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


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 19:36:22,401 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-09 19:36:22,493 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf
[2022-02-09 19:36:22,516 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-09 19:36:22,516 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 19:36:22,516 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 19:36:22,516 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 19:36:22,517 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 19:36:22,517 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 19:36:22,517 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 19:36:22,517 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-09 19:36:22,517 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-09 19:36:22,518 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 19:36:22,518 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-09 19:36:22,518 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-09 19:36:22,518 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-09 19:36:22,518 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-09 19:36:22,518 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-09 19:36:22,519 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-09 19:36:22,519 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 19:36:22,519 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-09 19:36:22,520 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 19:36:22,699 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 19:36:22,715 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 19:36:22,717 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 19:36:22,718 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-09 19:36:22,723 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-09 19:36:22,724 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl
[2022-02-09 19:36:22,725 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl'
[2022-02-09 19:36:22,744 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 19:36:22,747 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-09 19:36:22,748 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 19:36:22,748 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 19:36:22,749 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 19:36:22,756 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,762 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,771 INFO  L137                Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-09 19:36:22,772 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 19:36:22,774 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 19:36:22,774 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 19:36:22,774 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 19:36:22,779 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,780 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,780 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,780 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,782 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,784 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,784 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,785 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 19:36:22,785 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 19:36:22,785 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 19:36:22,785 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-09 19:36:22,786 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/1) ...
[2022-02-09 19:36:22,791 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 19:36:22,796 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:36:22,812 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-09 19:36:22,813 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-09 19:36:22,836 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-09 19:36:22,837 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-09 19:36:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-09 19:36:22,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-09 19:36:22,837 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-09 19:36:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-09 19:36:22,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-09 19:36:22,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 19:36:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 19:36:22,838 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 19:36:22,870 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-09 19:36:22,872 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 19:36:22,955 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-09 19:36:22,968 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 19:36:22,968 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 19:36:22,971 INFO  L202        PluginConnector]: Adding new model inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:36:22 BoogieIcfgContainer
[2022-02-09 19:36:22,971 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 19:36:22,981 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 19:36:22,981 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 19:36:22,997 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-09 19:36:22,997 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:36:22" (1/2) ...
[2022-02-09 19:36:22,998 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a1d854 and model type inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 07:36:22, skipping insertion in model container
[2022-02-09 19:36:22,998 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:36:22" (2/2) ...
[2022-02-09 19:36:22,999 INFO  L111   eAbstractionObserver]: Analyzing ICFG inc-subseq.wvr.bpl
[2022-02-09 19:36:23,002 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 19:36:23,002 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 19:36:23,002 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 19:36:23,002 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 19:36:23,037 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-02-09 19:36:23,067 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-09 19:36:23,067 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:36:23,068 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-09 19:36:23,069 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-09 19:36:23,091 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 19:36:23,095 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-02-09 19:36:23,095 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-09 19:36:23,102 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 28 transitions, 72 flow
[2022-02-09 19:36:23,120 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 63 states, 62 states have (on average 2.0161290322580645) internal successors, (125), 62 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-09 19:36:23,163 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 518 transitions and produced 494 states.
[2022-02-09 19:36:23,164 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 19:36:23,168 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:36:23,168 INFO  L85        PathProgramCache]: Analyzing trace with hash 1195702461, now seen corresponding path program 1 times
[2022-02-09 19:36:23,174 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:36:23,174 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86805145]
[2022-02-09 19:36:23,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:36:23,174 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:36:23,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:36:24,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 3076 backedges. 2946 proven. 107 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2022-02-09 19:36:24,190 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:36:24,191 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86805145]
[2022-02-09 19:36:24,191 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86805145] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:36:24,191 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70077875]
[2022-02-09 19:36:24,192 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:36:24,192 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:36:24,192 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:36:24,194 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:36:24,195 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-09 19:36:24,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:36:24,328 INFO  L263         TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 43 conjunts are in the unsatisfiable core
[2022-02-09 19:36:24,341 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:36:24,909 INFO  L134       CoverageAnalysis]: Checked inductivity of 3076 backedges. 3049 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2022-02-09 19:36:24,909 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:36:25,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 3076 backedges. 3049 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2022-02-09 19:36:25,682 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [70077875] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:36:25,682 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:36:25,682 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 62
[2022-02-09 19:36:25,684 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124670132]
[2022-02-09 19:36:25,684 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:36:25,687 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 63 states
[2022-02-09 19:36:25,687 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:36:25,700 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants.
[2022-02-09 19:36:25,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1922, Invalid=1984, Unknown=0, NotChecked=0, Total=3906
[2022-02-09 19:36:25,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 19:36:25,706 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:36:25,707 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 63 states, 63 states have (on average 5.888888888888889) internal successors, (371), 62 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-09 19:36:25,707 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 19:36:26,191 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1241 transitions and produced 1053 states.
