/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 10:37:12,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 10:37:12,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 10:37:12,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 10:37:12,651 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-08-23 10:37:12,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 10:37:12,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 10:37:12,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 10:37:12,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 10:37:12,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 10:37:12,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 10:37:12,678 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 10:37:12,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 10:37:12,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 10:37:12,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 10:37:12,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 10:37:12,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 10:37:12,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 10:37:12,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 10:37:12,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:37:12,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 10:37:12,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 10:37:12,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 10:37:12,682 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 10:37:12,682 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 10:37:12,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 10:37:12,682 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 10:37:12,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 10:37:12,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 10:37:12,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 10:37:12,935 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 10:37:12,936 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 10:37:12,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl [2021-08-23 10:37:12,937 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl' [2021-08-23 10:37:12,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 10:37:12,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 10:37:12,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 10:37:12,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 10:37:12,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 10:37:12,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 10:37:12,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 10:37:12,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 10:37:12,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 10:37:12,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:12,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 10:37:12,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 10:37:12,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 10:37:12,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 10:37:12,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/1) ... [2021-08-23 10:37:13,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:37:13,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:37:13,016 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) [2021-08-23 10:37:13,023 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 [2021-08-23 10:37:13,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-23 10:37:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-23 10:37:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-23 10:37:13,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-23 10:37:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-23 10:37:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-23 10:37:13,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 10:37:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 10:37:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 10:37:13,063 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 10:37:13,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 10:37:13,270 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-23 10:37:13,271 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-23 10:37:13,272 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:37:13 BoogieIcfgContainer [2021-08-23 10:37:13,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 10:37:13,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 10:37:13,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 10:37:13,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 10:37:13,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:37:12" (1/2) ... [2021-08-23 10:37:13,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dca4095 and model type bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:37:13, skipping insertion in model container [2021-08-23 10:37:13,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:37:13" (2/2) ... [2021-08-23 10:37:13,277 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert08.bpl [2021-08-23 10:37:13,280 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 10:37:13,280 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 10:37:13,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 10:37:13,281 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 10:37:13,338 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-23 10:37:13,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 10:37:13,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:37:13,369 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) [2021-08-23 10:37:13,378 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 [2021-08-23 10:37:13,395 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ServerThreadThread1of1ForFork0 ======== [2021-08-23 10:37:13,399 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 [2021-08-23 10:37:13,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 10:37:13,969 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ServerThreadErr0ASSERT_VIOLATIONASSERT === [ServerThreadErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:37:13,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:37:13,972 INFO L82 PathProgramCache]: Analyzing trace with hash -308018735, now seen corresponding path program 1 times [2021-08-23 10:37:13,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:37:13,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859308747] [2021-08-23 10:37:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:37:13,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:37:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:37:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-23 10:37:14,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:37:14,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859308747] [2021-08-23 10:37:14,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859308747] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:37:14,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:37:14,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 10:37:14,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165729505] [2021-08-23 10:37:14,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 10:37:14,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:37:14,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 10:37:14,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 10:37:14,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:14,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:37:14,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-08-23 10:37:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:37:14,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 10:37:14,192 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ServerThreadErr0ASSERT_VIOLATIONASSERT === [ServerThreadErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:37:14,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:37:14,193 INFO