/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-incorrect03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 13:46:16,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 13:46:16,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 13:46:16,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 13:46:16,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 13:46:16,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 13:46:16,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 13:46:16,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 13:46:16,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 13:46:16,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 13:46:16,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 13:46:16,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 13:46:16,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 13:46:16,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 13:46:16,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 13:46:16,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 13:46:16,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 13:46:16,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 13:46:16,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 13:46:16,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 13:46:16,788 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 13:46:16,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 13:46:16,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 13:46:16,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 13:46:16,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 13:46:16,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 13:46:16,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 13:46:16,810 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 13:46:16,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 13:46:16,810 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 13:46:16,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 13:46:16,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 13:46:16,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 13:46:16,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:46:16,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 13:46:16,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 13:46:16,813 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 13:46:16,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 13:46:16,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 13:46:16,813 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 13:46:16,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 13:46:16,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 13:46:17,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 13:46:17,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 13:46:17,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 13:46:17,069 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 13:46:17,071 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 13:46:17,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect03.bpl [2021-07-01 13:46:17,072 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect03.bpl' [2021-07-01 13:46:17,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 13:46:17,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 13:46:17,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 13:46:17,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 13:46:17,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 13:46:17,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 13:46:17,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 13:46:17,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 13:46:17,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 13:46:17,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/1) ... [2021-07-01 13:46:17,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 13:46:17,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 13:46:17,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 13:46:17,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 13:46:17,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (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 13:46:17,242 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 13:46:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 13:46:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 13:46:17,242 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 13:46:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 13:46:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 13:46:17,242 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 13:46:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 13:46:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 13:46:17,243 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 13:46:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 13:46:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 13:46:17,244 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 13:46:17,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 13:46:17,403 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 13:46:17,404 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:46:17 BoogieIcfgContainer [2021-07-01 13:46:17,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 13:46:17,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 13:46:17,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 13:46:17,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 13:46:17,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:46:17" (1/2) ... [2021-07-01 13:46:17,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9040e and model type bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:46:17, skipping insertion in model container [2021-07-01 13:46:17,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:46:17" (2/2) ... [2021-07-01 13:46:17,410 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect03.bpl [2021-07-01 13:46:17,428 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 13:46:17,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 13:46:17,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 13:46:17,429 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 13:46:17,487 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 13:46:17,520 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 13:46:17,587 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:46:17,588 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:46:17,588 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:46:17,588 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:46:17,588 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:46:17,588 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:46:17,588 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:46:17,588 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 13:46:18,214 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 13:46:18,215 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 13:46:18,228 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:46:18,228 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:46:18,228 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:46:18,228 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:46:18,228 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:46:18,228 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:46:18,228 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:46:18,229 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 13:46:18,279 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:46:18,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:46:18,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1671543472, now seen corresponding path program 1 times [2021-07-01 13:46:18,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:46:18,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818776677] [2021-07-01 13:46:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:46:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:46:18,361 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 13:46:18,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:46:18,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818776677] [2021-07-01 13:46:18,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818776677] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:46:18,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:46:18,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 13:46:18,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759142832] [2021-07-01 13:46:18,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:46:18,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:46:18,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:46:18,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:46:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:46:18,380 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:46:18,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) 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 13:46:18,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:46:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 13:46:18,411 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:46:18,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:46:18,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1434969807, now seen corresponding path program 1 times [2021-07-01 13:46:18,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:46:18,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613329744] [2021-07-01 13:46:18,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:46:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:46:18,422 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 13:46:18,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:46:18,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613329744] [2021-07-01 13:46:18,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613329744] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:46:18,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:46:18,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 13:46:18,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777798844] [2021-07-01 13:46:18,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:46:18,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:46:18,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:46:18,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:46:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:46:18,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:46:18,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 13:46:18,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:46:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 13:46:18,503 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:46:18,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:46:18,503 INFO L82 PathProgramCache]: Analyzing trace with hash -462616382, now seen corresponding path program 1 times [2021-07-01 13:46:18,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:46:18,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299982568] [2021-07-01 13:46:18,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:46:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:46:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 