/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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:18:16,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:18:16,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:18:16,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:18:17,049 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-DelaySleep-NoLbe.epf [2021-07-01 10:18:17,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:18:17,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:18:17,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:18:17,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:18:17,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:18:17,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:18:17,089 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:18:17,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:18:17,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:18:17,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:18:17,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:18:17,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:18:17,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:18:17,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:18:17,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:18:17,092 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:18:17,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:18:17,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:18:17,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:18:17,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:18:17,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:18:17,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:18:17,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:18:17,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:18:17,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:18:17,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:18:17,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:18:17,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:18:17,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:18:17,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:18:17,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:18:17,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:18:17,095 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-01 10:18:17,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:18:17,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:18:17,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:18:17,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:18:17,461 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:18:17,465 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:18:17,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl [2021-07-01 10:18:17,466 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl' [2021-07-01 10:18:17,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:18:17,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:18:17,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:18:17,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:18:17,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:18:17,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:18:17,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:18:17,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:18:17,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:18:17,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:18:17,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:18:17,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:18:17,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:18:17,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (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 10:18:17,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 10:18:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 10:18:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 10:18:17,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:18:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:18:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:18:17,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:18:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:18:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:18:17,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:18:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:18:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:18:17,633 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 10:18:17,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:18:17,846 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 10:18:17,847 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 10:18:17,847 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:18:17,849 INFO L202 PluginConnector]: Adding new model bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:18:17 BoogieIcfgContainer [2021-07-01 10:18:17,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:18:17,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:18:17,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:18:17,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:18:17,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/2) ... [2021-07-01 10:18:17,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e590ccb and model type bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:18:17, skipping insertion in model container [2021-07-01 10:18:17,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:18:17" (2/2) ... [2021-07-01 10:18:17,855 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct09.bpl [2021-07-01 10:18:17,859 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:18:17,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:18:17,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:18:17,860 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:18:17,940 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:18:17,962 INFO L255 AbstractCegarLoop]: Starting to check reachability of 10 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 10:18:18,017 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:18:18,017 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:18:18,017 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:18:18,018 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:18:18,018 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:18:18,018 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:18:18,018 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:18:18,018 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:19:07,713 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 10:19:07,714 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 10:19:07,729 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:19:07,730 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:19:07,730 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:19:07,730 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:19:07,730 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:19:07,730 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:19:07,730 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:19:07,730 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 10:19:07,735 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:19:07,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:19:07,739 INFO L82 PathProgramCache]: Analyzing trace with hash -990141782, now seen corresponding path program 1 times [2021-07-01 10:19:07,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:19:07,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035854794] [2021-07-01 10:19:07,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:19:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:19:07,835 