/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-correct06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:18:17,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:18:17,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:18:17,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:18:17,348 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 10:18:17,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:18:17,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:18:17,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:18:17,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:18:17,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:18:17,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:18:17,389 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:18:17,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:18:17,390 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:18:17,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:18:17,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:18:17,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:18:17,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:18:17,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:18:17,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:18:17,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:18:17,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:18:17,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:18:17,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:18:17,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:18:17,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:18:17,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:18:17,393 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:18:17,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:18:17,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:18:17,394 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-01 10:18:17,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:18:17,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:18:17,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:18:17,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:18:17,740 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:18:17,741 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:18:17,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl [2021-07-01 10:18:17,742 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl' [2021-07-01 10:18:17,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:18:17,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:18:17,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:18:17,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:18:17,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:18:17,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:18:17,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:18:17,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:18:17,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:18:17,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/1) ... [2021-07-01 10:18:17,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:18:17,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:18:17,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:18:17,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:18:17,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct06.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 10:18:17,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 10:18:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 10:18:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 10:18:17,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:18:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:18:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:18:17,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:18:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:18:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:18:17,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:18:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:18:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:18:17,890 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 10:18:18,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:18:18,073 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 10:18:18,074 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 10:18:18,074 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:18:18,076 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:18:18 BoogieIcfgContainer [2021-07-01 10:18:18,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:18:18,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:18:18,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:18:18,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:18:18,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:18:17" (1/2) ... [2021-07-01 10:18:18,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27dbae1 and model type bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:18:18, skipping insertion in model container [2021-07-01 10:18:18,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:18:18" (2/2) ... [2021-07-01 10:18:18,082 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct06.bpl [2021-07-01 10:18:18,087 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:18:18,087 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:18:18,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:18:18,088 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:18:18,131 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:18:18,174 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 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 10:18:18,235 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:18:18,236 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:18:18,236 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:18:18,236 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:18:18,236 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:18:18,236 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:18:18,236 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:18:18,237 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:18:19,339 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 10:18:19,341 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 10:18:19,361 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:18:19,361 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:18:19,361 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:18:19,361 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:18:19,361 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:18:19,361 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:18:19,361 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:18:19,362 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 10:18:19,366 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:18:19,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:18:19,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1277504551, now seen corresponding path program 1 times [2021-07-01 10:18:19,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:18:19,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253693729] [2021-07-01 10:18:19,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:18:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:18:19,502 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 10:18:19,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:18:19,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253693729] [2021-07-01 10:18:19,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253693729] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:18:19,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:18:19,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:18:19,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707191979] [2021-07-01 10:18:19,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:18:19,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:18:19,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:18:19,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:18:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:18:19,525 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:18:19,526 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 10:18:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:18:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:19,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:18:19,713 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:18:19,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:18:19,715 INFO L82 PathProgramCache]: Analyzing trace with hash 529119306, now seen corresponding path program 1 times [2021-07-01 10:18:19,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:18:19,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645947943] [2021-07-01 10:18:19,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:18:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:18:19,744 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 10:18:19,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:18:19,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645947943] [2021-07-01 10:18:19,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645947943] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:18:19,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:18:19,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 10:18:19,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795941858] [2021-07-01 10:18:19,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:18:19,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:18:19,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:18:19,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:18:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:18:19,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:18:19,752 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 10:18:19,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:19,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:18:19,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:19,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:19,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:18:19,902 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:18:19,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:18:19,902 INFO L82 PathProgramCache]: Analyzing trace with hash 2113405952, now seen corresponding path program 1 times [2021-07-01 10:18:19,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:18:19,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558743264] [2021-07-01 10:18:19,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:18:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:18:20,070 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 10:18:20,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:18:20,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558743264] [2021-07-01 10:18:20,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558743264] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:18:20,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:18:20,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 10:18:20,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178867512] [2021-07-01 10:18:20,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 10:18:20,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:18:20,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 10:18:20,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 10:18:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:18:20,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:18:20,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 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 10:18:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:20,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:18:21,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:21,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:18:21,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:18:21,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:18:21,602 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 10:18:21,602 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:18:21,605 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:18:21 BasicIcfg [2021-07-01 10:18:21,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:18:21,610 INFO L168 Benchmark]: Toolchain (without parser) took 3841.44 ms. Allocated memory was 185.6 MB in the beginning and 254.8 MB in the end (delta: 69.2 MB). Free memory was 165.1 MB in the beginning and 163.