/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 13:15:42,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 13:15:42,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 13:15:42,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 13:15:42,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 13:15:42,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 13:15:42,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 13:15:42,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 13:15:42,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 13:15:42,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 13:15:42,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 13:15:42,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 13:15:42,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 13:15:42,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 13:15:42,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 13:15:42,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 13:15:42,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 13:15:42,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 13:15:42,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 13:15:42,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 13:15:42,516 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-Random42.epf [2021-07-01 13:15:42,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 13:15:42,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 13:15:42,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 13:15:42,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 13:15:42,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 13:15:42,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 13:15:42,551 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 13:15:42,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 13:15:42,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 13:15:42,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 13:15:42,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 13:15:42,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 13:15:42,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 13:15:42,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 13:15:42,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 13:15:42,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:15:42,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 13:15:42,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 13:15:42,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 13:15:42,555 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 13:15:42,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 13:15:42,555 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 13:15:42,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 13:15:42,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 13:15:42,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 13:15:42,812 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 13:15:42,813 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 13:15:42,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl [2021-07-01 13:15:42,813 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl' [2021-07-01 13:15:42,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 13:15:42,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 13:15:42,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 13:15:42,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 13:15:42,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 13:15:42,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 13:15:42,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 13:15:42,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 13:15:42,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 13:15:42,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/1) ... [2021-07-01 13:15:42,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 13:15:42,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 13:15:42,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 13:15:42,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 13:15:42,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (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 13:15:42,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 13:15:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 13:15:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 13:15:42,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 13:15:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 13:15:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 13:15:42,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 13:15:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 13:15:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 13:15:42,935 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 13:15:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 13:15:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 13:15:42,935 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 13:15:43,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 13:15:43,091 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 13:15:43,093 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:43 BoogieIcfgContainer [2021-07-01 13:15:43,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 13:15:43,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 13:15:43,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 13:15:43,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 13:15:43,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:42" (1/2) ... [2021-07-01 13:15:43,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed6e5ce and model type bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:15:43, skipping insertion in model container [2021-07-01 13:15:43,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:43" (2/2) ... [2021-07-01 13:15:43,097 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect05.bpl [2021-07-01 13:15:43,101 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 13:15:43,101 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 13:15:43,101 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 13:15:43,102 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 13:15:43,127 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 13:15:43,150 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 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 13:15:43,207 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:15:43,207 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:15:43,207 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:15:43,207 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:15:43,207 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:15:43,207 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:15:43,207 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:15:43,207 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 13:15:52,353 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 13:15:52,354 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) [2021-07-01 13:15:52,392 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:15:52,393 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:15:52,393 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:15:52,393 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:15:52,393 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:15:52,393 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:15:52,393 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:15:52,393 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:15:52,495 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:52,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:52,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1650041949, now seen corresponding path program 1 times [2021-07-01 13:15:52,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:52,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113174143] [2021-07-01 13:15:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:15:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:15:52,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:15:52,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113174143] [2021-07-01 13:15:52,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113174143] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:15:52,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:15:52,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 13:15:52,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140255566] [2021-07-01 