L82 PathProgramCache]: Analyzing trace with hash -63773985, now seen corresponding path program 2 times [2021-08-23 10:37:14,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:37:14,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843256999] [2021-08-23 10:37:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:37:14,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:37:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:37:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-08-23 10:37:14,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:37:14,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843256999] [2021-08-23 10:37:14,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843256999] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:37:14,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84062277] [2021-08-23 10:37:14,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 10:37:14,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:37:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:37:14,517 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) [2021-08-23 10:37:14,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 10:37:14,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 10:37:14,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 10:37:14,578 WARN L261 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 70 conjunts are in the unsatisfiable core [2021-08-23 10:37:14,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:37:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-23 10:37:15,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84062277] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:37:15,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:37:15,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 14 [2021-08-23 10:37:15,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85491108] [2021-08-23 10:37:15,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-23 10:37:15,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:37:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-23 10:37:15,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-08-23 10:37:15,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:15,038 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:37:15,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 14 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) [2021-08-23 10:37:15,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:37:15,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:15,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:37:15,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-23 10:37:15,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-23 10:37:15,836 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,SelfDestructingSolverStorable1 [2021-08-23 10:37:15,837 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ServerThreadErr0ASSERT_VIOLATIONASSERT === [ServerThreadErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:37:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:37:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1971089975, now seen corresponding path program 1 times [2021-08-23 10:37:15,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:37:15,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44744207] [2021-08-23 10:37:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:37:15,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:37:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:37:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 10:37:15,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:37:15,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44744207] [2021-08-23 10:37:15,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44744207] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:37:15,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605172302] [2021-08-23 10:37:15,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:37:15,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:37:15,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:37:15,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:37:15,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 10:37:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:37:16,073 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 60 conjunts are in the unsatisfiable core [2021-08-23 10:37:16,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:37:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-23 10:37:16,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605172302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:37:16,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:37:16,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 16 [2021-08-23 10:37:16,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814651437] [2021-08-23 10:37:16,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-23 10:37:16,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:37:16,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-23 10:37:16,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-08-23 10:37:16,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:16,404 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:37:16,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 16 states have internal predecessors, (83), 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) [2021-08-23 10:37:16,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:37:16,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-23 10:37:16,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:37:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:37:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:37:18,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 10:37:18,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:37:18,758 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ServerThreadErr0ASSERT_VIOLATIONASSERT === [ServerThreadErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:37:18,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:37:18,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1690274356, now seen corresponding path program 1 times [2021-08-23 10:37:18,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:37:18,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319983646] [2021-08-23 10:37:18,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:37:18,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:37:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:37:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 10:37:18,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:37:18,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319983646] [2021-08-23 10:37:18,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319983646] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:37:18,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535506480] [2021-08-23 10:37:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:37:18,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:37:18,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:37:18,937 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 10:37:18,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 10:37:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:37:19,066 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-08-23 10:37:19,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 10:37:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-23 10:37:19,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535506480] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 10:37:19,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 10:37:19,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 18 [2021-08-23 10:37:19,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69821330] [2021-08-23 10:37:19,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-23 10:37:19,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:37:19,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-23 