/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-correct05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 13:30:13,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 13:30:13,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 13:30:13,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 13:30:13,914 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 [2021-07-01 13:30:13,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 13:30:13,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 13:30:13,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 13:30:13,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 13:30:13,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 13:30:13,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 13:30:13,953 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 13:30:13,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 13:30:13,954 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 13:30:13,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 13:30:13,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 13:30:13,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 13:30:13,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 13:30:13,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 13:30:13,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 13:30:13,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 13:30:13,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 13:30:13,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 13:30:13,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 13:30:13,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 13:30:13,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 13:30:13,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 13:30:13,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 13:30:13,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:30:13,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 13:30:13,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 13:30:13,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 13:30:13,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 13:30:13,957 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 13:30:13,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 13:30:13,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 13:30:13,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 13:30:13,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 13:30:13,958 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 13:30:13,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 13:30:13,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 13:30:14,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 13:30:14,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 13:30:14,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 13:30:14,309 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 13:30:14,324 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 13:30:14,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl [2021-07-01 13:30:14,326 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl' [2021-07-01 13:30:14,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 13:30:14,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 13:30:14,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 13:30:14,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 13:30:14,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 13:30:14,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 13:30:14,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 13:30:14,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 13:30:14,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 13:30:14,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 13:30:14,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 13:30:14,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 13:30:14,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 13:30:14,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:30:14,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 13:30:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 13:30:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 13:30:14,487 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 13:30:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 13:30:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 13:30:14,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 13:30:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 13:30:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 13:30:14,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 13:30:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 13:30:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 13:30:14,489 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 13:30:14,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 13:30:14,747 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 13:30:14,748 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 13:30:14,748 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 13:30:14,749 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:30:14 BoogieIcfgContainer [2021-07-01 13:30:14,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 13:30:14,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 13:30:14,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 13:30:14,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 13:30:14,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/2) ... [2021-07-01 13:30:14,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69584abb and model type bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:30:14, skipping insertion in model container [2021-07-01 13:30:14,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:30:14" (2/2) ... [2021-07-01 13:30:14,756 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct05.bpl [2021-07-01 13:30:14,781 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 13:30:14,781 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 13:30:14,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 13:30:14,782 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 13:30:14,834 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 13:30:14,853 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:30:14,902 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:30:14,902 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:30:14,902 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:30:14,902 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:30:14,902 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:30:14,902 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:30:14,902 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:30:14,902 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 13:30:20,203 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 13:30:20,205 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:30:20,228 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:30:20,228 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:30:20,228 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:30:20,228 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:30:20,228 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:30:20,229 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:30:20,229 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:30:20,229 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 13:30:20,345 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:20,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:20,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1735376066, now seen corresponding path program 1 times [2021-07-01 13:30:20,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:20,359 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493350560] [2021-07-01 13:30:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:30:20,477 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:20,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493350560] [2021-07-01 13:30:20,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493350560] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:30:20,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:30:20,478 