01,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:17:01,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:17:01,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:17:01,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:17:01,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:17:01,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:17:01,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:17:01,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:17:01,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:17:01,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:17:01,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:17:01,530 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2022-02-20 12:17:01,729 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,SelfDestructingSolverStorable10
[2022-02-20 12:17:01,730 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:17:01,730 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:17:01,730 INFO  L85        PathProgramCache]: Analyzing trace with hash 530690028, now seen corresponding path program 12 times
[2022-02-20 12:17:01,730 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:17:01,730 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878291255]
[2022-02-20 12:17:01,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:17:01,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:17:01,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:17:05,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 9023 backedges. 2289 proven. 6734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:05,117 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:17:05,117 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878291255]
[2022-02-20 12:17:05,117 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878291255] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:17:05,117 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101947867]
[2022-02-20 12:17:05,117 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-20 12:17:05,118 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:17:05,118 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:17:05,119 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)
[2022-02-20 12:17:05,120 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-02-20 12:17:05,245 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s)
[2022-02-20 12:17:05,246 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:17:05,251 INFO  L263         TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 113 conjunts are in the unsatisfiable core
[2022-02-20 12:17:05,255 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:17:11,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 9023 backedges. 4510 proven. 4513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:11,373 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:17:12,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 9023 backedges. 2289 proven. 6734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:12,194 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101947867] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:17:12,194 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:17:12,195 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 114, 114] total 206
[2022-02-20 12:17:12,195 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759042478]
[2022-02-20 12:17:12,195 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:17:12,196 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 206 states
[2022-02-20 12:17:12,196 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:17:12,198 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants.
[2022-02-20 12:17:12,206 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7906, Invalid=34324, Unknown=0, NotChecked=0, Total=42230
[2022-02-20 12:17:12,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:17:12,206 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:17:12,207 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 206 states, 206 states have (on average 3.0970873786407767) internal successors, (638), 206 states have internal predecessors, (638), 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)
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:17:12,207 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:17:21,248 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1293 transitions and produced 856 states.
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:17:21,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:17:21,268 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2022-02-20 12:17:21,463 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,SelfDestructingSolverStorable11
[2022-02-20 12:17:21,464 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:17:21,464 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:17:21,464 INFO  L85        PathProgramCache]: Analyzing trace with hash -1253265300, now seen corresponding path program 13 times
[2022-02-20 12:17:21,464 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:17:21,464 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635685058]
[2022-02-20 12:17:21,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:17:21,464 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:17:21,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:17:24,800 INFO  L134       CoverageAnalysis]: Checked inductivity of 9693 backedges. 2428 proven. 7265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:24,800 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:17:24,800 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635685058]
[2022-02-20 12:17:24,800 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635685058] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:17:24,800 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252684469]
[2022-02-20 12:17:24,800 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-20 12:17:24,801 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:17:24,801 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:17:24,802 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)
[2022-02-20 12:17:24,804 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2022-02-20 12:17:24,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:17:24,908 INFO  L263         TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 117 conjunts are in the unsatisfiable core
[2022-02-20 12:17:24,913 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:17:30,669 INFO  L134       CoverageAnalysis]: Checked inductivity of 9693 backedges. 4845 proven. 4848 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:30,669 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:17:31,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 9693 backedges. 2428 proven. 7265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:31,185 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252684469] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:17:31,185 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:17:31,185 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [118, 118, 118] total 212
[2022-02-20 12:17:31,185 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601104510]
[2022-02-20 12:17:31,185 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:17:31,186 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 212 states
[2022-02-20 12:17:31,186 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:17:31,188 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants.
[2022-02-20 12:17:31,193 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8374, Invalid=36358, Unknown=0, NotChecked=0, Total=44732
[2022-02-20 12:17:31,193 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:17:31,193 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:17:31,194 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 212 states, 212 states have (on average 3.0943396226415096) internal successors, (656), 212 states have internal predecessors, (656), 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)
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:17:31,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:17:39,378 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1333 transitions and produced 883 states.
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:17:39,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:17:39,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:17:39,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:17:39,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:17:39,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:17:39,398 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2022-02-20 12:17:39,583 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,SelfDestructingSolverStorable12
[2022-02-20 12:17:39,583 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:17:39,583 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:17:39,583 INFO  L85        PathProgramCache]: Analyzing trace with hash -1849642772, now seen corresponding path program 14 times
[2022-02-20 12:17:39,584 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:17:39,584 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525473993]
[2022-02-20 12:17:39,584 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:17:39,584 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:17:39,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:17:41,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 10387 backedges. 2579 proven. 7808 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:41,769 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:17:41,770 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525473993]
[2022-02-20 12:17:41,770 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525473993] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:17:41,770 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130710297]
[2022-02-20 12:17:41,770 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 12:17:41,770 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:17:41,770 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:17:41,771 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)
[2022-02-20 12:17:41,772 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2022-02-20 12:17:41,874 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 12:17:41,875 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:17:41,879 INFO  L263         TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 121 conjunts are in the unsatisfiable core
[2022-02-20 12:17:41,882 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:17:46,881 INFO  L134       CoverageAnalysis]: Checked inductivity of 10387 backedges. 5192 proven. 5195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:46,881 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:17:47,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 10387 backedges. 2579 proven. 7808 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:47,661 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130710297] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:17:47,661 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:17:47,661 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [122, 122, 122] total 218
[2022-02-20 12:17:47,662 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343734968]
[2022-02-20 12:17:47,662 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:17:47,662 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 218 states
[2022-02-20 12:17:47,662 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:17:47,664 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants.
[2022-02-20 12:17:47,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8858, Invalid=38448, Unknown=0, NotChecked=0, Total=47306
[2022-02-20 12:17:47,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:17:47,676 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:17:47,677 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 218 states, 218 states have (on average 3.091743119266055) internal successors, (674), 218 states have internal predecessors, (674), 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)
[2022-02-20 12:17:47,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:17:47,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:17:47,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:17:47,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:17:47,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:17:47,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:17:47,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:17:47,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:17:47,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:17:47,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:17:47,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:17:47,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:17:47,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:17:47,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:17:54,968 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1373 transitions and produced 910 states.
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:17:54,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:17:54,989 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2022-02-20 12:17:55,180 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:17:55,180 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:17:55,180 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:17:55,180 INFO  L85        PathProgramCache]: Analyzing trace with hash 1412280684, now seen corresponding path program 15 times
[2022-02-20 12:17:55,181 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:17:55,181 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202294813]
[2022-02-20 12:17:55,181 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:17:55,181 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:17:55,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:17:57,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 11105 backedges. 2742 proven. 8363 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:17:57,617 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:17:57,617 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202294813]
[2022-02-20 12:17:57,617 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202294813] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:17:57,617 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091251385]
[2022-02-20 12:17:57,617 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 12:17:57,617 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:17:57,617 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:17:57,618 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)
[2022-02-20 12:17:57,620 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2022-02-20 12:17:57,749 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 63 check-sat command(s)
[2022-02-20 12:17:57,749 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:17:57,753 INFO  L263         TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 125 conjunts are in the unsatisfiable core
[2022-02-20 12:17:57,757 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:18:02,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 11105 backedges. 5551 proven. 5554 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:02,751 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:18:03,548 INFO  L134       CoverageAnalysis]: Checked inductivity of 11105 backedges. 2742 proven. 8363 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:03,548 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091251385] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:18:03,549 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:18:03,549 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [126, 126, 126] total 224
[2022-02-20 12:18:03,549 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192841933]
[2022-02-20 12:18:03,549 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:18:03,550 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 224 states
[2022-02-20 12:18:03,550 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:18:03,552 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants.