13:46:18,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:46:18,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299982568] [2021-07-01 13:46:18,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299982568] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:46:18,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:46:18,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 13:46:18,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891998050] [2021-07-01 13:46:18,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 13:46:18,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:46:18,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 13:46:18,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 13:46:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:46:18,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:46:18,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 13:46:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:46:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:46:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:46:18,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 13:46:18,680 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:46:18,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:46:18,681 INFO L82 PathProgramCache]: Analyzing trace with hash -118530332, now seen corresponding path program 2 times [2021-07-01 13:46:18,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:46:18,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170507095] [2021-07-01 13:46:18,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:46:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 13:46:18,686 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 13:46:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 13:46:18,691 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 13:46:18,718 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-01 13:46:18,719 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-07-01 13:46:18,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 13:46:18,748 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2) [2021-07-01 13:46:18,750 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 13:46:18,760 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:46:18 BasicIcfg [2021-07-01 13:46:18,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 13:46:18,761 INFO L168 Benchmark]: Toolchain (without parser) took 1670.04 ms. Allocated memory was 208.7 MB in the beginning and 298.8 MB in the end (delta: 90.2 MB). Free memory was 188.7 MB in the beginning and 277.2 MB in the end (delta: -88.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2021-07-01 13:46:18,761 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 208.7 MB. Free memory is still 189.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 13:46:18,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.06 ms. Allocated memory is still 208.7 MB. Free memory was 188.7 MB in the beginning and 186.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 13:46:18,762 INFO L168 Benchmark]: Boogie Preprocessor took 13.30 ms. Allocated memory is still 208.7 MB. Free memory was 186.8 MB in the beginning and 185.9 MB in the end (delta: 922.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:46:18,762 INFO L168 Benchmark]: RCFGBuilder took 269.88 ms. Allocated memory is still 208.7 MB. Free memory was 185.8 MB in the beginning and 171.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 13:46:18,762 INFO L168 Benchmark]: TraceAbstraction took 1354.67 ms. Allocated memory was 208.7 MB in the beginning and 298.8 MB in the end (delta: 90.2 MB). Free memory was 171.1 MB in the beginning and 277.2 MB in the end (delta: -106.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:46:18,763 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 0.10 ms. Allocated memory is still 208.7 MB. Free memory is still 189.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.06 ms. Allocated memory is still 208.7 MB. Free memory was 188.7 MB in the beginning and 186.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.30 ms. Allocated memory is still 208.7 MB. Free memory was 186.8 MB in the beginning and 185.9 MB in the end (delta: 922.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 269.88 ms. Allocated memory is still 208.7 MB. Free memory was 185.8 MB in the beginning and 171.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1354.67 ms. Allocated memory was 208.7 MB in the beginning and 298.8 MB in the end (delta: 90.2 MB). Free memory was 171.1 MB in the beginning and 277.2 MB in the end (delta: -106.1 MB). Peak memory consumption was 10.0 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: 2633, positive: 2162, positive conditional: 1656, positive unconditional: 506, negative: 471, negative conditional: 446, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2306, positive: 2162, positive conditional: 1656, positive unconditional: 506, negative: 144, negative conditional: 119, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2306, positive: 2162, positive conditional: 0, positive unconditional: 2162, negative: 144, negative conditional: 0, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 427, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 427, positive: 391, positive conditional: 0, positive unconditional: 391, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2306, positive: 1756, positive conditional: 0, positive unconditional: 1756, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 427, unknown conditional: 0, unknown unconditional: 427] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 ], Maximal queried relation: 0, Independence queries for same thread: 327 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 479, Number of persistent set computation: 1704, Number of trivial persistent sets: 1700, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2633, positive: 2162, positive conditional: 1656, positive unconditional: 506, negative: 471, negative conditional: 446, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2306, positive: 2162, positive conditional: 1656, positive unconditional: 506, negative: 144, negative conditional: 119, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2306, positive: 2162, positive conditional: 0, positive unconditional: 2162, negative: 144, negative conditional: 0, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 427, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 427, positive: 391, positive conditional: 0, positive unconditional: 391, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2306, positive: 1756, positive conditional: 0, positive unconditional: 1756, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 427, unknown conditional: 0, unknown unconditional: 427] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 ], Maximal queried relation: 0, Independence queries for same thread: 327 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1784, positive: 1597, positive conditional: 1126, positive unconditional: 471, negative: 187, negative conditional: 171, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1633, positive: 1597, positive conditional: 1126, positive unconditional: 471, negative: 36, negative conditional: 20, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1633, positive: 1597, positive conditional: 0, positive unconditional: 1597, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 387, positive: 373, positive conditional: 0, positive unconditional: 373, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 387, positive: 364, positive conditional: 0, positive unconditional: 364, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1633, positive: 1224, positive conditional: 0, positive unconditional: 1224, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 387, unknown conditional: 0, unknown unconditional: 387] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 1, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 46, SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 1, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 46, SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 1, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 46 ], Maximal queried relation: 3, Independence queries for same thread: 151 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 117, Number of persistent set computation: 857, Number of trivial persistent sets: 850, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1784, positive: 1597, positive conditional: 1126, positive unconditional: 471, negative: 187, negative conditional: 171, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1633, positive: 1597, positive conditional: 1126, positive unconditional: 471, negative: 36, negative conditional: 20, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1633, positive: 1597, positive conditional: 0, positive unconditional: 1597, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 387, positive: 373, positive conditional: 0, positive unconditional: 373, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 387, positive: 364, positive conditional: 0, positive unconditional: 364, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1633, positive: 1224, positive conditional: 0, positive unconditional: 1224, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 387, unknown conditional: 0, unknown unconditional: 387] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 1, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 46, SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 1, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 46, SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 3, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 51, negative conditional: 3, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 1, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Eliminated conditions: 46 ], Maximal queried relation: 3, Independence queries for same thread: 151 - CounterExampleResult [Line: 36]: 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] [L58] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L59] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L36] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L67] 2 pendingIo := pendingIo - 1; [L68] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L58] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L80] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L90] 1 pendingIo := pendingIo - 1; [L91] COND TRUE 1 pendingIo == 0 [L92] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L59] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L82] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L83] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L36] 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 8 procedures, 50 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 679.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.0ms, PartialOrderReductionTime: 604.2ms, 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 8 procedures, 50 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 524.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 222.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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: 3.3ms SsaConstructionTime, 32.3ms SatisfiabilityAnalysisTime, 102.1ms InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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...