/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-correct02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 09:08:35,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 09:08:35,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 09:08:36,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 09:08:36,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 09:08:36,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 09:08:36,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 09:08:36,070 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 [2021-07-14 09:08:36,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 09:08:36,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 09:08:36,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 09:08:36,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 09:08:36,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 09:08:36,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 09:08:36,102 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 09:08:36,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 09:08:36,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 09:08:36,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 09:08:36,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 09:08:36,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 09:08:36,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 09:08:36,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 09:08:36,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 09:08:36,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 09:08:36,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 09:08:36,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 09:08:36,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 09:08:36,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 09:08:36,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 09:08:36,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 09:08:36,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 09:08:36,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 09:08:36,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 09:08:36,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 09:08:36,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 09:08:36,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 09:08:36,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 09:08:36,105 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 09:08:36,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 09:08:36,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 09:08:36,106 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-14 09:08:36,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 09:08:36,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 09:08:36,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 09:08:36,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 09:08:36,394 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 09:08:36,395 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 09:08:36,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl [2021-07-14 09:08:36,396 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl' [2021-07-14 09:08:36,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 09:08:36,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 09:08:36,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 09:08:36,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 09:08:36,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 09:08:36,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 09:08:36,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 09:08:36,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 09:08:36,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 09:08:36,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/1) ... [2021-07-14 09:08:36,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 09:08:36,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 09:08:36,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 09:08:36,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 09:08:36,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (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 [2021-07-14 09:08:36,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-14 09:08:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-14 09:08:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-14 09:08:36,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-14 09:08:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-14 09:08:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-14 09:08:36,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-14 09:08:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-14 09:08:36,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-14 09:08:36,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 09:08:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 09:08:36,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 09:08:36,519 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 09:08:36,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 09:08:36,778 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-14 09:08:36,779 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-14 09:08:36,779 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-14 09:08:36,780 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:08:36 BoogieIcfgContainer [2021-07-14 09:08:36,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 09:08:36,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 09:08:36,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 09:08:36,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 09:08:36,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:08:36" (1/2) ... [2021-07-14 09:08:36,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5765d18b and model type bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:08:36, skipping insertion in model container [2021-07-14 09:08:36,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:08:36" (2/2) ... [2021-07-14 09:08:36,785 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct02.bpl [2021-07-14 09:08:36,789 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 09:08:36,789 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 09:08:36,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 09:08:36,790 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 09:08:36,844 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 09:08:36,861 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-14 09:08:36,935 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 09:08:36,935 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 09:08:36,935 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 09:08:36,935 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 09:08:36,935 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 09:08:36,935 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 09:08:36,935 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 09:08:36,936 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 09:08:37,099 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 09:08:37,100 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 [2021-07-14 09:08:37,106 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 09:08:37,106 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 09:08:37,107 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 09:08:37,107 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 09:08:37,107 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 09:08:37,107 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 09:08:37,107 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 09:08:37,107 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-14 09:08:37,153 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 09:08:37,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 09:08:37,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1448005722, now seen corresponding path program 1 times [2021-07-14 09:08:37,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 09:08:37,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112624011] [2021-07-14 09:08:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 09:08:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 09:08:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 09:08:37,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 09:08:37,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112624011] [2021-07-14 09:08:37,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112624011] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 09:08:37,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 09:08:37,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 09:08:37,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87974190] [2021-07-14 09:08:37,242 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 09:08:37,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 09:08:37,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 09:08:37,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 09:08:37,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,251 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 09:08:37,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-07-14 09:08:37,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 09:08:37,328 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 09:08:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 09:08:37,332 INFO L82 PathProgramCache]: Analyzing trace with hash -531910845, now seen corresponding path program 1 times [2021-07-14 09:08:37,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 09:08:37,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520021770] [2021-07-14 09:08:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 09:08:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 09:08:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 09:08:37,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 09:08:37,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520021770] [2021-07-14 