/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 12:18:35,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 12:18:35,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 12:18:35,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 12:18:35,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 12:18:35,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 12:18:35,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 12:18:35,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 12:18:35,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 12:18:35,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 12:18:35,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 12:18:35,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 12:18:35,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 12:18:35,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 12:18:35,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 12:18:35,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 12:18:35,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 12:18:35,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 12:18:35,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 12:18:35,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 12:18:35,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 12:18:35,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 12:18:35,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 12:18:35,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 12:18:35,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 12:18:35,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 12:18:35,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 12:18:35,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 12:18:35,847 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-Persistent-NoLbe.epf [2021-07-01 12:18:35,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 12:18:35,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 12:18:35,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 12:18:35,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 12:18:35,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 12:18:35,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 12:18:35,878 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 12:18:35,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 12:18:35,879 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 12:18:35,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 12:18:35,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 12:18:35,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 12:18:35,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 12:18:35,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 12:18:35,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 12:18:35,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:18:35,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-01 12:18:35,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 12:18:36,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 12:18:36,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 12:18:36,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 12:18:36,193 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 12:18:36,195 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 12:18:36,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl [2021-07-01 12:18:36,196 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl' [2021-07-01 12:18:36,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 12:18:36,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 12:18:36,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 12:18:36,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 12:18:36,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 12:18:36,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 12:18:36,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 12:18:36,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 12:18:36,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 12:18:36,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/1) ... [2021-07-01 12:18:36,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 12:18:36,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 12:18:36,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 12:18:36,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 12:18:36,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (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 12:18:36,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 12:18:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 12:18:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 12:18:36,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 12:18:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 12:18:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 12:18:36,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 12:18:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 12:18:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 12:18:36,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 12:18:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 12:18:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 12:18:36,322 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 12:18:36,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 12:18:36,473 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 12:18:36,474 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:18:36 BoogieIcfgContainer [2021-07-01 12:18:36,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 12:18:36,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 12:18:36,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 12:18:36,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 12:18:36,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:18:36" (1/2) ... [2021-07-01 12:18:36,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a7b52d and model type bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:18:36, skipping insertion in model container [2021-07-01 12:18:36,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:18:36" (2/2) ... [2021-07-01 12:18:36,478 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect07.bpl [2021-07-01 12:18:36,481 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 12:18:36,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 12:18:36,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 12:18:36,482 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 12:18:36,509 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 12:18:36,535 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 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 12:18:36,734 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:18:36,735 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:18:36,735 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:18:36,735 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:18:36,735 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:18:36,735 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:18:36,735 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:18:36,735 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 12:18:36,925 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 12:18:36,926 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 12:18:37,019 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:18:37,019 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:18:37,019 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:18:37,019 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:18:37,019 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:18:37,020 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:18:37,020 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:18:37,020 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 12:18:37,158 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:18:37,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:18:37,161 INFO L82 PathProgramCache]: Analyzing trace with hash -927120616, now seen corresponding path program 1 times [2021-07-01 12:18:37,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:18:37,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787101434] [2021-07-01 12:18:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:18:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:18:37,238 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 12:18:37,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:18:37,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787101434] [2021-07-01 12:18:37,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787101434] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:18:37,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:18:37,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 12:18:37,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812137113] [2021-07-01 12:18:37,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:18:37,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:18:37,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:18:37,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:18:37,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:18:37,251 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:18:37,252 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 12:18:37,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:18:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:37,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 12:18:37,619 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:18:37,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:18:37,621 INFO L82 PathProgramCache]: Analyzing trace with hash -827792217, now seen corresponding path program 1 times [2021-07-01 12:18:37,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:18:37,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439309211] [2021-07-01 12:18:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:18:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:18:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-07-01 12:18:37,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:18:37,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439309211] [2021-07-01 12:18:37,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439309211] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:18:37,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:18:37,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 12:18:37,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026379437] [2021-07-01 12:18:37,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:18:37,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:18:37,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:18:37,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:18:37,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:18:37,751 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:18:37,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 12:18:37,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:37,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:18:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:37,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:37,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 12:18:37,971 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:18:37,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:18:37,972 INFO L82 PathProgramCache]: Analyzing trace with hash 888164981, now seen corresponding path program 1 times [2021-07-01 12:18:37,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:18:37,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938070797] [2021-07-01 12:18:37,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:18:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:18:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-07-01 12:18:38,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:18:38,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938070797] [2021-07-01 12:18:38,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938070797] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:18:38,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863964549] [2021-07-01 12:18:38,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:18:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:18:38,287 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-01 12:18:38,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 12:18:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 9 proven. 