/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-incorrect06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 13:46:20,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 13:46:20,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 13:46:20,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 13:46:20,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 13:46:20,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 13:46:20,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 13:46:20,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 13:46:20,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 13:46:20,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 13:46:20,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 13:46:20,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 13:46:20,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 13:46:20,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 13:46:20,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 13:46:20,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 13:46:20,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 13:46:20,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 13:46:20,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 13:46:20,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 13:46:20,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 13:46:20,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 13:46:20,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 13:46:20,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 13:46:20,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 13:46:20,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 13:46:20,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 13:46:20,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 13:46:20,978 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 [2021-07-01 13:46:21,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 13:46:21,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 13:46:21,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 13:46:21,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 13:46:21,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 13:46:21,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 13:46:21,008 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 13:46:21,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 13:46:21,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 13:46:21,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 13:46:21,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 13:46:21,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 13:46:21,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 13:46:21,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:46:21,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 13:46:21,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 13:46:21,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 13:46:21,012 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 13:46:21,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 13:46:21,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 13:46:21,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 13:46:21,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 13:46:21,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 13:46:21,294 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 13:46:21,295 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 13:46:21,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect06.bpl [2021-07-01 13:46:21,295 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect06.bpl' [2021-07-01 13:46:21,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 13:46:21,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 13:46:21,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 13:46:21,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 13:46:21,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 13:46:21,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 13:46:21,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 13:46:21,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 13:46:21,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 13:46:21,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... [2021-07-01 13:46:21,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 13:46:21,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 13:46:21,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 13:46:21,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 13:46:21,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:46:21,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 13:46:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 13:46:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 13:46:21,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 13:46:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 13:46:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 13:46:21,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 13:46:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 13:46:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 13:46:21,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 13:46:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 13:46:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 13:46:21,404 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 13:46:21,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 13:46:21,549 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 13:46:21,551 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:46:21 BoogieIcfgContainer [2021-07-01 13:46:21,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 13:46:21,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 13:46:21,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 13:46:21,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 13:46:21,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:21" (1/2) ... [2021-07-01 13:46:21,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c706b3b and model type bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:46:21, skipping insertion in model container [2021-07-01 13:46:21,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:46:21" (2/2) ... [2021-07-01 13:46:21,556 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect06.bpl [2021-07-01 13:46:21,559 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 13:46:21,559 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 13:46:21,559 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 13:46:21,560 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 13:46:21,587 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 13:46:21,602 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:46:21,652 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:46:21,652 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:46:21,653 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:46:21,653 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:46:21,653 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:46:21,653 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:46:21,653 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:46:21,653 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 13:47:52,472 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 13:47:52,474 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:47:52,494 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:47:52,494 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:47:52,494 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:47:52,494 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:47:52,494 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:47:52,494 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:47:52,494 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:47:52,494 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 13:47:52,562 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:47:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:47:52,566 INFO L82 PathProgramCache]: Analyzing trace with hash 61132757, now seen corresponding path program 1 times [2021-07-01 13:47:52,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:47:52,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995684888] [2021-07-01 13:47:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:47:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:47:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:47:52,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:47:52,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995684888] [2021-07-01 13:47:52,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995684888] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:47:52,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:47:52,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 13:47:52,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478216366] [2021-07-01 13:47:52,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:47:52,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:47:52,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:47:52,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:47:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:52,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:47:52,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-07-01 13:47:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:52,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 13:47:52,790 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:47:52,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:47:52,791 INFO L82 PathProgramCache]: Analyzing trace with hash -440044186, now seen corresponding path program 1 times [2021-07-01 13:47:52,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:47:52,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582330571] [2021-07-01 13:47:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:47:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:47:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 13:47:52,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:47:52,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582330571] [2021-07-01 