/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-27 08:32:19,216 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-04-27 08:32:19,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-27 08:32:19,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-04-27 08:32:19,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-27 08:32:19,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-27 08:32:19,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-27 08:32:19,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-27 08:32:19,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-27 08:32:19,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-27 08:32:19,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-27 08:32:19,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-04-27 08:32:19,308 INFO L153 SettingsManager]: * Use SBE=true
[2024-04-27 08:32:19,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-27 08:32:19,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-04-27 08:32:19,324 INFO L153 SettingsManager]: * sizeof long=4
[2024-04-27 08:32:19,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-04-27 08:32:19,324 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-04-27 08:32:19,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-04-27 08:32:19,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-04-27 08:32:19,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-27 08:32:19,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-04-27 08:32:19,325 INFO L153 SettingsManager]: * sizeof long double=12
[2024-04-27 08:32:19,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-04-27 08:32:19,326 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-04-27 08:32:19,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-27 08:32:19,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-04-27 08:32:19,326 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-04-27 08:32:19,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-04-27 08:32:19,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 08:32:19,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-27 08:32:19,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-04-27 08:32:19,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-27 08:32:19,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-27 08:32:19,327 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-27 08:32:19,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-27 08:32:19,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-04-27 08:32:19,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-27 08:32:19,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-27 08:32:19,329 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546
[2024-04-27 08:32:19,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-27 08:32:19,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-27 08:32:19,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-27 08:32:19,583 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-27 08:32:19,584 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-27 08:32:19,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl
[2024-04-27 08:32:19,586 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl'
[2024-04-27 08:32:19,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-27 08:32:19,656 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-27 08:32:19,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-27 08:32:19,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-27 08:32:19,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-27 08:32:19,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,677 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-27 08:32:19,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-27 08:32:19,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-27 08:32:19,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-27 08:32:19,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-04-27 08:32:19,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-27 08:32:19,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-27 08:32:19,707 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-04-27 08:32:19,707 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-04-27 08:32:19,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/1) ...
[2024-04-27 08:32:19,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 08:32:19,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 08:32:19,739 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 08:32:19,760 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 08:32:19,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-27 08:32:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-04-27 08:32:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-27 08:32:19,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-27 08:32:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-04-27 08:32:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-27 08:32:19,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-27 08:32:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-27 08:32:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-27 08:32:19,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2024-04-27 08:32:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-04-27 08:32:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-27 08:32:19,778 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 08:32:19,821 INFO L241 CfgBuilder]: Building ICFG
[2024-04-27 08:32:19,824 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-27 08:32:19,952 INFO L282 CfgBuilder]: Performing block encoding
[2024-04-27 08:32:19,971 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-27 08:32:19,971 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2024-04-27 08:32:19,973 INFO L201 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 08:32:19 BoogieIcfgContainer
[2024-04-27 08:32:19,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-27 08:32:19,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-27 08:32:19,974 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-04-27 08:32:19,981 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-04-27 08:32:19,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:32:19" (1/2) ...
[2024-04-27 08:32:19,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dfeee9 and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 08:32:19, skipping insertion in model container
[2024-04-27 08:32:19,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 08:32:19" (2/2) ...
