/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:00:38,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:00:38,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:00:38,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:00:38,146 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-Symm.epf [2021-07-01 11:00:38,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:00:38,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:00:38,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:00:38,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:00:38,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:00:38,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:00:38,199 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:00:38,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:00:38,199 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:00:38,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:00:38,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:00:38,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:00:38,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:00:38,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:00:38,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:00:38,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:00:38,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:00:38,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:00:38,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:00:38,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:00:38,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:00:38,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:00:38,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:00:38,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:00:38,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:00:38,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:00:38,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:00:38,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:00:38,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:00:38,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:00:38,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:00:38,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:00:38,204 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:00:38,204 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-07-01 11:00:38,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:00:38,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:00:38,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:00:38,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:00:38,543 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:00:38,545 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:00:38,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl [2021-07-01 11:00:38,546 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl' [2021-07-01 11:00:38,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:00:38,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:00:38,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:00:38,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:00:38,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:00:38,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:00:38,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:00:38,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:00:38,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:00:38,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:00:38,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:00:38,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:00:38,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:00:38,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (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 11:00:38,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:00:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:00:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:00:38,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:00:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:00:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:00:38,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:00:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:00:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:00:38,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:00:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:00:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:00:38,700 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 11:00:39,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:00:39,031 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:00:39,031 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:00:39,032 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:00:39,033 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:00:39 BoogieIcfgContainer [2021-07-01 11:00:39,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:00:39,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:00:39,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:00:39,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:00:39,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/2) ... [2021-07-01 11:00:39,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d84a99 and model type bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:00:39, skipping insertion in model container [2021-07-01 11:00:39,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:00:39" (2/2) ... [2021-07-01 11:00:39,041 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct07.bpl [2021-07-01 11:00:39,047 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:00:39,047 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:00:39,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:00:39,048 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:00:39,092 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:00:39,115 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 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 11:00:39,176 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:00:39,176 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:00:39,177 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:00:39,177 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:00:39,177 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:00:39,177 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:00:39,177 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:00:39,177 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:00:44,767 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:00:44,769 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 11:00:44,799 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:00:44,799 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:00:44,799 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:00:44,799 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:00:44,799 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:00:44,800 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:00:44,800 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:00:44,800 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:00:44,806 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:00:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:00:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash -138273217, now seen corresponding path program 1 times [2021-07-01 11:00:44,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:00:44,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353677569] [2021-07-01 11:00:44,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:00:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:00:44,931 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 11:00:44,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:00:44,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353677569] [2021-07-01 11:00:44,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353677569] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:00:44,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:00:44,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:00:44,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103596204] [2021-07-01 11:00:44,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:00:44,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:00:44,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:00:44,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:00:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:44,950 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:00:44,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:00:44,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:45,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:00:45,287 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:00:45,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:00:45,287 INFO L82 PathProgramCache]: Analyzing trace with hash -111411383, now seen corresponding path program 1 times [2021-07-01 11:00:45,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:00:45,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453742226] [2021-07-01 11:00:45,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:00:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:00:45,300 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 11:00:45,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:00:45,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453742226] [2021-07-01 11:00:45,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453742226] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:00:45,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:00:45,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:00:45,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689783214] [2021-07-01 11:00:45,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:00:45,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:00:45,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:00:45,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:00:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:45,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:00:45,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:00:45,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:45,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:45,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:45,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:00:45,411 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:00:45,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:00:45,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2004284919, now seen corresponding path program 1 times [2021-07-01 11:00:45,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:00:45,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260219316] [2021-07-01 11:00:45,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:00:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:00:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 