13:47:52,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582330571] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:47:52,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:47:52,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 13:47:52,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768883060] [2021-07-01 13:47:52,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:47:52,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:47:52,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:47:52,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:47:52,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:52,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:47:52,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-07-01 13:47:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:53,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 13:47:53,003 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:47:53,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:47:53,003 INFO L82 PathProgramCache]: Analyzing trace with hash -480129476, now seen corresponding path program 1 times [2021-07-01 13:47:53,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:47:53,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455104615] [2021-07-01 13:47:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:47:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:47:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 13:47:53,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:47:53,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455104615] [2021-07-01 13:47:53,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455104615] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:47:53,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:47:53,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 13:47:53,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189078454] [2021-07-01 13:47:53,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 13:47:53,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:47:53,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 13:47:53,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 13:47:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:53,200 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:47:53,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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) [2021-07-01 13:47:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:55,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:55,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:47:55,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 13:47:55,836 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:47:55,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:47:55,836 INFO L82 PathProgramCache]: Analyzing trace with hash 737367309, now seen corresponding path program 1 times [2021-07-01 13:47:55,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:47:55,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904912939] [2021-07-01 13:47:55,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:47:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:47:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 13:47:55,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:47:55,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904912939] [2021-07-01 13:47:55,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904912939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:47:55,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537916077] [2021-07-01 13:47:55,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:47:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:47:55,954 WARN L261 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-01 13:47:55,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:47:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 13:47:56,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537916077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:47:56,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:47:56,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-01 13:47:56,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446061760] [2021-07-01 13:47:56,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 13:47:56,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:47:56,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 13:47:56,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 13:47:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:56,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:47:56,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 14 states have internal predecessors, (73), 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) [2021-07-01 13:47:56,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:56,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:56,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:47:56,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:47:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:47:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:47:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 13:47:59,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:47:59,617 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:47:59,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:47:59,618 INFO L82 PathProgramCache]: Analyzing trace with hash 744078403, now seen corresponding path program 1 times [2021-07-01 13:47:59,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:47:59,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642867021] [2021-07-01 13:47:59,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:47:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 13:47:59,662 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 13:47:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 13:47:59,692 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 13:47:59,725 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-01 13:47:59,726 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-07-01 13:47:59,726 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-01 13:47:59,731 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2) [2021-07-01 13:47:59,733 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 13:47:59,757 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:47:59 BasicIcfg [2021-07-01 13:47:59,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 13:47:59,758 INFO L168 Benchmark]: Toolchain (without parser) took 98446.42 ms. Allocated memory was 205.5 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 185.7 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 526.9 MB. Max. memory is 8.0 GB. [2021-07-01 13:47:59,758 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 205.5 MB. Free memory is still 186.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 13:47:59,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 205.5 MB. Free memory was 185.4 MB in the beginning and 183.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:47:59,758 INFO L168 Benchmark]: Boogie Preprocessor took 9.46 ms. Allocated memory is still 205.5 MB. Free memory was 183.6 MB in the beginning and 182.7 MB in the end (delta: 915.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:47:59,759 INFO L168 Benchmark]: RCFGBuilder took 203.86 ms. Allocated memory is still 205.5 MB. Free memory was 182.7 MB in the beginning and 168.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 13:47:59,759 INFO L168 Benchmark]: TraceAbstraction took 98205.41 ms. Allocated memory was 205.5 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 167.5 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 508.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:47:59,759 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 0.09 ms. Allocated memory is still 205.5 MB. Free memory is still 186.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 205.5 MB. Free memory was 185.4 MB in the beginning and 183.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.46 ms. Allocated memory is still 205.5 MB. Free memory was 183.6 MB in the beginning and 182.7 MB in the end (delta: 915.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 203.86 ms. Allocated memory is still 205.5 MB. Free memory was 182.7 MB in the beginning and 168.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 98205.41 ms. Allocated memory was 205.5 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 167.5 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 508.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4478622, positive: 3857529, positive conditional: 3855760, positive unconditional: 1769, negative: 621093, negative conditional: 620997, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4142173, positive: 3857529, positive conditional: 3855760, positive unconditional: 1769, negative: 284644, negative conditional: 284548, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4142173, positive: 3857529, positive conditional: 0, positive unconditional: 3857529, negative: 284644, negative conditional: 0, negative unconditional: 284644, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1432, positive: 1357, positive conditional: 0, positive unconditional: 1357, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1432, positive: 1290, positive conditional: 0, positive unconditional: 1290, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 142, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 439, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 220, negative conditional: 0, negative unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4142173, positive: 3856172, positive conditional: 0, positive unconditional: 3856172, negative: 284569, negative conditional: 0, negative unconditional: 284569, unknown: 1432, unknown conditional: 0, unknown unconditional: 1432] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1357, Positive conditional cache size: 0, Positive unconditional cache size: 1357, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75 ], Maximal queried relation: 0, Independence queries for same thread: 336449 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 