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 10:19:07,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:19:07,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035854794] [2021-07-01 10:19:07,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035854794] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:19:07,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:19:07,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:19:07,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273829384] [2021-07-01 10:19:07,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:19:07,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:19:07,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:19:07,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:19:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:19:07,852 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:19:07,853 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 10:19:07,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:19:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:19:08,367 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:19:08,367 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:19:08,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:19:08,368 INFO L82 PathProgramCache]: Analyzing trace with hash 932714056, now seen corresponding path program 1 times [2021-07-01 10:19:08,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:19:08,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287976504] [2021-07-01 10:19:08,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:19:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:19:08,395 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 10:19:08,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:19:08,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287976504] [2021-07-01 10:19:08,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287976504] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:19:08,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:19:08,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 10:19:08,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740488952] [2021-07-01 10:19:08,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:19:08,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:19:08,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:19:08,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:19:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:19:08,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:19:08,400 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 10:19:08,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:19:08,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:19:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:19:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:19:09,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:19:09,149 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:19:09,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:19:09,151 INFO L82 PathProgramCache]: Analyzing trace with hash -762934312, now seen corresponding path program 1 times [2021-07-01 10:19:09,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:19:09,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348863273] [2021-07-01 10:19:09,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:19:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:19:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 10:19:09,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:19:09,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348863273] [2021-07-01 10:19:09,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348863273] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:19:09,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:19:09,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 10:19:09,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682626752] [2021-07-01 10:19:09,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 10:19:09,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:19:09,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 10:19:09,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 10:19:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:19:09,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:19:09,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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 10:19:09,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:19:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:19:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:21:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:21:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:21:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:21:15,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:21:15,287 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 10:21:15,288 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:21:15,290 INFO L202 PluginConnector]: Adding new model bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:21:15 BasicIcfg [2021-07-01 10:21:15,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:21:15,295 INFO L168 Benchmark]: Toolchain (without parser) took 177794.32 ms. Allocated memory was 213.9 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 193.9 MB in the beginning and 1.1 GB in the end (delta: -897.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-07-01 10:21:15,296 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 213.9 MB. Free memory was 194.9 MB in the beginning and 194.9 MB in the end (delta: 85.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:21:15,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.52 ms. Allocated memory is still 213.9 MB. Free memory was 193.7 MB in the beginning and 192.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:21:15,296 INFO L168 Benchmark]: Boogie Preprocessor took 17.70 ms. Allocated memory is still 213.9 MB. Free memory was 191.8 MB in the beginning and 190.9 MB in the end (delta: 933.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:21:15,297 INFO L168 Benchmark]: RCFGBuilder took 289.58 ms. Allocated memory is still 213.9 MB. Free memory was 190.9 MB in the beginning and 175.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-07-01 10:21:15,297 INFO L168 Benchmark]: TraceAbstraction took 177440.30 ms. Allocated memory was 213.9 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 174.5 MB in the beginning and 1.1 GB in the end (delta: -916.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 8.0 GB. [2021-07-01 10:21:15,300 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 0.13 ms. Allocated memory is still 213.9 MB. Free memory was 194.9 MB in the beginning and 194.9 MB in the end (delta: 85.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.52 ms. Allocated memory is still 213.9 MB. Free memory was 193.7 MB in the beginning and 192.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.70 ms. Allocated memory is still 213.9 MB. Free memory was 191.8 MB in the beginning and 190.9 MB in the end (delta: 933.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 289.58 ms. Allocated memory is still 213.9 MB. Free memory was 190.9 MB in the beginning and 175.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 177440.30 ms. Allocated memory was 213.9 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 174.5 MB in the beginning and 1.1 GB in the end (delta: -916.