/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-proofs/counter-add-4-semi-Q67.wvr.bpl


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-20 04:43:52,939 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-20 04:43:53,038 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-20 04:43:53,039 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
[2022-02-20 04:43:53,066 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-20 04:43:53,066 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-20 04:43:53,067 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-20 04:43:53,067 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-20 04:43:53,068 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-20 04:43:53,068 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-20 04:43:53,068 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-20 04:43:53,068 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-20 04:43:53,068 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-20 04:43:53,069 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-20 04:43:53,069 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-20 04:43:53,069 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-20 04:43:53,069 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-20 04:43:53,070 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-20 04:43:53,071 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-20 04:43:53,071 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-20 04:43:53,071 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-20 04:43:53,072 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-20 04:43:53,072 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 04:43:53,072 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-20 04:43:53,072 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-20 04:43:53,072 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-20 04:43:53,072 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-20 04:43:53,072 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-20 04:43:53,073 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-20 04:43:53,073 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-20 04:43:53,073 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-20 04:43:53,073 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-20 04:43:53,073 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-20 04:43:53,073 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-20 04:43:53,270 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-20 04:43:53,297 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-20 04:43:53,300 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-20 04:43:53,301 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-20 04:43:53,301 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-20 04:43:53,302 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl
[2022-02-20 04:43:53,303 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl'
[2022-02-20 04:43:53,326 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-20 04:43:53,327 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-20 04:43:53,328 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-20 04:43:53,328 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-20 04:43:53,329 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-20 04:43:53,340 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,345 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,351 INFO  L137                Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-20 04:43:53,352 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-20 04:43:53,354 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-20 04:43:53,354 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-20 04:43:53,355 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-20 04:43:53,360 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,360 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,361 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,361 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,364 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,366 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,366 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,367 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-20 04:43:53,368 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-20 04:43:53,368 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-20 04:43:53,368 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-20 04:43:53,369 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/1) ...
[2022-02-20 04:43:53,375 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 04:43:53,381 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:43:53,392 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-20 04:43:53,399 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-20 04:43:53,422 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-20 04:43:53,422 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-20 04:43:53,422 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-20 04:43:53,422 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-20 04:43:53,422 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-20 04:43:53,422 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-20 04:43:53,422 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-20 04:43:53,423 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-20 04:43:53,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-20 04:43:53,423 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-20 04:43:53,423 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-20 04:43:53,423 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-20 04:43:53,423 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2022-02-20 04:43:53,423 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2022-02-20 04:43:53,424 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2022-02-20 04:43:53,426 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-20 04:43:53,472 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-20 04:43:53,475 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-20 04:43:53,598 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-20 04:43:53,614 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-20 04:43:53,615 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-20 04:43:53,617 INFO  L202        PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:43:53 BoogieIcfgContainer
[2022-02-20 04:43:53,617 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-20 04:43:53,619 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-20 04:43:53,619 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-20 04:43:53,638 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-20 04:43:53,638 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:43:53" (1/2) ...
[2022-02-20 04:43:53,639 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48047829 and model type counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:43:53, skipping insertion in model container
[2022-02-20 04:43:53,639 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:43:53" (2/2) ...
[2022-02-20 04:43:53,640 INFO  L111   eAbstractionObserver]: Analyzing ICFG counter-add-4-semi-Q67.wvr.bpl
[2022-02-20 04:43:53,644 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-20 04:43:53,644 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-20 04:43:53,645 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-20 04:43:53,645 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-20 04:43:53,728 INFO  L148    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-02-20 04:43:53,794 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-20 04:43:53,795 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:43:53,796 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-20 04:43:53,824 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-20 04:43:53,840 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-20 04:43:53,852 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-20 04:43:53,852 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-02-20 04:43:54,030 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1845 transitions and produced 1634 states.
[2022-02-20 04:43:54,032 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-20 04:43:54,036 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 04:43:54,037 INFO  L85        PathProgramCache]: Analyzing trace with hash 604266893, now seen corresponding path program 1 times
[2022-02-20 04:43:54,047 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 04:43:54,048 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617620078]
[2022-02-20 04:43:54,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 04:43:54,048 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 04:43:54,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 04:43:55,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 8685 backedges. 4800 proven. 3080 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked.
