/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-28 16:04:44,102 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-04-28 16:04:44,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-28 16:04:44,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-04-28 16:04:44,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-28 16:04:44,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-28 16:04:44,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-28 16:04:44,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-28 16:04:44,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-28 16:04:44,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-28 16:04:44,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-28 16:04:44,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-04-28 16:04:44,206 INFO L153 SettingsManager]: * Use SBE=true
[2024-04-28 16:04:44,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-28 16:04:44,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-04-28 16:04:44,207 INFO L153 SettingsManager]: * sizeof long=4
[2024-04-28 16:04:44,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-04-28 16:04:44,207 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-04-28 16:04:44,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-04-28 16:04:44,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-04-28 16:04:44,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-28 16:04:44,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-04-28 16:04:44,208 INFO L153 SettingsManager]: * sizeof long double=12
[2024-04-28 16:04:44,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-04-28 16:04:44,209 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-04-28 16:04:44,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-28 16:04:44,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-04-28 16:04:44,209 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-04-28 16:04:44,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-04-28 16:04:44,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 16:04:44,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-28 16:04:44,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-28 16:04:44,211 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10
[2024-04-28 16:04:44,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-28 16:04:44,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-28 16:04:44,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-28 16:04:44,464 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-28 16:04:44,464 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-28 16:04:44,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl
[2024-04-28 16:04:44,465 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl'
[2024-04-28 16:04:44,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-28 16:04:44,499 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-28 16:04:44,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-28 16:04:44,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-28 16:04:44,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-28 16:04:44,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,532 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-28 16:04:44,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-28 16:04:44,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-28 16:04:44,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-28 16:04:44,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-04-28 16:04:44,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-28 16:04:44,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-28 16:04:44,552 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-04-28 16:04:44,552 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-04-28 16:04:44,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/1) ...
[2024-04-28 16:04:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 16:04:44,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 16:04:44,579 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)
[2024-04-28 16:04:44,607 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
[2024-04-28 16:04:44,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-28 16:04:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-04-28 16:04:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-28 16:04:44,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-28 16:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-04-28 16:04:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-28 16:04:44,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-28 16:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-28 16:04:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-28 16:04:44,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2024-04-28 16:04:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-04-28 16:04:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-28 16:04:44,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2024-04-28 16:04:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread4
[2024-04-28 16:04:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4
[2024-04-28 16:04:44,650 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-28 16:04:44,687 INFO L241 CfgBuilder]: Building ICFG
[2024-04-28 16:04:44,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-28 16:04:44,771 INFO L282 CfgBuilder]: Performing block encoding
[2024-04-28 16:04:44,779 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-28 16:04:44,779 INFO L309 CfgBuilder]: Removed 4 assume(true) statements.
[2024-04-28 16:04:44,781 INFO L201 PluginConnector]: Adding new model spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:04:44 BoogieIcfgContainer
[2024-04-28 16:04:44,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-28 16:04:44,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-28 16:04:44,783 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-04-28 16:04:44,786 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-04-28 16:04:44,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 04:04:44" (1/2) ...
[2024-04-28 16:04:44,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f642c22 and model type spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:04:44, skipping insertion in model container
[2024-04-28 16:04:44,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:04:44" (2/2) ...
[2024-04-28 16:04:44,788 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.bpl
[2024-04-28 16:04:44,794 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-28 16:04:44,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-28 16:04:44,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-28 16:04:44,803 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-28 16:04:44,886 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-04-28 16:04:44,922 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-28 16:04:44,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-28 16:04:44,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 16:04:44,925 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)
[2024-04-28 16:04:44,948 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
[2024-04-28 16:04:44,976 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-28 16:04:44,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 16:04:44,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-28 16:04:45,011 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;@76f462b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-04-28 16:04:45,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-04-28 16:04:45,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-28 16:04:45,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 16:04:45,165 INFO L85 PathProgramCache]: Analyzing trace with hash -531107952, now seen corresponding path program 1 times
[2024-04-28 16:04:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 16:04:45,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358854219]
[2024-04-28 16:04:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 16:04:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 16:04:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 16:04:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 16:04:45,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 16:04:45,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358854219]
[2024-04-28 16:04:45,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358854219] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 16:04:45,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 16:04:45,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-04-28 16:04:45,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689610602]
[2024-04-28 16:04:45,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 16:04:45,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 16:04:45,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 16:04:45,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 16:04:45,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-04-28 16:04:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 16:04:45,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 16:04:45,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) 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)
[2024-04-28 16:04:45,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 16:04:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 16:04:46,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-28 16:04:46,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-28 16:04:46,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 16:04:46,456 INFO L85 PathProgramCache]: Analyzing trace with hash 477152652, now seen corresponding path program 1 times
[2024-04-28 16:04:46,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 16:04:46,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297476701]
[2024-04-28 16:04:46,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 16:04:46,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 16:04:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 16:04:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 16:04:46,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 16:04:46,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297476701]
[2024-04-28 16:04:46,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297476701] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 16:04:46,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 16:04:46,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-04-28 16:04:46,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275706496]
[2024-04-28 16:04:46,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 16:04:46,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 16:04:46,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 16:04:46,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 16:04:46,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-04-28 16:04:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-04-28 16:04:46,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 16:04:46,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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)
[2024-04-28 16:04:46,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-04-28 16:04:46,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-04-28 16:04:47,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 16:04:47,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-04-28 16:04:47,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining)
[2024-04-28 16:04:47,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining)
[2024-04-28 16:04:47,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2024-04-28 16:04:47,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2024-04-28 16:04:47,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2024-04-28 16:04:47,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-28 16:04:47,788 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-04-28 16:04:47,791 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-04-28 16:04:47,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2024-04-28 16:04:47,794 INFO L201 PluginConnector]: Adding new model spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 04:04:47 BasicIcfg
[2024-04-28 16:04:47,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-04-28 16:04:47,796 INFO L158 Benchmark]: Toolchain (without parser) took 3295.50ms. Allocated memory is still 302.0MB. Free memory was 275.2MB in the beginning and 239.8MB in the end (delta: 35.4MB). Peak memory consumption was 34.7MB. Max. memory is 8.0GB.
