/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 12:47:56,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 12:47:56,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 12:47:56,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 12:47:56,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 12:47:56,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 12:47:56,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 12:47:56,720 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.epf [2021-07-01 12:47:56,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 12:47:56,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 12:47:56,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 12:47:56,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 12:47:56,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 12:47:56,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 12:47:56,759 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 12:47:56,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 12:47:56,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 12:47:56,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 12:47:56,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 12:47:56,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 12:47:56,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 12:47:56,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 12:47:56,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 12:47:56,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 12:47:56,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 12:47:56,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 12:47:56,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 12:47:56,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 12:47:56,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 12:47:56,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 12:47:56,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 12:47:56,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 12:47:56,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 12:47:56,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 12:47:56,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 12:47:56,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 12:47:56,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 12:47:56,763 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 12:47:56,763 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 12:47:56,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 12:47:56,763 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 12:47:56,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 12:47:57,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 12:47:57,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 12:47:57,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 12:47:57,091 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 12:47:57,092 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 12:47:57,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl [2021-07-01 12:47:57,093 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl' [2021-07-01 12:47:57,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 12:47:57,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 12:47:57,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 12:47:57,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 12:47:57,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 12:47:57,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 12:47:57,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 12:47:57,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 12:47:57,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 12:47:57,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/1) ... [2021-07-01 12:47:57,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 12:47:57,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 12:47:57,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 12:47:57,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 12:47:57,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (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 12:47:57,227 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 12:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 12:47:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 12:47:57,228 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 12:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 12:47:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 12:47:57,228 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 12:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 12:47:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 12:47:57,229 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 12:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 12:47:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 12:47:57,230 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 12:47:57,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 12:47:57,454 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 12:47:57,456 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:47:57 BoogieIcfgContainer [2021-07-01 12:47:57,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 12:47:57,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 12:47:57,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 12:47:57,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 12:47:57,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 12:47:57" (1/2) ... [2021-07-01 12:47:57,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab7e221 and model type bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:47:57, skipping insertion in model container [2021-07-01 12:47:57,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:47:57" (2/2) ... [2021-07-01 12:47:57,477 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect05.bpl [2021-07-01 12:47:57,482 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 12:47:57,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 12:47:57,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 12:47:57,483 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 12:47:57,525 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 12:47:57,545 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 12:47:57,602 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:47:57,602 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:47:57,606 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:47:57,606 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:47:57,606 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:47:57,607 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:47:57,607 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:47:57,607 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 12:47:57,806 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 12:47:57,808 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 12:47:57,823 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 12:47:57,824 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 12:47:57,824 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 12:47:57,824 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 12:47:57,824 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 12:47:57,824 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 12:47:57,824 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 12:47:57,824 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 12:47:58,016 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:47:58,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:47:58,022 INFO L82 PathProgramCache]: Analyzing trace with hash 360633895, now seen corresponding path program 1 times [2021-07-01 12:47:58,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:47:58,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586507990] [2021-07-01 12:47:58,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:47:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:47:58,142 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 12:47:58,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:47:58,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586507990] [2021-07-01 