13:15:52,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:15:52,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:15:52,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:15:52,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:15:52,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:52,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:15:52,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 13:15:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:52,779 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 13:15:52,780 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:52,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:52,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1475965702, now seen corresponding path program 1 times [2021-07-01 13:15:52,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:52,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813291688] [2021-07-01 13:15:52,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:15:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 13:15:52,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:15:52,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813291688] [2021-07-01 13:15:52,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813291688] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:15:52,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:15:52,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 13:15:52,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837048359] [2021-07-01 13:15:52,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:15:52,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:15:52,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:15:52,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:15:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:52,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:15:52,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 13:15:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:53,081 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 13:15:53,081 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:53,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:53,082 INFO L82 PathProgramCache]: Analyzing trace with hash -877265109, now seen corresponding path program 1 times [2021-07-01 13:15:53,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:53,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647267765] [2021-07-01 13:15:53,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:15:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-01 13:15:53,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:15:53,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647267765] [2021-07-01 13:15:53,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647267765] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:15:53,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:15:53,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 13:15:53,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487635249] [2021-07-01 13:15:53,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 13:15:53,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:15:53,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 13:15:53,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 13:15:53,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:53,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:15:53,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 13:15:53,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:53,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:53,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:15:53,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 13:15:53,584 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:53,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:53,585 INFO L82 PathProgramCache]: Analyzing trace with hash -454730253, now seen corresponding path program 1 times [2021-07-01 13:15:53,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:53,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187453334] [2021-07-01 13:15:53,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 13:15:53,611 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 13:15:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 13:15:53,619 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 13:15:53,632 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-01 13:15:53,632 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-07-01 13:15:53,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 13:15:53,635 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2) [2021-07-01 13:15:53,636 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 13:15:53,647 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:15:53 BasicIcfg [2021-07-01 13:15:53,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 13:15:53,647 INFO L168 Benchmark]: Toolchain (without parser) took 10808.54 ms. Allocated memory was 186.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 166.6 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 198.8 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:53,648 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 186.6 MB. Free memory is still 167.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 13:15:53,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.59 ms. Allocated memory is still 186.6 MB. Free memory was 166.5 MB in the beginning and 164.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:53,648 INFO L168 Benchmark]: Boogie Preprocessor took 9.56 ms. Allocated memory is still 186.6 MB. Free memory was 164.7 MB in the beginning and 163.8 MB in the end (delta: 925.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:53,648 INFO L168 Benchmark]: RCFGBuilder took 213.97 ms. Allocated memory is still 186.6 MB. Free memory was 163.7 MB in the beginning and 149.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:53,649 INFO L168 Benchmark]: TraceAbstraction took 10552.95 ms. Allocated memory was 186.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 148.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 181.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:53,650 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 186.6 MB. Free memory is still 167.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.59 ms. Allocated memory is still 186.6 MB. Free memory was 166.5 MB in the beginning and 164.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.56 ms. Allocated memory is still 186.6 MB. Free memory was 164.7 MB in the beginning and 163.8 MB in the end (delta: 925.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 213.97 ms. Allocated memory is still 186.6 MB. Free memory was 163.7 MB in the beginning and 149.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10552.95 ms. Allocated memory was 186.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 148.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 181.0 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: 338321, positive: 284008, positive conditional: 282741, positive unconditional: 1267, negative: 54313, negative conditional: 54248, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 309968, positive: 284008, positive conditional: 282741, positive unconditional: 1267, negative: 25960, negative conditional: 25895, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 309968, positive: 284008, positive conditional: 0, positive unconditional: 284008, negative: 25960, negative conditional: 0, negative unconditional: 25960, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1048, positive: 995, positive conditional: 0, positive unconditional: 995, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1048, positive: 949, positive conditional: 0, positive unconditional: 949, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 332, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 309968, positive: 283013, positive conditional: 0, positive unconditional: 283013, negative: 25907, negative conditional: 0, negative unconditional: 25907, unknown: 1048, unknown conditional: 0, unknown unconditional: 1048] , Statistics on independence cache: Total cache size (in pairs): 1048, Positive cache size: 995, Positive conditional cache size: 0, Positive unconditional cache size: 995, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53 ], Maximal queried relation: 0, Independence queries for same thread: 28353 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 7604, Number of persistent set computation: 123569, Number of trivial