[2022-02-20 12:18:03,557 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9358, Invalid=40594, Unknown=0, NotChecked=0, Total=49952
[2022-02-20 12:18:03,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:18:03,557 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:18:03,558 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 224 states, 224 states have (on average 3.0892857142857144) internal successors, (692), 224 states have internal predecessors, (692), 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)
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:18:03,558 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:18:14,359 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1413 transitions and produced 937 states.
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:18:14,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:18:14,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:18:14,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:18:14,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:18:14,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:18:14,378 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2022-02-20 12:18:14,572 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,SelfDestructingSolverStorable14
[2022-02-20 12:18:14,573 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:18:14,573 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:18:14,573 INFO  L85        PathProgramCache]: Analyzing trace with hash 264483308, now seen corresponding path program 16 times
[2022-02-20 12:18:14,573 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:18:14,573 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656903309]
[2022-02-20 12:18:14,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:18:14,573 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:18:14,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:18:18,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 11847 backedges. 2917 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:18,369 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:18:18,369 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656903309]
[2022-02-20 12:18:18,369 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656903309] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:18:18,369 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837905513]
[2022-02-20 12:18:18,369 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-20 12:18:18,369 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:18:18,369 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:18:18,370 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)
[2022-02-20 12:18:18,371 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2022-02-20 12:18:18,473 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-20 12:18:18,473 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:18:18,476 INFO  L263         TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 129 conjunts are in the unsatisfiable core
[2022-02-20 12:18:18,480 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:18:24,970 INFO  L134       CoverageAnalysis]: Checked inductivity of 11847 backedges. 5922 proven. 5925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:24,971 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:18:25,680 INFO  L134       CoverageAnalysis]: Checked inductivity of 11847 backedges. 2917 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:25,682 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [837905513] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:18:25,682 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:18:25,682 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 130, 130] total 230
[2022-02-20 12:18:25,682 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044076600]
[2022-02-20 12:18:25,682 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:18:25,683 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 230 states
[2022-02-20 12:18:25,683 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:18:25,686 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants.
[2022-02-20 12:18:25,692 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9874, Invalid=42796, Unknown=0, NotChecked=0, Total=52670
[2022-02-20 12:18:25,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:18:25,699 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:18:25,700 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 230 states, 230 states have (on average 3.0869565217391304) internal successors, (710), 230 states have internal predecessors, (710), 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)
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:18:25,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:18:25,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:18:25,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:18:25,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:18:25,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:18:25,701 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:18:35,044 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1453 transitions and produced 964 states.
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:18:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:18:35,046 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:18:35,063 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2022-02-20 12:18:35,262 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,SelfDestructingSolverStorable15
[2022-02-20 12:18:35,263 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:18:35,263 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:18:35,263 INFO  L85        PathProgramCache]: Analyzing trace with hash 1270002284, now seen corresponding path program 17 times
[2022-02-20 12:18:35,263 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:18:35,263 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291501701]
[2022-02-20 12:18:35,263 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:18:35,263 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:18:35,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:18:38,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 12613 backedges. 3104 proven. 9509 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:38,680 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:18:38,680 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291501701]
[2022-02-20 12:18:38,680 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291501701] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:18:38,680 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026957733]
[2022-02-20 12:18:38,680 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-20 12:18:38,680 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:18:38,680 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:18:38,681 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)
[2022-02-20 12:18:38,682 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2022-02-20 12:18:38,809 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s)
[2022-02-20 12:18:38,809 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:18:38,815 INFO  L263         TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 133 conjunts are in the unsatisfiable core
[2022-02-20 12:18:38,819 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:18:44,082 INFO  L134       CoverageAnalysis]: Checked inductivity of 12613 backedges. 6305 proven. 6308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:44,082 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:18:44,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 12613 backedges. 3104 proven. 9509 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:44,758 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026957733] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:18:44,758 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:18:44,758 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 134, 134] total 236
[2022-02-20 12:18:44,758 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431899943]
[2022-02-20 12:18:44,758 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:18:44,759 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 236 states
[2022-02-20 12:18:44,759 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:18:44,761 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants.
[2022-02-20 12:18:44,773 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10406, Invalid=45054, Unknown=0, NotChecked=0, Total=55460
[2022-02-20 12:18:44,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:18:44,773 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:18:44,774 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 236 states, 236 states have (on average 3.0847457627118646) internal successors, (728), 236 states have internal predecessors, (728), 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)
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:18:44,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:18:54,478 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1493 transitions and produced 991 states.
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:18:54,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:18:54,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:18:54,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:18:54,498 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0
[2022-02-20 12:18:54,685 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-02-20 12:18:54,685 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:18:54,686 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:18:54,686 INFO  L85        PathProgramCache]: Analyzing trace with hash 53129964, now seen corresponding path program 18 times
[2022-02-20 12:18:54,686 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:18:54,686 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093664191]
[2022-02-20 12:18:54,686 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:18:54,686 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:18:54,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:18:58,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 13403 backedges. 3303 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:18:58,123 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:18:58,123 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093664191]
[2022-02-20 12:18:58,123 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093664191] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:18:58,123 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82462617]
[2022-02-20 12:18:58,123 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-20 12:18:58,123 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:18:58,123 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:18:58,124 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)
[2022-02-20 12:18:58,126 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2022-02-20 12:18:58,329 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 69 check-sat command(s)
[2022-02-20 12:18:58,329 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:18:58,334 INFO  L263         TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 137 conjunts are in the unsatisfiable core
[2022-02-20 12:18:58,338 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:19:05,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 13403 backedges. 6700 proven. 6703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:05,161 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:19:05,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 13403 backedges. 3303 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:05,891 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [82462617] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:19:05,891 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:19:05,891 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138, 138] total 242
[2022-02-20 12:19:05,892 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924685682]
[2022-02-20 12:19:05,892 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:19:05,893 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 242 states
[2022-02-20 12:19:05,893 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:19:05,896 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants.
[2022-02-20 12:19:05,904 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10954, Invalid=47368, Unknown=0, NotChecked=0, Total=58322
[2022-02-20 12:19:05,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:19:05,904 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:19:05,905 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 242 states, 242 states have (on average 3.0826446280991737) internal successors, (746), 242 states have internal predecessors, (746), 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)
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:19:05,905 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:19:05,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:19:16,292 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1533 transitions and produced 1018 states.
