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


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-10 00:34:40,003 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-10 00:34:40,115 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf
[2022-02-10 00:34:40,138 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-10 00:34:40,138 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-10 00:34:40,138 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-10 00:34:40,138 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-10 00:34:40,139 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-10 00:34:40,139 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-10 00:34:40,139 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-10 00:34:40,139 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-10 00:34:40,139 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-10 00:34:40,139 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-10 00:34:40,140 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-10 00:34:40,140 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-10 00:34:40,140 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-10 00:34:40,140 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-10 00:34:40,140 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-10 00:34:40,140 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-10 00:34:40,140 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-10 00:34:40,141 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-10 00:34:40,141 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-10 00:34:40,141 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-10 00:34:40,141 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-10 00:34:40,141 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-10 00:34:40,141 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-10 00:34:40,141 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-10 00:34:40,142 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-10 00:34:40,142 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 00:34:40,142 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-10 00:34:40,142 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-10 00:34:40,142 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-10 00:34:40,142 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-10 00:34:40,142 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-10 00:34:40,142 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-10 00:34:40,143 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-10 00:34:40,143 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-10 00:34:40,143 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-10 00:34:40,143 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-10 00:34:40,143 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-10 00:34:40,326 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-10 00:34:40,355 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-10 00:34:40,357 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-10 00:34:40,358 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-10 00:34:40,359 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-10 00:34:40,360 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl
[2022-02-10 00:34:40,360 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl'
[2022-02-10 00:34:40,379 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-10 00:34:40,380 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-10 00:34:40,383 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-10 00:34:40,383 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-10 00:34:40,384 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-10 00:34:40,394 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,400 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,404 INFO  L137                Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-10 00:34:40,405 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-10 00:34:40,406 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-10 00:34:40,406 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-10 00:34:40,407 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-10 00:34:40,412 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,412 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,413 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,414 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,420 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,422 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,423 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,427 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-10 00:34:40,428 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-10 00:34:40,429 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-10 00:34:40,429 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-10 00:34:40,430 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/1) ...
[2022-02-10 00:34:40,434 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 00:34:40,443 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:34:40,461 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)
[2022-02-10 00:34:40,478 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
[2022-02-10 00:34:40,487 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-10 00:34:40,488 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-10 00:34:40,488 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-10 00:34:40,488 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-10 00:34:40,488 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-10 00:34:40,488 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-10 00:34:40,488 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-10 00:34:40,488 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-10 00:34:40,488 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-10 00:34:40,488 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-10 00:34:40,488 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-10 00:34:40,489 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-10 00:34:40,489 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2022-02-10 00:34:40,489 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2022-02-10 00:34:40,489 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2022-02-10 00:34:40,489 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-10 00:34:40,533 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-10 00:34:40,535 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-10 00:34:40,685 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-10 00:34:40,697 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-10 00:34:40,698 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-10 00:34:40,706 INFO  L202        PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:34:40 BoogieIcfgContainer
[2022-02-10 00:34:40,707 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-10 00:34:40,708 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-10 00:34:40,708 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-10 00:34:40,710 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-10 00:34:40,710 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:34:40" (1/2) ...
[2022-02-10 00:34:40,724 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd60f5c and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 12:34:40, skipping insertion in model container
[2022-02-10 00:34:40,724 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:34:40" (2/2) ...
[2022-02-10 00:34:40,725 INFO  L111   eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl
[2022-02-10 00:34:40,728 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-10 00:34:40,729 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-10 00:34:40,729 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-10 00:34:40,729 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-10 00:34:40,769 INFO  L148    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-02-10 00:34:40,839 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-10 00:34:40,839 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:34:40,852 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)
[2022-02-10 00:34:40,854 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
[2022-02-10 00:34:40,879 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-10 00:34:40,885 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
[2022-02-10 00:34:40,886 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-02-10 00:34:41,010 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 793 transitions and produced 718 states.
