/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-correct04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 21:55:36,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 21:55:36,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 21:55:36,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 21:55:36,424 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 21:55:36,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 21:55:36,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 21:55:36,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 21:55:36,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 21:55:36,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 21:55:36,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 21:55:36,464 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 21:55:36,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 21:55:36,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 21:55:36,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 21:55:36,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 21:55:36,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 21:55:36,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 21:55:36,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 21:55:36,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 21:55:36,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 21:55:36,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 21:55:36,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 21:55:36,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 21:55:36,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 21:55:36,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 21:55:36,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 21:55:36,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 21:55:36,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:55:36,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 21:55:36,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 21:55:36,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 21:55:36,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 21:55:36,468 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 21:55:36,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 21:55:36,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 21:55:36,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 21:55:36,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 21:55:36,469 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 21:55:36,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 21:55:36,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 21:55:36,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 21:55:36,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 21:55:36,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 21:55:36,773 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 21:55:36,774 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 21:55:36,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl [2021-07-14 21:55:36,775 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl' [2021-07-14 21:55:36,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 21:55:36,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 21:55:36,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 21:55:36,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 21:55:36,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 21:55:36,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 21:55:36,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 21:55:36,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 21:55:36,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 21:55:36,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/1) ... [2021-07-14 21:55:36,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 21:55:36,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 21:55:36,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 21:55:36,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 21:55:36,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (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 21:55:36,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-14 21:55:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-14 21:55:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-14 21:55:36,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-14 21:55:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-14 21:55:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-14 21:55:36,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-14 21:55:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-14 21:55:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-14 21:55:36,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 21:55:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 21:55:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 21:55:36,912 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 21:55:37,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 21:55:37,107 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-14 21:55:37,108 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-14 21:55:37,108 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-14 21:55:37,110 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:55:37 BoogieIcfgContainer [2021-07-14 21:55:37,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 21:55:37,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 21:55:37,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 21:55:37,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 21:55:37,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:55:36" (1/2) ... [2021-07-14 21:55:37,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e99cf46 and model type bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:55:37, skipping insertion in model container [2021-07-14 21:55:37,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:55:37" (2/2) ... [2021-07-14 21:55:37,117 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct04.bpl [2021-07-14 21:55:37,122 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 21:55:37,122 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 21:55:37,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 21:55:37,123 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 21:55:37,152 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 21:55:37,172 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 21:55:37,218 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:55:37,219 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:55:37,219 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:55:37,219 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:55:37,219 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:55:37,219 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:55:37,219 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:55:37,219 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 21:55:37,773 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 21:55:37,774 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 21:55:37,781 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:55:37,781 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:55:37,781 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:55:37,781 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:55:37,781 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:55:37,781 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:55:37,781 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:55:37,781 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-14 21:55:37,892 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:55:37,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:55:37,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1167775337, now seen corresponding path program 1 times [2021-07-14 21:55:37,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:55:37,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628578494] [2021-07-14 