/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 13:15:28,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 13:15:28,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 13:15:28,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 13:15:28,543 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-01 13:15:28,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 13:15:28,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 13:15:28,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 13:15:28,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 13:15:28,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 13:15:28,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 13:15:28,578 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 13:15:28,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 13:15:28,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 13:15:28,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 13:15:28,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 13:15:28,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 13:15:28,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 13:15:28,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 13:15:28,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 13:15:28,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 13:15:28,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:15:28,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 13:15:28,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 13:15:28,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 13:15:28,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 13:15:28,581 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 13:15:28,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 13:15:28,581 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 13:15:28,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 13:15:28,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 13:15:28,582 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 13:15:28,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 13:15:28,582 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 13:15:28,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 13:15:28,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 13:15:28,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 13:15:28,854 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 13:15:28,855 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 13:15:28,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl [2021-07-01 13:15:28,856 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct03.bpl' [2021-07-01 13:15:28,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 13:15:28,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 13:15:28,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 13:15:28,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 13:15:28,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 13:15:28,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 13:15:28,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 13:15:28,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 13:15:28,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 13:15:28,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/1) ... [2021-07-01 13:15:28,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 13:15:28,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 13:15:28,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 13:15:28,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 13:15:28,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (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 13:15:28,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 13:15:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 13:15:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 13:15:28,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 13:15:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 13:15:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 13:15:28,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 13:15:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 13:15:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 13:15:28,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 13:15:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 13:15:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 13:15:29,001 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 13:15:29,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 13:15:29,172 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 13:15:29,173 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 13:15:29,173 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 13:15:29,175 INFO L202 PluginConnector]: Adding new model bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:29 BoogieIcfgContainer [2021-07-01 13:15:29,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 13:15:29,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 13:15:29,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 13:15:29,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 13:15:29,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:15:28" (1/2) ... [2021-07-01 13:15:29,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ba6088 and model type bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:15:29, skipping insertion in model container [2021-07-01 13:15:29,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:29" (2/2) ... [2021-07-01 13:15:29,188 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct03.bpl [2021-07-01 13:15:29,191 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 13:15:29,192 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 13:15:29,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 13:15:29,192 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 13:15:29,213 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 13:15:29,229 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 13:15:29,313 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:15:29,313 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:15:29,313 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:15:29,313 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:15:29,313 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:15:29,313 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:15:29,313 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:15:29,314 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 13:15:29,764 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 13:15:29,765 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 13:15:29,778 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:15:29,778 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:15:29,778 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:15:29,778 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:15:29,778 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:15:29,778 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:15:29,778 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:15:29,778 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 13:15:29,883 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:29,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1206847327, now seen corresponding path program 1 times [2021-07-01 13:15:29,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:29,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486687677] [2021-07-01 13:15:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:15:29,976 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 13:15:29,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:15:29,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486687677] [2021-07-01 13:15:29,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486687677] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:15:29,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:15:29,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 13:15:29,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17693965] [2021-07-01 13:15:29,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:15:29,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:15:29,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:15:29,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:15:29,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:29,994 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:15:29,995 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 13:15:29,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 13:15:30,107 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:30,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:30,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1757154274, now seen corresponding path program 1 times [2021-07-01 13:15:30,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:30,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754745641] [2021-07-01 13:15:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:15:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 13:15:30,155 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:15:30,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754745641] [2021-07-01 13:15:30,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754745641] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:15:30,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:15:30,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 13:15:30,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248328647] [2021-07-01 13:15:30,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:15:30,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:15:30,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:15:30,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:15:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:30,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:15:30,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 13:15:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 13:15:30,269 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:30,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:30,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1163873910, now seen corresponding path program 1 times [2021-07-01 13:15:30,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:30,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131494141] [2021-07-01 13:15:30,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:15:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 13:15:30,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:15:30,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131494141] [2021-07-01 13:15:30,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131494141] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:15:30,390 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:15:30,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 13:15:30,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953768742] [2021-07-01 13:15:30,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 13:15:30,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:15:30,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 13:15:30,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 13:15:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:30,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:15:30,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 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 13:15:30,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:15:30,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 