[2022-02-10 00:34:41,011 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:34:41,015 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:34:41,015 INFO  L85        PathProgramCache]: Analyzing trace with hash 1026955084, now seen corresponding path program 1 times
[2022-02-10 00:34:41,021 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:34:41,021 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174957267]
[2022-02-10 00:34:41,021 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:34:41,021 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:34:41,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:34:42,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 1158 backedges. 512 proven. 600 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2022-02-10 00:34:42,414 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:34:42,416 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174957267]
[2022-02-10 00:34:42,416 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174957267] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:34:42,416 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646366593]
[2022-02-10 00:34:42,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:34:42,417 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:34:42,417 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:34:42,419 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)
[2022-02-10 00:34:42,420 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-10 00:34:42,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:34:42,499 INFO  L263         TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 32 conjunts are in the unsatisfiable core
[2022-02-10 00:34:42,505 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:34:43,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 1158 backedges. 601 proven. 419 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked.
[2022-02-10 00:34:43,902 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:34:44,860 INFO  L134       CoverageAnalysis]: Checked inductivity of 1158 backedges. 601 proven. 410 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2022-02-10 00:34:44,861 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646366593] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:34:44,861 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:34:44,861 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 31, 25] total 100
[2022-02-10 00:34:44,862 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84253268]
[2022-02-10 00:34:44,863 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:34:44,868 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 101 states
[2022-02-10 00:34:44,868 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:34:44,881 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants.
[2022-02-10 00:34:44,898 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=932, Invalid=9168, Unknown=0, NotChecked=0, Total=10100
[2022-02-10 00:34:44,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:34:44,900 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:34:44,902 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 101 states, 101 states have (on average 3.198019801980198) internal successors, (323), 100 states have internal predecessors, (323), 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)
[2022-02-10 00:34:44,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:34:51,676 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1433 transitions and produced 1292 states.
[2022-02-10 00:34:51,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. 
[2022-02-10 00:34:51,703 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2022-02-10 00:34:51,887 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,SelfDestructingSolverStorable0
[2022-02-10 00:34:51,888 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:34:51,888 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:34:51,888 INFO  L85        PathProgramCache]: Analyzing trace with hash 944208119, now seen corresponding path program 2 times
[2022-02-10 00:34:51,889 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:34:51,889 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741705769]
[2022-02-10 00:34:51,889 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:34:51,889 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:34:52,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:34:52,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 3736 backedges. 2075 proven. 1321 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked.
[2022-02-10 00:34:52,964 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:34:52,964 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741705769]
[2022-02-10 00:34:52,964 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741705769] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:34:52,964 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863536569]
[2022-02-10 00:34:52,965 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-10 00:34:52,965 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:34:52,965 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:34:52,966 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)
[2022-02-10 00:34:52,967 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-10 00:34:53,135 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-10 00:34:53,135 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:34:53,138 INFO  L263         TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 56 conjunts are in the unsatisfiable core
[2022-02-10 00:34:53,144 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:34:55,640 INFO  L134       CoverageAnalysis]: Checked inductivity of 3736 backedges. 1604 proven. 1509 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked.
[2022-02-10 00:34:55,640 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:34:57,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 3736 backedges. 1623 proven. 1468 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked.
[2022-02-10 00:34:57,659 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863536569] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:34:57,659 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:34:57,660 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 41] total 149
[2022-02-10 00:34:57,660 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148106330]
[2022-02-10 00:34:57,660 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:34:57,661 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 150 states
[2022-02-10 00:34:57,661 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:34:57,662 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants.
[2022-02-10 00:34:57,666 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=2600, Invalid=19750, Unknown=0, NotChecked=0, Total=22350
[2022-02-10 00:34:57,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:34:57,666 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:34:57,666 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 150 states, 150 states have (on average 3.3666666666666667) internal successors, (505), 149 states have internal predecessors, (505), 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)
[2022-02-10 00:34:57,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. 
[2022-02-10 00:34:57,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:35:02,537 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1714 transitions and produced 1580 states.
