/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-27 09:31:09,655 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-27 09:31:09,709 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-27 09:31:09,713 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-27 09:31:09,713 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-27 09:31:09,733 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-27 09:31:09,733 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-27 09:31:09,734 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-27 09:31:09,734 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-27 09:31:09,734 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-27 09:31:09,735 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-27 09:31:09,735 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-27 09:31:09,735 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-27 09:31:09,736 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-27 09:31:09,736 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-27 09:31:09,736 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-27 09:31:09,737 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-27 09:31:09,737 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-27 09:31:09,737 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-27 09:31:09,737 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-27 09:31:09,738 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-27 09:31:09,742 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-27 09:31:09,743 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-27 09:31:09,743 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-27 09:31:09,743 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-27 09:31:09,745 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-27 09:31:09,745 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-27 09:31:09,746 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-27 09:31:09,746 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-27 09:31:09,746 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 09:31:09,746 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-27 09:31:09,747 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-27 09:31:09,747 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-27 09:31:09,747 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-27 09:31:09,748 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-27 09:31:09,748 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-27 09:31:09,748 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-27 09:31:09,748 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-27 09:31:09,749 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-27 09:31:09,749 INFO  L153        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/UGemCutter-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
[2024-04-27 09:31:10,010 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-27 09:31:10,029 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-27 09:31:10,031 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-27 09:31:10,033 INFO  L270        PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-27 09:31:10,034 INFO  L274        PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-27 09:31:10,035 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl
[2024-04-27 09:31:10,035 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl'
[2024-04-27 09:31:10,077 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-27 09:31:10,078 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-27 09:31:10,081 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-27 09:31:10,081 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-27 09:31:10,081 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-27 09:31:10,095 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,105 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,110 INFO  L138                Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-27 09:31:10,111 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-27 09:31:10,113 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-27 09:31:10,113 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-27 09:31:10,113 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-27 09:31:10,143 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,143 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,148 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,149 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,153 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,156 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,156 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,157 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,158 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-27 09:31:10,159 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-27 09:31:10,159 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-27 09:31:10,159 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-27 09:31:10,160 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/1) ...
[2024-04-27 09:31:10,166 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 09:31:10,173 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 09:31:10,194 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-04-27 09:31:10,204 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-04-27 09:31:10,240 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-27 09:31:10,240 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-27 09:31:10,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-27 09:31:10,241 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-27 09:31:10,241 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-27 09:31:10,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-27 09:31:10,241 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-27 09:31:10,242 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-27 09:31:10,242 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-27 09:31:10,242 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-27 09:31:10,295 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-27 09:31:10,297 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-27 09:31:10,453 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-27 09:31:10,480 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-27 09:31:10,480 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2024-04-27 09:31:10,482 INFO  L201        PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 09:31:10 BoogieIcfgContainer
[2024-04-27 09:31:10,482 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-27 09:31:10,485 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-27 09:31:10,485 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-27 09:31:10,489 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-27 09:31:10,489 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 09:31:10" (1/2) ...
[2024-04-27 09:31:10,490 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24076539 and model type two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 09:31:10, skipping insertion in model container
[2024-04-27 09:31:10,490 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 09:31:10" (2/2) ...
[2024-04-27 09:31:10,495 INFO  L112   eAbstractionObserver]: Analyzing ICFG two-queue.wvr.bpl
[2024-04-27 09:31:10,504 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-27 09:31:10,511 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-27 09:31:10,512 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-27 09:31:10,512 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-27 09:31:10,542 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-04-27 09:31:10,586 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-27 09:31:10,586 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-27 09:31:10,586 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 09:31:10,589 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-04-27 09:31:10,609 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-04-27 09:31:10,626 INFO  L187   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-27 09:31:10,638 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:10,640 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-27 09:31:10,647 INFO  L357      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, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36d9d4cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-04-27 09:31:10,648 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-04-27 09:31:10,674 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:10,676 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:10,676 INFO  L85        PathProgramCache]: Analyzing trace with hash -480927146, now seen corresponding path program 1 times
[2024-04-27 09:31:10,684 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:10,685 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334479404]
[2024-04-27 09:31:10,685 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:10,685 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:10,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:10,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:10,874 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:10,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334479404]
[2024-04-27 09:31:10,876 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334479404] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 09:31:10,877 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 09:31:10,877 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-27 09:31:10,880 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519948957]