13:15:30,541 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:15:30,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:15:30,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1357503376, now seen corresponding path program 2 times [2021-07-01 13:15:30,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:15:30,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377907329] [2021-07-01 13:15:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:15:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:15:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-01 13:15:30,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:15:30,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377907329] [2021-07-01 13:15:30,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377907329] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:15:30,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872668352] [2021-07-01 13:15:30,641 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 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 13:15:30,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-01 13:15:30,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-01 13:15:30,685 WARN L261 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-01 13:15:30,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:15:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 13:15:30,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872668352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:15:30,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:15:30,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2021-07-01 13:15:30,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803272501] [2021-07-01 13:15:30,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-01 13:15:30,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:15:30,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-01 13:15:30,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-01 13:15:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:30,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:15:30,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 12 states have internal predecessors, (50), 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 13:15:30,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:30,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:15:30,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:15:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:15:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:15:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 13:15:31,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:15:31,383 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 13:15:31,383 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 13:15:31,385 INFO L202 PluginConnector]: Adding new model bluetooth-correct03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:15:31 BasicIcfg [2021-07-01 13:15:31,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 13:15:31,386 INFO L168 Benchmark]: Toolchain (without parser) took 2499.23 ms. Allocated memory was 185.6 MB in the beginning and 238.0 MB in the end (delta: 52.4 MB). Free memory was 165.1 MB in the beginning and 210.5 MB in the end (delta: -45.4 MB). Peak memory consumption was 107.2 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:31,386 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 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 13:15:31,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.71 ms. Allocated memory is still 185.6 MB. Free memory was 165.0 MB in the beginning and 163.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:31,386 INFO L168 Benchmark]: Boogie Preprocessor took 12.97 ms. Allocated memory is still 185.6 MB. Free memory was 163.3 MB in the beginning and 162.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:31,387 INFO L168 Benchmark]: RCFGBuilder took 244.35 ms. Allocated memory is still 185.6 MB. Free memory was 162.3 MB in the beginning and 147.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:31,387 INFO L168 Benchmark]: TraceAbstraction took 2201.78 ms. Allocated memory was 185.6 MB in the beginning and 238.0 MB in the end (delta: 52.4 MB). Free memory was 147.0 MB in the beginning and 210.5 MB in the end (delta: -63.5 MB). Peak memory consumption was 88.3 MB. Max. memory is 8.0 GB. [2021-07-01 13:15:31,387 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 0.10 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 27.71 ms. Allocated memory is still 185.6 MB. Free memory was 165.0 MB in the beginning and 163.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.97 ms. Allocated memory is still 185.6 MB. Free memory was 163.3 MB in the beginning and 162.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 244.35 ms. Allocated memory is still 185.6 MB. Free memory was 162.3 MB in the beginning and 147.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2201.78 ms. Allocated memory was 185.6 MB in the beginning and 238.0 MB in the end (delta: 52.4 MB). Free memory was 147.0 MB in the beginning and 210.5 MB in the end (delta: -63.5 MB). Peak memory consumption was 88.3 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: 1508, positive: 1172, positive conditional: 826, positive unconditional: 346, negative: 336, negative conditional: 304, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1312, positive: 1172, positive conditional: 826, positive unconditional: 346, negative: 140, negative conditional: 108, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1312, positive: 1172, positive conditional: 0, positive unconditional: 1172, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 331, positive: 307, positive conditional: 0, positive unconditional: 307, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 331, positive: 289, positive conditional: 0, positive unconditional: 289, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 182, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1312, positive: 865, positive conditional: 0, positive unconditional: 865, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 331, unknown conditional: 0, unknown unconditional: 331] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 ], Maximal queried relation: 0, Independence queries for same thread: 196 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 328, Number of persistent set computation: 902, Number of trivial persistent sets: 894, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1508, positive: 1172, positive conditional: 826, positive unconditional: 346, negative: 336, negative conditional: 304, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1312, positive: 1172, positive conditional: 826, positive unconditional: 346, negative: 140, negative conditional: 108, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1312, positive: 1172, positive conditional: 0, positive unconditional: 1172, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 331, positive: 307, positive conditional: 0, positive unconditional: 307, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 331, positive: 289, positive conditional: 0, positive unconditional: 289, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 182, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1312, positive: 865, positive conditional: 0, positive unconditional: 865, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 331, unknown conditional: 0, unknown unconditional: 331] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 ], Maximal queried relation: 0, Independence queries for same thread: 196 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5594, positive: 5106, positive conditional: 4723, positive unconditional: 383, negative: 488, negative conditional: 454, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5295, positive: 5106, positive conditional: 4723, positive unconditional: 383, negative: 189, negative conditional: 155, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5295, positive: 4606, positive conditional: 0, positive unconditional: 4606, negative: 689, negative conditional: 0, negative unconditional: 689, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 367, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 367, positive: 316, positive conditional: 0, positive unconditional: 316, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5295, positive: 4265, positive conditional: 0, positive unconditional: 4265, negative: 663, negative conditional: 0, negative unconditional: 663, unknown: 367, unknown conditional: 0, unknown unconditional: 367] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417 ], Maximal queried relation: 4, Independence queries for same thread: 299 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 300, Number of persistent set computation: 2498, Number of trivial persistent sets: 2403, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5594, positive: 5106, positive conditional: 4723, positive unconditional: 383, negative: 488, negative conditional: 454, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5295, positive: 5106, positive conditional: 4723, positive unconditional: 383, negative: 189, negative conditional: 155, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5295, positive: 4606, positive conditional: 0, positive unconditional: 4606, negative: 689, negative conditional: 0, negative unconditional: 689, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 367, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 367, positive: 316, positive conditional: 0, positive unconditional: 316, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5295, positive: 4265, positive conditional: 0, positive unconditional: 4265, negative: 663, negative conditional: 0, negative unconditional: 663, unknown: 367, unknown conditional: 0, unknown unconditional: 367] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417, SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 500, positive conditional: 500, positive unconditional: 0, negative: 566, negative conditional: 104, negative unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 57, positive conditional: 32, positive unconditional: 25, negative: 43, negative conditional: 17, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 109, positive conditional: 56, positive unconditional: 53, negative: 112, negative conditional: 34, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1066, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 549, negative conditional: 87, negative unconditional: 462, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 416, Positive cache size: 373, Positive conditional cache size: 32, Positive unconditional cache size: 341, Negative cache size: 43, Negative conditional cache size: 17, Negative unconditional cache size: 26, Eliminated conditions: 417 ], Maximal queried relation: 4, Independence queries for same thread: 299 - PositiveResult [Line: 36]: 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 507.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 428.1ms, 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1609.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 703.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 10.8ms SsaConstructionTime, 85.7ms SatisfiabilityAnalysisTime, 457.2ms InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 497 SizeOfPredicates, 1 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 44/54 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...