[2022-02-10 00:35:02,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:35:02,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:35:02,557 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-10 00:35:02,751 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:35:02,752 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:35:02,755 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:35:02,755 INFO  L85        PathProgramCache]: Analyzing trace with hash -135770319, now seen corresponding path program 3 times
[2022-02-10 00:35:02,756 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:35:02,756 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577015559]
[2022-02-10 00:35:02,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:35:02,756 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:35:02,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:35:06,398 INFO  L134       CoverageAnalysis]: Checked inductivity of 4476 backedges. 1171 proven. 3076 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:35:06,398 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:35:06,398 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577015559]
[2022-02-10 00:35:06,399 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577015559] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:35:06,400 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956967987]
[2022-02-10 00:35:06,401 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-10 00:35:06,405 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:35:06,409 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:35:06,411 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)
[2022-02-10 00:35:06,415 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-10 00:35:06,470 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s)
[2022-02-10 00:35:06,471 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:35:06,472 INFO  L263         TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-02-10 00:35:06,475 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:35:07,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 4476 backedges. 456 proven. 2 refuted. 0 times theorem prover too weak. 4018 trivial. 0 not checked.
[2022-02-10 00:35:07,033 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:35:07,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 4476 backedges. 456 proven. 2 refuted. 0 times theorem prover too weak. 4018 trivial. 0 not checked.
[2022-02-10 00:35:07,327 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [956967987] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:35:07,327 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:35:07,327 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 8, 8] total 123
[2022-02-10 00:35:07,327 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920618772]
[2022-02-10 00:35:07,328 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:35:07,330 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 123 states
[2022-02-10 00:35:07,330 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:35:07,330 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants.
[2022-02-10 00:35:07,333 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=2601, Invalid=12405, Unknown=0, NotChecked=0, Total=15006
[2022-02-10 00:35:07,333 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:35:07,333 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:35:07,334 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 123 states, 123 states have (on average 2.3252032520325203) internal successors, (286), 123 states have internal predecessors, (286), 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)
[2022-02-10 00:35:07,334 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:35:07,334 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:35:07,334 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:35:15,096 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2110 transitions and produced 1951 states.
[2022-02-10 00:35:15,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:35:15,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:35:15,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:35:15,115 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-10 00:35:15,309 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:35:15,310 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:35:15,310 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:35:15,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 519242507, now seen corresponding path program 4 times
[2022-02-10 00:35:15,311 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:35:15,311 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850676086]
[2022-02-10 00:35:15,311 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:35:15,311 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:35:15,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:35:21,112 INFO  L134       CoverageAnalysis]: Checked inductivity of 6753 backedges. 2329 proven. 4195 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:35:21,112 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:35:21,112 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850676086]
[2022-02-10 00:35:21,112 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850676086] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:35:21,112 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236897489]
[2022-02-10 00:35:21,113 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-10 00:35:21,113 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:35:21,113 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:35:21,114 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)
[2022-02-10 00:35:21,115 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-10 00:35:21,235 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-10 00:35:21,235 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:35:21,240 INFO  L263         TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 90 conjunts are in the unsatisfiable core
[2022-02-10 00:35:21,244 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:35:24,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 6753 backedges. 4301 proven. 2160 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked.
[2022-02-10 00:35:24,803 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:35:25,969 INFO  L134       CoverageAnalysis]: Checked inductivity of 6753 backedges. 4301 proven. 2160 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked.
[2022-02-10 00:35:25,969 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236897489] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:35:25,970 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:35:25,970 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 52, 52] total 213
[2022-02-10 00:35:25,970 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089851242]
[2022-02-10 00:35:25,970 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:35:25,972 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 214 states
[2022-02-10 00:35:25,972 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:35:25,984 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants.
[2022-02-10 00:35:25,989 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6418, Invalid=39164, Unknown=0, NotChecked=0, Total=45582
[2022-02-10 00:35:25,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:35:25,991 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:35:25,992 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 214 states, 214 states have (on average 3.0514018691588785) internal successors, (653), 213 states have internal predecessors, (653), 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)
[2022-02-10 00:35:25,992 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:35:25,992 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:35:25,992 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:35:25,992 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:35:45,635 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2572 transitions and produced 2288 states.