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:19:16,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:19:16,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:19:16,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:19:16,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:19:16,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:19:16,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:19:16,336 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2022-02-20 12:19:16,507 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2022-02-20 12:19:16,507 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:19:16,508 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:19:16,508 INFO  L85        PathProgramCache]: Analyzing trace with hash -1520716948, now seen corresponding path program 19 times
[2022-02-20 12:19:16,508 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:19:16,508 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802023111]
[2022-02-20 12:19:16,508 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:19:16,508 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:19:16,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:19:20,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 14217 backedges. 3514 proven. 10703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:20,876 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:19:20,876 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802023111]
[2022-02-20 12:19:20,876 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802023111] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:19:20,876 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411842036]
[2022-02-20 12:19:20,876 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-20 12:19:20,876 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:19:20,876 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:19:20,877 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)
[2022-02-20 12:19:20,880 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2022-02-20 12:19:20,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:19:20,986 INFO  L263         TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 141 conjunts are in the unsatisfiable core
[2022-02-20 12:19:20,990 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:19:28,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 14217 backedges. 7107 proven. 7110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:28,558 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:19:29,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 14217 backedges. 3514 proven. 10703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:29,503 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411842036] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:19:29,503 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:19:29,503 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 142, 142] total 248
[2022-02-20 12:19:29,503 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333196154]
[2022-02-20 12:19:29,504 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:19:29,504 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 248 states
[2022-02-20 12:19:29,504 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:19:29,507 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants.
[2022-02-20 12:19:29,517 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11518, Invalid=49738, Unknown=0, NotChecked=0, Total=61256
[2022-02-20 12:19:29,517 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:19:29,517 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:19:29,518 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 248 states, 248 states have (on average 3.0806451612903225) internal successors, (764), 248 states have internal predecessors, (764), 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)
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:19:29,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:19:29,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:19:29,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:19:29,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:19:29,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:19:29,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:19:29,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:19:40,917 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1573 transitions and produced 1045 states.
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:19:40,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:19:40,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:19:40,936 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0
[2022-02-20 12:19:41,135 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:19:41,136 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:19:41,136 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:19:41,136 INFO  L85        PathProgramCache]: Analyzing trace with hash 360035308, now seen corresponding path program 20 times
[2022-02-20 12:19:41,136 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:19:41,136 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774993662]
[2022-02-20 12:19:41,136 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:19:41,136 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:19:41,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:19:44,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 15055 backedges. 3737 proven. 11318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:44,320 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:19:44,320 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774993662]
[2022-02-20 12:19:44,320 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774993662] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:19:44,320 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091125193]
[2022-02-20 12:19:44,320 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 12:19:44,320 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:19:44,320 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:19:44,321 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)
[2022-02-20 12:19:44,322 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2022-02-20 12:19:44,428 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 12:19:44,428 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:19:44,435 INFO  L263         TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 145 conjunts are in the unsatisfiable core
[2022-02-20 12:19:44,441 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:19:51,876 INFO  L134       CoverageAnalysis]: Checked inductivity of 15055 backedges. 7526 proven. 7529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:51,876 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:19:52,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 15055 backedges. 3737 proven. 11318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:19:52,711 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091125193] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:19:52,711 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:19:52,711 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [146, 146, 146] total 254
[2022-02-20 12:19:52,711 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085182280]
[2022-02-20 12:19:52,711 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:19:52,712 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 254 states
[2022-02-20 12:19:52,712 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:19:52,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants.
[2022-02-20 12:19:52,723 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12098, Invalid=52164, Unknown=0, NotChecked=0, Total=64262
[2022-02-20 12:19:52,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:19:52,724 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:19:52,724 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 254 states, 254 states have (on average 3.078740157480315) internal successors, (782), 254 states have internal predecessors, (782), 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)
[2022-02-20 12:19:52,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:19:52,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:19:52,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:19:52,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:19:52,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:20:03,065 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1613 transitions and produced 1072 states.
[2022-02-20 12:20:03,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:20:03,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:20:03,075 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:20:03,095 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0
[2022-02-20 12:20:03,293 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:20:03,294 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:20:03,294 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:20:03,294 INFO  L85        PathProgramCache]: Analyzing trace with hash -1431784340, now seen corresponding path program 21 times
[2022-02-20 12:20:03,294 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:20:03,294 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149696695]
[2022-02-20 12:20:03,294 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:20:03,294 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:20:03,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:20:06,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 15917 backedges. 3972 proven. 11945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:20:06,809 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:20:06,809 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149696695]
[2022-02-20 12:20:06,810 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149696695] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:20:06,810 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922135691]
[2022-02-20 12:20:06,810 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 12:20:06,810 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:20:06,810 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:20:06,811 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)
[2022-02-20 12:20:06,812 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2022-02-20 12:20:06,985 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 75 check-sat command(s)
[2022-02-20 12:20:06,985 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:20:06,992 INFO  L263         TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 149 conjunts are in the unsatisfiable core
[2022-02-20 12:20:06,996 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:20:15,796 INFO  L134       CoverageAnalysis]: Checked inductivity of 15917 backedges. 7957 proven. 7960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:20:15,796 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:20:16,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 15917 backedges. 3972 proven. 11945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:20:16,838 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922135691] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:20:16,838 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:20:16,839 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [150, 150, 150] total 260
[2022-02-20 12:20:16,839 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362429277]
[2022-02-20 12:20:16,839 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:20:16,840 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 260 states
[2022-02-20 12:20:16,840 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:20:16,844 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants.
[2022-02-20 12:20:16,863 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12694, Invalid=54646, Unknown=0, NotChecked=0, Total=67340
[2022-02-20 12:20:16,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:20:16,863 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:20:16,864 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 260 states, 260 states have (on average 3.076923076923077) internal successors, (800), 260 states have internal predecessors, (800), 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)
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:20:16,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:20:16,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:20:29,079 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1653 transitions and produced 1099 states.
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:20:29,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:20:29,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:20:29,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:20:29,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:20:29,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:20:29,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:20:29,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:20:29,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:20:29,104 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2022-02-20 12:20:29,301 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:20:29,302 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:20:29,302 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:20:29,302 INFO  L85        PathProgramCache]: Analyzing trace with hash 807711980, now seen corresponding path program 22 times
[2022-02-20 12:20:29,302 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:20:29,302 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594266834]
[2022-02-20 12:20:29,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:20:29,302 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:20:29,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:20:34,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 16803 backedges. 4219 proven. 12584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:20:34,233 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:20:34,233 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594266834]
[2022-02-20 12:20:34,233 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594266834] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:20:34,234 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421273286]
[2022-02-20 12:20:34,234 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-20 12:20:34,234 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:20:34,234 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:20:34,236 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)
[2022-02-20 12:20:34,237 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2022-02-20 12:20:34,349 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-20 12:20:34,349 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:20:34,354 INFO  L263         TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 153 conjunts are in the unsatisfiable core
[2022-02-20 12:20:34,358 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:20:42,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 16803 backedges. 8400 proven. 8403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:20:42,008 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:20:42,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 16803 backedges. 4219 proven. 12584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:20:42,638 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [421273286] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:20:42,638 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:20:42,638 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [154, 154, 154] total 266
[2022-02-20 12:20:42,638 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038209799]
[2022-02-20 12:20:42,638 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:20:42,639 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 266 states
[2022-02-20 12:20:42,639 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:20:42,642 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 266 interpolants.