10:37:19,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2021-08-23 10:37:19,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:19,432 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:37:19,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 18 states have internal predecessors, (87), 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) [2021-08-23 10:37:19,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:37:19,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:37:19,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-23 10:37:19,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:37:31,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:37:31,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 10:37:31,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 10:37:31,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 10:37:31,966 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ServerThreadErr0ASSERT_VIOLATIONASSERT [2021-08-23 10:37:32,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 10:37:32,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 10:37:32,173 INFO L308 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-08-23 10:37:32,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 10:37:32,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:37:32,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 10:37:32,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2021-08-23 10:37:32,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 10:37:32,184 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 [2021-08-23 10:37:32,184 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-08-23 10:37:48,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 10:37:48,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 10:37:48,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 10:37:48,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 10:37:48,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-23 10:37:48,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-23 10:37:48,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-23 10:37:48,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-23 10:37:48,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-23 10:37:48,885 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2021-08-23 10:37:48,885 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 10:37:48,885 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 10:37:48,887 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 10:37:48 BasicIcfg [2021-08-23 10:37:48,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 10:37:48,888 INFO L168 Benchmark]: Toolchain (without parser) took 35934.32 ms. Allocated memory was 196.1 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 176.8 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-08-23 10:37:48,889 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 196.1 MB. Free memory is still 177.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 10:37:48,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.46 ms. Allocated memory is still 196.1 MB. Free memory was 176.8 MB in the beginning and 175.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 10:37:48,889 INFO L168 Benchmark]: Boogie Preprocessor took 12.89 ms. Allocated memory is still 196.1 MB. Free memory was 174.9 MB in the beginning and 173.9 MB in the end (delta: 910.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 10:37:48,889 INFO L168 Benchmark]: RCFGBuilder took 278.41 ms. Allocated memory is still 196.1 MB. Free memory was 173.9 MB in the beginning and 160.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-23 10:37:48,890 INFO L168 Benchmark]: TraceAbstraction took 35613.68 ms. Allocated memory was 196.1 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 160.0 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-08-23 10:37:48,891 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 0.12 ms. Allocated memory is still 196.1 MB. Free memory is still 177.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.46 ms. Allocated memory is still 196.1 MB. Free memory was 176.8 MB in the beginning and 175.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.89 ms. Allocated memory is still 196.1 MB. Free memory was 174.9 MB in the beginning and 173.9 MB in the end (delta: 910.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 278.41 ms. Allocated memory is still 196.1 MB. Free memory was 173.9 MB in the beginning and 160.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35613.68 ms. Allocated memory was 196.1 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 160.0 MB in the beginning and 5.6 GB in the end (delta: -5.4 GB). Peak memory consumption was 2.1 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: 3093051, positive: 2955575, positive conditional: 2953646, positive unconditional: 1929, negative: 137476, negative conditional: 137306, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2955960, positive: 2955575, positive conditional: 2953646, positive unconditional: 1929, negative: 385, negative conditional: 215, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2955960, positive: 2955575, positive conditional: 2953646, positive unconditional: 1929, negative: 385, negative conditional: 215, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2966767, positive: 2955575, positive conditional: 2952065, positive unconditional: 3510, negative: 11192, negative conditional: 10807, negative unconditional: 385, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2966767, positive: 2955575, positive conditional: 2178826, positive unconditional: 776749, negative: 11192, negative conditional: 10801, negative unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2966767, positive: 2955575, positive conditional: 2178826, positive unconditional: 776749, negative: 11192, negative conditional: 10801, negative unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3131, positive: 2916, positive conditional: 1094, positive unconditional: 1822, negative: 215, negative conditional: 45, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3131, positive: 1867, positive conditional: 0, positive unconditional: 1867, negative: 1264, negative conditional: 0, negative unconditional: 1264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1264, positive: 1049, positive conditional: 905, positive unconditional: 144, negative: 215, negative conditional: 45, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1839, positive: 1461, positive conditional: 1158, positive unconditional: 303, negative: 377, negative conditional: 44, negative unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2966767, positive: 2952659, positive conditional: 2177732, positive unconditional: 774927, negative: 10977, negative conditional: 10756, negative unconditional: 221, unknown: 3131, unknown conditional: 1139, unknown unconditional: 1992] , Statistics on independence cache: Total cache size (in pairs): 3131, Positive cache size: 2916, Positive conditional cache size: 1094, Positive unconditional cache size: 1822, Negative cache size: 215, Negative conditional cache size: 45, Negative unconditional cache size: 170, Eliminated conditions: 773245, Maximal queried relation: 3, Independence queries for same thread: 137091 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 4692, Number of persistent set computation: 44190, Number of trivial persistent sets: 30807, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2099, positive: 1929, positive conditional: 0, positive unconditional: 1929, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3093051, positive: 2955575, positive conditional: 2953646, positive unconditional: 1929, negative: 137476, negative conditional: 137306, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2955960, positive: 2955575, positive conditional: 2953646, positive unconditional: 1929, negative: 385, negative conditional: 215, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2955960, positive: 2955575, positive conditional: 2953646, positive unconditional: 1929, negative: 385, negative conditional: 215, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2966767, positive: 2955575, positive conditional: 2952065, positive unconditional: 3510, negative: 11192, negative conditional: 10807, negative unconditional: 385, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2966767, positive: 2955575, positive conditional: 2178826, positive unconditional: 776749, negative: 11192, negative conditional: 10801, negative unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2966767, positive: 2955575, positive conditional: 2178826, positive unconditional: 776749, negative: 11192, negative conditional: 10801, negative unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3131, positive: 2916, positive conditional: 1094, positive unconditional: 1822, negative: 215, negative conditional: 45, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3131, positive: 1867, positive conditional: 0, positive unconditional: 1867, negative: 1264, negative conditional: 0, negative unconditional: 1264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1264, positive: 1049, positive conditional: 905, positive unconditional: 144, negative: 215, negative conditional: 45, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1839, positive: 1461, positive conditional: 1158, positive unconditional: 303, negative: 377, negative conditional: 44, negative unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2966767, positive: 2952659, positive conditional: 2177732, positive unconditional: 774927, negative: 10977, negative conditional: 10756, negative unconditional: 221, unknown: 3131, unknown conditional: 1139, unknown unconditional: 1992] , Statistics on independence cache: Total cache size (in pairs): 3131, Positive cache size: 2916, Positive conditional cache size: 1094, Positive unconditional cache size: 1822, Negative cache size: 215, Negative conditional cache size: 45, Negative unconditional cache size: 170, Eliminated conditions: 773245, Maximal queried relation: 3, Independence queries for same thread: 137091 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8772796, positive: 6659945, positive conditional: 6658012, positive unconditional: 1933, negative: 2112851, negative conditional: 2112684, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 6658012, positive unconditional: 1933, negative: 1493648, negative conditional: 1493481, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 6658012, positive unconditional: 1933, negative: 1493648, negative conditional: 1493481, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 0, positive unconditional: 6659945, negative: 1493648, negative conditional: 0, negative unconditional: 1493648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 0, positive unconditional: 6659945, negative: 1493648, negative conditional: 0, negative unconditional: 1493648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 0, positive unconditional: 6659945, negative: 1493648, negative conditional: 0, negative unconditional: 1493648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2007, positive: 1826, positive conditional: 0, positive unconditional: 1826, negative: 181, negative conditional: 0, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2007, positive: 1699, positive conditional: 0, positive unconditional: 1699, negative: 308, negative conditional: 0, negative unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 308, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 181, negative conditional: 0, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 295, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8153593, positive: 6658119, positive conditional: 0, positive unconditional: 6658119, negative: 1493467, negative conditional: 0, negative unconditional: 1493467, unknown: 2007, unknown conditional: 0, unknown unconditional: 2007] , Statistics on independence cache: Total cache size (in pairs): 2007, Positive cache size: 1826, Positive conditional cache size: 0, Positive unconditional cache size: 1826, Negative cache size: 181, Negative conditional cache size: 0, Negative unconditional cache size: 181, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 619203 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1916, Number of persistent set computation: 25454, Number of trivial persistent sets: 24427, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2100, positive: 1933, positive conditional: 0, positive unconditional: 1933, negative: 167, negative conditional: 0, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8772796, positive: 6659945, positive conditional: 6658012, positive unconditional: 1933, negative: 2112851, negative conditional: 2112684, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 6658012, positive unconditional: 1933, negative: 1493648, negative conditional: 1493481, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 6658012, positive unconditional: 1933, negative: 1493648, negative conditional: 1493481, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 0, positive unconditional: 6659945, negative: 1493648, negative conditional: 0, negative unconditional: 1493648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 0, positive unconditional: 6659945, negative: 1493648, negative conditional: 0, negative unconditional: 1493648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8153593, positive: 6659945, positive conditional: 0, positive unconditional: 6659945, negative: 1493648, negative conditional: 0, negative unconditional: 1493648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2007, positive: 1826, positive conditional: 0, positive unconditional: 1826, negative: 181, negative conditional: 0, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2007, positive: 1699, positive conditional: 0, positive unconditional: 1699, negative: 308, negative conditional: 0, negative unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 308, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 181, negative conditional: 0, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 295, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8153593, positive: 6658119, positive conditional: 0, positive unconditional: 6658119, negative: 1493467, negative conditional: 0, negative unconditional: 1493467, unknown: 2007, unknown conditional: 0, unknown unconditional: 2007] , Statistics on independence cache: Total cache size (in pairs): 2007, Positive cache size: 1826, Positive conditional cache size: 0, Positive unconditional cache size: 1826, Negative cache size: 181, Negative conditional cache size: 0, Negative unconditional cache size: 181, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 619203 - 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: 77]: 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: ServerThreadThread1of1ForFork0 with 1 thread instances CFG has 12 procedures, 67 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 18807.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 15837.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 24.4ms SsaConstructionTime, 143.5ms SatisfiabilityAnalysisTime, 1779.3ms InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 1604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 323 ConjunctsInSsa, 195 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 163/268 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 12 procedures, 67 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 16710.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 16696.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: 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! [2021-08-23 10:37:48,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2021-08-23 10:37:49,121 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 [2021-08-23 10:37:49,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...