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1513298, positive: 1253957, positive conditional: 1253957, positive unconditional: 0, negative: 259341, negative conditional: 259341, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1438029, positive: 1253957, positive conditional: 1253957, positive unconditional: 0, negative: 184072, negative conditional: 184072, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1438029, positive: 1253957, positive conditional: 0, positive unconditional: 1253957, negative: 184072, negative conditional: 0, negative unconditional: 184072, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 719, positive: 605, positive conditional: 0, positive unconditional: 605, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 719, positive: 524, positive conditional: 0, positive unconditional: 524, negative: 195, negative conditional: 0, negative unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 195, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 601, positive: 327, positive conditional: 0, positive unconditional: 327, negative: 274, negative conditional: 0, negative unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1438029, positive: 1253352, positive conditional: 0, positive unconditional: 1253352, negative: 183958, negative conditional: 0, negative unconditional: 183958, unknown: 719, unknown conditional: 0, unknown unconditional: 719] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 605, Positive conditional cache size: 0, Positive unconditional cache size: 605, Negative cache size: 114, Negative conditional cache size: 0, Negative unconditional cache size: 114 ], Maximal queried relation: 0, Independence queries for same thread: 75269 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3693067, positive: 3582755, positive conditional: 3582755, positive unconditional: 0, negative: 110312, negative conditional: 110312, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3605401, positive: 3582755, positive conditional: 3582755, positive unconditional: 0, negative: 22646, negative conditional: 22646, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3605401, positive: 3194389, positive conditional: 0, positive unconditional: 3194389, negative: 411012, negative conditional: 0, negative unconditional: 411012, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 748, positive: 648, positive conditional: 0, positive unconditional: 648, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 748, positive: 548, positive conditional: 0, positive unconditional: 548, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 200, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 296, positive conditional: 196, positive unconditional: 100, negative: 125, negative conditional: 25, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 612, positive: 463, positive conditional: 268, positive unconditional: 195, negative: 149, negative conditional: 29, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3605401, positive: 3193741, positive conditional: 0, positive unconditional: 3193741, negative: 410912, negative conditional: 0, negative unconditional: 410912, unknown: 748, unknown conditional: 0, unknown unconditional: 748] , Statistics on independence cache: Total cache size (in pairs): 969, Positive cache size: 844, Positive conditional cache size: 196, Positive unconditional cache size: 648, Negative cache size: 125, Negative conditional cache size: 25, Negative unconditional cache size: 100, SemanticConditionEliminator.Independence Queries: [ total: 705681, positive: 388366, positive conditional: 388366, positive unconditional: 0, negative: 317315, negative conditional: 22625, negative unconditional: 294690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 705681, positive: 388366, positive conditional: 388366, positive unconditional: 0, negative: 317315, negative conditional: 22625, negative unconditional: 294690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 296, positive conditional: 196, positive unconditional: 100, negative: 125, negative conditional: 25, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 612, positive: 463, positive conditional: 268, positive unconditional: 195, negative: 149, negative conditional: 29, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 705681, positive: 388170, positive conditional: 388170, positive unconditional: 0, negative: 317290, negative conditional: 22600, negative unconditional: 294690, unknown: 221, unknown conditional: 221, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 969, Positive cache size: 844, Positive conditional cache size: 196, Positive unconditional cache size: 648, Negative cache size: 125, Negative conditional cache size: 25, Negative unconditional cache size: 100, Eliminated conditions: 294690, SemanticConditionEliminator.Independence Queries: [ total: 705681, positive: 388366, positive conditional: 388366, positive unconditional: 0, negative: 317315, negative conditional: 22625, negative unconditional: 294690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 705681, positive: 388366, positive conditional: 388366, positive unconditional: 0, negative: 317315, negative conditional: 22625, negative unconditional: 294690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 296, positive conditional: 196, positive unconditional: 100, negative: 125, negative conditional: 25, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 612, positive: 463, positive conditional: 268, positive unconditional: 195, negative: 149, negative conditional: 29, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 705681, positive: 388170, positive conditional: 388170, positive unconditional: 0, negative: 317290, negative conditional: 22600, negative unconditional: 294690, unknown: 221, unknown conditional: 221, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 969, Positive cache size: 844, Positive conditional cache size: 196, Positive unconditional cache size: 648, Negative cache size: 125, Negative conditional cache size: 25, Negative unconditional cache size: 100, Eliminated conditions: 294690, SemanticConditionEliminator.Independence Queries: [ total: 705681, positive: 388366, positive conditional: 388366, positive unconditional: 0, negative: 317315, negative conditional: 22625, negative unconditional: 294690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 705681, positive: 388366, positive conditional: 388366, positive unconditional: 0, negative: 317315, negative conditional: 22625, negative unconditional: 294690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 421, positive: 296, positive conditional: 196, positive unconditional: 100, negative: 125, negative conditional: 25, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 612, positive: 463, positive conditional: 268, positive unconditional: 195, negative: 149, negative conditional: 29, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 705681, positive: 388170, positive conditional: 388170, positive unconditional: 0, negative: 317290, negative conditional: 22600, negative unconditional: 294690, unknown: 221, unknown conditional: 221, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 969, Positive cache size: 844, Positive conditional cache size: 196, Positive unconditional cache size: 648, Negative cache size: 125, Negative conditional cache size: 25, Negative unconditional cache size: 100, Eliminated conditions: 294690 ], Maximal queried relation: 3, Independence queries for same thread: 87666 - PositiveResult [Line: 42]: 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 14 procedures, 75 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49735.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.0ms, PartialOrderReductionTime: 49675.2ms, 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 14 procedures, 75 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 127570.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 127259.4ms, 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: 4.3ms SsaConstructionTime, 39.3ms SatisfiabilityAnalysisTime, 141.6ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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...