[2022-02-20 12:20:42,650 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13306, Invalid=57184, Unknown=0, NotChecked=0, Total=70490
[2022-02-20 12:20:42,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:20:42,650 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:20:42,651 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 266 states, 266 states have (on average 3.075187969924812) internal successors, (818), 266 states have internal predecessors, (818), 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)
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:20:42,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:20:42,652 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:20:54,182 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1693 transitions and produced 1126 states.
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:20:54,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:20:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:20:54,200 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0
[2022-02-20 12:20:54,400 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:20:54,400 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:20:54,400 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:20:54,400 INFO  L85        PathProgramCache]: Analyzing trace with hash -451299988, now seen corresponding path program 23 times
[2022-02-20 12:20:54,400 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:20:54,400 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004521897]
[2022-02-20 12:20:54,400 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:20:54,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:20:54,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:20:59,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 17713 backedges. 4478 proven. 13235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:20:59,827 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:20:59,827 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004521897]
[2022-02-20 12:20:59,827 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004521897] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:20:59,827 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467114158]
[2022-02-20 12:20:59,827 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-20 12:20:59,827 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:20:59,827 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:20:59,829 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)
[2022-02-20 12:20:59,829 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2022-02-20 12:20:59,991 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 79 check-sat command(s)
[2022-02-20 12:20:59,991 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:21:00,000 INFO  L263         TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 157 conjunts are in the unsatisfiable core
[2022-02-20 12:21:00,007 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:21:07,028 INFO  L134       CoverageAnalysis]: Checked inductivity of 17713 backedges. 8855 proven. 8858 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:07,028 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:21:07,614 INFO  L134       CoverageAnalysis]: Checked inductivity of 17713 backedges. 4478 proven. 13235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:07,614 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467114158] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:21:07,614 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:21:07,614 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [158, 158, 158] total 272
[2022-02-20 12:21:07,615 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040209309]
[2022-02-20 12:21:07,615 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:21:07,615 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 272 states
[2022-02-20 12:21:07,615 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:21:07,618 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 272 interpolants.
[2022-02-20 12:21:07,623 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13934, Invalid=59778, Unknown=0, NotChecked=0, Total=73712
[2022-02-20 12:21:07,623 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:21:07,623 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:21:07,624 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 272 states, 272 states have (on average 3.073529411764706) internal successors, (836), 272 states have internal predecessors, (836), 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)
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:21:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:21:07,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:21:19,461 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1733 transitions and produced 1153 states.
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:21:19,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:21:19,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:21:19,482 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0
[2022-02-20 12:21:19,679 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:21:19,680 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:21:19,680 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:21:19,680 INFO  L85        PathProgramCache]: Analyzing trace with hash 2092414444, now seen corresponding path program 24 times
[2022-02-20 12:21:19,680 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:21:19,680 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212207602]
[2022-02-20 12:21:19,680 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:21:19,680 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:21:19,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:21:23,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 18647 backedges. 4749 proven. 13898 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:23,761 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:21:23,761 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212207602]
[2022-02-20 12:21:23,761 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212207602] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:21:23,761 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865863968]
[2022-02-20 12:21:23,761 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-20 12:21:23,761 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:21:23,762 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:21:23,763 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)
[2022-02-20 12:21:23,766 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2022-02-20 12:21:23,938 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 81 check-sat command(s)
[2022-02-20 12:21:23,938 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:21:23,944 INFO  L263         TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 161 conjunts are in the unsatisfiable core
[2022-02-20 12:21:23,948 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:21:33,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 18647 backedges. 9322 proven. 9325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:33,197 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:21:33,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 18647 backedges. 4749 proven. 13898 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:33,900 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865863968] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:21:33,900 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:21:33,900 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [162, 162, 162] total 278
[2022-02-20 12:21:33,900 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359427884]
[2022-02-20 12:21:33,900 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:21:33,901 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 278 states
[2022-02-20 12:21:33,901 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:21:33,903 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants.
[2022-02-20 12:21:33,905 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14578, Invalid=62428, Unknown=0, NotChecked=0, Total=77006
[2022-02-20 12:21:33,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:21:33,905 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:21:33,906 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 278 states, 278 states have (on average 3.0719424460431655) internal successors, (854), 278 states have internal predecessors, (854), 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)
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:21:33,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:21:47,075 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1773 transitions and produced 1180 states.
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:21:47,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:21:47,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:21:47,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:21:47,095 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0
[2022-02-20 12:21:47,278 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:21:47,279 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:21:47,279 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:21:47,280 INFO  L85        PathProgramCache]: Analyzing trace with hash 506377836, now seen corresponding path program 25 times
[2022-02-20 12:21:47,280 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:21:47,280 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517269758]
[2022-02-20 12:21:47,280 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:21:47,280 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:21:47,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:21:52,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 19605 backedges. 5032 proven. 14573 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:52,030 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:21:52,030 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517269758]
[2022-02-20 12:21:52,030 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517269758] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:21:52,030 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346538418]
[2022-02-20 12:21:52,030 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-20 12:21:52,030 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:21:52,030 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:21:52,031 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)
[2022-02-20 12:21:52,035 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process
[2022-02-20 12:21:52,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:21:52,161 INFO  L263         TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 165 conjunts are in the unsatisfiable core
[2022-02-20 12:21:52,165 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:21:58,421 INFO  L134       CoverageAnalysis]: Checked inductivity of 19605 backedges. 9801 proven. 9804 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:58,421 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:21:59,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 19605 backedges. 5032 proven. 14573 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:21:59,504 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346538418] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:21:59,504 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:21:59,504 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [166, 166, 166] total 284
[2022-02-20 12:21:59,504 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264302083]
[2022-02-20 12:21:59,504 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:21:59,505 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 284 states
[2022-02-20 12:21:59,505 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:21:59,508 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 284 interpolants.
[2022-02-20 12:21:59,517 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15238, Invalid=65134, Unknown=0, NotChecked=0, Total=80372
[2022-02-20 12:21:59,517 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:21:59,517 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:21:59,518 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 284 states, 284 states have (on average 3.0704225352112675) internal successors, (872), 284 states have internal predecessors, (872), 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)
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:21:59,518 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:21:59,519 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:22:14,150 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1813 transitions and produced 1207 states.