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 13:30:20,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155064687] [2021-07-01 13:30:20,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:30:20,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:20,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:30:20,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:30:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:20,498 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:20,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:20,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:20,731 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 13:30:20,731 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:20,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:20,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1489927374, now seen corresponding path program 1 times [2021-07-01 13:30:20,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:20,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74147314] [2021-07-01 13:30:20,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:30:20,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:20,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74147314] [2021-07-01 13:30:20,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74147314] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:30:20,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:30:20,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 13:30:20,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756560011] [2021-07-01 13:30:20,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:30:20,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:20,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:30:20,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:30:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:20,781 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:20,781 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:20,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:20,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:20,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 13:30:20,981 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:20,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:20,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1995063073, now seen corresponding path program 1 times [2021-07-01 13:30:20,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:20,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936490324] [2021-07-01 13:30:20,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 13:30:21,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:21,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936490324] [2021-07-01 13:30:21,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936490324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:30:21,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354403088] [2021-07-01 13:30:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:30:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:21,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-01 13:30:21,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:30:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 13:30:21,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354403088] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:30:21,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:30:21,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-01 13:30:21,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534508229] [2021-07-01 13:30:21,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 13:30:21,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:21,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 13:30:21,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-01 13:30:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:21,399 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:21,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:21,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:21,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:21,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 13:30:22,165 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:30:22,165 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:22,166 INFO L82 PathProgramCache]: Analyzing trace with hash 944406475, now seen corresponding path program 1 times [2021-07-01 13:30:22,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:22,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005897541] [2021-07-01 13:30:22,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:22,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 13:30:22,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:22,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005897541] [2021-07-01 13:30:22,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005897541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:30:22,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45238203] [2021-07-01 13:30:22,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:30:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:22,358 WARN L261 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-01 13:30:22,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:30:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 13:30:22,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45238203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:30:22,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:30:22,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-01 13:30:22,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194731669] [2021-07-01 13:30:22,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 13:30:22,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:22,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 13:30:22,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-01 13:30:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:22,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:22,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:22,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:22,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:22,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 13:30:22,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 13:30:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-01 13:30:26,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:30:26,848 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 13:30:26,848 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 13:30:26,851 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:30:26 BasicIcfg [2021-07-01 13:30:26,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 13:30:26,851 INFO L168 Benchmark]: Toolchain (without parser) took 12491.84 ms. Allocated memory was 166.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 146.4 MB in the beginning and 686.2 MB in the end (delta: -539.9 MB). Peak memory consumption was 481.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:26,852 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 166.7 MB. Free memory is still 147.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 13:30:26,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.06 ms. Allocated memory is still 166.7 MB. Free memory was 146.4 MB in the beginning and 144.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:26,852 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 166.7 MB. Free memory was 144.6 MB in the beginning and 143.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:26,852 INFO L168 Benchmark]: RCFGBuilder took 335.22 ms. Allocated memory is still 166.7 MB. Free memory was 143.5 MB in the beginning and 128.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:26,852 INFO L168 Benchmark]: TraceAbstraction took 12099.80 ms. Allocated memory was 166.