/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-correct08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 21:55:49,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 21:55:49,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 21:55:49,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 21:55:49,243 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 [2021-07-14 21:55:49,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 21:55:49,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 21:55:49,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 21:55:49,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 21:55:49,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 21:55:49,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 21:55:49,266 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 21:55:49,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 21:55:49,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 21:55:49,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 21:55:49,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 21:55:49,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 21:55:49,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 21:55:49,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 21:55:49,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 21:55:49,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 21:55:49,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 21:55:49,268 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 21:55:49,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 21:55:49,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 21:55:49,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 21:55:49,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 21:55:49,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 21:55:49,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:55:49,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 21:55:49,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 21:55:49,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 21:55:49,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 21:55:49,270 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 21:55:49,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 21:55:49,270 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 21:55:49,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 21:55:49,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 21:55:49,270 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 21:55:49,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 21:55:49,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 21:55:49,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 21:55:49,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 21:55:49,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 21:55:49,539 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 21:55:49,540 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 21:55:49,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl [2021-07-14 21:55:49,541 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl' [2021-07-14 21:55:49,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 21:55:49,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 21:55:49,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 21:55:49,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 21:55:49,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 21:55:49,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 21:55:49,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 21:55:49,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 21:55:49,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 21:55:49,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/1) ... [2021-07-14 21:55:49,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 21:55:49,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 21:55:49,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 21:55:49,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 21:55:49,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (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 [2021-07-14 21:55:49,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-14 21:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-14 21:55:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-14 21:55:49,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-14 21:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-14 21:55:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-14 21:55:49,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-14 21:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-14 21:55:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-14 21:55:49,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 21:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 21:55:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 21:55:49,654 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 21:55:49,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 21:55:49,925 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-14 21:55:49,926 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-14 21:55:49,926 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-14 21:55:49,927 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:55:49 BoogieIcfgContainer [2021-07-14 21:55:49,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 21:55:49,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 21:55:49,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 21:55:49,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 21:55:49,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:49" (1/2) ... [2021-07-14 21:55:49,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c8ed33 and model type bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:55:49, skipping insertion in model container [2021-07-14 21:55:49,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:55:49" (2/2) ... [2021-07-14 21:55:49,932 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct08.bpl [2021-07-14 21:55:49,936 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 21:55:49,936 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 21:55:49,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 21:55:49,936 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 21:55:49,969 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 21:55:49,993 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 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 [2021-07-14 21:55:50,041 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:55:50,041 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:55:50,041 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:55:50,041 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:55:50,041 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:55:50,041 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:55:50,041 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:55:50,041 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 21:56:00,903 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 21:56:00,904 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 [2021-07-14 21:56:00,913 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:56:00,913 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:56:00,913 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:56:00,913 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:56:00,913 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:56:00,913 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:56:00,913 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:56:00,913 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-14 21:56:01,098 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:56:01,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:56:01,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1929401278, now seen corresponding path program 1 times [2021-07-14 21:56:01,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:56:01,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568620129] [2021-07-14 21:56:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:56:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:56:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:56:01,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:56:01,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568620129] [2021-07-14 21:56:01,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568620129] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:56:01,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:56:01,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 