[2024-04-27 09:31:10,881 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 09:31:10,885 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-27 09:31:10,885 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:10,912 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-27 09:31:10,913 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-27 09:31:10,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:10,917 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:10,919 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-04-27 09:31:10,919 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:10,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:10,978 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-27 09:31:10,979 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:10,979 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:10,979 INFO  L85        PathProgramCache]: Analyzing trace with hash -614845677, now seen corresponding path program 1 times
[2024-04-27 09:31:10,980 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:10,980 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57975737]
[2024-04-27 09:31:10,980 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:10,980 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:10,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:11,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:11,051 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:11,051 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57975737]
[2024-04-27 09:31:11,051 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57975737] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 09:31:11,052 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 09:31:11,052 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-27 09:31:11,052 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681961671]
[2024-04-27 09:31:11,052 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 09:31:11,053 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-27 09:31:11,053 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:11,054 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-27 09:31:11,054 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-27 09:31:11,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:11,055 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:11,055 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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)
[2024-04-27 09:31:11,055 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,055 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:11,121 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,121 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,122 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-27 09:31:11,122 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:11,123 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:11,123 INFO  L85        PathProgramCache]: Analyzing trace with hash 663509181, now seen corresponding path program 1 times
[2024-04-27 09:31:11,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:11,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679683390]
[2024-04-27 09:31:11,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:11,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:11,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:11,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:11,169 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:11,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679683390]
[2024-04-27 09:31:11,169 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679683390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 09:31:11,169 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 09:31:11,170 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-27 09:31:11,170 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340620853]
[2024-04-27 09:31:11,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 09:31:11,170 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-27 09:31:11,170 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:11,171 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-27 09:31:11,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-27 09:31:11,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:11,172 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:11,172 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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)
[2024-04-27 09:31:11,172 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,172 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,172 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:11,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:11,278 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-04-27 09:31:11,278 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:11,278 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:11,279 INFO  L85        PathProgramCache]: Analyzing trace with hash 1491712860, now seen corresponding path program 1 times
[2024-04-27 09:31:11,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:11,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421447618]
[2024-04-27 09:31:11,279 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:11,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:11,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:11,806 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:11,807 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:11,807 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421447618]
[2024-04-27 09:31:11,807 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421447618] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 09:31:11,807 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583204712]
[2024-04-27 09:31:11,807 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:11,808 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:11,808 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 09:31:11,816 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 09:31:11,870 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-27 09:31:11,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:11,901 INFO  L262         TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 19 conjunts are in the unsatisfiable core
[2024-04-27 09:31:11,905 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 09:31:12,124 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9
[2024-04-27 09:31:12,193 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14
[2024-04-27 09:31:12,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:12,255 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 09:31:12,496 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 09:31:12,497 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37
[2024-04-27 09:31:12,586 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 09:31:12,586 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37
[2024-04-27 09:31:12,718 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:12,719 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583204712] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 09:31:12,719 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 09:31:12,719 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26
[2024-04-27 09:31:12,719 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552972373]
[2024-04-27 09:31:12,720 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 09:31:12,721 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-04-27 09:31:12,721 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:12,724 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-04-27 09:31:12,725 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702
[2024-04-27 09:31:12,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:12,725 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:12,726 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 26 states have internal predecessors, (46), 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)
[2024-04-27 09:31:12,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:12,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:12,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:12,726 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:13,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:13,309 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-04-27 09:31:13,504 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:13,506 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:13,506 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:13,506 INFO  L85        PathProgramCache]: Analyzing trace with hash -946972391, now seen corresponding path program 2 times
[2024-04-27 09:31:13,507 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:13,507 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413401957]
[2024-04-27 09:31:13,507 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:13,507 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:13,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:13,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:13,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:13,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413401957]
[2024-04-27 09:31:13,612 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413401957] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 09:31:13,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152605419]
[2024-04-27 09:31:13,612 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-27 09:31:13,613 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:13,613 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 09:31:13,615 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 09:31:13,619 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-27 09:31:13,654 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-27 09:31:13,654 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 09:31:13,655 INFO  L262         TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-27 09:31:13,656 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 09:31:13,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 09:31:13,702 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 09:31:13,702 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [152605419] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 09:31:13,702 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 09:31:13,702 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4