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:22:14,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:22:14,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:22:14,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:22:14,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:22:14,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:22:14,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:22:14,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:22:14,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:22:14,169 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0
[2022-02-20 12:22:14,367 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,SelfDestructingSolverStorable24
[2022-02-20 12:22:14,367 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:22:14,367 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:22:14,368 INFO  L85        PathProgramCache]: Analyzing trace with hash 1689171692, now seen corresponding path program 26 times
[2022-02-20 12:22:14,368 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:22:14,368 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41861501]
[2022-02-20 12:22:14,368 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:22:14,368 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:22:14,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:22:20,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 20587 backedges. 5327 proven. 15260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:22:20,801 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:22:20,801 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41861501]
[2022-02-20 12:22:20,801 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41861501] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:22:20,801 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517272512]
[2022-02-20 12:22:20,801 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 12:22:20,801 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:22:20,802 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:22:20,802 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)
[2022-02-20 12:22:20,803 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process
[2022-02-20 12:22:20,936 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 12:22:20,936 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:22:20,941 INFO  L263         TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 169 conjunts are in the unsatisfiable core
[2022-02-20 12:22:20,945 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:22:27,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 20587 backedges. 10292 proven. 10295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:22:27,965 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:22:28,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 20587 backedges. 5327 proven. 15260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:22:28,659 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517272512] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:22:28,659 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:22:28,659 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [170, 170, 170] total 290
[2022-02-20 12:22:28,660 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757389006]
[2022-02-20 12:22:28,660 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:22:28,661 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 290 states
[2022-02-20 12:22:28,661 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:22:28,665 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 290 interpolants.
[2022-02-20 12:22:28,677 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15914, Invalid=67896, Unknown=0, NotChecked=0, Total=83810
[2022-02-20 12:22:28,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:22:28,677 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:22:28,678 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 290 states, 290 states have (on average 3.0689655172413794) internal successors, (890), 290 states have internal predecessors, (890), 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)
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:22:28,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:22:28,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:22:42,413 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1853 transitions and produced 1234 states.
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:22:42,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:22:42,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:22:42,433 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0
[2022-02-20 12:22:42,622 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,SelfDestructingSolverStorable25
[2022-02-20 12:22:42,624 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:22:42,624 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:22:42,624 INFO  L85        PathProgramCache]: Analyzing trace with hash 1600632684, now seen corresponding path program 27 times
[2022-02-20 12:22:42,624 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:22:42,625 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223457653]
[2022-02-20 12:22:42,625 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:22:42,625 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:22:42,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:22:48,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 21593 backedges. 5634 proven. 15959 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:22:48,735 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:22:48,735 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223457653]
[2022-02-20 12:22:48,735 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223457653] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:22:48,735 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198824312]
[2022-02-20 12:22:48,735 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 12:22:48,736 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:22:48,736 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:22:48,737 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)
[2022-02-20 12:22:48,739 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process
[2022-02-20 12:22:48,932 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 87 check-sat command(s)
[2022-02-20 12:22:48,932 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:22:48,939 INFO  L263         TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 173 conjunts are in the unsatisfiable core
[2022-02-20 12:22:48,943 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:22:57,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 21593 backedges. 10795 proven. 10798 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:22:57,520 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:22:58,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 21593 backedges. 5634 proven. 15959 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:22:58,558 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198824312] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:22:58,558 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:22:58,558 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [174, 174, 174] total 296
[2022-02-20 12:22:58,558 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578511168]
[2022-02-20 12:22:58,558 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:22:58,560 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 296 states
[2022-02-20 12:22:58,560 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:22:58,564 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 296 interpolants.
[2022-02-20 12:22:58,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16606, Invalid=70714, Unknown=0, NotChecked=0, Total=87320
[2022-02-20 12:22:58,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:22:58,574 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:22:58,575 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 296 states, 296 states have (on average 3.0675675675675675) internal successors, (908), 296 states have internal predecessors, (908), 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)
[2022-02-20 12:22:58,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:22:58,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:22:58,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:22:58,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:22:58,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:22:58,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:22:58,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:22:58,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:22:58,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:23:13,496 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1893 transitions and produced 1261 states.
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:23:13,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:23:13,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:23:13,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:23:13,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:23:13,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:23:13,518 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0
[2022-02-20 12:23:13,701 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,SelfDestructingSolverStorable26
[2022-02-20 12:23:13,702 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:23:13,702 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:23:13,702 INFO  L85        PathProgramCache]: Analyzing trace with hash -1853245460, now seen corresponding path program 28 times
[2022-02-20 12:23:13,702 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:23:13,702 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059185082]
[2022-02-20 12:23:13,702 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:23:13,702 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:23:13,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:23:19,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 22623 backedges. 5953 proven. 16670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:23:19,869 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:23:19,869 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059185082]
[2022-02-20 12:23:19,869 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059185082] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:23:19,869 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673501186]
[2022-02-20 12:23:19,869 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-20 12:23:19,869 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:23:19,869 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:23:19,870 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)
[2022-02-20 12:23:19,871 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process
[2022-02-20 12:23:20,009 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-20 12:23:20,009 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:23:20,015 INFO  L263         TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 177 conjunts are in the unsatisfiable core
[2022-02-20 12:23:20,020 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:23:27,600 INFO  L134       CoverageAnalysis]: Checked inductivity of 22623 backedges. 11310 proven. 11313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:23:27,600 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:23:28,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 22623 backedges. 5953 proven. 16670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:23:28,767 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [673501186] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:23:28,767 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:23:28,767 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [178, 178, 178] total 302
[2022-02-20 12:23:28,767 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272087467]
[2022-02-20 12:23:28,767 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:23:28,768 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 302 states
[2022-02-20 12:23:28,768 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:23:28,770 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 302 interpolants.
[2022-02-20 12:23:28,772 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17314, Invalid=73588, Unknown=0, NotChecked=0, Total=90902
[2022-02-20 12:23:28,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:23:28,772 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:23:28,773 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 302 states, 302 states have (on average 3.066225165562914) internal successors, (926), 302 states have internal predecessors, (926), 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)
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:23:28,773 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:23:28,774 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:23:43,983 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1933 transitions and produced 1288 states.
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:23:43,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:23:43,985 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:23:44,004 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0
[2022-02-20 12:23:44,203 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2022-02-20 12:23:44,204 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:23:44,204 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:23:44,204 INFO  L85        PathProgramCache]: Analyzing trace with hash -230377364, now seen corresponding path program 29 times
[2022-02-20 12:23:44,204 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:23:44,204 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852765666]
[2022-02-20 12:23:44,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:23:44,204 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:23:44,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:23:49,701 INFO  L134       CoverageAnalysis]: Checked inductivity of 23677 backedges. 6284 proven. 17393 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:23:49,702 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:23:49,702 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852765666]
[2022-02-20 12:23:49,702 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852765666] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:23:49,702 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775806269]
[2022-02-20 12:23:49,702 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-20 12:23:49,702 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:23:49,702 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:23:49,703 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)
[2022-02-20 12:23:49,705 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process
[2022-02-20 12:23:49,889 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 91 check-sat command(s)
[2022-02-20 12:23:49,889 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:23:49,898 INFO  L263         TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 181 conjunts are in the unsatisfiable core
[2022-02-20 12:23:49,903 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:23:58,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 23677 backedges. 11837 proven. 11840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:23:58,570 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:23:59,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 23677 backedges. 6284 proven. 17393 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:23:59,480 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [775806269] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:23:59,480 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:23:59,480 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [182, 182, 182] total 308
[2022-02-20 12:23:59,480 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975547387]
[2022-02-20 12:23:59,480 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:23:59,481 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 308 states
[2022-02-20 12:23:59,481 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:23:59,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 308 interpolants.