[2022-02-10 00:35:45,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:35:45,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:35:45,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:35:45,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:35:45,655 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2022-02-10 00:35:45,853 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:35:45,854 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:35:45,854 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:35:45,854 INFO  L85        PathProgramCache]: Analyzing trace with hash -318576721, now seen corresponding path program 5 times
[2022-02-10 00:35:45,854 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:35:45,854 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663111745]
[2022-02-10 00:35:45,854 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:35:45,854 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:35:45,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:35:54,355 INFO  L134       CoverageAnalysis]: Checked inductivity of 10455 backedges. 3919 proven. 6307 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:35:54,356 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:35:54,356 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663111745]
[2022-02-10 00:35:54,356 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663111745] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:35:54,356 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490491110]
[2022-02-10 00:35:54,356 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-10 00:35:54,356 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:35:54,356 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:35:54,357 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)
[2022-02-10 00:35:54,358 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-10 00:35:54,796 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 77 check-sat command(s)
[2022-02-10 00:35:54,796 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:35:54,802 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 120 conjunts are in the unsatisfiable core
[2022-02-10 00:35:54,807 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:35:59,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 10455 backedges. 6311 proven. 3852 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked.
[2022-02-10 00:35:59,450 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:36:00,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 10455 backedges. 6311 proven. 3852 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked.
[2022-02-10 00:36:00,472 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [490491110] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:36:00,472 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:36:00,472 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 64, 64] total 261
[2022-02-10 00:36:00,472 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020692765]
[2022-02-10 00:36:00,472 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:36:00,473 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 262 states
[2022-02-10 00:36:00,473 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:36:00,475 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants.
[2022-02-10 00:36:00,478 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9952, Invalid=58430, Unknown=0, NotChecked=0, Total=68382
[2022-02-10 00:36:00,478 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:36:00,478 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:36:00,479 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 262 states, 262 states have (on average 2.9236641221374047) internal successors, (766), 261 states have internal predecessors, (766), 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)
[2022-02-10 00:36:00,479 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:36:00,479 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:36:00,479 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:36:00,479 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:36:00,479 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:36:31,220 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2968 transitions and produced 2589 states.
[2022-02-10 00:36:31,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:36:31,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:36:31,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:36:31,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:36:31,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:36:31,239 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2022-02-10 00:36:31,434 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:36:31,434 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:36:31,435 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:36:31,435 INFO  L85        PathProgramCache]: Analyzing trace with hash -1991815097, now seen corresponding path program 6 times
[2022-02-10 00:36:31,435 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:36:31,435 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704176816]
[2022-02-10 00:36:31,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:36:31,435 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:36:31,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:36:43,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 14385 backedges. 5941 proven. 8215 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:36:43,729 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:36:43,730 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704176816]
[2022-02-10 00:36:43,730 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704176816] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:36:43,730 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236190778]
[2022-02-10 00:36:43,730 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-10 00:36:43,730 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:36:43,730 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:36:43,731 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)
[2022-02-10 00:36:43,732 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-10 00:36:43,894 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s)
[2022-02-10 00:36:43,894 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:36:43,896 INFO  L263         TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 18 conjunts are in the unsatisfiable core
[2022-02-10 00:36:43,900 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:36:45,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 14385 backedges. 1296 proven. 23 refuted. 0 times theorem prover too weak. 13066 trivial. 0 not checked.
[2022-02-10 00:36:45,212 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:36:45,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 14385 backedges. 1296 proven. 23 refuted. 0 times theorem prover too weak. 13066 trivial. 0 not checked.
[2022-02-10 00:36:45,744 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236190778] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:36:45,745 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:36:45,745 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [229, 11, 11] total 241
[2022-02-10 00:36:45,745 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224735720]
[2022-02-10 00:36:45,745 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:36:45,746 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 241 states
[2022-02-10 00:36:45,746 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:36:45,747 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants.