21:56:01,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448255410] [2021-07-14 21:56:01,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:56:01,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:56:01,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:56:01,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:56:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:56:01,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:56:01,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-07-14 21:56:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:56:01,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:01,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 21:56:01,916 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:56:01,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:56:01,921 INFO L82 PathProgramCache]: Analyzing trace with hash -787129421, now seen corresponding path program 1 times [2021-07-14 21:56:01,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:56:01,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108935138] [2021-07-14 21:56:01,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:56:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:56:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 21:56:01,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:56:01,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108935138] [2021-07-14 21:56:01,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108935138] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:56:01,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:56:01,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:56:01,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039415022] [2021-07-14 21:56:01,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:56:01,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:56:01,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:56:01,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:56:01,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:56:01,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:56:01,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:56:01,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:01,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:56:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:02,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:02,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 21:56:02,104 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:56:02,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:56:02,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1280815537, now seen corresponding path program 1 times [2021-07-14 21:56:02,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:56:02,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270051974] [2021-07-14 21:56:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:56:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:56:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:56:02,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:56:02,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270051974] [2021-07-14 21:56:02,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270051974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:56:02,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356761315] [2021-07-14 21:56:02,231 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 [2021-07-14 21:56:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:56:02,485 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 21:56:02,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:56:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:56:02,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356761315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:56:02,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:56:02,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-07-14 21:56:02,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517342922] [2021-07-14 21:56:02,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 21:56:02,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:56:02,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 21:56:02,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-14 21:56:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:56:02,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:56:02,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 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) [2021-07-14 21:56:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:02,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:56:12,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:12,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:56:12,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:56:12,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:56:12,969 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-14 21:56:12,971 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 21:56:12,974 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 09:56:12 BasicIcfg [2021-07-14 21:56:12,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 21:56:12,975 INFO L168 Benchmark]: Toolchain (without parser) took 23418.26 ms. Allocated memory was 200.3 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 179.7 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-14 21:56:12,975 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 180.8 MB in the end (delta: 88.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:56:12,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 200.3 MB. Free memory was 179.6 MB in the beginning and 177.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 21:56:12,976 INFO L168 Benchmark]: Boogie Preprocessor took 9.61 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 177.0 MB in the end (delta: 949.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 21:56:12,976 INFO L168 Benchmark]: RCFGBuilder took 330.76 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 161.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 21:56:12,979 INFO L168 Benchmark]: TraceAbstraction took 23045.90 ms. Allocated memory was 200.3 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 161.0 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-14 21:56:12,982 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 0.09 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 180.8 MB in the end (delta: 88.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 200.3 MB. Free memory was 179.6 MB in the beginning and 177.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.61 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 177.0 MB in the end (delta: 949.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 330.76 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 161.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23045.90 ms. Allocated memory was 200.3 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 161.0 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8415532, positive: 6411961, positive conditional: 6408549, positive unconditional: 3412, negative: 2003571, negative conditional: 2003357, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7802649, positive: 6411961, positive conditional: 6408549, positive unconditional: 3412, negative: 1390688, negative conditional: 1390474, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7802649, positive: 6411961, positive conditional: 0, positive unconditional: 6411961, negative: 1390688, negative conditional: 0, negative unconditional: 1390688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2010, positive: 1871, positive conditional: 0, positive unconditional: 1871, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2010, positive: 1742, positive conditional: 0, positive unconditional: 1742, negative: 268, negative conditional: 0, negative unconditional: 268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 268, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 567, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 315, negative conditional: 0, negative unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7802649, positive: 6410090, positive conditional: 0, positive unconditional: 6410090, negative: 1390549, negative conditional: 0, negative unconditional: 1390549, unknown: 2010, unknown conditional: 0, unknown unconditional: 2010] , Statistics on independence cache: Total cache size (in pairs): 2010, Positive cache size: 1871, Positive conditional cache size: 0, Positive unconditional cache