[2024-04-27 09:31:13,703 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501694559]
[2024-04-27 09:31:13,703 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 09:31:13,703 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 09:31:13,703 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:13,703 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 09:31:13,704 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-04-27 09:31:13,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:13,704 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:13,704 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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)
[2024-04-27 09:31:13,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:13,704 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:13,769 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,769 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:13,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:13,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:13,783 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-04-27 09:31:13,976 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:13,977 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:13,977 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:13,977 INFO  L85        PathProgramCache]: Analyzing trace with hash 331382467, now seen corresponding path program 3 times
[2024-04-27 09:31:13,977 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:13,977 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231228554]
[2024-04-27 09:31:13,978 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:13,978 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:13,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:14,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 09:31:14,027 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:14,028 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231228554]
[2024-04-27 09:31:14,028 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231228554] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 09:31:14,028 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550369338]
[2024-04-27 09:31:14,028 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-27 09:31:14,028 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:14,028 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 09:31:14,029 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 09:31:14,038 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-27 09:31:14,071 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-27 09:31:14,071 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 09:31:14,072 INFO  L262         TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-27 09:31:14,073 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 09:31:14,092 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 09:31:14,092 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 09:31:14,092 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550369338] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 09:31:14,092 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 09:31:14,092 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4
[2024-04-27 09:31:14,093 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421976954]
[2024-04-27 09:31:14,093 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 09:31:14,093 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 09:31:14,093 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:14,093 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 09:31:14,094 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-04-27 09:31:14,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:14,094 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:14,094 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2024-04-27 09:31:14,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:14,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:14,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:14,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:14,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:14,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:14,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:14,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:14,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:14,148 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:14,148 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:14,148 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:14,159 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-04-27 09:31:14,354 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:14,354 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:14,355 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:14,355 INFO  L85        PathProgramCache]: Analyzing trace with hash 586116706, now seen corresponding path program 4 times
[2024-04-27 09:31:14,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:14,355 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927755925]
[2024-04-27 09:31:14,355 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:14,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:14,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:14,967 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 09:31:14,967 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:14,967 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927755925]
[2024-04-27 09:31:14,967 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927755925] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 09:31:14,967 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241759279]
[2024-04-27 09:31:14,968 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-27 09:31:14,968 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:14,968 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 09:31:14,969 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 09:31:14,985 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-27 09:31:15,004 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-27 09:31:15,004 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 09:31:15,005 INFO  L262         TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core
[2024-04-27 09:31:15,006 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 09:31:15,167 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2024-04-27 09:31:15,178 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2024-04-27 09:31:15,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 09:31:15,238 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 09:31:15,482 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 09:31:15,483 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35
[2024-04-27 09:31:15,578 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 09:31:15,578 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27
[2024-04-27 09:31:15,689 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 09:31:15,689 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [241759279] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 09:31:15,689 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 09:31:15,689 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 32
[2024-04-27 09:31:15,690 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576816287]
[2024-04-27 09:31:15,690 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 09:31:15,695 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2024-04-27 09:31:15,696 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:15,697 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2024-04-27 09:31:15,698 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=925, Unknown=0, NotChecked=0, Total=1056
[2024-04-27 09:31:15,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:15,698 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:15,698 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 33 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 32 states have internal predecessors, (58), 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)
[2024-04-27 09:31:15,698 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:15,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:15,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:15,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:15,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:15,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:15,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:16,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:16,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:16,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:16,437 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:16,437 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:16,437 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:16,437 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-04-27 09:31:16,447 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-04-27 09:31:16,643 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-04-27 09:31:16,643 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-27 09:31:16,644 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 09:31:16,644 INFO  L85        PathProgramCache]: Analyzing trace with hash 95164914, now seen corresponding path program 5 times
[2024-04-27 09:31:16,644 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 09:31:16,644 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987369949]