persistent sets: 123028, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 338321, positive: 284008, positive conditional: 282741, positive unconditional: 1267, negative: 54313, negative conditional: 54248, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 309968, positive: 284008, positive conditional: 282741, positive unconditional: 1267, negative: 25960, negative conditional: 25895, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 309968, positive: 284008, positive conditional: 0, positive unconditional: 284008, negative: 25960, negative conditional: 0, negative unconditional: 25960, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1048, positive: 995, positive conditional: 0, positive unconditional: 995, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1048, positive: 949, positive conditional: 0, positive unconditional: 949, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 332, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 309968, positive: 283013, positive conditional: 0, positive unconditional: 283013, negative: 25907, negative conditional: 0, negative unconditional: 25907, unknown: 1048, unknown conditional: 0, unknown unconditional: 1048] , Statistics on independence cache: Total cache size (in pairs): 1048, Positive cache size: 995, Positive conditional cache size: 0, Positive unconditional cache size: 995, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53 ], Maximal queried relation: 0, Independence queries for same thread: 28353 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19837, positive: 18374, positive conditional: 17252, positive unconditional: 1122, negative: 1463, negative conditional: 1421, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 18504, positive: 18374, positive conditional: 17252, positive unconditional: 1122, negative: 130, negative conditional: 88, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 18504, positive: 18350, positive conditional: 0, positive unconditional: 18350, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 922, positive: 883, positive conditional: 0, positive unconditional: 883, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 922, positive: 857, positive conditional: 0, positive unconditional: 857, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18504, positive: 17467, positive conditional: 0, positive unconditional: 17467, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 922, unknown conditional: 0, unknown unconditional: 922] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, SemanticConditionEliminator.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 280, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 253, negative conditional: 5, negative unconditional: 248, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, Eliminated conditions: 219, SemanticConditionEliminator.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 280, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 253, negative conditional: 5, negative unconditional: 248, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, Eliminated conditions: 219, SemanticConditionEliminator.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 280, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 253, negative conditional: 5, negative unconditional: 248, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, Eliminated conditions: 219 ], Maximal queried relation: 3, Independence queries for same thread: 1333 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 500, Number of persistent set computation: 6341, Number of trivial persistent sets: 6303, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19837, positive: 18374, positive conditional: 17252, positive unconditional: 1122, negative: 1463, negative conditional: 1421, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 18504, positive: 18374, positive conditional: 17252, positive unconditional: 1122, negative: 130, negative conditional: 88, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 18504, positive: 18350, positive conditional: 0, positive unconditional: 18350, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 922, positive: 883, positive conditional: 0, positive unconditional: 883, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 922, positive: 857, positive conditional: 0, positive unconditional: 857, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18504, positive: 17467, positive conditional: 0, positive unconditional: 17467, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 922, unknown conditional: 0, unknown unconditional: 922] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, SemanticConditionEliminator.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 280, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 253, negative conditional: 5, negative unconditional: 248, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, Eliminated conditions: 219, SemanticConditionEliminator.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 280, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 253, negative conditional: 5, negative unconditional: 248, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, Eliminated conditions: 219, SemanticConditionEliminator.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 256, negative conditional: 8, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 32, positive conditional: 6, positive unconditional: 26, negative: 42, negative conditional: 3, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 60, positive conditional: 8, positive unconditional: 52, negative: 90, negative conditional: 4, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 280, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 253, negative conditional: 5, negative unconditional: 248, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 889, Positive conditional cache size: 6, Positive unconditional cache size: 883, Negative cache size: 42, Negative conditional cache size: 3, Negative unconditional cache size: 39, Eliminated conditions: 219 ], Maximal queried relation: 3, Independence queries for same thread: 1333 - CounterExampleResult [Line: 38]: 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] [L60] 3 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 3 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L69] 3 pendingIo := pendingIo - 1; [L70] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L60] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L60] 3 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 3 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L38] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L60] 4 assume !stoppingFlag; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 4 pendingIo := pendingIo + 1; VAL [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false] [L69] 4 pendingIo := pendingIo - 1; [L70] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L69] 2 pendingIo := pendingIo - 1; [L70] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L69] 3 pendingIo := pendingIo - 1; [L70] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L60] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L60] 3 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L61] 3 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L82] 1 stoppingFlag := true; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=true] [L25] FORK 0 fork 5 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=true] [L92] 1 pendingIo := pendingIo - 1; [L93] COND FALSE 1 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L69] 3 pendingIo := pendingIo - 1; [L70] COND TRUE 3 pendingIo == 0 [L71] 3 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L84] 1 assume stoppingEvent; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L85] 1 stopped := true; VAL [pendingIo=0, stopped=true, stoppingEvent=true, stoppingFlag=true] [L61] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L38] 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 10 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9191.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.7ms, PartialOrderReductionTime: 9131.0ms, 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 10 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1278.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 790.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, 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: 5.5ms SsaConstructionTime, 121.8ms SatisfiabilityAnalysisTime, 200.3ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 17/17 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...