size: 1871, Negative cache size: 139, Negative conditional cache size: 0, Negative unconditional cache size: 139 ], Maximal queried relation: 0, Independence queries for same thread: 612883 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 2439, Number of persistent set computation: 21929, Number of trivial persistent sets: 21893, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8415532, positive: 6411961, positive conditional: 6408549, positive unconditional: 3412, negative: 2003571, negative conditional: 2003357, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7802649, positive: 6411961, positive conditional: 6408549, positive unconditional: 3412, negative: 1390688, negative conditional: 1390474, negative unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7802649, positive: 6411961, positive conditional: 0, positive unconditional: 6411961, negative: 1390688, negative conditional: 0, negative unconditional: 1390688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2010, positive: 1871, positive conditional: 0, positive unconditional: 1871, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2010, positive: 1742, positive conditional: 0, positive unconditional: 1742, negative: 268, negative conditional: 0, negative unconditional: 268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 268, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 567, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 315, negative conditional: 0, negative unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7802649, positive: 6410090, positive conditional: 0, positive unconditional: 6410090, negative: 1390549, negative conditional: 0, negative unconditional: 1390549, unknown: 2010, unknown conditional: 0, unknown unconditional: 2010] , Statistics on independence cache: Total cache size (in pairs): 2010, Positive cache size: 1871, Positive conditional cache size: 0, Positive unconditional cache size: 1871, Negative cache size: 139, Negative conditional cache size: 0, Negative unconditional cache size: 139 ], Maximal queried relation: 0, Independence queries for same thread: 612883 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1275804, positive: 1217601, positive conditional: 1213872, positive unconditional: 3729, negative: 58203, negative conditional: 57963, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1231710, positive: 1217601, positive conditional: 1213872, positive unconditional: 3729, negative: 14109, negative conditional: 13869, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1231710, positive: 1056905, positive conditional: 0, positive unconditional: 1056905, negative: 174805, negative conditional: 0, negative unconditional: 174805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2134, positive: 1988, positive conditional: 0, positive unconditional: 1988, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2134, positive: 1843, positive conditional: 0, positive unconditional: 1843, negative: 291, negative conditional: 0, negative unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 291, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1231710, positive: 1054917, positive conditional: 0, positive unconditional: 1054917, negative: 174659, negative conditional: 0, negative unconditional: 174659, unknown: 2134, unknown conditional: 0, unknown unconditional: 2134] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, SemanticConditionEliminator.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 297388, positive: 160425, positive conditional: 160425, positive unconditional: 0, negative: 136652, negative conditional: 13482, negative unconditional: 123170, unknown: 311, unknown conditional: 311, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, Eliminated conditions: 122936, SemanticConditionEliminator.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 297388, positive: 160425, positive conditional: 160425, positive unconditional: 0, negative: 136652, negative conditional: 13482, negative unconditional: 123170, unknown: 311, unknown conditional: 311, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, Eliminated conditions: 122936, SemanticConditionEliminator.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 297388, positive: 160425, positive conditional: 160425, positive unconditional: 0, negative: 136652, negative conditional: 13482, negative unconditional: 123170, unknown: 311, unknown conditional: 311, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, Eliminated conditions: 122936 ], Maximal queried relation: 3, Independence queries for same thread: 44094 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 3537, Number of persistent set computation: 41765, Number of trivial persistent sets: 41765, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1275804, positive: 1217601, positive conditional: 1213872, positive unconditional: 3729, negative: 58203, negative conditional: 57963, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1231710, positive: 1217601, positive conditional: 1213872, positive unconditional: 3729, negative: 14109, negative conditional: 13869, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1231710, positive: 1056905, positive conditional: 0, positive unconditional: 1056905, negative: 174805, negative conditional: 0, negative unconditional: 174805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2134, positive: 1988, positive conditional: 0, positive unconditional: 1988, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2134, positive: 1843, positive conditional: 0, positive unconditional: 1843, negative: 291, negative conditional: 0, negative unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 291, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1231710, positive: 1054917, positive conditional: 0, positive unconditional: 1054917, negative: 174659, negative conditional: 0, negative unconditional: 174659, unknown: 2134, unknown conditional: 0, unknown unconditional: 2134] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, SemanticConditionEliminator.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 297388, positive: 160425, positive conditional: 160425, positive unconditional: 0, negative: 136652, negative conditional: 13482, negative unconditional: 123170, unknown: 311, unknown conditional: 311, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, Eliminated conditions: 122936, SemanticConditionEliminator.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 297388, positive: 160425, positive conditional: 160425, positive unconditional: 0, negative: 136652, negative conditional: 13482, negative unconditional: 123170, unknown: 311, unknown conditional: 311, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, Eliminated conditions: 122936, SemanticConditionEliminator.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 297388, positive: 160696, positive conditional: 160696, positive unconditional: 0, negative: 136692, negative conditional: 13522, negative unconditional: 123170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 602, positive: 416, positive conditional: 271, positive unconditional: 145, negative: 186, negative conditional: 40, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 638, positive conditional: 418, positive unconditional: 220, negative: 189, negative conditional: 50, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 297388, positive: 160425, positive conditional: 160425, positive unconditional: 0, negative: 136652, negative conditional: 13482, negative unconditional: 123170, unknown: 311, unknown conditional: 311, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2445, Positive cache size: 2259, Positive conditional cache size: 271, Positive unconditional cache size: 1988, Negative cache size: 186, Negative conditional cache size: 40, Negative unconditional cache size: 146, Eliminated conditions: 122936 ], Maximal queried relation: 3, Independence queries for same thread: 44094 - PositiveResult [Line: 41]: 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10888.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.4ms, PartialOrderReductionTime: 10829.3ms, 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12060.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 11036.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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: 9.8ms SsaConstructionTime, 73.6ms SatisfiabilityAnalysisTime, 589.2ms InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 458 SizeOfPredicates, 1 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/28 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...