[2024-04-27 09:31:16,644 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 09:31:16,644 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 09:31:16,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 09:31:17,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-04-27 09:31:17,174 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 09:31:17,174 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987369949]
[2024-04-27 09:31:17,174 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987369949] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 09:31:17,174 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478490803]
[2024-04-27 09:31:17,175 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-27 09:31:17,175 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:17,175 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 09:31:17,177 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 09:31:17,201 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-04-27 09:31:17,234 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2024-04-27 09:31:17,234 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 09:31:17,236 INFO  L262         TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 38 conjunts are in the unsatisfiable core
[2024-04-27 09:31:17,238 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 09:31:17,383 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2024-04-27 09:31:17,397 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2024-04-27 09:31:17,448 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-04-27 09:31:17,449 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 09:31:17,645 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 09:31:17,646 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35
[2024-04-27 09:31:17,770 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 09:31:17,771 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29
[2024-04-27 09:31:18,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-04-27 09:31:18,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478490803] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 09:31:18,004 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 09:31:18,004 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 37
[2024-04-27 09:31:18,004 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688746012]
[2024-04-27 09:31:18,004 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 09:31:18,006 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2024-04-27 09:31:18,006 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 09:31:18,006 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2024-04-27 09:31:18,007 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1252, Unknown=0, NotChecked=0, Total=1406
[2024-04-27 09:31:18,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:18,007 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 09:31:18,007 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 38 states have (on average 2.0526315789473686) internal successors, (78), 37 states have internal predecessors, (78), 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)
[2024-04-27 09:31:18,007 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:18,007 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:18,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:18,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 09:31:18,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:18,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:18,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2024-04-27 09:31:18,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 09:31:19,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:19,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:19,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 09:31:19,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-04-27 09:31:19,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:19,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 09:31:19,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-04-27 09:31:19,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2024-04-27 09:31:19,456 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining)
[2024-04-27 09:31:19,456 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-04-27 09:31:19,456 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-04-27 09:31:19,465 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-04-27 09:31:19,662 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 09:31:19,666 INFO  L448         BasicCegarLoop]: Path program histogram: [5, 1, 1, 1]
[2024-04-27 09:31:19,669 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-04-27 09:31:19,669 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-04-27 09:31:19,672 INFO  L201        PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 09:31:19 BasicIcfg
[2024-04-27 09:31:19,672 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-04-27 09:31:19,673 INFO  L158              Benchmark]: Toolchain (without parser) took 9594.29ms. Allocated memory was 233.8MB in the beginning and 286.3MB in the end (delta: 52.4MB). Free memory was 204.8MB in the beginning and 108.1MB in the end (delta: 96.8MB). Peak memory consumption was 148.5MB. Max. memory is 8.0GB.
[2024-04-27 09:31:19,673 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-27 09:31:19,673 INFO  L158              Benchmark]: Boogie Procedure Inliner took 30.47ms. Allocated memory is still 233.8MB. Free memory was 204.8MB in the beginning and 203.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-27 09:31:19,673 INFO  L158              Benchmark]: Boogie Preprocessor took 45.14ms. Allocated memory is still 233.8MB. Free memory was 203.2MB in the beginning and 201.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-04-27 09:31:19,673 INFO  L158              Benchmark]: RCFGBuilder took 322.81ms. Allocated memory is still 233.8MB. Free memory was 201.7MB in the beginning and 191.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2024-04-27 09:31:19,674 INFO  L158              Benchmark]: TraceAbstraction took 9187.53ms. Allocated memory was 233.8MB in the beginning and 286.3MB in the end (delta: 52.4MB). Free memory was 190.0MB in the beginning and 108.1MB in the end (delta: 81.9MB). Peak memory consumption was 136.0MB. Max. memory is 8.0GB.
[2024-04-27 09:31:19,675 INFO  L338   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 0.14ms. Allocated memory is still 155.2MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 30.47ms. Allocated memory is still 233.8MB. Free memory was 204.8MB in the beginning and 203.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 45.14ms. Allocated memory is still 233.8MB. Free memory was 203.2MB in the beginning and 201.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 322.81ms. Allocated memory is still 233.8MB. Free memory was 201.7MB in the beginning and 191.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 9187.53ms. Allocated memory was 233.8MB in the beginning and 286.3MB in the end (delta: 52.4MB). Free memory was 190.0MB in the beginning and 108.1MB in the end (delta: 81.9MB). Peak memory consumption was 136.0MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1022, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 303, dependent conditional: 284, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 732, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 732, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 732, independent: 719, independent conditional: 688, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 322, independent unconditional: 397, dependent: 85, dependent conditional: 55, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 99, independent: 84, independent conditional: 23, independent unconditional: 61, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 99, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 84, dependent conditional: 52, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 804, independent: 635, independent conditional: 245, independent unconditional: 390, dependent: 70, dependent conditional: 29, dependent unconditional: 41, unknown: 99, unknown conditional: 36, unknown unconditional: 63] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 84, Positive conditional cache size: 23, Positive unconditional cache size: 61, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 67, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 322, independent unconditional: 397, dependent: 85, dependent conditional: 55, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 804, independent: 719, independent conditional: 268, independent unconditional: 451, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 99, independent: 84, independent conditional: 23, independent unconditional: 61, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 99, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 84, dependent conditional: 52, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 804, independent: 635, independent conditional: 245, independent unconditional: 390, dependent: 70, dependent conditional: 29, dependent unconditional: 41, unknown: 99, unknown conditional: 36, unknown unconditional: 63] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 84, Positive conditional cache size: 23, Positive unconditional cache size: 61, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 67 ], Independence queries for same thread: 290
  - PositiveResult [Line: 62]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 91, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 2928 SizeOfPredicates, 29 NumberOfNonLiveVariables, 380 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 77/240 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, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-04-27 09:31:19,695 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-04-27 09:31:19,901 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...