77 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-07-01 12:18:38,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863964549] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 12:18:38,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 12:18:38,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-01 12:18:38,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782873627] [2021-07-01 12:18:38,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 12:18:38,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:18:38,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 12:18:38,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-01 12:18:38,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:18:38,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:18:38,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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 12:18:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:38,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:18:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:18:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 12:18:39,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 12:18:39,001 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:18:39,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:18:39,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1599879906, now seen corresponding path program 1 times [2021-07-01 12:18:39,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:18:39,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982401891] [2021-07-01 12:18:39,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:18:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 12:18:39,068 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 12:18:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 12:18:39,132 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 12:18:39,167 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-01 12:18:39,168 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-07-01 12:18:39,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 12:18:39,172 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2) [2021-07-01 12:18:39,174 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 12:18:39,213 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:18:39 BasicIcfg [2021-07-01 12:18:39,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 12:18:39,214 INFO L168 Benchmark]: Toolchain (without parser) took 2991.42 ms. Allocated memory was 127.9 MB in the beginning and 200.3 MB in the end (delta: 72.4 MB). Free memory was 108.9 MB in the beginning and 148.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 8.0 GB. [2021-07-01 12:18:39,214 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 127.9 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:18:39,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.76 ms. Allocated memory is still 127.9 MB. Free memory was 108.8 MB in the beginning and 107.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 12:18:39,214 INFO L168 Benchmark]: Boogie Preprocessor took 12.72 ms. Allocated memory is still 127.9 MB. Free memory was 107.0 MB in the beginning and 106.0 MB in the end (delta: 964.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:18:39,214 INFO L168 Benchmark]: RCFGBuilder took 209.40 ms. Allocated memory is still 127.9 MB. Free memory was 106.0 MB in the beginning and 91.6 MB in the end (delta: 14.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-07-01 12:18:39,214 INFO L168 Benchmark]: TraceAbstraction took 2738.44 ms. Allocated memory was 127.9 MB in the beginning and 200.3 MB in the end (delta: 72.4 MB). Free memory was 91.1 MB in the beginning and 148.9 MB in the end (delta: -57.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. [2021-07-01 12:18:39,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 127.9 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.76 ms. Allocated memory is still 127.9 MB. Free memory was 108.8 MB in the beginning and 107.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.72 ms. Allocated memory is still 127.9 MB. Free memory was 107.0 MB in the beginning and 106.0 MB in the end (delta: 964.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 209.40 ms. Allocated memory is still 127.9 MB. Free memory was 106.0 MB in the beginning and 91.6 MB in the end (delta: 14.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2738.44 ms. Allocated memory was 127.9 MB in the beginning and 200.3 MB in the end (delta: 72.4 MB). Free memory was 91.1 MB in the beginning and 148.9 MB in the end (delta: -57.8 MB). Peak memory consumption was 15.6 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: 2117, positive: 2110, positive conditional: 0, positive unconditional: 2110, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2117, positive: 2110, positive conditional: 0, positive unconditional: 2110, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2117, positive: 2110, positive conditional: 0, positive unconditional: 2110, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1397, positive: 1390, positive conditional: 0, positive unconditional: 1390, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1397, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2117, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1397, unknown conditional: 0, unknown unconditional: 1397] , Statistics on independence cache: Total cache size (in pairs): 1397, Positive cache size: 1390, Positive conditional cache size: 0, Positive unconditional cache size: 1390, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 115, Number of persistent set computation: 17, Number of trivial persistent sets: 10, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2117, positive: 2110, positive conditional: 0, positive unconditional: 2110, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2117, positive: 2110, positive conditional: 0, positive unconditional: 2110, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2117, positive: 2110, positive conditional: 0, positive unconditional: 2110, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1397, positive: 1390, positive conditional: 0, positive unconditional: 1390, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1397, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2117, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1397, unknown conditional: 0, unknown unconditional: 1397] , Statistics on independence cache: Total cache size (in pairs): 1397, Positive cache size: 1390, Positive conditional cache size: 0, Positive unconditional cache size: 1390, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3577, positive: 3460, positive conditional: 0, positive unconditional: 3460, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3577, positive: 3460, positive conditional: 0, positive unconditional: 3460, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3577, positive: 3460, positive conditional: 0, positive unconditional: 3460, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1913, positive: 1837, positive conditional: 0, positive unconditional: 1837, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1913, positive: 1781, positive conditional: 0, positive unconditional: 1781, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3577, positive: 1623, positive conditional: 0, positive unconditional: 1623, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 1913, unknown conditional: 0, unknown unconditional: 1913] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Eliminated conditions: 0 ], Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 630, Number of persistent set computation: 1190, Number of trivial persistent sets: 813, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3577, positive: 3460, positive conditional: 0, positive unconditional: 3460, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3577, positive: 3460, positive conditional: 0, positive unconditional: 3460, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3577, positive: 3460, positive conditional: 0, positive unconditional: 3460, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1913, positive: 1837, positive conditional: 0, positive unconditional: 1837, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1913, positive: 1781, positive conditional: 0, positive unconditional: 1781, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3577, positive: 1623, positive conditional: 0, positive unconditional: 1623, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 1913, unknown conditional: 0, unknown unconditional: 1913] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1913, Positive cache size: 1837, Positive conditional cache size: 0, Positive unconditional cache size: 1837, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Eliminated conditions: 0 ], Maximal queried relation: 3, Independence queries for same thread: 0 - CounterExampleResult [Line: 40]: 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] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 3 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 3 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 3 pendingIo := pendingIo - 1; [L72] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 3 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 4 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 3 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 3 pendingIo := pendingIo - 1; [L72] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 4 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 4 pendingIo := pendingIo - 1; [L72] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 5 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 5 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L25] FORK 0 fork 5 DeviceThread(); VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 5 pendingIo := pendingIo - 1; [L72] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 5 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 6 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 5 pendingIo := pendingIo - 1; [L72] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 6 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 6 pendingIo := pendingIo - 1; [L72] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L40] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 2 pendingIo := pendingIo - 1; [L72] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L84] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L94] 1 pendingIo := pendingIo - 1; [L95] COND TRUE 1 pendingIo == 0 [L96] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L86] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L87] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L40] 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 12 procedures, 74 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 378.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.0ms, PartialOrderReductionTime: 150.1ms, 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 12 procedures, 74 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2244.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 960.9ms, 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: 16.3ms SsaConstructionTime, 160.7ms SatisfiabilityAnalysisTime, 499.9ms InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 831 SizeOfPredicates, 1 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1157/1269 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...