/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 18:50:16,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 18:50:16,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 18:50:16,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 18:50:16,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-08-22 18:50:16,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 18:50:16,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 18:50:16,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 18:50:16,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 18:50:16,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 18:50:16,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 18:50:16,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 18:50:16,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 18:50:16,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 18:50:16,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 18:50:16,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 18:50:16,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 18:50:16,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 18:50:16,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 18:50:16,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 18:50:16,580 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 18:50:16,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr15.bpl [2021-08-22 18:50:16,580 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr15.bpl' [2021-08-22 18:50:16,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 18:50:16,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 18:50:16,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 18:50:16,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 18:50:16,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 18:50:16,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 18:50:16,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 18:50:16,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 18:50:16,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 18:50:16,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 18:50:16,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 18:50:16,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 18:50:16,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 18:50:16,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/1) ... [2021-08-22 18:50:16,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 18:50:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:50:16,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-22 18:50:16,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-22 18:50:16,677 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 18:50:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 18:50:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 18:50:16,677 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-08-22 18:50:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-08-22 18:50:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-08-22 18:50:16,678 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 18:50:16,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 18:50:16,816 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-22 18:50:16,818 INFO L202 PluginConnector]: Adding new model incr-decr15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:50:16 BoogieIcfgContainer [2021-08-22 18:50:16,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 18:50:16,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 18:50:16,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 18:50:16,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 18:50:16,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:50:16" (1/2) ... [2021-08-22 18:50:16,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e27e7a and model type incr-decr15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:50:16, skipping insertion in model container [2021-08-22 18:50:16,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:50:16" (2/2) ... [2021-08-22 18:50:16,824 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr15.bpl [2021-08-22 18:50:16,827 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 18:50:16,827 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 18:50:16,828 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 18:50:16,828 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 18:50:17,118 INFO L148 ThreadInstanceAdder]: Constructed 15 joinOtherThreadTransitions. [2021-08-22 18:50:17,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 18:50:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:50:17,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 18:50:17,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 18:50:17,198 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 18:50:17,207 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 18:50:17,207 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-08-22 18:50:18,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2021-08-22 18:50:18,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:50:18,015 INFO L82 PathProgramCache]: Analyzing trace with hash -807436601, now seen corresponding path program 1 times [2021-08-22 18:50:18,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:50:18,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058771195] [2021-08-22 18:50:18,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:50:18,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:50:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:50:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:50:18,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:50:18,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058771195] [2021-08-22 18:50:18,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058771195] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:50:18,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17665051] [2021-08-22 18:50:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:50:18,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 18:50:18,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:50:18,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 18:50:18,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 18:50:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:50:18,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-22 18:50:18,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 18:50:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:50:19,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17665051] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 18:50:19,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 18:50:19,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 16 [2021-08-22 18:50:19,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066833167] [2021-08-22 18:50:19,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-22 18:50:19,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:50:19,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-22 18:50:19,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2021-08-22 18:50:19,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:50:19,349 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:50:19,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.529411764705882) internal successors, (77), 17 states have internal predecessors, (77), 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) [2021-08-22 18:50:19,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:51:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 18:51:28,082 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 18:51:28,083 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 18:51:28,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 18:51:28,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 18:51:28,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 