21:55:37,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:55:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:55:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:55:37,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:55:38,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628578494] [2021-07-14 21:55:38,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628578494] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:55:38,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:55:38,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:55:38,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466718186] [2021-07-14 21:55:38,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:55:38,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:55:38,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:55:38,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:55:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:55:38,020 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:55:38,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:55:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:55:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:55:38,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 21:55:38,179 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:55:38,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:55:38,182 INFO L82 PathProgramCache]: Analyzing trace with hash -393665151, now seen corresponding path program 1 times [2021-07-14 21:55:38,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:55:38,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783020619] [2021-07-14 21:55:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:55:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:55:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:55:38,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:55:38,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783020619] [2021-07-14 21:55:38,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783020619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:55:38,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218857892] [2021-07-14 21:55:38,356 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 21:55:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:55:38,402 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 21:55:38,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:55:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:55:38,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218857892] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:55:38,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:55:38,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 21:55:38,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35363255] [2021-07-14 21:55:38,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 21:55:38,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:55:38,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 21:55:38,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-07-14 21:55:38,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:55:38,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:55:38,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:55:38,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:55:38,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:55:38,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:55:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:55:39,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:55:39,037 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:55:39,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:55:39,037 INFO L82 PathProgramCache]: Analyzing trace with hash -630136675, now seen corresponding path program 1 times [2021-07-14 21:55:39,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:55:39,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115428902] [2021-07-14 21:55:39,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:55:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:55:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 21:55:39,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:55:39,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115428902] [2021-07-14 21:55:39,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115428902] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:55:39,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:55:39,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 21:55:39,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506307798] [2021-07-14 21:55:39,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:55:39,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:55:39,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:55:39,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:55:39,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:55:39,078 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:55:39,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 21:55:39,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:55:39,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:55:39,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:55:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:55:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 21:55:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:55:39,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 21:55:39,436 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-14 21:55:39,436 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 21:55:39,438 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 09:55:39 BasicIcfg [2021-07-14 21:55:39,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 21:55:39,439 INFO L168 Benchmark]: Toolchain (without parser) took 2642.90 ms. Allocated memory was 208.7 MB in the beginning and 273.7 MB in the end (delta: 65.0 MB). Free memory was 188.4 MB in the beginning and 239.9 MB in the end (delta: -51.4 MB). Peak memory consumption was 93.8 MB. Max. memory is 8.0 GB. [2021-07-14 21:55:39,440 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 208.7 MB. Free memory is still 189.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:55:39,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.42 ms. Allocated memory is still 208.7 MB. Free memory was 188.3 MB in the beginning and 186.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 21:55:39,440 INFO L168 Benchmark]: Boogie Preprocessor took 18.10 ms. Allocated memory is still 208.7 MB. Free memory was 186.6 MB in the beginning and 185.6 MB in the end (delta: 932.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 21:55:39,440 INFO L168 Benchmark]: RCFGBuilder took 259.87 ms. Allocated memory is still 208.7 MB. Free memory was 185.5 MB in the beginning and 170.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 21:55:39,441 INFO L168 Benchmark]: TraceAbstraction took 2327.05 ms. Allocated memory was 208.7 MB in the beginning and 273.7 MB in the end (delta: 65.0 MB). Free memory was 170.0 MB in the beginning and 239.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 8.0 GB. [2021-07-14 21:55:39,441 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 0.11 ms. Allocated memory is still 208.7 MB. Free memory is still 189.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.42 ms. Allocated memory is still 208.7 MB. Free memory was 188.3 MB in the beginning and 186.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.10 ms. Allocated memory is still 208.7 MB. Free memory was 186.6 MB in the beginning and 185.6 MB in the end (delta: 932.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 259.87 ms. Allocated memory is still 208.7 MB. Free memory was 185.5 MB in the beginning and 170.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2327.05 ms. Allocated memory was 208.7 MB in the beginning and 273.7 MB in the end (delta: 65.0 MB). Free memory was 170.0 MB in the beginning and 239.