12:47:58,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586507990] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:47:58,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:47:58,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 12:47:58,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488906871] [2021-07-01 12:47:58,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:47:58,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:47:58,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:47:58,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:47:58,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:47:58,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:47:58,165 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 12:47:58,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:47:58,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:47:58,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 12:47:58,208 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:47:58,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:47:58,213 INFO L82 PathProgramCache]: Analyzing trace with hash 991956788, now seen corresponding path program 1 times [2021-07-01 12:47:58,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:47:58,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602741576] [2021-07-01 12:47:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:47:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:47:58,226 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 12:47:58,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:47:58,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602741576] [2021-07-01 12:47:58,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602741576] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:47:58,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:47:58,227 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 12:47:58,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928251540] [2021-07-01 12:47:58,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 12:47:58,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:47:58,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 12:47:58,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 12:47:58,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:47:58,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:47:58,229 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 12:47:58,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:47:58,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:47:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:47:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:47:58,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 12:47:58,532 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:47:58,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:47:58,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1017147784, now seen corresponding path program 1 times [2021-07-01 12:47:58,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:47:58,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379409752] [2021-07-01 12:47:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:47:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 12:47:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 12:47:58,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 12:47:58,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379409752] [2021-07-01 12:47:58,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379409752] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 12:47:58,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 12:47:58,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 12:47:58,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921909739] [2021-07-01 12:47:58,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 12:47:58,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 12:47:58,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 12:47:58,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 12:47:58,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:47:58,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 12:47:58,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 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 12:47:58,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:47:58,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:47:58,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 12:48:01,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 12:48:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 12:48:01,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 12:48:01,170 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 12:48:01,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 12:48:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1530589996, now seen corresponding path program 1 times [2021-07-01 12:48:01,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 12:48:01,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32539879] [2021-07-01 12:48:01,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 12:48:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 12:48:01,185 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 12:48:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-01 12:48:01,233 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-01 12:48:01,245 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-01 12:48:01,245 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-07-01 12:48:01,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 12:48:01,249 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2) [2021-07-01 12:48:01,251 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 12:48:01,313 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:48:01 BasicIcfg [2021-07-01 12:48:01,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 12:48:01,315 INFO L168 Benchmark]: Toolchain (without parser) took 4196.43 ms. Allocated memory was 224.4 MB in the beginning and 421.5 MB in the end (delta: 197.1 MB). Free memory was 203.6 MB in the beginning and 373.1 MB in the end (delta: -169.5 MB). Peak memory consumption was 235.8 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:01,315 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 224.4 MB. Free memory is still 204.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:48:01,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.85 ms. Allocated memory is still 224.4 MB. Free memory was 203.5 MB in the beginning and 201.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 12:48:01,315 INFO L168 Benchmark]: Boogie Preprocessor took 13.12 ms. Allocated memory is still 224.4 MB. Free memory was 201.7 MB in the beginning and 200.8 MB in the end (delta: 887.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:01,316 INFO L168 Benchmark]: RCFGBuilder took 291.98 ms. Allocated memory is still 224.4 MB. Free memory was 200.7 MB in the beginning and 186.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:01,316 INFO L168 Benchmark]: TraceAbstraction took 3855.89 ms. Allocated memory was 224.4 MB in the beginning and 421.5 MB in the end (delta: 197.1 MB). Free memory was 186.0 MB in the beginning and 373.1 MB in the end (delta: -187.1 MB). Peak memory consumption was 217.9 MB. Max. memory is 8.0 GB. [2021-07-01 12:48:01,318 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 0.15 ms. Allocated memory is still 224.4 MB. Free memory is still 204.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.85 ms. Allocated memory is still 224.4 MB. Free memory was 203.5 MB in the beginning and 201.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.12 ms. Allocated memory is still 224.4 MB. Free memory was 201.7 MB in the beginning and 200.8 MB in the end (delta: 887.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 291.98 ms. Allocated memory is still 224.4 MB. Free memory was 200.7 MB in the beginning and 186.