[2022-02-20 04:43:55,337 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 04:43:55,337 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617620078]
[2022-02-20 04:43:55,338 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617620078] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 04:43:55,339 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801774697]
[2022-02-20 04:43:55,339 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 04:43:55,339 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 04:43:55,340 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:43:55,341 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-20 04:43:55,342 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-20 04:43:55,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 04:43:55,568 INFO  L263         TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 87 conjunts are in the unsatisfiable core
[2022-02-20 04:43:55,596 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 04:43:59,834 INFO  L134       CoverageAnalysis]: Checked inductivity of 8685 backedges. 8454 proven. 42 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2022-02-20 04:43:59,835 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 04:44:04,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 8685 backedges. 2587 proven. 5929 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2022-02-20 04:44:04,201 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [801774697] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 04:44:04,201 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 04:44:04,201 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 67, 87] total 171
[2022-02-20 04:44:04,203 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696984875]
[2022-02-20 04:44:04,204 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 04:44:04,210 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 172 states
[2022-02-20 04:44:04,210 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 04:44:04,234 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants.
[2022-02-20 04:44:04,247 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8321, Invalid=21091, Unknown=0, NotChecked=0, Total=29412
[2022-02-20 04:44:04,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:44:04,250 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 04:44:04,254 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 172 states, 172 states have (on average 3.4011627906976742) internal successors, (585), 171 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-20 04:44:04,255 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:44:18,793 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 3158 transitions and produced 2445 states.
[2022-02-20 04:44:18,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. 
[2022-02-20 04:44:18,812 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-20 04:44:18,995 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
[2022-02-20 04:44:18,995 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-20 04:44:18,996 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 04:44:18,996 INFO  L85        PathProgramCache]: Analyzing trace with hash 1712204743, now seen corresponding path program 2 times
[2022-02-20 04:44:18,996 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 04:44:18,997 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739211856]
[2022-02-20 04:44:18,997 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 04:44:18,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 04:44:19,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 04:44:22,907 INFO  L134       CoverageAnalysis]: Checked inductivity of 18932 backedges. 3844 proven. 5726 refuted. 0 times theorem prover too weak. 9362 trivial. 0 not checked.
[2022-02-20 04:44:22,908 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 04:44:22,908 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739211856]
[2022-02-20 04:44:22,908 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739211856] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 04:44:22,909 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891635984]
[2022-02-20 04:44:22,909 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 04:44:22,909 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 04:44:22,909 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:44:22,912 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-20 04:44:22,916 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-20 04:44:23,145 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 04:44:23,145 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 04:44:23,156 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 132 conjunts are in the unsatisfiable core
[2022-02-20 04:44:23,167 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 04:44:33,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked.
[2022-02-20 04:44:33,211 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 04:44:40,145 INFO  L134       CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked.
[2022-02-20 04:44:40,146 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891635984] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 04:44:40,146 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 04:44:40,146 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 132, 132] total 277
[2022-02-20 04:44:40,147 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022137140]
[2022-02-20 04:44:40,147 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 04:44:40,149 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 278 states
[2022-02-20 04:44:40,149 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 04:44:40,152 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants.
[2022-02-20 04:44:40,162 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15223, Invalid=61783, Unknown=0, NotChecked=0, Total=77006
[2022-02-20 04:44:40,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:44:40,162 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 04:44:40,163 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 278 states, 278 states have (on average 2.643884892086331) internal successors, (735), 277 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-20 04:44:40,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. 
[2022-02-20 04:44:40,164 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:45:01,944 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 4418 transitions and produced 3551 states.
[2022-02-20 04:45:01,944 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:45:01,945 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:45:01,966 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-20 04:45:02,146 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
[2022-02-20 04:45:02,146 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-20 04:45:02,147 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 04:45:02,147 INFO  L85        PathProgramCache]: Analyzing trace with hash -1321174771, now seen corresponding path program 3 times
[2022-02-20 04:45:02,147 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 04:45:02,148 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673973554]
[2022-02-20 04:45:02,148 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 04:45:02,148 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 04:45:03,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 04:45:06,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 41137 backedges. 21524 proven. 9328 refuted. 0 times theorem prover too weak. 10285 trivial. 0 not checked.