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 74.9 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: 4811, positive: 3875, positive conditional: 2906, positive unconditional: 969, negative: 936, negative conditional: 871, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4354, positive: 3875, positive conditional: 2906, positive unconditional: 969, negative: 479, negative conditional: 414, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4354, positive: 3875, positive conditional: 0, positive unconditional: 3875, negative: 479, negative conditional: 0, negative unconditional: 479, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 636, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 636, positive: 564, positive conditional: 0, positive unconditional: 564, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 343, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 212, negative conditional: 0, negative unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4354, positive: 3278, positive conditional: 0, positive unconditional: 3278, negative: 440, negative conditional: 0, negative unconditional: 440, unknown: 636, unknown conditional: 0, unknown unconditional: 636] , Statistics on independence cache: Total cache size (in pairs): 636, Positive cache size: 597, Positive conditional cache size: 0, Positive unconditional cache size: 597, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39 ], Maximal queried relation: 0, Independence queries for same thread: 457 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 434, Number of persistent set computation: 223, Number of trivial persistent sets: 99, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4811, positive: 3875, positive conditional: 2906, positive unconditional: 969, negative: 936, negative conditional: 871, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4354, positive: 3875, positive conditional: 2906, positive unconditional: 969, negative: 479, negative conditional: 414, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4354, positive: 3875, positive conditional: 0, positive unconditional: 3875, negative: 479, negative conditional: 0, negative unconditional: 479, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 636, positive: 597, positive conditional: 0, positive unconditional: 597, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 636, positive: 564, positive conditional: 0, positive unconditional: 564, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 343, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 212, negative conditional: 0, negative unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4354, positive: 3278, positive conditional: 0, positive unconditional: 3278, negative: 440, negative conditional: 0, negative unconditional: 440, unknown: 636, unknown conditional: 0, unknown unconditional: 636] , Statistics on independence cache: Total cache size (in pairs): 636, Positive cache size: 597, Positive conditional cache size: 0, Positive unconditional cache size: 597, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39 ], Maximal queried relation: 0, Independence queries for same thread: 457 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11013, positive: 10368, positive conditional: 9395, positive unconditional: 973, negative: 645, negative conditional: 568, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10545, positive: 10368, positive conditional: 9395, positive unconditional: 973, negative: 177, negative conditional: 100, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10545, positive: 9324, positive conditional: 0, positive unconditional: 9324, negative: 1221, negative conditional: 0, negative unconditional: 1221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, positive: 569, positive conditional: 0, positive unconditional: 569, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10545, positive: 8713, positive conditional: 0, positive unconditional: 8713, negative: 1179, negative conditional: 0, negative unconditional: 1179, unknown: 653, unknown conditional: 0, unknown unconditional: 653] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2538, positive: 970, positive conditional: 970, positive unconditional: 0, negative: 1475, negative conditional: 168, negative unconditional: 1307, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, Eliminated conditions: 1216, SemanticConditionEliminator.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2538, positive: 970, positive conditional: 970, positive unconditional: 0, negative: 1475, negative conditional: 168, negative unconditional: 1307, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, Eliminated conditions: 1216, SemanticConditionEliminator.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2538, positive: 970, positive conditional: 970, positive unconditional: 0, negative: 1475, negative conditional: 168, negative unconditional: 1307, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, Eliminated conditions: 1216 ], Maximal queried relation: 3, Independence queries for same thread: 468 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 315, Number of persistent set computation: 597, Number of trivial persistent sets: 450, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11013, positive: 10368, positive conditional: 9395, positive unconditional: 973, negative: 645, negative conditional: 568, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10545, positive: 10368, positive conditional: 9395, positive unconditional: 973, negative: 177, negative conditional: 100, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10545, positive: 9324, positive conditional: 0, positive unconditional: 9324, negative: 1221, negative conditional: 0, negative unconditional: 1221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, positive: 569, positive conditional: 0, positive unconditional: 569, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10545, positive: 8713, positive conditional: 0, positive unconditional: 8713, negative: 1179, negative conditional: 0, negative unconditional: 1179, unknown: 653, unknown conditional: 0, unknown unconditional: 653] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2538, positive: 970, positive conditional: 970, positive unconditional: 0, negative: 1475, negative conditional: 168, negative unconditional: 1307, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, Eliminated conditions: 1216, SemanticConditionEliminator.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2538, positive: 970, positive conditional: 970, positive unconditional: 0, negative: 1475, negative conditional: 168, negative unconditional: 1307, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, Eliminated conditions: 1216, SemanticConditionEliminator.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2538, positive: 1044, positive conditional: 1044, positive unconditional: 0, negative: 1494, negative conditional: 187, negative unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 177, positive: 116, positive conditional: 74, positive unconditional: 42, negative: 61, negative conditional: 19, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 205, positive conditional: 89, positive unconditional: 116, negative: 140, negative conditional: 22, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2538, positive: 970, positive conditional: 970, positive unconditional: 0, negative: 1475, negative conditional: 168, negative unconditional: 1307, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 685, Positive conditional cache size: 74, Positive unconditional cache size: 611, Negative cache size: 61, Negative conditional cache size: 19, Negative unconditional cache size: 42, Eliminated conditions: 1216 ], Maximal queried relation: 3, Independence queries for same thread: 468 - PositiveResult [Line: 37]: 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 586.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 534.4ms, 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1659.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 843.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 10.9ms SsaConstructionTime, 63.8ms SatisfiabilityAnalysisTime, 380.0ms InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 1 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 24/28 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...