[2022-02-20 12:23:59,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18038, Invalid=76518, Unknown=0, NotChecked=0, Total=94556
[2022-02-20 12:23:59,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:23:59,498 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:23:59,498 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 308 states, 308 states have (on average 3.064935064935065) internal successors, (944), 308 states have internal predecessors, (944), 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)
[2022-02-20 12:23:59,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:23:59,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:23:59,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:23:59,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:23:59,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:23:59,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:24:16,659 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1973 transitions and produced 1315 states.
[2022-02-20 12:24:16,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:24:16,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:24:16,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:24:16,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:24:16,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:24:16,680 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0
[2022-02-20 12:24:16,876 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2022-02-20 12:24:16,876 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:24:16,876 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:24:16,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -322389780, now seen corresponding path program 30 times
[2022-02-20 12:24:16,877 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:24:16,877 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429055282]
[2022-02-20 12:24:16,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:24:16,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:24:16,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:24:23,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 24755 backedges. 6627 proven. 18128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:24:23,649 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:24:23,649 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429055282]
[2022-02-20 12:24:23,649 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429055282] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:24:23,649 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552335226]
[2022-02-20 12:24:23,649 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-20 12:24:23,650 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:24:23,650 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:24:23,650 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)
[2022-02-20 12:24:23,652 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process
[2022-02-20 12:24:23,846 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 93 check-sat command(s)
[2022-02-20 12:24:23,846 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:24:23,853 INFO  L263         TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 185 conjunts are in the unsatisfiable core
[2022-02-20 12:24:23,857 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:24:32,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 24755 backedges. 12376 proven. 12379 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:24:32,469 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:24:33,617 INFO  L134       CoverageAnalysis]: Checked inductivity of 24755 backedges. 6627 proven. 18128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:24:33,618 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552335226] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:24:33,618 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:24:33,618 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [186, 186, 186] total 314
[2022-02-20 12:24:33,618 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854371319]
[2022-02-20 12:24:33,618 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:24:33,619 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 314 states
[2022-02-20 12:24:33,619 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:24:33,621 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 314 interpolants.
[2022-02-20 12:24:33,624 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18778, Invalid=79504, Unknown=0, NotChecked=0, Total=98282
[2022-02-20 12:24:33,624 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:24:33,624 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:24:33,625 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 314 states, 314 states have (on average 3.0636942675159236) internal successors, (962), 314 states have internal predecessors, (962), 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)
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:24:33,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:24:33,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:24:51,348 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2013 transitions and produced 1342 states.
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:24:51,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:24:51,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:24:51,369 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0
[2022-02-20 12:24:51,551 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:24:51,552 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:24:51,552 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:24:51,552 INFO  L85        PathProgramCache]: Analyzing trace with hash 1615182188, now seen corresponding path program 31 times
[2022-02-20 12:24:51,552 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:24:51,552 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473301771]
[2022-02-20 12:24:51,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:24:51,552 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:24:51,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:24:57,673 INFO  L134       CoverageAnalysis]: Checked inductivity of 25857 backedges. 6982 proven. 18875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:24:57,674 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:24:57,674 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473301771]
[2022-02-20 12:24:57,674 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473301771] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:24:57,674 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684520810]
[2022-02-20 12:24:57,674 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-20 12:24:57,674 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:24:57,674 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:24:57,675 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)
[2022-02-20 12:24:57,676 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process
[2022-02-20 12:24:57,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:24:57,814 INFO  L263         TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 189 conjunts are in the unsatisfiable core
[2022-02-20 12:24:57,819 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:25:06,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 25857 backedges. 12927 proven. 12930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:25:06,389 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:25:07,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 25857 backedges. 6982 proven. 18875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:25:07,292 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684520810] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:25:07,292 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:25:07,292 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [190, 190, 190] total 320
[2022-02-20 12:25:07,292 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792459099]
[2022-02-20 12:25:07,292 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:25:07,293 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 320 states
[2022-02-20 12:25:07,293 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:25:07,297 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 320 interpolants.
[2022-02-20 12:25:07,306 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19534, Invalid=82546, Unknown=0, NotChecked=0, Total=102080
[2022-02-20 12:25:07,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:25:07,306 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:25:07,307 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 320 states, 320 states have (on average 3.0625) internal successors, (980), 320 states have internal predecessors, (980), 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)
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:25:07,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:25:07,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:25:25,375 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2053 transitions and produced 1369 states.
[2022-02-20 12:25:25,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:25:25,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:25:25,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:25:25,394 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0
[2022-02-20 12:25:25,580 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:25:25,581 INFO  L402      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:25:25,581 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:25:25,581 INFO  L85        PathProgramCache]: Analyzing trace with hash -1611941396, now seen corresponding path program 32 times
[2022-02-20 12:25:25,581 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:25:25,581 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657440805]
[2022-02-20 12:25:25,581 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:25:25,581 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:25:25,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:25:33,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 26983 backedges. 7349 proven. 19634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:25:33,504 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:25:33,504 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657440805]
[2022-02-20 12:25:33,504 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657440805] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:25:33,504 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659094467]
[2022-02-20 12:25:33,504 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 12:25:33,504 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:25:33,504 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:25:33,505 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)
[2022-02-20 12:25:33,506 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process
[2022-02-20 12:25:33,648 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 12:25:33,649 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:25:33,655 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 193 conjunts are in the unsatisfiable core
[2022-02-20 12:25:33,659 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:25:41,858 INFO  L134       CoverageAnalysis]: Checked inductivity of 26983 backedges. 13490 proven. 13493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:25:41,858 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:25:43,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 26983 backedges. 7349 proven. 19634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:25:43,000 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659094467] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:25:43,000 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:25:43,000 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [194, 194, 194] total 326
[2022-02-20 12:25:43,000 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988325143]
[2022-02-20 12:25:43,000 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:25:43,001 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 326 states
[2022-02-20 12:25:43,001 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:25:43,006 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 326 interpolants.
[2022-02-20 12:25:43,019 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20306, Invalid=85644, Unknown=0, NotChecked=0, Total=105950
[2022-02-20 12:25:43,019 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:25:43,019 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:25:43,020 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 326 states, 326 states have (on average 3.061349693251534) internal successors, (998), 326 states have internal predecessors, (998), 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)
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:25:43,020 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:25:43,021 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:26:01,877 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2093 transitions and produced 1396 states.
