/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-NewStatesSleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:50:24,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:50:24,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:50:24,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:50:24,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 11:50:24,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 11:50:24,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 11:50:24,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 11:50:24,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 11:50:24,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 11:50:24,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 11:50:24,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 11:50:24,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 11:50:24,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 11:50:24,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 11:50:24,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 11:50:24,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 11:50:24,685 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-NewStatesSleep-NoLbe-Random7777.epf [2021-07-01 11:50:24,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:50:24,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:50:24,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:50:24,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:50:24,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:50:24,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:50:24,718 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:50:24,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:50:24,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:50:24,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:50:24,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:50:24,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:50:24,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:50:24,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:50:24,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:50:24,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:50:24,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:50:24,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:50:24,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:50:24,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:50:24,721 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:50:24,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:50:24,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:50:24,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:50:24,990 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:50:24,992 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:50:24,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized02.bpl [2021-07-01 11:50:25,009 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized02.bpl' [2021-07-01 11:50:25,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:50:25,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:50:25,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:25,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:50:25,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:50:25,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:25,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:50:25,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:50:25,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:50:25,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... [2021-07-01 11:50:25,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:50:25,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:50:25,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:50:25,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:50:25,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (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 11:50:25,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:50:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:50:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:50:25,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:50:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:50:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:50:25,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:50:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:50:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:50:25,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:50:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:50:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:50:25,141 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 11:50:25,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:50:25,307 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:50:25,307 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:50:25,308 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:50:25,309 INFO L202 PluginConnector]: Adding new model bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:50:25 BoogieIcfgContainer [2021-07-01 11:50:25,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:50:25,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:50:25,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:50:25,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:50:25,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/2) ... [2021-07-01 11:50:25,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501b805f and model type bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:50:25, skipping insertion in model container [2021-07-01 11:50:25,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:50:25" (2/2) ... [2021-07-01 11:50:25,314 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized02.bpl [2021-07-01 11:50:25,317 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:50:25,317 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:50:25,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:50:25,318 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:50:25,344 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:50:25,364 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:50:25,418 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:50:25,418 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:50:25,418 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:50:25,418 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:50:25,418 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:50:25,418 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:50:25,418 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:50:25,419 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:50:25,582 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:50:25,584 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) [2021-07-01 11:50:25,599 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:50:25,599 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:50:25,599 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:50:25,599 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:50:25,599 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:50:25,599 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:50:25,599 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:50:25,599 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:50:25,645 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:25,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:25,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1471491469, now seen corresponding path program 1 times [2021-07-01 11:50:25,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:25,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267927956] [2021-07-01 11:50:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:25,751 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 11:50:25,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:25,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267927956] [2021-07-01 11:50:25,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267927956] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:25,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:25,752 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:50:25,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638960966] [2021-07-01 11:50:25,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:50:25,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:25,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:50:25,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:50:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:25,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:25,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:50:25,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:25,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:50:25,820 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:25,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:25,821 INFO L82 PathProgramCache]: Analyzing trace with hash -601649574, now seen corresponding path program 1 times [2021-07-01 11:50:25,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:25,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473617114] [2021-07-01 11:50:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:25,849 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 11:50:25,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:25,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473617114] [2021-07-01 11:50:25,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473617114] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:25,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:25,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:50:25,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186544192] [2021-07-01 