09:08:37,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520021770] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 09:08:37,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 09:08:37,349 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 09:08:37,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132993606] [2021-07-14 09:08:37,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 09:08:37,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 09:08:37,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 09:08:37,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 09:08:37,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,351 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 09:08:37,351 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-07-14 09:08:37,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 09:08:37,366 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 09:08:37,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 09:08:37,367 INFO L82 PathProgramCache]: Analyzing trace with hash -232985338, now seen corresponding path program 2 times [2021-07-14 09:08:37,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 09:08:37,367 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407202340] [2021-07-14 09:08:37,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 09:08:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 09:08:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 09:08:37,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 09:08:37,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407202340] [2021-07-14 09:08:37,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407202340] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 09:08:37,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 09:08:37,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 09:08:37,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172565371] [2021-07-14 09:08:37,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 09:08:37,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 09:08:37,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 09:08:37,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-14 09:08:37,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 09:08:37,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-07-14 09:08:37,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 09:08:37,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 09:08:37,500 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 09:08:37,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 09:08:37,500 INFO L82 PathProgramCache]: Analyzing trace with hash -657329752, now seen corresponding path program 1 times [2021-07-14 09:08:37,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 09:08:37,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754175024] [2021-07-14 09:08:37,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 09:08:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 09:08:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 09:08:37,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 09:08:37,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754175024] [2021-07-14 09:08:37,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754175024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 09:08:37,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600802784] [2021-07-14 09:08:37,600 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 [2021-07-14 09:08:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 09:08:37,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 09:08:37,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 09:08:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 09:08:37,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600802784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 09:08:37,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 09:08:37,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 09:08:37,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353492074] [2021-07-14 09:08:37,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 09:08:37,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 09:08:37,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 09:08:37,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-14 09:08:37,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 09:08:37,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 10 states have internal predecessors, (41), 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) [2021-07-14 09:08:37,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 09:08:37,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 09:08:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 09:08:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 09:08:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 09:08:38,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 09:08:38,123 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-14 09:08:38,123 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 09:08:38,125 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 09:08:38 BasicIcfg [2021-07-14 09:08:38,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 09:08:38,126 INFO L168 Benchmark]: Toolchain (without parser) took 1705.81 ms. Allocated memory is still 221.2 MB. Free memory was 200.7 MB in the beginning and 174.2 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. [2021-07-14 09:08:38,126 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 221.2 MB. Free memory is still 201.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 09:08:38,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 221.2 MB. Free memory was 200.5 MB in the beginning and 198.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 09:08:38,126 INFO L168 Benchmark]: Boogie Preprocessor took 12.90 ms. Allocated memory is still 221.2 MB. Free memory was 198.8 MB in the beginning and 197.9 MB in the end (delta: 929.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 09:08:38,126 INFO L168 Benchmark]: RCFGBuilder took 315.54 ms. Allocated memory is still 221.2 MB. Free memory was 197.8 MB in the beginning and 183.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 09:08:38,126 INFO L168 Benchmark]: TraceAbstraction took 1343.91 ms. Allocated memory is still 221.2 MB. Free memory was 182.7 MB in the beginning and 174.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 8.0 GB. [2021-07-14 09:08:38,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 221.2 MB. Free memory is still 201.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 221.2 MB. Free memory was 200.5 MB in the beginning and 198.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.90 ms. Allocated memory is still 221.2 MB. Free memory was 198.8 MB in the beginning and 197.9 MB in the end (delta: 929.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 315.54 ms. Allocated memory is still 221.2 MB. Free memory was 197.8 MB in the beginning and 183.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1343.91 ms. Allocated memory is still 221.2 MB. Free memory was 182.7 MB in the beginning and 174.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.6 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: 146, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 146, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 131, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 131, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 146, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 131, unknown conditional: 0, unknown unconditional: 131] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 127, Number of persistent set computation: 7, Number of trivial persistent sets: 5, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 146, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 146, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 131, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 131, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 146, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 131, unknown conditional: 0, unknown unconditional: 131] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 368, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 368, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 368, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 237, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 237, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 368, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 237, unknown conditional: 0, unknown unconditional: 237] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0 ], Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 123, Number of persistent set computation: 46, Number of trivial persistent sets: 10, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 368, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 368, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 368, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 237, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 237, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 368, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 237, unknown conditional: 0, unknown unconditional: 237] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 237, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Eliminated conditions: 0 ], Maximal queried relation: 3, Independence queries for same thread: 0 - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 211.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.7ms, PartialOrderReductionTime: 141.5ms, 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 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1020.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 276.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 9.7ms SsaConstructionTime, 47.1ms SatisfiabilityAnalysisTime, 363.8ms InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 380 SizeOfPredicates, 1 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 38/47 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...