[2022-02-20 12:26:01,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:26:01,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:26:01,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:26:01,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:26:01,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:26:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:26:01,879 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:26:01,896 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0
[2022-02-20 12:26:02,092 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:26:02,092 INFO  L402      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:26:02,092 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:26:02,092 INFO  L85        PathProgramCache]: Analyzing trace with hash 1927985772, now seen corresponding path program 33 times
[2022-02-20 12:26:02,093 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:26:02,093 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566678567]
[2022-02-20 12:26:02,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:26:02,093 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:26:02,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:26:09,223 INFO  L134       CoverageAnalysis]: Checked inductivity of 28133 backedges. 7728 proven. 20405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:26:09,223 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:26:09,223 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566678567]
[2022-02-20 12:26:09,223 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566678567] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:26:09,225 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962632555]
[2022-02-20 12:26:09,225 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 12:26:09,225 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:26:09,225 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:26:09,226 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)
[2022-02-20 12:26:09,227 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process
[2022-02-20 12:26:09,460 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 99 check-sat command(s)
[2022-02-20 12:26:09,461 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:26:09,470 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 197 conjunts are in the unsatisfiable core
[2022-02-20 12:26:09,474 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:26:20,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 28133 backedges. 14065 proven. 14068 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:26:20,447 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:26:21,709 INFO  L134       CoverageAnalysis]: Checked inductivity of 28133 backedges. 7728 proven. 20405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:26:21,709 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [962632555] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:26:21,709 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:26:21,709 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [198, 198, 198] total 332
[2022-02-20 12:26:21,709 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691745355]
[2022-02-20 12:26:21,709 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:26:21,710 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 332 states
[2022-02-20 12:26:21,710 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:26:21,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 332 interpolants.
[2022-02-20 12:26:21,728 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21094, Invalid=88798, Unknown=0, NotChecked=0, Total=109892
[2022-02-20 12:26:21,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:26:21,728 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:26:21,728 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 332 states, 332 states have (on average 3.0602409638554215) internal successors, (1016), 332 states have internal predecessors, (1016), 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)
[2022-02-20 12:26:21,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:26:21,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:26:21,729 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:26:21,730 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:26:41,262 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2133 transitions and produced 1423 states.
[2022-02-20 12:26:41,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:26:41,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:26:41,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:26:41,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:26:41,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:26:41,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:26:41,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:26:41,281 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0
[2022-02-20 12:26:41,480 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,SelfDestructingSolverStorable32
[2022-02-20 12:26:41,481 INFO  L402      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:26:41,481 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:26:41,481 INFO  L85        PathProgramCache]: Analyzing trace with hash 343063276, now seen corresponding path program 34 times
[2022-02-20 12:26:41,481 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:26:41,481 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045727055]
[2022-02-20 12:26:41,481 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:26:41,481 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:26:41,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:26:50,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 29307 backedges. 8119 proven. 21188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:26:50,574 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:26:50,574 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045727055]
[2022-02-20 12:26:50,574 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045727055] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:26:50,574 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788538597]
[2022-02-20 12:26:50,574 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-20 12:26:50,574 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:26:50,574 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:26:50,575 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)
[2022-02-20 12:26:50,576 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process
[2022-02-20 12:26:50,734 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-20 12:26:50,734 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:26:50,739 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 201 conjunts are in the unsatisfiable core
[2022-02-20 12:26:50,744 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:27:02,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 29307 backedges. 14652 proven. 14655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:27:02,585 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:27:03,704 INFO  L134       CoverageAnalysis]: Checked inductivity of 29307 backedges. 8119 proven. 21188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:27:03,705 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788538597] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:27:03,705 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:27:03,705 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [202, 202, 202] total 338
[2022-02-20 12:27:03,705 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619877886]
[2022-02-20 12:27:03,705 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:27:03,706 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 338 states
[2022-02-20 12:27:03,706 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:27:03,711 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 338 interpolants.
[2022-02-20 12:27:03,723 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21898, Invalid=92008, Unknown=0, NotChecked=0, Total=113906
[2022-02-20 12:27:03,723 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:27:03,723 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:27:03,724 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 338 states, 338 states have (on average 3.059171597633136) internal successors, (1034), 338 states have internal predecessors, (1034), 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)
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:27:03,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:27:03,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:27:25,122 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2173 transitions and produced 1450 states.
[2022-02-20 12:27:25,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:27:25,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:27:25,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:27:25,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:27:25,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:27:25,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:27:25,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:27:25,124 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. 
[2022-02-20 12:27:25,140 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0
[2022-02-20 12:27:25,340 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:27:25,340 INFO  L402      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:27:25,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:27:25,341 INFO  L85        PathProgramCache]: Analyzing trace with hash 867416940, now seen corresponding path program 35 times
[2022-02-20 12:27:25,341 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:27:25,341 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907138231]
[2022-02-20 12:27:25,341 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:27:25,341 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:27:25,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:27:32,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 30505 backedges. 8522 proven. 21983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:27:32,761 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:27:32,761 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907138231]
[2022-02-20 12:27:32,761 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907138231] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:27:32,761 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171664917]
[2022-02-20 12:27:32,761 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-20 12:27:32,761 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:27:32,762 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:27:32,763 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)
[2022-02-20 12:27:32,763 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process
[2022-02-20 12:27:33,093 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 103 check-sat command(s)
[2022-02-20 12:27:33,093 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:27:33,105 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 205 conjunts are in the unsatisfiable core
[2022-02-20 12:27:33,109 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:27:44,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 30505 backedges. 15251 proven. 15254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:27:44,767 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:27:45,667 INFO  L134       CoverageAnalysis]: Checked inductivity of 30505 backedges. 8522 proven. 21983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:27:45,668 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171664917] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:27:45,668 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:27:45,668 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [206, 206, 206] total 344
[2022-02-20 12:27:45,668 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715809715]
[2022-02-20 12:27:45,668 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:27:45,669 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 344 states
[2022-02-20 12:27:45,669 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:27:45,674 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 344 interpolants.
[2022-02-20 12:27:45,684 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22718, Invalid=95274, Unknown=0, NotChecked=0, Total=117992
[2022-02-20 12:27:45,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:27:45,685 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:27:45,685 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 344 states, 344 states have (on average 3.058139534883721) internal successors, (1052), 344 states have internal predecessors, (1052), 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)
[2022-02-20 12:27:45,685 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:27:45,685 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:27:45,685 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:27:45,685 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:27:45,685 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:27:45,685 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:27:45,685 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:27:45,686 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:27:45,688 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:27:45,688 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:27:45,688 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:27:45,688 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:27:45,688 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:27:45,688 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. 
[2022-02-20 12:27:45,688 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:28:07,537 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2213 transitions and produced 1477 states.
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:28:07,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. 
[2022-02-20 12:28:07,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. 