[2022-02-10 00:36:45,750 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11638, Invalid=46202, Unknown=0, NotChecked=0, Total=57840
[2022-02-10 00:36:45,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:36:45,750 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:36:45,751 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 241 states, 241 states have (on average 2.099585062240664) internal successors, (506), 241 states have internal predecessors, (506), 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)
[2022-02-10 00:36:45,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:36:45,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:36:45,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:36:45,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:36:45,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:36:45,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:37:13,129 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 3357 transitions and produced 2900 states.
[2022-02-10 00:37:13,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:37:13,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:37:13,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:37:13,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:37:13,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:37:13,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:37:13,150 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-10 00:37:13,350 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:37:13,351 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:37:13,351 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:37:13,351 INFO  L85        PathProgramCache]: Analyzing trace with hash 473060513, now seen corresponding path program 7 times
[2022-02-10 00:37:13,351 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:37:13,351 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508502762]
[2022-02-10 00:37:13,351 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:37:13,351 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:37:13,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:37:31,444 INFO  L134       CoverageAnalysis]: Checked inductivity of 18776 backedges. 8395 proven. 10152 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:37:31,445 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:37:31,445 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508502762]
[2022-02-10 00:37:31,445 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508502762] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:37:31,445 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750539996]
[2022-02-10 00:37:31,445 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-10 00:37:31,445 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:37:31,445 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:37:31,446 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)
[2022-02-10 00:37:31,447 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-02-10 00:37:31,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:37:31,645 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 166 conjunts are in the unsatisfiable core
[2022-02-10 00:37:31,651 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:37:40,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 18776 backedges. 11642 proven. 6800 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked.
[2022-02-10 00:37:40,161 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:37:41,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 18776 backedges. 11642 proven. 6800 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked.
[2022-02-10 00:37:41,829 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750539996] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:37:41,829 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:37:41,833 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [266, 88, 88] total 360
[2022-02-10 00:37:41,833 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202131744]
[2022-02-10 00:37:41,833 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:37:41,855 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 361 states
[2022-02-10 00:37:41,856 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:37:41,858 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 361 interpolants.
[2022-02-10 00:37:41,865 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19841, Invalid=110119, Unknown=0, NotChecked=0, Total=129960
[2022-02-10 00:37:41,865 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:37:41,865 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:37:41,866 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 361 states, 361 states have (on average 2.817174515235457) internal successors, (1017), 360 states have internal predecessors, (1017), 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)
[2022-02-10 00:37:41,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:37:41,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:37:41,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:37:41,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:37:41,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:37:41,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:37:41,866 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:38:44,577 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 3775 transitions and produced 3213 states.
[2022-02-10 00:38:44,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:38:44,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:38:44,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:38:44,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:38:44,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:38:44,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:38:44,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:38:44,637 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2022-02-10 00:38:44,791 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,SelfDestructingSolverStorable6
[2022-02-10 00:38:44,791 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:38:44,792 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:38:44,792 INFO  L85        PathProgramCache]: Analyzing trace with hash -2060779971, now seen corresponding path program 8 times
[2022-02-10 00:38:44,792 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:38:44,792 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922633435]
[2022-02-10 00:38:44,792 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:38:44,792 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:38:45,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:39:08,886 INFO  L134       CoverageAnalysis]: Checked inductivity of 24462 backedges. 11281 proven. 12952 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:39:08,886 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:39:08,886 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922633435]
[2022-02-10 00:39:08,887 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922633435] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:39:08,887 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890531633]
[2022-02-10 00:39:08,887 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-10 00:39:08,887 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:39:08,887 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:39:08,888 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)
[2022-02-10 00:39:08,889 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-02-10 00:39:09,094 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-10 00:39:09,094 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:39:09,103 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 192 conjunts are in the unsatisfiable core
[2022-02-10 00:39:09,170 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:39:19,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 24462 backedges. 14948 proven. 9180 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked.
[2022-02-10 00:39:19,724 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:39:21,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 24462 backedges. 14948 proven. 9180 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked.