[2024-04-27 08:32:19,991 INFO L112 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl
[2024-04-27 08:32:19,998 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-27 08:32:20,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-27 08:32:20,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-27 08:32:20,005 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-27 08:32:20,053 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-04-27 08:32:20,103 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-27 08:32:20,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-27 08:32:20,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 08:32:20,107 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 08:32:20,118 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 08:32:20,152 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-27 08:32:20,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:20,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-27 08:32:20,166 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;@4760b4f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false
[2024-04-27 08:32:20,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-04-27 08:32:20,189 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 08:32:20,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:20,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1208028525, now seen corresponding path program 1 times
[2024-04-27 08:32:20,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 08:32:20,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617084178]
[2024-04-27 08:32:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:20,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 08:32:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:20,423 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 08:32:20,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 08:32:20,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617084178]
[2024-04-27 08:32:20,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617084178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 08:32:20,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 08:32:20,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-04-27 08:32:20,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972643096]
[2024-04-27 08:32:20,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 08:32:20,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-04-27 08:32:20,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 08:32:20,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-04-27 08:32:20,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-04-27 08:32:20,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:20,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 08:32:20,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 08:32:20,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:20,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-27 08:32:20,508 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 08:32:20,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:20,508 INFO L85 PathProgramCache]: Analyzing trace with hash 990956557, now seen corresponding path program 1 times
[2024-04-27 08:32:20,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 08:32:20,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339090576]
[2024-04-27 08:32:20,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:20,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 08:32:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:20,555 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 08:32:20,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 08:32:20,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339090576]
[2024-04-27 08:32:20,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339090576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 08:32:20,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 08:32:20,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-04-27 08:32:20,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595583643]
[2024-04-27 08:32:20,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 08:32:20,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 08:32:20,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 08:32:20,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 08:32:20,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-04-27 08:32:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:20,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 08:32:20,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 08:32:20,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:20,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:20,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:20,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-27 08:32:20,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 08:32:20,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:20,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1118035403, now seen corresponding path program 1 times
[2024-04-27 08:32:20,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 08:32:20,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769908263]
[2024-04-27 08:32:20,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:20,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 08:32:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:21,220 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 08:32:21,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 08:32:21,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769908263]
[2024-04-27 08:32:21,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769908263] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 08:32:21,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983877755]
[2024-04-27 08:32:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:21,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:32:21,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 08:32:21,232 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 08:32:21,233 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 08:32:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:21,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjunts are in the unsatisfiable core
[2024-04-27 08:32:21,307 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 08:32:21,665 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 52 treesize of output 38
[2024-04-27 08:32:21,845 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 08:32:21,846 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 08:32:22,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 08:32:22,150 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 107 treesize of output 95
[2024-04-27 08:32:22,361 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 08:32:22,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983877755] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 08:32:22,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 08:32:22,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17
[2024-04-27 08:32:22,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414920948]
[2024-04-27 08:32:22,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 08:32:22,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-04-27 08:32:22,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 08:32:22,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-04-27 08:32:22,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306
[2024-04-27 08:32:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:22,374 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 08:32:22,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 17 states have internal predecessors, (60), 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 08:32:22,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:22,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:22,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-04-27 08:32:22,629 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 08:32:22,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-04-27 08:32:22,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 08:32:22,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1596352521, now seen corresponding path program 2 times
[2024-04-27 08:32:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 08:32:22,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440527649]
[2024-04-27 08:32:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 08:32:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:22,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 08:32:22,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440527649]
[2024-04-27 08:32:22,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440527649] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 08:32:22,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910988919]
[2024-04-27 08:32:22,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-27 08:32:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:32:22,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 08:32:22,881 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 08:32:22,883 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 08:32:22,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-27 08:32:22,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 08:32:22,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-04-27 08:32:22,912 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 08:32:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:22,974 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 08:32:23,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 08:32:23,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910988919] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 08:32:23,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 08:32:23,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13
[2024-04-27 08:32:23,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066165331]
[2024-04-27 08:32:23,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 08:32:23,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-04-27 08:32:23,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 08:32:23,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-04-27 08:32:23,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2024-04-27 08:32:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:23,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 08:32:23,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 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 08:32:23,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:23,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:23,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states.
[2024-04-27 08:32:23,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-04-27 08:32:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-04-27 08:32:23,182 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 08:32:23,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:32:23,381 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 08:32:23,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1948585591, now seen corresponding path program 3 times
[2024-04-27 08:32:23,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 08:32:23,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023879585]
[2024-04-27 08:32:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:23,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 08:32:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:23,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 08:32:23,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023879585]
[2024-04-27 08:32:23,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023879585] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 08:32:23,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239666625]
[2024-04-27 08:32:23,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-27 08:32:23,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:32:23,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 08:32:23,446 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 08:32:23,450 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 08:32:23,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-27 08:32:23,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 08:32:23,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-04-27 08:32:23,476 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 08:32:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:23,520 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 08:32:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:23,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239666625] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 08:32:23,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 08:32:23,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13
[2024-04-27 08:32:23,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569791002]
[2024-04-27 08:32:23,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 08:32:23,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-04-27 08:32:23,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 08:32:23,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-04-27 08:32:23,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2024-04-27 08:32:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:23,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 08:32:23,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 08:32:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states.