11:00:45,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:00:45,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260219316] [2021-07-01 11:00:45,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260219316] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:00:45,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:00:45,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:00:45,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104582257] [2021-07-01 11:00:45,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:00:45,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:00:45,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:00:45,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:00:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:45,617 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:00:45,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 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 11:00:45,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:45,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:45,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:51,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:51,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:00:51,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:00:51,708 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:00:51,708 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:00:51,710 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:00:51 BasicIcfg [2021-07-01 11:00:51,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:00:51,712 INFO L168 Benchmark]: Toolchain (without parser) took 13132.39 ms. Allocated memory was 188.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 169.3 MB in the beginning and 1.1 GB in the end (delta: -924.1 MB). Peak memory consumption was 662.3 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:51,712 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 188.7 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:00:51,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.49 ms. Allocated memory is still 188.7 MB. Free memory was 169.2 MB in the beginning and 167.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:51,713 INFO L168 Benchmark]: Boogie Preprocessor took 12.53 ms. Allocated memory is still 188.7 MB. Free memory was 167.4 MB in the beginning and 166.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:00:51,713 INFO L168 Benchmark]: RCFGBuilder took 406.98 ms. Allocated memory is still 188.7 MB. Free memory was 166.4 MB in the beginning and 150.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:51,714 INFO L168 Benchmark]: TraceAbstraction took 12675.73 ms. Allocated memory was 188.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 150.5 MB in the beginning and 1.1 GB in the end (delta: -943.0 MB). Peak memory consumption was 643.5 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:51,716 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 0.17 ms. Allocated memory is still 188.7 MB. Free memory is still 170.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.49 ms. Allocated memory is still 188.7 MB. Free memory was 169.2 MB in the beginning and 167.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.53 ms. Allocated memory is still 188.7 MB. Free memory was 167.4 MB in the beginning and 166.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 406.98 ms. Allocated memory is still 188.7 MB. Free memory was 166.4 MB in the beginning and 150.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12675.73 ms. Allocated memory was 188.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 150.5 MB in the beginning and 1.1 GB in the end (delta: -943.0 MB). Peak memory consumption was 643.5 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: 1994510, positive: 1522204, positive conditional: 1522204, positive unconditional: 0, negative: 472306, negative conditional: 472306, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1834189, positive: 1522204, positive conditional: 1522204, positive unconditional: 0, negative: 311985, negative conditional: 311985, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1834189, positive: 1522204, positive conditional: 0, positive unconditional: 1522204, negative: 311985, negative conditional: 0, negative unconditional: 311985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 350, positive: 300, positive conditional: 0, positive unconditional: 300, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 350, positive: 264, positive conditional: 0, positive unconditional: 264, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 571, positive: 375, positive conditional: 0, positive unconditional: 375, negative: 197, negative conditional: 0, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1834189, positive: 1521904, positive conditional: 0, positive unconditional: 1521904, negative: 311935, negative conditional: 0, negative unconditional: 311935, unknown: 350, unknown conditional: 0, unknown unconditional: 350] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 300, Positive conditional cache size: 0, Positive unconditional cache size: 300, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50 ], Maximal queried relation: 0, Independence queries for same thread: 160321 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 455146, positive: 412073, positive conditional: 412073, positive unconditional: 0, negative: 43073, negative conditional: 43073, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 433919, positive: 412073, positive conditional: 412073, positive unconditional: 0, negative: 21846, negative conditional: 21846, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 433919, positive: 346121, positive conditional: 0, positive unconditional: 346121, negative: 87798, negative conditional: 0, negative unconditional: 87798, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 434, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 434, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 282, positive: 187, positive conditional: 138, positive unconditional: 49, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 712, positive: 559, positive conditional: 341, positive unconditional: 218, negative: 153, negative conditional: 40, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 433919, positive: 345752, positive conditional: 0, positive unconditional: 345752, negative: 87733, negative conditional: 0, negative unconditional: 87733, unknown: 434, unknown conditional: 0, unknown unconditional: 434] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 507, Positive conditional cache size: 138, Positive unconditional cache size: 369, Negative cache size: 95, Negative conditional cache size: 30, Negative unconditional cache size: 65, SemanticConditionEliminator.Independence Queries: [ total: 165918, positive: 65952, positive conditional: 65952, positive unconditional: 0, negative: 99966, negative conditional: 21825, negative unconditional: 78141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165918, positive: 65952, positive conditional: 65952, positive unconditional: 0, negative: 99966, negative conditional: 21825, negative unconditional: 78141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 282, positive: 187, positive conditional: 138, positive unconditional: 49, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 712, positive: 559, positive conditional: 341, positive unconditional: 218, negative: 153, negative conditional: 40, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 165918, positive: 65814, positive conditional: 65814, positive unconditional: 0, negative: 99936, negative conditional: 21795, negative unconditional: 78141, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 507, Positive conditional cache size: 138, Positive unconditional cache size: 369, Negative cache size: 95, Negative conditional cache size: 30, Negative unconditional cache size: 65, Eliminated conditions: 78141, SemanticConditionEliminator.Independence Queries: [ total: 165918, positive: 65952, positive conditional: 65952, positive unconditional: 0, negative: 99966, negative conditional: 21825, negative unconditional: 78141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165918, positive: 65952, positive conditional: 65952, positive unconditional: 0, negative: 99966, negative conditional: 21825, negative unconditional: 78141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 282, positive: 187, positive conditional: 138, positive unconditional: 49, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 712, positive: 559, positive conditional: 341, positive unconditional: 218, negative: 153, negative conditional: 40, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 165918, positive: 65814, positive conditional: 65814, positive unconditional: 0, negative: 99936, negative conditional: 21795, negative unconditional: 78141, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 507, Positive conditional cache size: 138, Positive unconditional cache size: 369, Negative cache size: 95, Negative conditional cache size: 30, Negative unconditional cache size: 65, Eliminated conditions: 78141, SemanticConditionEliminator.Independence Queries: [ total: 165918, positive: 65952, positive conditional: 65952, positive unconditional: 0, negative: 99966, negative conditional: 21825, negative unconditional: 78141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165918, positive: 65952, positive conditional: 65952, positive unconditional: 0, negative: 99966, negative conditional: 21825, negative unconditional: 78141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 282, positive: 187, positive conditional: 138, positive unconditional: 49, negative: 95, negative conditional: 30, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 712, positive: 559, positive conditional: 341, positive unconditional: 218, negative: 153, negative conditional: 40, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 165918, positive: 65814, positive conditional: 65814, positive unconditional: 0, negative: 99936, negative conditional: 21795, negative unconditional: 78141, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 507, Positive conditional cache size: 138, Positive unconditional cache size: 369, Negative cache size: 95, Negative conditional cache size: 30, Negative unconditional cache size: 65, Eliminated conditions: 78141 ], Maximal queried relation: 3, Independence queries for same thread: 21227 - PositiveResult [Line: 40]: 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5636.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 5563.0ms, 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6936.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 6526.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.0ms SsaConstructionTime, 31.8ms SatisfiabilityAnalysisTime, 232.0ms InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 11/11 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...