[2022-02-10 00:39:21,024 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [890531633] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:39:21,024 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:39:21,025 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [304, 100, 100] total 408
[2022-02-10 00:39:21,026 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351329359]
[2022-02-10 00:39:21,027 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:39:21,028 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 409 states
[2022-02-10 00:39:21,028 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:39:21,031 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 409 interpolants.
[2022-02-10 00:39:21,038 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26035, Invalid=140837, Unknown=0, NotChecked=0, Total=166872
[2022-02-10 00:39:21,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:39:21,038 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:39:21,039 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 409 states, 409 states have (on average 2.7677261613691932) internal successors, (1132), 408 states have internal predecessors, (1132), 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)
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:39:21,039 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:40:49,317 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 4171 transitions and produced 3514 states.
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:40:49,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 674 states. 
[2022-02-10 00:40:49,340 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2022-02-10 00:40:49,537 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:40:49,537 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:40:49,537 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:40:49,538 INFO  L85        PathProgramCache]: Analyzing trace with hash -915571499, now seen corresponding path program 9 times
[2022-02-10 00:40:49,538 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:40:49,538 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571762355]
[2022-02-10 00:40:49,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:40:49,538 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:40:49,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:41:18,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 30552 backedges. 14599 proven. 15724 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:41:18,092 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:41:18,093 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571762355]
[2022-02-10 00:41:18,093 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571762355] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:41:18,093 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902373287]
[2022-02-10 00:41:18,093 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-10 00:41:18,093 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:41:18,093 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:41:18,094 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)
[2022-02-10 00:41:18,095 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-02-10 00:41:18,242 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s)
[2022-02-10 00:41:18,242 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:41:18,244 INFO  L263         TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 28 conjunts are in the unsatisfiable core
[2022-02-10 00:41:18,249 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:41:20,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 30552 backedges. 2346 proven. 66 refuted. 0 times theorem prover too weak. 28140 trivial. 0 not checked.
[2022-02-10 00:41:20,450 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:41:21,270 INFO  L134       CoverageAnalysis]: Checked inductivity of 30552 backedges. 2346 proven. 66 refuted. 0 times theorem prover too weak. 28140 trivial. 0 not checked.
[2022-02-10 00:41:21,271 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [902373287] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:41:21,271 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:41:21,271 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [340, 16, 16] total 359
[2022-02-10 00:41:21,271 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656487989]
[2022-02-10 00:41:21,271 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:41:21,272 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 359 states
[2022-02-10 00:41:21,272 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:41:21,275 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 359 interpolants.
[2022-02-10 00:41:21,282 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27553, Invalid=100969, Unknown=0, NotChecked=0, Total=128522
[2022-02-10 00:41:21,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:41:21,283 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:41:21,283 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 359 states, 359 states have (on average 2.01949860724234) internal successors, (725), 359 states have internal predecessors, (725), 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)
[2022-02-10 00:41:21,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:41:21,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:41:21,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:41:21,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:41:21,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:41:21,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:41:21,283 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:41:21,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 674 states. 
[2022-02-10 00:41:21,284 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:42:26,401 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 4570 transitions and produced 3833 states.
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 674 states. 
[2022-02-10 00:42:26,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. 
[2022-02-10 00:42:26,420 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-02-10 00:42:26,619 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,SelfDestructingSolverStorable8
[2022-02-10 00:42:26,620 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:42:26,620 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:42:26,620 INFO  L85        PathProgramCache]: Analyzing trace with hash 1884745907, now seen corresponding path program 10 times
[2022-02-10 00:42:26,620 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:42:26,620 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478039063]
[2022-02-10 00:42:26,621 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:42:26,621 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:42:26,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:42:55,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 37037 backedges. 18349 proven. 18459 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:42:55,025 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:42:55,026 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478039063]
[2022-02-10 00:42:55,026 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478039063] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:42:55,027 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770325823]
[2022-02-10 00:42:55,027 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-10 00:42:55,027 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:42:55,027 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:42:55,028 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)
[2022-02-10 00:42:55,029 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-02-10 00:42:55,289 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-10 00:42:55,289 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:42:55,302 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 238 conjunts are in the unsatisfiable core
[2022-02-10 00:42:55,309 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:43:11,012 INFO  L134       CoverageAnalysis]: Checked inductivity of 37037 backedges. 22881 proven. 13712 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked.