[2022-02-20 04:45:06,115 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 04:45:06,115 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673973554]
[2022-02-20 04:45:06,115 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673973554] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 04:45:06,116 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132346331]
[2022-02-20 04:45:06,116 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 04:45:06,116 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 04:45:06,116 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:45:06,124 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-20 04:45:06,129 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-20 04:45:06,852 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 84 check-sat command(s)
[2022-02-20 04:45:06,852 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 04:45:06,877 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 146 conjunts are in the unsatisfiable core
[2022-02-20 04:45:06,890 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 04:45:17,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 41137 backedges. 16581 proven. 19503 refuted. 0 times theorem prover too weak. 5053 trivial. 0 not checked.
[2022-02-20 04:45:17,874 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 04:45:28,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 41137 backedges. 13018 proven. 23098 refuted. 0 times theorem prover too weak. 5021 trivial. 0 not checked.
[2022-02-20 04:45:28,746 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [132346331] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 04:45:28,746 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 04:45:28,747 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 138, 144] total 314
[2022-02-20 04:45:28,747 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226602685]
[2022-02-20 04:45:28,747 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 04:45:28,748 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 315 states
[2022-02-20 04:45:28,748 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 04:45:28,751 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants.
[2022-02-20 04:45:28,758 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16427, Invalid=82483, Unknown=0, NotChecked=0, Total=98910
[2022-02-20 04:45:28,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:45:28,759 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 04:45:28,762 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 315 states, 315 states have (on average 4.1873015873015875) internal successors, (1319), 314 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-20 04:45:28,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:45:28,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:45:28,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:46:25,283 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 4701 transitions and produced 3708 states.
[2022-02-20 04:46:25,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:46:25,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:46:25,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. 
[2022-02-20 04:46:25,305 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-20 04:46:25,484 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
[2022-02-20 04:46:25,485 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-20 04:46:25,485 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 04:46:25,486 INFO  L85        PathProgramCache]: Analyzing trace with hash 2026893419, now seen corresponding path program 4 times
[2022-02-20 04:46:25,486 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 04:46:25,486 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459450501]
[2022-02-20 04:46:25,486 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 04:46:25,486 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 04:46:26,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 04:46:30,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 46620 backedges. 22462 proven. 12347 refuted. 0 times theorem prover too weak. 11811 trivial. 0 not checked.
[2022-02-20 04:46:30,125 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 04:46:30,125 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459450501]
[2022-02-20 04:46:30,125 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459450501] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 04:46:30,125 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768518107]
[2022-02-20 04:46:30,125 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-20 04:46:30,125 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 04:46:30,125 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:46:30,126 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-20 04:46:30,127 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-20 04:46:30,445 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-20 04:46:30,446 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 04:46:30,462 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2352 conjuncts, 179 conjunts are in the unsatisfiable core
[2022-02-20 04:46:30,472 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 04:46:45,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 46620 backedges. 22833 proven. 12153 refuted. 0 times theorem prover too weak. 11634 trivial. 0 not checked.
[2022-02-20 04:46:45,368 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 04:47:02,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 46620 backedges. 20054 proven. 14938 refuted. 0 times theorem prover too weak. 11628 trivial. 0 not checked.
[2022-02-20 04:47:02,143 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [768518107] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 04:47:02,143 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 04:47:02,143 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 173, 179] total 405
[2022-02-20 04:47:02,143 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386682704]
[2022-02-20 04:47:02,144 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 04:47:02,145 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 406 states
[2022-02-20 04:47:02,145 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 04:47:02,151 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 406 interpolants.
[2022-02-20 04:47:02,164 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=29372, Invalid=135058, Unknown=0, NotChecked=0, Total=164430
[2022-02-20 04:47:02,164 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:47:02,164 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 04:47:02,165 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 406 states, 406 states have (on average 3.167487684729064) internal successors, (1286), 405 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-20 04:47:02,165 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:47:02,166 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:47:02,166 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 459 states. 