18:51:28,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 18:51:28,084 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 18:51:28,085 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 18:51:28,085 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 18:51:28,085 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 18:51:28,085 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-22 18:51:28,086 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10INUSE_VIOLATION [2021-08-22 18:51:28,086 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11INUSE_VIOLATION [2021-08-22 18:51:28,086 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12INUSE_VIOLATION [2021-08-22 18:51:28,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13INUSE_VIOLATION [2021-08-22 18:51:28,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14INUSE_VIOLATION [2021-08-22 18:51:28,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 18:51:28,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-22 18:51:28,305 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 18:51:28,305 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 18:51:28,306 INFO L202 PluginConnector]: Adding new model incr-decr15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:51:28 BasicIcfg [2021-08-22 18:51:28,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 18:51:28,308 INFO L168 Benchmark]: Toolchain (without parser) took 71708.20 ms. Allocated memory was 209.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 189.8 MB in the beginning and 5.4 GB in the end (delta: -5.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-08-22 18:51:28,308 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 209.7 MB. Free memory was 191.0 MB in the beginning and 190.9 MB in the end (delta: 90.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 18:51:28,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.40 ms. Allocated memory is still 209.7 MB. Free memory was 189.8 MB in the beginning and 188.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 18:51:28,309 INFO L168 Benchmark]: Boogie Preprocessor took 10.31 ms. Allocated memory is still 209.7 MB. Free memory was 188.2 MB in the beginning and 187.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 18:51:28,309 INFO L168 Benchmark]: RCFGBuilder took 189.03 ms. Allocated memory is still 209.7 MB. Free memory was 187.2 MB in the beginning and 176.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-22 18:51:28,309 INFO L168 Benchmark]: TraceAbstraction took 71485.93 ms. Allocated memory was 209.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 176.1 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-08-22 18:51:28,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 209.7 MB. Free memory was 191.0 MB in the beginning and 190.9 MB in the end (delta: 90.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.40 ms. Allocated memory is still 209.7 MB. Free memory was 189.8 MB in the beginning and 188.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.31 ms. Allocated memory is still 209.7 MB. Free memory was 188.2 MB in the beginning and 187.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 189.03 ms. Allocated memory is still 209.7 MB. Free memory was 187.2 MB in the beginning and 176.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 71485.93 ms. Allocated memory was 209.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 176.1 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4049877, positive: 3953389, positive conditional: 3946506, positive unconditional: 6883, negative: 96488, negative conditional: 96488, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3946506, positive unconditional: 6883, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3946506, positive unconditional: 6883, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3939428, positive unconditional: 13961, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3830751, positive unconditional: 122638, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3830751, positive unconditional: 122638, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6058, positive: 6058, positive conditional: 325, positive unconditional: 5733, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6058, positive: 5218, positive conditional: 0, positive unconditional: 5218, negative: 840, negative conditional: 0, negative unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 840, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 577, positive: 577, positive conditional: 0, positive unconditional: 577, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3953389, positive: 3947331, positive conditional: 3830426, positive unconditional: 116905, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6058, unknown conditional: 325, unknown unconditional: 5733] , Statistics on independence cache: Total cache size (in pairs): 6058, Positive cache size: 6058, Positive conditional cache size: 325, Positive unconditional cache size: 5733, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 108677, Maximal queried relation: 0, Independence queries for same thread: 96488 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 13879, Number of persistent set computation: 96190, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6883, positive: 6883, positive conditional: 0, positive unconditional: 6883, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4049877, positive: 3953389, positive conditional: 3946506, positive unconditional: 6883, negative: 96488, negative conditional: 96488, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3946506, positive unconditional: 6883, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3946506, positive unconditional: 6883, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3939428, positive unconditional: 13961, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3830751, positive unconditional: 122638, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3953389, positive: 3953389, positive conditional: 3830751, positive unconditional: 122638, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6058, positive: 6058, positive conditional: 325, positive unconditional: 5733, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6058, positive: 5218, positive conditional: 0, positive unconditional: 5218, negative: 840, negative conditional: 0, negative unconditional: 840, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 840, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 577, positive: 577, positive conditional: 0, positive unconditional: 577, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3953389, positive: 3947331, positive conditional: 3830426, positive unconditional: 116905, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6058, unknown conditional: 325, unknown unconditional: 5733] , Statistics on independence cache: Total cache size (in pairs): 6058, Positive cache size: 6058, Positive conditional cache size: 325, Positive unconditional cache size: 5733, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 108677, Maximal queried relation: 0, Independence queries for same thread: 96488 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 17 procedures, 98 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 71142.8ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.9ms, PartialOrderReductionTime: 69501.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32.2ms SsaConstructionTime, 135.7ms SatisfiabilityAnalysisTime, 1026.9ms InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 1064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 560 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 0/30 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-22 18:51:28,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-22 18:51:28,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...