[2022-02-10 00:43:11,012 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:43:13,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 37037 backedges. 22881 proven. 13712 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked.
[2022-02-10 00:43:13,025 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770325823] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:43:13,025 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:43:13,025 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [379, 124, 124] total 509
[2022-02-10 00:43:13,026 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155187849]
[2022-02-10 00:43:13,026 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:43:13,027 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 510 states
[2022-02-10 00:43:13,027 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:43:13,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 510 interpolants.
[2022-02-10 00:43:13,043 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41146, Invalid=218444, Unknown=0, NotChecked=0, Total=259590
[2022-02-10 00:43:13,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:43:13,043 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:43:13,044 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 510 states, 510 states have (on average 2.719607843137255) internal successors, (1387), 509 states have internal predecessors, (1387), 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)
[2022-02-10 00:43:13,044 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:43:13,044 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:43:13,044 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:43:13,044 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:43:13,044 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:43:13,044 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:43:13,044 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:43:13,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 674 states. 
[2022-02-10 00:43:13,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. 
[2022-02-10 00:43:13,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:45:34,698 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 4988 transitions and produced 4146 states.
[2022-02-10 00:45:34,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:45:34,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:45:34,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:45:34,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:45:34,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:45:34,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:45:34,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:45:34,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 674 states. 
[2022-02-10 00:45:34,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. 
[2022-02-10 00:45:34,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 834 states. 
[2022-02-10 00:45:34,716 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2022-02-10 00:45:34,916 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,SelfDestructingSolverStorable9
[2022-02-10 00:45:34,917 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-10 00:45:34,917 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 00:45:34,917 INFO  L85        PathProgramCache]: Analyzing trace with hash 1726745423, now seen corresponding path program 11 times
[2022-02-10 00:45:34,917 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 00:45:34,917 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082968024]
[2022-02-10 00:45:34,918 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 00:45:34,918 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 00:45:35,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 00:46:10,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 45027 backedges. 22531 proven. 22267 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked.
[2022-02-10 00:46:10,869 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 00:46:10,869 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082968024]
[2022-02-10 00:46:10,869 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082968024] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 00:46:10,869 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811615182]
[2022-02-10 00:46:10,869 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-10 00:46:10,869 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 00:46:10,869 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 00:46:10,870 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)
[2022-02-10 00:46:10,871 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-02-10 00:46:12,952 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 149 check-sat command(s)
[2022-02-10 00:46:12,952 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-10 00:46:12,974 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 264 conjunts are in the unsatisfiable core
[2022-02-10 00:46:12,981 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 00:46:31,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 45027 backedges. 27483 proven. 17100 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked.
[2022-02-10 00:46:31,209 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 00:46:32,709 INFO  L134       CoverageAnalysis]: Checked inductivity of 45027 backedges. 27483 proven. 17100 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked.
[2022-02-10 00:46:32,709 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811615182] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 00:46:32,710 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 00:46:32,710 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [417, 136, 136] total 557
[2022-02-10 00:46:32,710 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026305579]
[2022-02-10 00:46:32,710 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 00:46:32,711 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 558 states
[2022-02-10 00:46:32,711 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 00:46:32,717 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 558 interpolants.
[2022-02-10 00:46:32,732 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49932, Invalid=260874, Unknown=0, NotChecked=0, Total=310806
[2022-02-10 00:46:32,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 00:46:32,732 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 00:46:32,864 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 558 states, 558 states have (on average 2.6917562724014337) internal successors, (1502), 557 states have internal predecessors, (1502), 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)
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 582 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 674 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 834 states. 
[2022-02-10 00:46:32,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Received shutdown request...