78021, Number of persistent set computation: 1218072, Number of trivial persistent sets: 1217622, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4478622, positive: 3857529, positive conditional: 3855760, positive unconditional: 1769, negative: 621093, negative conditional: 620997, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4142173, positive: 3857529, positive conditional: 3855760, positive unconditional: 1769, negative: 284644, negative conditional: 284548, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4142173, positive: 3857529, positive conditional: 0, positive unconditional: 3857529, negative: 284644, negative conditional: 0, negative unconditional: 284644, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1432, positive: 1357, positive conditional: 0, positive unconditional: 1357, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1432, positive: 1290, positive conditional: 0, positive unconditional: 1290, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 142, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 439, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 220, negative conditional: 0, negative unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4142173, positive: 3856172, positive conditional: 0, positive unconditional: 3856172, negative: 284569, negative conditional: 0, negative unconditional: 284569, unknown: 1432, unknown conditional: 0, unknown unconditional: 1432] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1357, Positive conditional cache size: 0, Positive unconditional cache size: 1357, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75 ], Maximal queried relation: 0, Independence queries for same thread: 336449 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 190543, positive: 176432, positive conditional: 175033, positive unconditional: 1399, negative: 14111, negative conditional: 14046, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 179301, positive: 176432, positive conditional: 175033, positive unconditional: 1399, negative: 2869, negative conditional: 2804, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 179301, positive: 174718, positive conditional: 0, positive unconditional: 174718, negative: 4583, negative conditional: 0, negative unconditional: 4583, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1193, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1193, positive: 1094, positive conditional: 0, positive unconditional: 1094, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 179301, positive: 173579, positive conditional: 0, positive unconditional: 173579, negative: 4529, negative conditional: 0, negative unconditional: 4529, unknown: 1193, unknown conditional: 0, unknown unconditional: 1193] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589 ], Maximal queried relation: 4, Independence queries for same thread: 11242 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 4495, Number of persistent set computation: 53487, Number of trivial persistent sets: 53448, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 190543, positive: 176432, positive conditional: 175033, positive unconditional: 1399, negative: 14111, negative conditional: 14046, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 179301, positive: 176432, positive conditional: 175033, positive unconditional: 1399, negative: 2869, negative conditional: 2804, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 179301, positive: 174718, positive conditional: 0, positive unconditional: 174718, negative: 4583, negative conditional: 0, negative unconditional: 4583, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1193, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1193, positive: 1094, positive conditional: 0, positive unconditional: 1094, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 179301, positive: 173579, positive conditional: 0, positive unconditional: 173579, negative: 4529, negative conditional: 0, negative unconditional: 4529, unknown: 1193, unknown conditional: 0, unknown unconditional: 1193] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589, SemanticConditionEliminator.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14998, positive: 1714, positive conditional: 1714, positive unconditional: 0, negative: 13284, negative conditional: 615, negative unconditional: 12669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 107, positive conditional: 62, positive unconditional: 45, negative: 88, negative conditional: 34, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 132, positive conditional: 70, positive unconditional: 63, negative: 140, negative conditional: 39, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14998, positive: 1652, positive conditional: 1652, positive unconditional: 0, negative: 13250, negative conditional: 581, negative unconditional: 12669, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1201, Positive conditional cache size: 62, Positive unconditional cache size: 1139, Negative cache size: 88, Negative conditional cache size: 34, Negative unconditional cache size: 54, Eliminated conditions: 12589 ], Maximal queried relation: 4, Independence queries for same thread: 11242 - CounterExampleResult [Line: 39]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 pendingIo := 1; VAL [pendingIo=1] [L15] 0 stopped := false; VAL [pendingIo=1, stopped=false] [L16] 0 stoppingEvent := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false] [L17] 0 stoppingFlag := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L19] FORK 0 fork 0 ServerThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L21] FORK 0 fork 1 DeviceThreadWithAssert(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 4 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 5 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L25] FORK 0 fork 5 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 6 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 6 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 4 pendingIo := pendingIo + 1; VAL [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false] [L39] 2 assert !stopped; VAL [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false] [L26] FORK 0 fork 6 DeviceThread(); VAL [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 6 pendingIo := pendingIo - 1; [L71] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 4 pendingIo := pendingIo - 1; [L71] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 2 pendingIo := pendingIo - 1; [L71] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 6 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 4 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 6 pendingIo := pendingIo + 1; VAL [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 5 pendingIo := pendingIo - 1; [L71] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 4 pendingIo := pendingIo + 1; VAL [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false] [L39] 2 assert !stopped; VAL [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 6 pendingIo := pendingIo - 1; [L71] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 4 pendingIo := pendingIo - 1; [L71] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 2 pendingIo := pendingIo - 1; [L71] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 4 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 6 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 4 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 4 pendingIo := pendingIo - 1; [L71] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 6 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L39] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 6 pendingIo := pendingIo - 1; [L71] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 2 pendingIo := pendingIo - 1; [L71] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 6 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 5 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 6 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 6 pendingIo := pendingIo - 1; [L71] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 5 pendingIo := pendingIo - 1; [L71] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L39] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 5 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 5 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 2 pendingIo := pendingIo - 1; [L71] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 5 pendingIo := pendingIo - 1; [L71] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 5 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 5 pendingIo := pendingIo - 1; [L71] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L39] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 5 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L70] 2 pendingIo := pendingIo - 1; [L71] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L83] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L93] 1 pendingIo := pendingIo - 1; [L94] COND TRUE 1 pendingIo == 0 [L95] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L62] 5 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L62] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L70] 5 pendingIo := pendingIo - 1; [L71] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L85] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L86] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L39] 2 assert !stopped; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 68 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 90858.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.8ms, PartialOrderReductionTime: 90794.6ms, 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 11 procedures, 68 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7242.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 6244.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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: 13.0ms SsaConstructionTime, 207.3ms SatisfiabilityAnalysisTime, 373.3ms InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 636 SizeOfPredicates, 1 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 18/25 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...