[2022-02-09 19:36:26,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 19:36:26,213 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-09 19:36:26,411 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
[2022-02-09 19:36:26,411 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 19:36:26,412 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:36:26,412 INFO  L85        PathProgramCache]: Analyzing trace with hash 1107165506, now seen corresponding path program 2 times
[2022-02-09 19:36:26,412 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:36:26,413 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90494040]
[2022-02-09 19:36:26,413 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:36:26,413 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:36:26,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:36:28,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 11932 backedges. 9528 proven. 2367 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2022-02-09 19:36:28,059 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:36:28,059 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90494040]
[2022-02-09 19:36:28,059 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90494040] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:36:28,059 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904215781]
[2022-02-09 19:36:28,059 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 19:36:28,059 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:36:28,059 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:36:28,060 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:36:28,062 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-09 19:36:28,235 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 19:36:28,235 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:36:28,240 INFO  L263         TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 99 conjunts are in the unsatisfiable core
[2022-02-09 19:36:28,273 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:36:29,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 11932 backedges. 9712 proven. 2183 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2022-02-09 19:36:29,004 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 19:36:30,034 INFO  L134       CoverageAnalysis]: Checked inductivity of 11932 backedges. 9712 proven. 2183 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2022-02-09 19:36:30,035 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904215781] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 19:36:30,035 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 19:36:30,035 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 87
[2022-02-09 19:36:30,035 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181885240]
[2022-02-09 19:36:30,035 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 19:36:30,037 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 88 states
[2022-02-09 19:36:30,037 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 19:36:30,039 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants.
[2022-02-09 19:36:30,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3770, Invalid=3886, Unknown=0, NotChecked=0, Total=7656
[2022-02-09 19:36:30,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 19:36:30,041 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 19:36:30,041 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 88 states, 88 states have (on average 7.715909090909091) internal successors, (679), 87 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-09 19:36:30,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 19:36:30,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-09 19:36:30,817 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1943 transitions and produced 1594 states.
[2022-02-09 19:36:30,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2022-02-09 19:36:30,817 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-09 19:36:30,834 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-09 19:36:31,019 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
[2022-02-09 19:36:31,020 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 19:36:31,020 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 19:36:31,020 INFO  L85        PathProgramCache]: Analyzing trace with hash -269878875, now seen corresponding path program 3 times
[2022-02-09 19:36:31,020 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 19:36:31,021 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920182070]
[2022-02-09 19:36:31,021 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 19:36:31,021 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 19:36:31,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 19:36:33,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 27295 backedges. 19599 proven. 7659 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2022-02-09 19:36:33,804 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 19:36:33,805 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920182070]
[2022-02-09 19:36:33,805 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920182070] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 19:36:33,805 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507873453]
[2022-02-09 19:36:33,805 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 19:36:33,805 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 19:36:33,805 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 19:36:33,806 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 19:36:33,807 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-09 19:36:34,417 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s)
[2022-02-09 19:36:34,418 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 19:36:34,439 WARN  L261         TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 748 conjunts are in the unsatisfiable core
[2022-02-09 19:36:34,452 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 19:37:20,558 WARN  L230               Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")

[2022-02-09 19:37:20,558 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 101
[2022-02-09 19:37:20,561 WARN  L325   FreeRefinementEngine]: Global settings require throwing the following exception
[2022-02-09 19:37:20,580 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2022-02-09 19:37:20,765 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
[2022-02-09 19:37:20,766 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.<init>(PredicateUnifier.java:773)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:163)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:93)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:79)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:156)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658)
	at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239)
	... 46 more
[2022-02-09 19:37:20,775 INFO  L158              Benchmark]: Toolchain (without parser) took 58029.00ms. Allocated memory was 187.7MB in the beginning and 342.9MB in the end (delta: 155.2MB). Free memory was 151.2MB in the beginning and 151.9MB in the end (delta: -639.8kB). Peak memory consumption was 155.3MB. Max. memory is 8.0GB.
[2022-02-09 19:37:20,775 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 19:37:20,776 INFO  L158              Benchmark]: Boogie Procedure Inliner took 24.05ms. Allocated memory is still 187.7MB. Free memory was 151.2MB in the beginning and 149.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 19:37:20,777 INFO  L158              Benchmark]: Boogie Preprocessor took 10.71ms. Allocated memory is still 187.7MB. Free memory was 149.7MB in the beginning and 148.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 19:37:20,788 INFO  L158              Benchmark]: RCFGBuilder took 185.88ms. Allocated memory is still 187.7MB. Free memory was 148.7MB in the beginning and 139.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-09 19:37:20,788 INFO  L158              Benchmark]: TraceAbstraction took 57792.41ms. Allocated memory was 187.7MB in the beginning and 342.9MB in the end (delta: 155.2MB). Free memory was 138.8MB in the beginning and 151.9MB in the end (delta: -13.1MB). Peak memory consumption was 143.7MB. Max. memory is 8.0GB.
[2022-02-09 19:37:20,790 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 24.05ms. Allocated memory is still 187.7MB. Free memory was 151.2MB in the beginning and 149.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 10.71ms. Allocated memory is still 187.7MB. Free memory was 149.7MB in the beginning and 148.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 185.88ms. Allocated memory is still 187.7MB. Free memory was 148.7MB in the beginning and 139.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
 * TraceAbstraction took 57792.41ms. Allocated memory was 187.7MB in the beginning and 342.9MB in the end (delta: 155.2MB). Free memory was 138.8MB in the beginning and 151.9MB in the end (delta: -13.1MB). Peak memory consumption was 143.7MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-02-09 19:37:20,817 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
Received shutdown request...