/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:50:24,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:50:24,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:50:24,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:50:24,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 11:50:24,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 11:50:24,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 11:50:24,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random7777.epf [2021-07-01 11:50:24,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:50:24,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:50:24,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:50:24,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:50:24,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:50:24,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:50:24,968 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:50:24,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:50:24,969 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:50:24,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:50:24,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:50:24,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:50:24,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:50:24,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:50:24,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:50:24,971 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:50:24,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:50:24,971 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:50:24,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:50:24,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:50:24,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:50:24,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:50:24,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:50:24,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:50:24,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:50:24,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:50:24,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:50:24,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:50:24,973 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:50:24,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:50:24,973 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:50:24,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:50:24,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:50:24,974 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:50:24,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:50:24,974 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:50:25,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:50:25,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:50:25,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:50:25,334 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:50:25,335 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:50:25,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl [2021-07-01 11:50:25,336 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl' [2021-07-01 11:50:25,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:50:25,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:50:25,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:25,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:50:25,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:50:25,379 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,386 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:25,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:50:25,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:50:25,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:50:25,409 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,409 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,410 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,410 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,413 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,416 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,417 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 11:50:25" (1/1) ... [2021-07-01 11:50:25,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:50:25,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:50:25,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:50:25,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:50:25,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:50:25,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:50:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:50:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:50:25,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:50:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:50:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:50:25,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:50:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:50:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:50:25,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:50:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:50:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:50:25,505 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:50:25,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:50:25,844 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:50:25,846 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:50:25,846 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:50:25,847 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:50:25 BoogieIcfgContainer [2021-07-01 11:50:25,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:50:25,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:50:25,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:50:25,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:50:25,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:25" (1/2) ... [2021-07-01 11:50:25,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d64b9ca and model type bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:50:25, skipping insertion in model container [2021-07-01 11:50:25,854 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 11:50:25" (2/2) ... [2021-07-01 11:50:25,855 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct06.bpl [2021-07-01 11:50:25,860 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:50:25,860 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:50:25,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:50:25,861 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:50:25,925 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:50:25,946 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 11:50:25,995 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:50:25,995 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:50:25,995 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:50:25,995 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:50:25,995 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:50:25,995 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:50:25,995 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:50:25,996 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:50:29,807 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:50:29,809 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:50:29,823 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:50:29,823 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:50:29,823 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:50:29,823 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:50:29,823 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:50:29,823 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:50:29,823 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:50:29,824 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:50:29,865 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:29,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:29,869 INFO L82 PathProgramCache]: Analyzing trace with hash 2049804653, now seen corresponding path program 1 times [2021-07-01 11:50:29,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:29,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016149715] [2021-07-01 11:50:29,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:50:29,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:29,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016149715] [2021-07-01 11:50:29,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016149715] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:29,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:29,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:50:29,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769239598] [2021-07-01 