[2024-04-27 08:32:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-04-27 08:32:23,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:23,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:23,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-04-27 08:32:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-04-27 08:32:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-04-27 08:32:23,770 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 08:32:23,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:32:23,970 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 08:32:23,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1988455353, now seen corresponding path program 4 times
[2024-04-27 08:32:23,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 08:32:23,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754844745]
[2024-04-27 08:32:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:23,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 08:32:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:25,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 08:32:25,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754844745]
[2024-04-27 08:32:25,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754844745] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 08:32:25,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477825960]
[2024-04-27 08:32:25,009 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-27 08:32:25,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:32:25,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 08:32:25,011 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 08:32:25,054 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 08:32:25,061 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-27 08:32:25,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 08:32:25,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 32 conjunts are in the unsatisfiable core
[2024-04-27 08:32:25,063 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 08:32:25,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 95
[2024-04-27 08:32:25,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:25,716 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 08:32:26,796 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 08:32:26,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 393 treesize of output 269
[2024-04-27 08:32:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:28,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477825960] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 08:32:28,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 08:32:28,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 25
[2024-04-27 08:32:28,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161541445]
[2024-04-27 08:32:28,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 08:32:28,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-04-27 08:32:28,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 08:32:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-04-27 08:32:28,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650
[2024-04-27 08:32:28,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:28,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 08:32:28,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.769230769230769) internal successors, (72), 25 states have internal predecessors, (72), 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 08:32:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states.
[2024-04-27 08:32:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states.
[2024-04-27 08:32:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-04-27 08:32:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-27 08:32:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-04-27 08:32:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-27 08:32:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-04-27 08:32:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-04-27 08:32:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-04-27 08:32:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-04-27 08:32:29,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-04-27 08:32:30,191 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,SelfDestructingSolverStorable5
[2024-04-27 08:32:30,191 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-27 08:32:30,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 08:32:30,192 INFO L85 PathProgramCache]: Analyzing trace with hash 163587903, now seen corresponding path program 5 times
[2024-04-27 08:32:30,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 08:32:30,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159647873]
[2024-04-27 08:32:30,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 08:32:30,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 08:32:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 08:32:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 08:32:35,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 08:32:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159647873]
[2024-04-27 08:32:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159647873] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 08:32:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960983523]
[2024-04-27 08:32:35,279 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-27 08:32:35,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:32:35,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 08:32:35,280 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 08:32:35,301 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 08:32:35,340 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s)
[2024-04-27 08:32:35,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 08:32:35,341 WARN L260 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 54 conjunts are in the unsatisfiable core
[2024-04-27 08:32:35,343 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 08:32:37,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 554 treesize of output 362
[2024-04-27 08:32:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 08:32:38,051 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 08:33:16,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 08:33:16,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 8903 treesize of output 3957
[2024-04-27 08:37:12,061 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-04-27 08:37:12,062 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-04-27 08:37:12,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-04-27 08:37:12,070 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 101
[2024-04-27 08:37:12,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 08:37:12,264 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/UGemCutter-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:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107)
at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:162)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110)
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:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 69 more
[2024-04-27 08:37:12,269 INFO L158 Benchmark]: Toolchain (without parser) took 292613.50ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 152.0MB in the beginning and 591.6MB in the end (delta: -439.5MB). Peak memory consumption was 846.4MB. Max. memory is 8.0GB.
[2024-04-27 08:37:12,270 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-27 08:37:12,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.73ms. Allocated memory is still 180.4MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-27 08:37:12,270 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 180.4MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-27 08:37:12,270 INFO L158 Benchmark]: RCFGBuilder took 265.99ms. Allocated memory is still 180.4MB. Free memory was 149.2MB in the beginning and 138.2MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2024-04-27 08:37:12,271 INFO L158 Benchmark]: TraceAbstraction took 292294.45ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 136.9MB in the beginning and 591.6MB in the end (delta: -454.7MB). Peak memory consumption was 831.7MB. Max. memory is 8.0GB.
[2024-04-27 08:37:12,275 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 0.09ms. Allocated memory is still 180.4MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 21.73ms. Allocated memory is still 180.4MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 26.48ms. Allocated memory is still 180.4MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 265.99ms. Allocated memory is still 180.4MB. Free memory was 149.2MB in the beginning and 138.2MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 292294.45ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 136.9MB in the beginning and 591.6MB in the end (delta: -454.7MB). Peak memory consumption was 831.7MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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/UGemCutter-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:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-04-27 08:37:12,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
Received shutdown request...