[2022-02-20 12:28:07,556 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0
[2022-02-20 12:28:07,746 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,SelfDestructingSolverStorable34
[2022-02-20 12:28:07,746 INFO  L402      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:28:07,747 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:28:07,747 INFO  L85        PathProgramCache]: Analyzing trace with hash -203572244, now seen corresponding path program 36 times
[2022-02-20 12:28:07,747 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:28:07,747 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007999838]
[2022-02-20 12:28:07,747 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:28:07,747 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:28:07,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:28:15,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 31727 backedges. 8937 proven. 22790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:28:15,974 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:28:15,974 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007999838]
[2022-02-20 12:28:15,974 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007999838] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:28:15,974 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981426671]
[2022-02-20 12:28:15,974 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-20 12:28:15,974 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:28:15,974 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:28:15,975 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)
[2022-02-20 12:28:15,976 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process
[2022-02-20 12:28:16,203 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 105 check-sat command(s)
[2022-02-20 12:28:16,203 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 12:28:16,211 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 209 conjunts are in the unsatisfiable core
[2022-02-20 12:28:16,216 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:28:28,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 31727 backedges. 15862 proven. 15865 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:28:28,975 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:28:30,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 31727 backedges. 8937 proven. 22790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:28:30,124 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981426671] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:28:30,124 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:28:30,125 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [210, 210, 210] total 350
[2022-02-20 12:28:30,125 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645739625]
[2022-02-20 12:28:30,125 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:28:30,126 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 350 states
[2022-02-20 12:28:30,126 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:28:30,129 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 350 interpolants.
[2022-02-20 12:28:30,135 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23554, Invalid=98596, Unknown=0, NotChecked=0, Total=122150
[2022-02-20 12:28:30,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:28:30,135 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:28:30,136 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 350 states, 350 states have (on average 3.057142857142857) internal successors, (1070), 350 states have internal predecessors, (1070), 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)
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:28:30,136 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. 
[2022-02-20 12:28:30,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:28:52,714 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2253 transitions and produced 1504 states.
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:28:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. 
[2022-02-20 12:28:52,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. 
[2022-02-20 12:28:52,734 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0
[2022-02-20 12:28:52,931 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:28:52,931 INFO  L402      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 12:28:52,931 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 12:28:52,931 INFO  L85        PathProgramCache]: Analyzing trace with hash -333398932, now seen corresponding path program 37 times
[2022-02-20 12:28:52,931 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 12:28:52,931 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425348214]
[2022-02-20 12:28:52,931 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 12:28:52,931 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 12:28:53,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:29:03,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 32973 backedges. 9364 proven. 23609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:29:03,477 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 12:29:03,477 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425348214]
[2022-02-20 12:29:03,477 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425348214] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 12:29:03,477 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802591356]
[2022-02-20 12:29:03,477 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-20 12:29:03,477 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 12:29:03,477 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 12:29:03,478 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)
[2022-02-20 12:29:03,480 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process
[2022-02-20 12:29:03,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 12:29:03,640 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 213 conjunts are in the unsatisfiable core
[2022-02-20 12:29:03,645 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 12:29:14,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 32973 backedges. 16485 proven. 16488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:29:14,948 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 12:29:16,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 32973 backedges. 9364 proven. 23609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 12:29:16,127 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [802591356] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 12:29:16,127 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 12:29:16,127 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [214, 214, 214] total 356
[2022-02-20 12:29:16,127 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292581570]
[2022-02-20 12:29:16,127 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:29:16,128 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 356 states
[2022-02-20 12:29:16,128 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:29:16,133 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 356 interpolants.
[2022-02-20 12:29:16,149 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24406, Invalid=101974, Unknown=0, NotChecked=0, Total=126380
[2022-02-20 12:29:16,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 12:29:16,149 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:29:16,149 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 356 states, 356 states have (on average 3.056179775280899) internal successors, (1088), 356 states have internal predecessors, (1088), 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)
[2022-02-20 12:29:16,149 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. 
[2022-02-20 12:29:16,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. 
[2022-02-20 12:29:16,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. 
[2022-02-20 12:29:16,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. 
[2022-02-20 12:29:16,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. 
[2022-02-20 12:29:16,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. 
[2022-02-20 12:29:16,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. 
[2022-02-20 12:29:16,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Received shutdown request...
[2022-02-20 12:29:24,028 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0
[2022-02-20 12:29:24,032 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-20 12:29:24,032 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-20 12:29:24,032 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-20 12:29:24,213 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,SelfDestructingSolverStorable36
[2022-02-20 12:29:24,213 WARN  L594      AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal.
[2022-02-20 12:29:24,215 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining)
[2022-02-20 12:29:24,215 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-20 12:29:24,215 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-20 12:29:24,215 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-20 12:29:24,220 INFO  L732         BasicCegarLoop]: Path program histogram: [37]
[2022-02-20 12:29:24,221 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-20 12:29:24,221 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-20 12:29:24,222 INFO  L202        PluginConnector]: Adding new model multiply-verify.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:29:24 BasicIcfg
[2022-02-20 12:29:24,222 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-20 12:29:24,223 INFO  L158              Benchmark]: Toolchain (without parser) took 873945.78ms. Allocated memory was 187.7MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 149.9MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2022-02-20 12:29:24,223 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-20 12:29:24,236 INFO  L158              Benchmark]: Boogie Procedure Inliner took 18.90ms. Allocated memory is still 187.7MB. Free memory was 149.8MB in the beginning and 148.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-20 12:29:24,236 INFO  L158              Benchmark]: Boogie Preprocessor took 10.67ms. Allocated memory is still 187.7MB. Free memory was 148.3MB in the beginning and 147.4MB in the end (delta: 907.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-20 12:29:24,237 INFO  L158              Benchmark]: RCFGBuilder took 214.29ms. Allocated memory is still 187.7MB. Free memory was 147.2MB in the beginning and 138.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-20 12:29:24,237 INFO  L158              Benchmark]: TraceAbstraction took 873698.30ms. Allocated memory was 187.7MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 137.5MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2022-02-20 12:29:24,238 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 0.10ms. Allocated memory is still 187.7MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 18.90ms. Allocated memory is still 187.7MB. Free memory was 149.8MB in the beginning and 148.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 10.67ms. Allocated memory is still 187.7MB. Free memory was 148.3MB in the beginning and 147.4MB in the end (delta: 907.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 214.29ms. Allocated memory is still 187.7MB. Free memory was 147.2MB in the beginning and 138.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
 * TraceAbstraction took 873698.30ms. Allocated memory was 187.7MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 137.5MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 1.2GB. 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: 68]: Timeout (TraceAbstraction)
    Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal.
  - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal.
  - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal.
  - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal.
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 55 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873.6s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 37, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 424.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6209, 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: 0.8s SsaConstructionTime, 6.8s SatisfiabilityAnalysisTime, 432.1s InterpolantComputationTime, 31996 NumberOfCodeBlocks, 31979 NumberOfCodeBlocksAsserted, 1362 NumberOfCheckSat, 47715 ConstructedInterpolants, 0 QuantifiedInterpolants, 227665 SizeOfPredicates, 140 NumberOfNonLiveVariables, 26977 ConjunctsInSsa, 5025 ConjunctsInUnsatCore, 109 InterpolantComputations, 1 PerfectInterpolantSequences, 609584/1728568 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