11:50:29,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:50:29,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:29,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:50:29,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:50:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:29,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:29,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:50:29,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:30,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:50:30,121 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:30,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:30,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1678390682, now seen corresponding path program 1 times [2021-07-01 11:50:30,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:30,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896025408] [2021-07-01 11:50:30,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:50:30,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:30,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896025408] [2021-07-01 11:50:30,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896025408] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:50:30,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:50:30,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:50:30,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533538383] [2021-07-01 11:50:30,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:50:30,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:30,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:50:30,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:50:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:30,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:30,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:50:30,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:30,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:30,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:30,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:50:30,278 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:30,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:30,279 INFO L82 PathProgramCache]: Analyzing trace with hash 629185377, now seen corresponding path program 1 times [2021-07-01 11:50:30,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:30,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265029148] [2021-07-01 11:50:30,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-01 11:50:30,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:30,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265029148] [2021-07-01 11:50:30,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265029148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:30,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975079719] [2021-07-01 11:50:30,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:50:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:30,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-01 11:50:30,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:50:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:50:30,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975079719] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:30,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:50:30,927 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 10 [2021-07-01 11:50:30,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170364512] [2021-07-01 11:50:30,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 11:50:30,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:30,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 11:50:30,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-01 11:50:30,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:30,929 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:30,929 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:50:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:50:31,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:50:31,629 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:50:31,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:50:31,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1375815852, now seen corresponding path program 2 times [2021-07-01 11:50:31,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:50:31,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467463116] [2021-07-01 11:50:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:50:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:50:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 29 proven. 16 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-07-01 11:50:31,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:50:31,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467463116] [2021-07-01 11:50:31,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467463116] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:31,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226735612] [2021-07-01 11:50:31,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:50:31,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-01 11:50:31,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-01 11:50:31,864 WARN L261 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-01 11:50:31,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:50:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-01 11:50:32,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226735612] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:50:32,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:50:32,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 14 [2021-07-01 11:50:32,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384879875] [2021-07-01 11:50:32,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-01 11:50:32,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:50:32,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-01 11:50:32,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-07-01 11:50:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:32,117 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:50:32,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.933333333333334) internal successors, (74), 14 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:50:32,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:32,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:32,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:50:32,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:50:37,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:37,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:50:37,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:50:37,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-01 11:50:37,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:50:37,571 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:50:37,572 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:50:37,574 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:50:37 BasicIcfg [2021-07-01 11:50:37,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:50:37,575 INFO L168 Benchmark]: Toolchain (without parser) took 12214.57 ms. Allocated memory was 184.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 163.5 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 720.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:37,575 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory is still 164.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:50:37,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 184.5 MB. Free memory was 163.5 MB in the beginning and 161.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:37,575 INFO L168 Benchmark]: Boogie Preprocessor took 16.79 ms. Allocated memory is still 184.5 MB. Free memory was 161.6 MB in the beginning and 160.7 MB in the end (delta: 870.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:37,575 INFO L168 Benchmark]: RCFGBuilder took 427.79 ms. Allocated memory is still 184.5 MB. Free memory was 160.6 MB in the beginning and 145.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:37,575 INFO L168 Benchmark]: TraceAbstraction took 11725.08 ms. Allocated memory was 184.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 144.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 701.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:50:37,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory is still 164.