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 179.2 MB. Max. memory is 8.0 GB. [2021-07-01 10:18:21,610 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 166.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:18:21,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.22 ms. Allocated memory is still 185.6 MB. Free memory was 165.0 MB in the beginning and 163.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:18:21,611 INFO L168 Benchmark]: Boogie Preprocessor took 16.22 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 162.3 MB in the end (delta: 932.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:18:21,611 INFO L168 Benchmark]: RCFGBuilder took 255.73 ms. Allocated memory is still 185.6 MB. Free memory was 162.2 MB in the beginning and 147.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 10:18:21,612 INFO L168 Benchmark]: TraceAbstraction took 3527.48 ms. Allocated memory was 185.6 MB in the beginning and 254.8 MB in the end (delta: 69.2 MB). Free memory was 146.8 MB in the beginning and 163.1 MB in the end (delta: -16.3 MB). Peak memory consumption was 160.3 MB. Max. memory is 8.0 GB. [2021-07-01 10:18:21,617 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 185.6 MB. Free memory is still 166.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.22 ms. Allocated memory is still 185.6 MB. Free memory was 165.0 MB in the beginning and 163.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.22 ms. Allocated memory is still 185.6 MB. Free memory was 163.2 MB in the beginning and 162.3 MB in the end (delta: 932.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 255.73 ms. Allocated memory is still 185.6 MB. Free memory was 162.2 MB in the beginning and 147.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3527.48 ms. Allocated memory was 185.6 MB in the beginning and 254.8 MB in the end (delta: 69.2 MB). Free memory was 146.8 MB in the beginning and 163.1 MB in the end (delta: -16.3 MB). Peak memory consumption was 160.3 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: 27231, positive: 22824, positive conditional: 22824, positive unconditional: 0, negative: 4407, negative conditional: 4407, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 25456, positive: 22824, positive conditional: 22824, positive unconditional: 0, negative: 2632, negative conditional: 2632, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 25456, positive: 22824, positive conditional: 0, positive unconditional: 22824, negative: 2632, negative conditional: 0, negative unconditional: 2632, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 316, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 316, positive: 239, positive conditional: 0, positive unconditional: 239, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 344, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25456, positive: 22549, positive conditional: 0, positive unconditional: 22549, negative: 2591, negative conditional: 0, negative unconditional: 2591, unknown: 316, unknown conditional: 0, unknown unconditional: 316] , Statistics on independence cache: Total cache size (in pairs): 316, Positive cache size: 275, Positive conditional cache size: 0, Positive unconditional cache size: 275, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 ], Maximal queried relation: 0, Independence queries for same thread: 1775 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 95881, positive: 91656, positive conditional: 91656, positive unconditional: 0, negative: 4225, negative conditional: 4225, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 92410, positive: 91656, positive conditional: 91656, positive unconditional: 0, negative: 754, negative conditional: 754, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 92410, positive: 82714, positive conditional: 0, positive unconditional: 82714, negative: 9696, negative conditional: 0, negative unconditional: 9696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 391, positive: 342, positive conditional: 0, positive unconditional: 342, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 391, positive: 293, positive conditional: 0, positive unconditional: 293, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 199, positive: 134, positive conditional: 85, positive unconditional: 49, negative: 65, negative conditional: 16, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 300, positive conditional: 144, positive unconditional: 156, negative: 99, negative conditional: 18, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92410, positive: 82372, positive conditional: 0, positive unconditional: 82372, negative: 9647, negative conditional: 0, negative unconditional: 9647, unknown: 391, unknown conditional: 0, unknown unconditional: 391] , Statistics on independence cache: Total cache size (in pairs): 492, Positive cache size: 427, Positive conditional cache size: 85, Positive unconditional cache size: 342, Negative cache size: 65, Negative conditional cache size: 16, Negative unconditional cache size: 49, SemanticConditionEliminator.Independence Queries: [ total: 16643, positive: 8942, positive conditional: 8942, positive unconditional: 0, negative: 7701, negative conditional: 739, negative unconditional: 6962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16643, positive: 8942, positive conditional: 8942, positive unconditional: 0, negative: 7701, negative conditional: 739, negative unconditional: 6962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 199, positive: 134, positive conditional: 85, positive unconditional: 49, negative: 65, negative conditional: 16, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 300, positive conditional: 144, positive unconditional: 156, negative: 99, negative conditional: 18, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16643, positive: 8857, positive conditional: 8857, positive unconditional: 0, negative: 7685, negative conditional: 723, negative unconditional: 6962, unknown: 101, unknown conditional: 101, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 492, Positive cache size: 427, Positive conditional cache size: 85, Positive unconditional cache size: 342, Negative cache size: 65, Negative conditional cache size: 16, Negative unconditional cache size: 49, Eliminated conditions: 6962, SemanticConditionEliminator.Independence Queries: [ total: 16643, positive: 8942, positive conditional: 8942, positive unconditional: 0, negative: 7701, negative conditional: 739, negative unconditional: 6962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16643, positive: 8942, positive conditional: 8942, positive unconditional: 0, negative: 7701, negative conditional: 739, negative unconditional: 6962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 199, positive: 134, positive conditional: 85, positive unconditional: 49, negative: 65, negative conditional: 16, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 300, positive conditional: 144, positive unconditional: 156, negative: 99, negative conditional: 18, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16643, positive: 8857, positive conditional: 8857, positive unconditional: 0, negative: 7685, negative conditional: 723, negative unconditional: 6962, unknown: 101, unknown conditional: 101, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 492, Positive cache size: 427, Positive conditional cache size: 85, Positive unconditional cache size: 342, Negative cache size: 65, Negative conditional cache size: 16, Negative unconditional cache size: 49, Eliminated conditions: 6962, SemanticConditionEliminator.Independence Queries: [ total: 16643, positive: 8942, positive conditional: 8942, positive unconditional: 0, negative: 7701, negative conditional: 739, negative unconditional: 6962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16643, positive: 8942, positive conditional: 8942, positive unconditional: 0, negative: 7701, negative conditional: 739, negative unconditional: 6962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 199, positive: 134, positive conditional: 85, positive unconditional: 49, negative: 65, negative conditional: 16, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 399, positive: 300, positive conditional: 144, positive unconditional: 156, negative: 99, negative conditional: 18, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16643, positive: 8857, positive conditional: 8857, positive unconditional: 0, negative: 7685, negative conditional: 723, negative unconditional: 6962, unknown: 101, unknown conditional: 101, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 492, Positive cache size: 427, Positive conditional cache size: 85, Positive unconditional cache size: 342, Negative cache size: 65, Negative conditional cache size: 16, Negative unconditional cache size: 49, Eliminated conditions: 6962 ], Maximal queried relation: 3, Independence queries for same thread: 3471 - PositiveResult [Line: 39]: 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1138.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 1072.2ms, 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2258.2ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 1858.7ms, 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: 5.5ms SsaConstructionTime, 43.0ms SatisfiabilityAnalysisTime, 198.8ms InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 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...