[2022-02-20 04:47:02,166 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:47:55,662 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 5560 transitions and produced 4263 states.
[2022-02-20 04:47:55,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:47:55,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:47:55,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. 
[2022-02-20 04:47:55,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 373 states. 
[2022-02-20 04:47:55,682 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-20 04:47:55,864 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
[2022-02-20 04:47:55,864 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-20 04:47:55,864 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 04:47:55,865 INFO  L85        PathProgramCache]: Analyzing trace with hash 212146637, now seen corresponding path program 5 times
[2022-02-20 04:47:55,865 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 04:47:55,865 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647870972]
[2022-02-20 04:47:55,865 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 04:47:55,865 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 04:47:56,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 04:48:07,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 66515 backedges. 9409 proven. 36184 refuted. 0 times theorem prover too weak. 20922 trivial. 0 not checked.
[2022-02-20 04:48:07,463 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 04:48:07,463 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647870972]
[2022-02-20 04:48:07,463 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647870972] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 04:48:07,463 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959378444]
[2022-02-20 04:48:07,463 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-20 04:48:07,464 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 04:48:07,464 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:48:07,468 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-20 04:48:07,479 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-20 04:48:08,392 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s)
[2022-02-20 04:48:08,392 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 04:48:08,434 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2759 conjuncts, 484 conjunts are in the unsatisfiable core
[2022-02-20 04:48:08,448 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 04:48:25,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 66515 backedges. 37382 proven. 9801 refuted. 0 times theorem prover too weak. 19332 trivial. 0 not checked.
[2022-02-20 04:48:25,233 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 04:48:36,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 66515 backedges. 37382 proven. 9801 refuted. 0 times theorem prover too weak. 19332 trivial. 0 not checked.
[2022-02-20 04:48:36,431 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959378444] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 04:48:36,431 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 04:48:36,432 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [183, 170, 170] total 420
[2022-02-20 04:48:36,432 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798298022]
[2022-02-20 04:48:36,432 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 04:48:36,433 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 420 states
[2022-02-20 04:48:36,433 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 04:48:36,438 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 420 interpolants.
[2022-02-20 04:48:36,447 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36642, Invalid=139338, Unknown=0, NotChecked=0, Total=175980
[2022-02-20 04:48:36,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:48:36,447 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 04:48:36,448 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 420 states, 420 states have (on average 3.414285714285714) internal successors, (1434), 420 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-20 04:48:36,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:48:36,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:48:36,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 459 states. 
[2022-02-20 04:48:36,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 373 states. 
[2022-02-20 04:48:36,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:49:23,028 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 7328 transitions and produced 5660 states.
[2022-02-20 04:49:23,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:49:23,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:49:23,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. 
[2022-02-20 04:49:23,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 373 states. 
[2022-02-20 04:49:23,030 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. 
[2022-02-20 04:49:23,053 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-20 04:49:23,235 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
[2022-02-20 04:49:23,236 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] ===
[2022-02-20 04:49:23,236 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 04:49:23,236 INFO  L85        PathProgramCache]: Analyzing trace with hash -1682175205, now seen corresponding path program 6 times
[2022-02-20 04:49:23,236 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 04:49:23,236 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952943625]
[2022-02-20 04:49:23,236 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 04:49:23,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 04:49:26,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 04:49:37,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 107572 backedges. 48672 proven. 38503 refuted. 0 times theorem prover too weak. 20397 trivial. 0 not checked.
[2022-02-20 04:49:37,661 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 04:49:37,661 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952943625]
[2022-02-20 04:49:37,661 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952943625] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 04:49:37,661 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617724339]
[2022-02-20 04:49:37,661 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-20 04:49:37,661 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 04:49:37,661 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 04:49:37,663 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-20 04:49:37,664 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-20 04:49:39,222 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 190 check-sat command(s)
[2022-02-20 04:49:39,222 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 04:49:39,265 INFO  L263         TraceCheckSpWp]: Trace formula consists of 3500 conjuncts, 303 conjunts are in the unsatisfiable core
[2022-02-20 04:49:39,280 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 04:50:22,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 107572 backedges. 60484 proven. 28724 refuted. 0 times theorem prover too weak. 18364 trivial. 0 not checked.