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 127.8 MB in the beginning and 686.2 MB in the end (delta: -558.4 MB). Peak memory consumption was 462.1 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:26,855 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 0.14 ms. Allocated memory is still 166.7 MB. Free memory is still 147.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.06 ms. Allocated memory is still 166.7 MB. Free memory was 146.4 MB in the beginning and 144.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 166.7 MB. Free memory was 144.6 MB in the beginning and 143.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 335.22 ms. Allocated memory is still 166.7 MB. Free memory was 143.5 MB in the beginning and 128.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12099.80 ms. Allocated memory was 166.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 127.8 MB in the beginning and 686.2 MB in the end (delta: -558.4 MB). Peak memory consumption was 462.1 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: 109746, positive: 81527, positive conditional: 80691, positive unconditional: 836, negative: 28219, negative conditional: 28137, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97431, positive: 81527, positive conditional: 80691, positive unconditional: 836, negative: 15904, negative conditional: 15822, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97431, positive: 81527, positive conditional: 0, positive unconditional: 81527, negative: 15904, negative conditional: 0, negative unconditional: 15904, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 754, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 754, positive: 646, positive conditional: 0, positive unconditional: 646, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 278, negative conditional: 0, negative unconditional: 278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97431, positive: 80831, positive conditional: 0, positive unconditional: 80831, negative: 15846, negative conditional: 0, negative unconditional: 15846, unknown: 754, unknown conditional: 0, unknown unconditional: 754] , Statistics on independence cache: Total cache size (in pairs): 754, Positive cache size: 696, Positive conditional cache size: 0, Positive unconditional cache size: 696, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 ], Maximal queried relation: 0, Independence queries for same thread: 12315 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 4356, Number of persistent set computation: 39965, Number of trivial persistent sets: 39926, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 109746, positive: 81527, positive conditional: 80691, positive unconditional: 836, negative: 28219, negative conditional: 28137, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97431, positive: 81527, positive conditional: 80691, positive unconditional: 836, negative: 15904, negative conditional: 15822, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97431, positive: 81527, positive conditional: 0, positive unconditional: 81527, negative: 15904, negative conditional: 0, negative unconditional: 15904, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 754, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 754, positive: 646, positive conditional: 0, positive unconditional: 646, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 278, negative conditional: 0, negative unconditional: 278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97431, positive: 80831, positive conditional: 0, positive unconditional: 80831, negative: 15846, negative conditional: 0, negative unconditional: 15846, unknown: 754, unknown conditional: 0, unknown unconditional: 754] , Statistics on independence cache: Total cache size (in pairs): 754, Positive cache size: 696, Positive conditional cache size: 0, Positive unconditional cache size: 696, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 ], Maximal queried relation: 0, Independence queries for same thread: 12315 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 102333, positive: 95756, positive conditional: 94891, positive unconditional: 865, negative: 6577, negative conditional: 6489, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97727, positive: 95756, positive conditional: 94891, positive unconditional: 865, negative: 1971, negative conditional: 1883, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97727, positive: 82398, positive conditional: 0, positive unconditional: 82398, negative: 15329, negative conditional: 0, negative unconditional: 15329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 824, positive: 762, positive conditional: 0, positive unconditional: 762, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 824, positive: 702, positive conditional: 0, positive unconditional: 702, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97727, positive: 81636, positive conditional: 0, positive unconditional: 81636, negative: 15267, negative conditional: 0, negative unconditional: 15267, unknown: 824, unknown conditional: 0, unknown unconditional: 824] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541 ], Maximal queried relation: 4, Independence queries for same thread: 4606 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 3028, Number of persistent set computation: 30673, Number of trivial persistent sets: 30454, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 102333, positive: 95756, positive conditional: 94891, positive unconditional: 865, negative: 6577, negative conditional: 6489, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97727, positive: 95756, positive conditional: 94891, positive unconditional: 865, negative: 1971, negative conditional: 1883, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97727, positive: 82398, positive conditional: 0, positive unconditional: 82398, negative: 15329, negative conditional: 0, negative unconditional: 15329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 824, positive: 762, positive conditional: 0, positive unconditional: 762, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 824, positive: 702, positive conditional: 0, positive unconditional: 702, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97727, positive: 81636, positive conditional: 0, positive unconditional: 81636, negative: 15267, negative conditional: 0, negative unconditional: 15267, unknown: 824, unknown conditional: 0, unknown unconditional: 824] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541, SemanticConditionEliminator.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29018, positive: 13358, positive conditional: 13358, positive unconditional: 0, negative: 15660, negative conditional: 3989, negative unconditional: 11671, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 436, positive: 290, positive conditional: 230, positive unconditional: 60, negative: 146, negative conditional: 84, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 621, positive: 450, positive conditional: 335, positive unconditional: 115, negative: 171, negative conditional: 77, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29018, positive: 13128, positive conditional: 13128, positive unconditional: 0, negative: 15576, negative conditional: 3905, negative unconditional: 11671, unknown: 314, unknown conditional: 314, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 992, Positive conditional cache size: 230, Positive unconditional cache size: 762, Negative cache size: 146, Negative conditional cache size: 84, Negative unconditional cache size: 62, Eliminated conditions: 11541 ], Maximal queried relation: 4, Independence queries for same thread: 4606 - PositiveResult [Line: 38]: 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5335.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.0ms, PartialOrderReductionTime: 5279.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6640.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 5222.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.2ms SsaConstructionTime, 91.4ms SatisfiabilityAnalysisTime, 677.7ms InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 2 NumberOfNonLiveVariables, 121 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 29/50 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...