[2024-04-28 16:04:47,798 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-28 16:04:47,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.31ms. Allocated memory is still 302.0MB. Free memory was 275.2MB in the beginning and 273.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-04-28 16:04:47,799 INFO L158 Benchmark]: Boogie Preprocessor took 15.89ms. Allocated memory is still 302.0MB. Free memory was 273.0MB in the beginning and 272.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-28 16:04:47,799 INFO L158 Benchmark]: RCFGBuilder took 229.41ms. Allocated memory is still 302.0MB. Free memory was 272.0MB in the beginning and 262.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2024-04-28 16:04:47,800 INFO L158 Benchmark]: TraceAbstraction took 3011.46ms. Allocated memory is still 302.0MB. Free memory was 260.8MB in the beginning and 239.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB.
[2024-04-28 16:04:47,804 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 157.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 33.31ms. Allocated memory is still 302.0MB. Free memory was 275.2MB in the beginning and 273.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 15.89ms. Allocated memory is still 302.0MB. Free memory was 273.0MB in the beginning and 272.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 229.41ms. Allocated memory is still 302.0MB. Free memory was 272.0MB in the beginning and 262.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 3011.46ms. Allocated memory is still 302.0MB. Free memory was 260.8MB in the beginning and 239.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 93745, independent: 78624, independent conditional: 66786, independent unconditional: 11838, dependent: 15121, dependent conditional: 12543, dependent unconditional: 2578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81927, independent: 78624, independent conditional: 66786, independent unconditional: 11838, dependent: 3303, dependent conditional: 2627, dependent unconditional: 676, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81927, independent: 78624, independent conditional: 66786, independent unconditional: 11838, dependent: 3303, dependent conditional: 2627, dependent unconditional: 676, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 81927, independent: 78624, independent conditional: 66786, independent unconditional: 11838, dependent: 3303, dependent conditional: 2627, dependent unconditional: 676, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87019, independent: 78624, independent conditional: 33603, independent unconditional: 45021, dependent: 8395, dependent conditional: 3425, dependent unconditional: 4970, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 87019, independent: 78624, independent conditional: 10945, independent unconditional: 67679, dependent: 8395, dependent conditional: 0, dependent unconditional: 8395, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 87019, independent: 78624, independent conditional: 10945, independent unconditional: 67679, dependent: 8395, dependent conditional: 0, dependent unconditional: 8395, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, independent: 339, independent conditional: 29, independent unconditional: 310, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 87019, independent: 78285, independent conditional: 10916, independent unconditional: 67369, dependent: 8377, dependent conditional: 0, dependent unconditional: 8377, unknown: 357, unknown conditional: 29, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 339, Positive conditional cache size: 29, Positive unconditional cache size: 310, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26083, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87019, independent: 78624, independent conditional: 33603, independent unconditional: 45021, dependent: 8395, dependent conditional: 3425, dependent unconditional: 4970, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 87019, independent: 78624, independent conditional: 10945, independent unconditional: 67679, dependent: 8395, dependent conditional: 0, dependent unconditional: 8395, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 87019, independent: 78624, independent conditional: 10945, independent unconditional: 67679, dependent: 8395, dependent conditional: 0, dependent unconditional: 8395, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, independent: 339, independent conditional: 29, independent unconditional: 310, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 87019, independent: 78285, independent conditional: 10916, independent unconditional: 67369, dependent: 8377, dependent conditional: 0, dependent unconditional: 8377, unknown: 357, unknown conditional: 29, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 339, Positive conditional cache size: 29, Positive unconditional cache size: 310, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26083 ], Independence queries for same thread: 11818
- PositiveResult [Line: 66]: 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 9 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.4s, 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: 8, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5/5 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: 1.3s, 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!
[2024-04-28 16:04:47,820 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
[2024-04-28 16:04:48,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...