/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 23:19:57,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 23:19:57,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 23:19:57,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 23:19:58,007 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-Random521.epf [2021-07-14 23:19:58,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 23:19:58,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 23:19:58,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 23:19:58,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 23:19:58,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 23:19:58,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 23:19:58,051 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 23:19:58,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 23:19:58,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 23:19:58,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 23:19:58,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 23:19:58,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 23:19:58,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 23:19:58,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 23:19:58,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 23:19:58,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 23:19:58,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 23:19:58,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 23:19:58,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 23:19:58,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 23:19:58,054 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 23:19:58,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 23:19:58,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 23:19:58,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 23:19:58,394 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 23:19:58,396 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 23:19:58,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl [2021-07-14 23:19:58,397 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl' [2021-07-14 23:19:58,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 23:19:58,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 23:19:58,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 23:19:58,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 23:19:58,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 23:19:58,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 23:19:58,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 23:19:58,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 23:19:58,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 23:19:58,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/1) ... [2021-07-14 23:19:58,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 23:19:58,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 23:19:58,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 23:19:58,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 23:19:58,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (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 23:19:58,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-14 23:19:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-14 23:19:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-14 23:19:58,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-14 23:19:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-14 23:19:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-14 23:19:58,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-14 23:19:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-14 23:19:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-14 23:19:58,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 23:19:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 23:19:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 23:19:58,533 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 23:19:58,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 23:19:58,780 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-14 23:19:58,781 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-14 23:19:58,781 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-14 23:19:58,782 INFO L202 PluginConnector]: Adding new model bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:19:58 BoogieIcfgContainer [2021-07-14 23:19:58,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 23:19:58,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 23:19:58,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 23:19:58,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 23:19:58,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:19:58" (1/2) ... [2021-07-14 23:19:58,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4fb87f and model type bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:19:58, skipping insertion in model container [2021-07-14 23:19:58,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:19:58" (2/2) ... [2021-07-14 23:19:58,787 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct03.bpl [2021-07-14 23:19:58,790 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 23:19:58,790 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 23:19:58,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 23:19:58,791 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 23:19:58,843 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 23:19:58,860 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 23:19:58,907 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 23:19:58,908 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 23:19:58,908 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 23:19:58,908 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 23:19:58,908 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 23:19:58,908 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 23:19:58,908 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 23:19:58,908 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 23:19:59,247 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 23:19:59,248 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 23:19:59,261 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 23:19:59,261 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 23:19:59,261 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 23:19:59,261 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 23:19:59,261 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 23:19:59,261 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 23:19:59,261 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 23:19:59,261 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-14 23:19:59,333 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:19:59,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:19:59,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1469805514, now seen corresponding path program 1 times [2021-07-14 23:19:59,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:19:59,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027245367] [2021-07-14 23:19:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:19:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:19:59,420 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 23:19:59,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:19:59,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027245367] [2021-07-14 23:19:59,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027245367] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:19:59,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:19:59,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 23:19:59,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809114868] [2021-07-14 23:19:59,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 23:19:59,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:19:59,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 23:19:59,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 23:19:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:19:59,437 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:19:59,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 23:19:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:19:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,490 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 23:19:59,491 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:19:59,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:19:59,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1868001698, now seen corresponding path program 1 times [2021-07-14 23:19:59,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:19:59,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319812935] [2021-07-14 23:19:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:19:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:19:59,513 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 23:19:59,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:19:59,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319812935] [2021-07-14 23:19:59,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319812935] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:19:59,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:19:59,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 23:19:59,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057071078] [2021-07-14 23:19:59,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 23:19:59,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:19:59,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 23:19:59,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 23:19:59,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:19:59,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:19:59,517 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 23:19:59,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:19:59,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 23:19:59,562 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:19:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:19:59,562 INFO L82 PathProgramCache]: Analyzing trace with hash -745768932, now seen corresponding path program 1 times [2021-07-14 23:19:59,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:19:59,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949754600] [2021-07-14 23:19:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:19:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:19:59,621 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 23:19:59,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:19:59,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949754600] [2021-07-14 23:19:59,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949754600] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:19:59,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:19:59,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 23:19:59,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855184238] [2021-07-14 23:19:59,625 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 23:19:59,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:19:59,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 23:19:59,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-14 