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 184.5 MB. Free memory was 163.5 MB in the beginning and 161.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.79 ms. Allocated memory is still 184.5 MB. Free memory was 161.6 MB in the beginning and 160.7 MB in the end (delta: 870.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 427.79 ms. Allocated memory is still 184.5 MB. Free memory was 160.6 MB in the beginning and 145.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11725.08 ms. Allocated memory was 184.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 144.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 701.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1142131, positive: 867741, positive conditional: 867741, positive unconditional: 0, negative: 274390, negative conditional: 274390, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1029452, positive: 867741, positive conditional: 867741, positive unconditional: 0, negative: 161711, negative conditional: 161711, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1029452, positive: 867741, positive conditional: 0, positive unconditional: 867741, negative: 161711, negative conditional: 0, negative unconditional: 161711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 497, positive: 435, positive conditional: 0, positive unconditional: 435, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 497, positive: 377, positive conditional: 0, positive unconditional: 377, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 120, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 495, positive: 220, positive conditional: 0, positive unconditional: 220, negative: 275, negative conditional: 0, negative unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1029452, positive: 867306, positive conditional: 0, positive unconditional: 867306, negative: 161649, negative conditional: 0, negative unconditional: 161649, unknown: 497, unknown conditional: 0, unknown unconditional: 497] , Statistics on independence cache: Total cache size (in pairs): 497, Positive cache size: 435, Positive conditional cache size: 0, Positive unconditional cache size: 435, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 ], Maximal queried relation: 0, Independence queries for same thread: 112679 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 978028, positive: 915567, positive conditional: 915567, positive unconditional: 0, negative: 62461, negative conditional: 62461, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 925917, positive: 915567, positive conditional: 915567, positive unconditional: 0, negative: 10350, negative conditional: 10350, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 925917, positive: 796592, positive conditional: 0, positive unconditional: 796592, negative: 129325, negative conditional: 0, negative unconditional: 129325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 588, positive: 512, positive conditional: 0, positive unconditional: 512, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 588, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 152, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 549, positive: 374, positive conditional: 298, positive unconditional: 76, negative: 175, negative conditional: 99, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 776, positive: 545, positive conditional: 409, positive unconditional: 135, negative: 231, negative conditional: 112, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 925917, positive: 796080, positive conditional: 0, positive unconditional: 796080, negative: 129249, negative conditional: 0, negative unconditional: 129249, unknown: 588, unknown conditional: 0, unknown unconditional: 588] , Statistics on independence cache: Total cache size (in pairs): 985, Positive cache size: 810, Positive conditional cache size: 298, Positive unconditional cache size: 512, Negative cache size: 175, Negative conditional cache size: 99, Negative unconditional cache size: 76, SemanticConditionEliminator.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 549, positive: 374, positive conditional: 298, positive unconditional: 76, negative: 175, negative conditional: 99, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 776, positive: 545, positive conditional: 409, positive unconditional: 135, negative: 231, negative conditional: 112, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 242468, positive: 118677, positive conditional: 118677, positive unconditional: 0, negative: 123394, negative conditional: 21917, negative unconditional: 101477, unknown: 397, unknown conditional: 397, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 985, Positive cache size: 810, Positive conditional cache size: 298, Positive unconditional cache size: 512, Negative cache size: 175, Negative conditional cache size: 99, Negative unconditional cache size: 76, Eliminated conditions: 101477, SemanticConditionEliminator.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 549, positive: 374, positive conditional: 298, positive unconditional: 76, negative: 175, negative conditional: 99, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 776, positive: 545, positive conditional: 409, positive unconditional: 135, negative: 231, negative conditional: 112, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 242468, positive: 118677, positive conditional: 118677, positive unconditional: 0, negative: 123394, negative conditional: 21917, negative unconditional: 101477, unknown: 397, unknown conditional: 397, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 985, Positive cache size: 810, Positive conditional cache size: 298, Positive unconditional cache size: 512, Negative cache size: 175, Negative conditional cache size: 99, Negative unconditional cache size: 76, Eliminated conditions: 101477, SemanticConditionEliminator.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 549, positive: 374, positive conditional: 298, positive unconditional: 76, negative: 175, negative conditional: 99, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 776, positive: 545, positive conditional: 409, positive unconditional: 135, negative: 231, negative conditional: 112, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 242468, positive: 118677, positive conditional: 118677, positive unconditional: 0, negative: 123394, negative conditional: 21917, negative unconditional: 101477, unknown: 397, unknown conditional: 397, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 985, Positive cache size: 810, Positive conditional cache size: 298, Positive unconditional cache size: 512, Negative cache size: 175, Negative conditional cache size: 99, Negative unconditional cache size: 76, Eliminated conditions: 101477, SemanticConditionEliminator.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 242468, positive: 118975, positive conditional: 118975, positive unconditional: 0, negative: 123493, negative conditional: 22016, negative unconditional: 101477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 549, positive: 374, positive conditional: 298, positive unconditional: 76, negative: 175, negative conditional: 99, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 776, positive: 545, positive conditional: 409, positive unconditional: 135, negative: 231, negative conditional: 112, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 242468, positive: 118677, positive conditional: 118677, positive unconditional: 0, negative: 123394, negative conditional: 21917, negative unconditional: 101477, unknown: 397, unknown conditional: 397, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 985, Positive cache size: 810, Positive conditional cache size: 298, Positive unconditional cache size: 512, Negative cache size: 175, Negative conditional cache size: 99, Negative unconditional cache size: 76, Eliminated conditions: 101477 ], Maximal queried relation: 4, Independence queries for same thread: 52111 - 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: 3845.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 39.9ms, PartialOrderReductionTime: 3765.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7760.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 6020.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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: 19.4ms SsaConstructionTime, 110.1ms SatisfiabilityAnalysisTime, 982.2ms InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 1076 SizeOfPredicates, 2 NumberOfNonLiveVariables, 212 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 121/192 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...