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3855.89 ms. Allocated memory was 224.4 MB in the beginning and 421.5 MB in the end (delta: 197.1 MB). Free memory was 186.0 MB in the beginning and 373.1 MB in the end (delta: -187.1 MB). Peak memory consumption was 217.9 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: 972, positive: 957, positive conditional: 76, positive unconditional: 881, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 962, positive: 957, positive conditional: 76, positive unconditional: 881, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 962, positive: 957, positive conditional: 0, positive unconditional: 957, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 746, positive: 741, positive conditional: 0, positive unconditional: 741, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 746, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 962, positive: 216, positive conditional: 0, positive unconditional: 216, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 746, unknown conditional: 0, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 741, Positive conditional cache size: 0, Positive unconditional cache size: 741, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 142, Number of persistent set computation: 15, Number of trivial persistent sets: 10, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 972, positive: 957, positive conditional: 76, positive unconditional: 881, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 962, positive: 957, positive conditional: 76, positive unconditional: 881, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 962, positive: 957, positive conditional: 0, positive unconditional: 957, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 746, positive: 741, positive conditional: 0, positive unconditional: 741, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 746, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 962, positive: 216, positive conditional: 0, positive unconditional: 216, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 746, unknown conditional: 0, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 741, Positive conditional cache size: 0, Positive unconditional cache size: 741, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55191, positive: 53040, positive conditional: 51423, positive unconditional: 1617, negative: 2151, negative conditional: 2074, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 53514, positive: 53040, positive conditional: 51423, positive unconditional: 1617, negative: 474, negative conditional: 397, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 53514, positive: 50789, positive conditional: 0, positive unconditional: 50789, negative: 2725, negative conditional: 0, negative unconditional: 2725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1023, positive: 973, positive conditional: 0, positive unconditional: 973, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1023, positive: 928, positive conditional: 0, positive unconditional: 928, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53514, positive: 49816, positive conditional: 0, positive unconditional: 49816, negative: 2675, negative conditional: 0, negative unconditional: 2675, unknown: 1023, unknown conditional: 0, unknown unconditional: 1023] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, SemanticConditionEliminator.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8088, positive: 2218, positive conditional: 2218, positive unconditional: 0, negative: 5835, negative conditional: 1, negative unconditional: 5834, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, Eliminated conditions: 5683, SemanticConditionEliminator.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8088, positive: 2218, positive conditional: 2218, positive unconditional: 0, negative: 5835, negative conditional: 1, negative unconditional: 5834, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, Eliminated conditions: 5683, SemanticConditionEliminator.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8088, positive: 2218, positive conditional: 2218, positive unconditional: 0, negative: 5835, negative conditional: 1, negative unconditional: 5834, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, Eliminated conditions: 5683 ], Maximal queried relation: 3, Independence queries for same thread: 1677 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1944, Number of persistent set computation: 13155, Number of trivial persistent sets: 12112, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55191, positive: 53040, positive conditional: 51423, positive unconditional: 1617, negative: 2151, negative conditional: 2074, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 53514, positive: 53040, positive conditional: 51423, positive unconditional: 1617, negative: 474, negative conditional: 397, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 53514, positive: 50789, positive conditional: 0, positive unconditional: 50789, negative: 2725, negative conditional: 0, negative unconditional: 2725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1023, positive: 973, positive conditional: 0, positive unconditional: 973, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1023, positive: 928, positive conditional: 0, positive unconditional: 928, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53514, positive: 49816, positive conditional: 0, positive unconditional: 49816, negative: 2675, negative conditional: 0, negative unconditional: 2675, unknown: 1023, unknown conditional: 0, unknown unconditional: 1023] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, SemanticConditionEliminator.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8088, positive: 2218, positive conditional: 2218, positive unconditional: 0, negative: 5835, negative conditional: 1, negative unconditional: 5834, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, Eliminated conditions: 5683, SemanticConditionEliminator.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8088, positive: 2218, positive conditional: 2218, positive unconditional: 0, negative: 5835, negative conditional: 1, negative unconditional: 5834, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, Eliminated conditions: 5683, SemanticConditionEliminator.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8088, positive: 2251, positive conditional: 2251, positive unconditional: 0, negative: 5837, negative conditional: 3, negative unconditional: 5834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 78, positive conditional: 33, positive unconditional: 45, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 243, positive conditional: 82, positive unconditional: 161, negative: 208, negative conditional: 4, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8088, positive: 2218, positive conditional: 2218, positive unconditional: 0, negative: 5835, negative conditional: 1, negative unconditional: 5834, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1058, Positive cache size: 1006, Positive conditional cache size: 33, Positive unconditional cache size: 973, Negative cache size: 52, Negative conditional cache size: 2, Negative unconditional cache size: 50, Eliminated conditions: 5683 ], Maximal queried relation: 3, Independence queries for same thread: 1677 - CounterExampleResult [Line: 38]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 pendingIo := 1; VAL [pendingIo=1] [L15] 0 stopped := false; VAL [pendingIo=1, stopped=false] [L16] 0 stoppingEvent := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false] [L17] 0 stoppingFlag := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L19] FORK 0 fork 0 ServerThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L21] FORK 0 fork 1 DeviceThreadWithAssert(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L60] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L82] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L92] 1 pendingIo := pendingIo - 1; [L93] COND TRUE 1 pendingIo == 0 [L94] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L61] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L84] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L85] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L38] 2 assert !stopped; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 10 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 247.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 176.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 10 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3431.1ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 3051.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 7.7ms SsaConstructionTime, 51.0ms SatisfiabilityAnalysisTime, 137.9ms InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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...