11:50:25,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 11:50:25,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:25,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 11:50:25,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 11:50:25,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:25,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:25,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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) [2021-07-01 11:50:25,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:25,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:50:25,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:50:25,965 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:25,966 INFO L82 PathProgramCache]: Analyzing trace with hash -570865360, now seen corresponding path program 1 times [2021-07-01 11:50:25,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:25,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283867492] [2021-07-01 11:50:25,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:26,029 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 11:50:26,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:26,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283867492] [2021-07-01 11:50:26,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283867492] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:26,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:26,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:50:26,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672448209] [2021-07-01 11:50:26,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:50:26,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:26,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:50:26,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:50:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:26,031 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:26,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:50:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:50:26,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:26,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:26,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:50:26,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:50:26,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:50:26,161 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:50:26,161 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:50:26,163 INFO L202 PluginConnector]: Adding new model bluetooth-customized02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:50:26 BasicIcfg [2021-07-01 11:50:26,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:50:26,164 INFO L168 Benchmark]: Toolchain (without parser) took 1133.34 ms. Allocated memory is still 208.7 MB. Free memory was 188.0 MB in the beginning and 130.3 MB in the end (delta: 57.7 MB). Peak memory consumption was 58.2 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:26,164 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 208.7 MB. Free memory is still 189.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:50:26,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.74 ms. Allocated memory is still 208.7 MB. Free memory was 187.8 MB in the beginning and 186.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:26,165 INFO L168 Benchmark]: Boogie Preprocessor took 10.10 ms. Allocated memory is still 208.7 MB. Free memory was 186.1 MB in the beginning and 185.2 MB in the end (delta: 877.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:26,165 INFO L168 Benchmark]: RCFGBuilder took 226.76 ms. Allocated memory is still 208.7 MB. Free memory was 185.0 MB in the beginning and 171.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:26,166 INFO L168 Benchmark]: TraceAbstraction took 853.41 ms. Allocated memory is still 208.7 MB. Free memory was 170.7 MB in the beginning and 130.3 MB in the end (delta: 40.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:26,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 208.7 MB. Free memory is still 189.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.74 ms. Allocated memory is still 208.7 MB. Free memory was 187.8 MB in the beginning and 186.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.10 ms. Allocated memory is still 208.7 MB. Free memory was 186.1 MB in the beginning and 185.2 MB in the end (delta: 877.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 226.76 ms. Allocated memory is still 208.7 MB. Free memory was 185.0 MB in the beginning and 171.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 853.41 ms. Allocated memory is still 208.7 MB. Free memory was 170.7 MB in the beginning and 130.3 MB in the end (delta: 40.4 MB). Peak memory consumption was 41.4 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: 68, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 50, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 43, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 43, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 43, unknown conditional: 0, unknown unconditional: 43] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 ], Maximal queried relation: 0, Independence queries for same thread: 18 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1293, positive: 1116, positive conditional: 1116, positive unconditional: 0, negative: 177, negative conditional: 177, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1167, positive: 1116, positive conditional: 1116, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1167, positive: 958, positive conditional: 0, positive unconditional: 958, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 39, positive conditional: 24, positive unconditional: 15, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 65, positive conditional: 37, positive unconditional: 28, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1167, positive: 861, positive conditional: 0, positive unconditional: 861, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 121, Positive conditional cache size: 24, Positive unconditional cache size: 97, Negative cache size: 32, Negative conditional cache size: 16, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 439, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 281, negative conditional: 103, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 439, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 281, negative conditional: 103, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 39, positive conditional: 24, positive unconditional: 15, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 65, positive conditional: 37, positive unconditional: 28, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 439, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 265, negative conditional: 87, negative unconditional: 178, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 121, Positive conditional cache size: 24, Positive unconditional cache size: 97, Negative cache size: 32, Negative conditional cache size: 16, Negative unconditional cache size: 16, Eliminated conditions: 178, SemanticConditionEliminator.Independence Queries: [ total: 439, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 281, negative conditional: 103, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 439, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 281, negative conditional: 103, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 39, positive conditional: 24, positive unconditional: 15, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 65, positive conditional: 37, positive unconditional: 28, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 439, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 265, negative conditional: 87, negative unconditional: 178, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 121, Positive conditional cache size: 24, Positive unconditional cache size: 97, Negative cache size: 32, Negative conditional cache size: 16, Negative unconditional cache size: 16, Eliminated conditions: 178, SemanticConditionEliminator.Independence Queries: [ total: 439, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 281, negative conditional: 103, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 439, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 281, negative conditional: 103, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 39, positive conditional: 24, positive unconditional: 15, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 65, positive conditional: 37, positive unconditional: 28, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 439, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 265, negative conditional: 87, negative unconditional: 178, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 121, Positive conditional cache size: 24, Positive unconditional cache size: 97, Negative cache size: 32, Negative conditional cache size: 16, Negative unconditional cache size: 16, Eliminated conditions: 178 ], Maximal queried relation: 3, Independence queries for same thread: 126 - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 192.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.7ms, PartialOrderReductionTime: 147.4ms, 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 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 575.3ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 332.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, 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: 6.6ms SsaConstructionTime, 19.7ms SatisfiabilityAnalysisTime, 113.1ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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...