[2022-02-20 04:50:22,511 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 04:51:20,601 INFO  L134       CoverageAnalysis]: Checked inductivity of 107572 backedges. 55095 proven. 34119 refuted. 0 times theorem prover too weak. 18358 trivial. 0 not checked.
[2022-02-20 04:51:20,602 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [617724339] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 04:51:20,602 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 04:51:20,602 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [187, 297, 303] total 753
[2022-02-20 04:51:20,603 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746450671]
[2022-02-20 04:51:20,603 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 04:51:20,605 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 754 states
[2022-02-20 04:51:20,605 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 04:51:20,619 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 754 interpolants.
[2022-02-20 04:51:20,642 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=112067, Invalid=455695, Unknown=0, NotChecked=0, Total=567762
[2022-02-20 04:51:20,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-20 04:51:20,642 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 04:51:20,644 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 754 states, 754 states have (on average 3.114058355437666) internal successors, (2348), 753 states have internal predecessors, (2348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-20 04:51:20,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. 
[2022-02-20 04:51:20,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. 
[2022-02-20 04:51:20,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 459 states. 
[2022-02-20 04:51:20,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 373 states. 
[2022-02-20 04:51:20,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. 
[2022-02-20 04:51:20,644 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Received shutdown request...
[2022-02-20 04:56:06,695 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-20 04:56:06,695 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-20 04:56:06,695 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-20 04:56:06,781 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-20 04:56:06,960 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
[2022-02-20 04:56:06,961 WARN  L594      AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal.
[2022-02-20 04:56:06,962 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining)
[2022-02-20 04:56:06,963 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining)
[2022-02-20 04:56:06,963 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining)
[2022-02-20 04:56:06,963 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining)
[2022-02-20 04:56:06,963 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining)
[2022-02-20 04:56:06,969 INFO  L732         BasicCegarLoop]: Path program histogram: [6]
[2022-02-20 04:56:06,970 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-20 04:56:06,971 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-20 04:56:06,972 INFO  L202        PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:56:06 BasicIcfg
[2022-02-20 04:56:06,973 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-20 04:56:06,973 INFO  L158              Benchmark]: Toolchain (without parser) took 733646.29ms. Allocated memory was 184.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 141.2MB in the beginning and 547.7MB in the end (delta: -406.5MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB.
[2022-02-20 04:56:06,973 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-20 04:56:06,974 INFO  L158              Benchmark]: Boogie Procedure Inliner took 24.21ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 139.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-20 04:56:06,974 INFO  L158              Benchmark]: Boogie Preprocessor took 13.72ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 138.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-20 04:56:06,975 INFO  L158              Benchmark]: RCFGBuilder took 249.09ms. Allocated memory is still 184.5MB. Free memory was 138.6MB in the beginning and 128.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-20 04:56:06,975 INFO  L158              Benchmark]: TraceAbstraction took 733353.89ms. Allocated memory was 184.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 127.9MB in the beginning and 547.7MB in the end (delta: -419.8MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB.
[2022-02-20 04:56:06,977 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 0.11ms. Allocated memory is still 184.5MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 24.21ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 139.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 13.72ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 138.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 249.09ms. Allocated memory is still 184.5MB. Free memory was 138.6MB in the beginning and 128.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 733353.89ms. Allocated memory was 184.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 127.9MB in the beginning and 547.7MB in the end (delta: -419.8MB). Peak memory consumption was 2.1GB. 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: 80]: Timeout (TraceAbstraction)
    Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal.
  - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal.
  - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal.
  - 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 executing DepthFirstTraversal.
  - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal.
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 9 procedures, 52 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 733.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 479.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2371, 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: 0.4s SsaConstructionTime, 10.8s SatisfiabilityAnalysisTime, 240.9s InterpolantComputationTime, 9376 NumberOfCodeBlocks, 9370 NumberOfCodeBlocksAsserted, 406 NumberOfCheckSat, 14046 ConstructedInterpolants, 0 QuantifiedInterpolants, 81424 SizeOfPredicates, 23 NumberOfNonLiveVariables, 13000 ConjunctsInSsa, 1331 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 596915/868383 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