[2022-02-10 00:48:21,662 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2022-02-10 00:48:21,671 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-10 00:48:21,675 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
[2022-02-10 00:48:21,675 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
[2022-02-10 00:48:21,859 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,SelfDestructingSolverStorable10
[2022-02-10 00:48:21,859 WARN  L594      AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 991 known predicates.
[2022-02-10 00:48:21,861 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining)
[2022-02-10 00:48:21,861 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining)
[2022-02-10 00:48:21,861 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining)
[2022-02-10 00:48:21,862 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining)
[2022-02-10 00:48:21,862 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining)
[2022-02-10 00:48:21,866 INFO  L732         BasicCegarLoop]: Path program histogram: [11]
[2022-02-10 00:48:21,875 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-10 00:48:21,875 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-10 00:48:21,878 INFO  L202        PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 12:48:21 BasicIcfg
[2022-02-10 00:48:21,878 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-10 00:48:21,899 INFO  L158              Benchmark]: Toolchain (without parser) took 821498.59ms. Allocated memory was 222.3MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 182.6MB in the beginning and 972.1MB in the end (delta: -789.5MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB.
[2022-02-10 00:48:21,899 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-10 00:48:21,900 INFO  L158              Benchmark]: Boogie Procedure Inliner took 22.14ms. Allocated memory is still 222.3MB. Free memory was 182.6MB in the beginning and 181.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-10 00:48:21,900 INFO  L158              Benchmark]: Boogie Preprocessor took 20.95ms. Allocated memory is still 222.3MB. Free memory was 181.0MB in the beginning and 180.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-10 00:48:21,900 INFO  L158              Benchmark]: RCFGBuilder took 278.22ms. Allocated memory is still 222.3MB. Free memory was 179.9MB in the beginning and 169.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-10 00:48:21,900 INFO  L158              Benchmark]: TraceAbstraction took 821170.36ms. Allocated memory was 222.3MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 169.1MB in the beginning and 972.1MB in the end (delta: -803.0MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB.
[2022-02-10 00:48:21,901 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 22.14ms. Allocated memory is still 222.3MB. Free memory was 182.6MB in the beginning and 181.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 20.95ms. Allocated memory is still 222.3MB. Free memory was 181.0MB in the beginning and 180.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 278.22ms. Allocated memory is still 222.3MB. Free memory was 179.9MB in the beginning and 169.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 821170.36ms. Allocated memory was 222.3MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 169.1MB in the beginning and 972.1MB in the end (delta: -803.0MB). Peak memory consumption was 1.5GB. 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: 82]: Timeout (TraceAbstraction)
    Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 991 known predicates.
  - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 991 known predicates.
  - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 991 known predicates.
  - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 991 known predicates.
  - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 991 known predicates.
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 821.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 563.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4927, 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: 0.5s SsaConstructionTime, 5.2s SatisfiabilityAnalysisTime, 248.3s InterpolantComputationTime, 10768 NumberOfCodeBlocks, 9728 NumberOfCodeBlocksAsserted, 303 NumberOfCheckSat, 16119 ConstructedInterpolants, 0 QuantifiedInterpolants, 104482 SizeOfPredicates, 8 NumberOfNonLiveVariables, 11260 ConjunctsInSsa, 1214 ConjunctsInUnsatCore, 33 InterpolantComputations, 0 PerfectInterpolantSequences, 377587/590451 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
[2022-02-10 00:48:21,947 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-02-10 00:48:22,172 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
!SESSION 2022-02-10 00:34:38.343 -----------------------------------------------
eclipse.buildId=unknown
java.version=11.0.12
java.vendor=Debian
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl
Command-line arguments:  -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl

!ENTRY org.eclipse.osgi 4 0 2022-02-10 00:48:22.368
!MESSAGE Application error
!STACK 1
org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fe7a4759/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory)
	at java.base/java.io.FileOutputStream.open0(Native Method)
	at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:237)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:187)
	at org.eclipse.core.internal.localstore.SafeFileOutputStream.<init>(SafeFileOutputStream.java:55)
	at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381)
	at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168)
	at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333)
	at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
An error has occurred. See the log file
/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fe7a4759/.metadata/.log.