23:19:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:19:59,627 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:19:59,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 23:19:59,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:19:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:19:59,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 23:19:59,753 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:19:59,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:19:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1458948585, now seen corresponding path program 1 times [2021-07-14 23:19:59,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:19:59,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227862209] [2021-07-14 23:19:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:19:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:19:59,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 23:19:59,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:19:59,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227862209] [2021-07-14 23:19:59,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227862209] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:19:59,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:19:59,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 23:19:59,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436657212] [2021-07-14 23:19:59,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 23:19:59,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:19:59,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 23:19:59,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-14 23:19:59,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:19:59,883 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:19:59,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:19:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:19:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:19:59,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:20:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:20:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:20:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:20:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 23:20:00,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 23:20:00,081 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-14 23:20:00,081 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 23:20:00,083 INFO L202 PluginConnector]: Adding new model bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 11:20:00 BasicIcfg [2021-07-14 23:20:00,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 23:20:00,084 INFO L168 Benchmark]: Toolchain (without parser) took 1666.45 ms. Allocated memory was 199.2 MB in the beginning and 256.9 MB in the end (delta: 57.7 MB). Free memory was 179.2 MB in the beginning and 190.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 46.0 MB. Max. memory is 8.0 GB. [2021-07-14 23:20:00,084 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 199.2 MB. Free memory is still 180.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 23:20:00,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.09 ms. Allocated memory is still 199.2 MB. Free memory was 179.2 MB in the beginning and 177.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 23:20:00,085 INFO L168 Benchmark]: Boogie Preprocessor took 14.68 ms. Allocated memory is still 199.2 MB. Free memory was 177.3 MB in the beginning and 176.4 MB in the end (delta: 819.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 23:20:00,085 INFO L168 Benchmark]: RCFGBuilder took 315.24 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 161.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 23:20:00,086 INFO L168 Benchmark]: TraceAbstraction took 1300.11 ms. Allocated memory was 199.2 MB in the beginning and 256.9 MB in the end (delta: 57.7 MB). Free memory was 161.0 MB in the beginning and 190.9 MB in the end (delta: -29.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 8.0 GB. [2021-07-14 23:20:00,087 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 199.2 MB. Free memory is still 180.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.09 ms. Allocated memory is still 199.2 MB. Free memory was 179.2 MB in the beginning and 177.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.68 ms. Allocated memory is still 199.2 MB. Free memory was 177.3 MB in the beginning and 176.4 MB in the end (delta: 819.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 315.24 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 161.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1300.11 ms. Allocated memory was 199.2 MB in the beginning and 256.9 MB in the end (delta: 57.7 MB). Free memory was 161.0 MB in the beginning and 190.9 MB in the end (delta: -29.9 MB). Peak memory consumption was 28.2 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: 1803, positive: 1452, positive conditional: 858, positive unconditional: 594, negative: 351, negative conditional: 313, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1607, positive: 1452, positive conditional: 858, positive unconditional: 594, negative: 155, negative conditional: 117, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1607, positive: 1452, positive conditional: 0, positive unconditional: 1452, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 425, positive: 401, positive conditional: 0, positive unconditional: 401, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 425, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1607, positive: 1051, positive conditional: 0, positive unconditional: 1051, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 425, unknown conditional: 0, unknown unconditional: 425] , Statistics on independence cache: Total cache size (in pairs): 425, Positive cache size: 401, Positive conditional cache size: 0, Positive unconditional cache size: 401, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 ], Maximal queried relation: 0, Independence queries for same thread: 196 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 258, Number of persistent set computation: 131, Number of trivial persistent sets: 104, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1803, positive: 1452, positive conditional: 858, positive unconditional: 594, negative: 351, negative conditional: 313, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1607, positive: 1452, positive conditional: 858, positive unconditional: 594, negative: 155, negative conditional: 117, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1607, positive: 1452, positive conditional: 0, positive unconditional: 1452, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 425, positive: 401, positive conditional: 0, positive unconditional: 401, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 425, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1607, positive: 1051, positive conditional: 0, positive unconditional: 1051, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 425, unknown conditional: 0, unknown unconditional: 425] , Statistics on independence cache: Total cache size (in pairs): 425, Positive cache size: 401, Positive conditional cache size: 0, Positive unconditional cache size: 401, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 ], Maximal queried relation: 0, Independence queries for same thread: 196 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4138, positive: 3811, positive conditional: 3151, positive unconditional: 660, negative: 327, negative conditional: 280, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3911, positive: 3811, positive conditional: 3151, positive unconditional: 660, negative: 100, negative conditional: 53, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3911, positive: 3593, positive conditional: 0, positive unconditional: 3593, negative: 318, negative conditional: 0, negative unconditional: 318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 470, positive: 444, positive conditional: 0, positive unconditional: 444, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 470, positive: 418, positive conditional: 0, positive unconditional: 418, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3911, positive: 3149, positive conditional: 0, positive unconditional: 3149, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 470, unknown conditional: 0, unknown unconditional: 470] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218 ], Maximal queried relation: 4, Independence queries for same thread: 227 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 172, Number of persistent set computation: 253, Number of trivial persistent sets: 211, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4138, positive: 3811, positive conditional: 3151, positive unconditional: 660, negative: 327, negative conditional: 280, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3911, positive: 3811, positive conditional: 3151, positive unconditional: 660, negative: 100, negative conditional: 53, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3911, positive: 3593, positive conditional: 0, positive unconditional: 3593, negative: 318, negative conditional: 0, negative unconditional: 318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 470, positive: 444, positive conditional: 0, positive unconditional: 444, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 470, positive: 418, positive conditional: 0, positive unconditional: 418, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3911, positive: 3149, positive conditional: 0, positive unconditional: 3149, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 470, unknown conditional: 0, unknown unconditional: 470] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218, SemanticConditionEliminator.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 621, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 403, negative conditional: 118, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 46, positive conditional: 20, positive unconditional: 26, negative: 47, negative conditional: 21, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 105, positive conditional: 39, positive unconditional: 66, negative: 86, negative conditional: 27, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 621, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 382, negative conditional: 97, negative unconditional: 285, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 511, Positive cache size: 464, Positive conditional cache size: 20, Positive unconditional cache size: 444, Negative cache size: 47, Negative conditional cache size: 21, Negative unconditional cache size: 26, Eliminated conditions: 218 ], Maximal queried relation: 4, Independence queries for same thread: 227 - PositiveResult [Line: 36]: 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 367.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 321.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 831.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 482.8ms, 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: 5.5ms SsaConstructionTime, 29.5ms SatisfiabilityAnalysisTime, 178.8ms InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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...