/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 13:30:13,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 13:30:13,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 13:30:13,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 13:30:13,705 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-Random521.epf [2021-07-01 13:30:13,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 13:30:13,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 13:30:13,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 13:30:13,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 13:30:13,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 13:30:13,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 13:30:13,757 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 13:30:13,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 13:30:13,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 13:30:13,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 13:30:13,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 13:30:13,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 13:30:13,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 13:30:13,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 13:30:13,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 13:30:13,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 13:30:13,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 13:30:13,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 13:30:13,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 13:30:13,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 13:30:13,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 13:30:13,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 13:30:13,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 13:30:13,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:30:13,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 13:30:13,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 13:30:13,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 13:30:13,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 13:30:13,760 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 13:30:13,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 13:30:13,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 13:30:13,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 13:30:13,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 13:30:13,761 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-01 13:30:13,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 13:30:13,761 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 13:30:14,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 13:30:14,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 13:30:14,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 13:30:14,121 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 13:30:14,122 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 13:30:14,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl [2021-07-01 13:30:14,123 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl' [2021-07-01 13:30:14,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 13:30:14,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 13:30:14,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 13:30:14,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 13:30:14,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 13:30:14,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 13:30:14,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 13:30:14,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 13:30:14,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 13:30:14,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... [2021-07-01 13:30:14,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 13:30:14,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 13:30:14,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 13:30:14,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 13:30:14,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 13:30:14,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 13:30:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 13:30:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 13:30:14,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 13:30:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 13:30:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 13:30:14,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 13:30:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 13:30:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 13:30:14,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 13:30:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 13:30:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 13:30:14,262 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 13:30:14,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 13:30:14,505 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 13:30:14,506 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 13:30:14,506 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 13:30:14,508 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:30:14 BoogieIcfgContainer [2021-07-01 13:30:14,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 13:30:14,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 13:30:14,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 13:30:14,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 13:30:14,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 01:30:14" (1/2) ... [2021-07-01 13:30:14,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571af6ae and model type bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:30:14, skipping insertion in model container [2021-07-01 13:30:14,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:30:14" (2/2) ... [2021-07-01 13:30:14,514 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct02.bpl [2021-07-01 13:30:14,519 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 13:30:14,519 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 13:30:14,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 13:30:14,520 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 13:30:14,559 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 13:30:14,576 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:30:14,623 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:30:14,623 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:30:14,623 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:30:14,623 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:30:14,623 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:30:14,623 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:30:14,623 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:30:14,624 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 13:30:14,877 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 13:30:14,878 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 13:30:14,885 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 13:30:14,885 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 13:30:14,886 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 13:30:14,886 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 13:30:14,886 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 13:30:14,886 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 13:30:14,886 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 13:30:14,886 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 13:30:14,955 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:14,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:14,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1448005722, now seen corresponding path program 1 times [2021-07-01 13:30:14,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:14,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345919755] [2021-07-01 13:30:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:30:15,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:15,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345919755] [2021-07-01 13:30:15,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345919755] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:30:15,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:30:15,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 13:30:15,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616569369] [2021-07-01 13:30:15,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:30:15,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:15,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:30:15,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:30:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:15,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:15,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:15,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 13:30:15,228 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:15,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:15,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1202272459, now seen corresponding path program 1 times [2021-07-01 13:30:15,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:15,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997597841] [2021-07-01 13:30:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 13:30:15,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:15,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997597841] [2021-07-01 13:30:15,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997597841] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:30:15,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:30:15,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 13:30:15,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725037984] [2021-07-01 13:30:15,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 13:30:15,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:15,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 13:30:15,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 13:30:15,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:15,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:15,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:15,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:15,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 13:30:15,369 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:15,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:15,370 INFO L82 PathProgramCache]: Analyzing trace with hash -753861447, now seen corresponding path program 1 times [2021-07-01 13:30:15,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:15,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951153460] [2021-07-01 13:30:15,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 13:30:15,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:15,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951153460] [2021-07-01 13:30:15,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951153460] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 13:30:15,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 13:30:15,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 13:30:15,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621349803] [2021-07-01 13:30:15,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 13:30:15,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:15,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 13:30:15,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 13:30:15,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:15,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:15,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:15,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:15,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:30:15,678 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 13:30:15,678 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 13:30:15,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 13:30:15,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2002549062, now seen corresponding path program 1 times [2021-07-01 13:30:15,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 13:30:15,680 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816251711] [2021-07-01 13:30:15,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 13:30:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 13:30:15,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 13:30:15,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816251711] [2021-07-01 13:30:15,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816251711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:30:15,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734602609] [2021-07-01 13:30:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:30:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 13:30:15,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-01 13:30:15,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 13:30:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 13:30:16,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734602609] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 13:30:16,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 13:30:16,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-07-01 13:30:16,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120508142] [2021-07-01 13:30:16,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 13:30:16,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 13:30:16,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 13:30:16,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-07-01 13:30:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:16,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 13:30:16,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 13:30:16,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:16,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:16,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:30:16,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 13:30:16,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:16,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 13:30:16,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 13:30:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 13:30:16,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 13:30:16,376 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 13:30:16,376 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 13:30:16,378 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:30:16 BasicIcfg [2021-07-01 13:30:16,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 13:30:16,379 INFO L168 Benchmark]: Toolchain (without parser) took 2226.66 ms. Allocated memory is still 194.0 MB. Free memory was 174.1 MB in the beginning and 108.1 MB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:16,379 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 194.0 MB. Free memory is still 175.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 13:30:16,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.76 ms. Allocated memory is still 194.0 MB. Free memory was 174.0 MB in the beginning and 172.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:16,380 INFO L168 Benchmark]: Boogie Preprocessor took 13.14 ms. Allocated memory is still 194.0 MB. Free memory was 172.2 MB in the beginning and 171.3 MB in the end (delta: 930.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:16,380 INFO L168 Benchmark]: RCFGBuilder took 310.71 ms. Allocated memory is still 194.0 MB. Free memory was 171.2 MB in the beginning and 156.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:16,380 INFO L168 Benchmark]: TraceAbstraction took 1869.19 ms. Allocated memory is still 194.0 MB. Free memory was 155.7 MB in the beginning and 108.1 MB in the end (delta: 47.6 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2021-07-01 13:30:16,381 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 194.0 MB. Free memory is still 175.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.76 ms. Allocated memory is still 194.0 MB. Free memory was 174.0 MB in the beginning and 172.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.14 ms. Allocated memory is still 194.0 MB. Free memory was 172.2 MB in the beginning and 171.3 MB in the end (delta: 930.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 310.71 ms. Allocated memory is still 194.0 MB. Free memory was 171.2 MB in the beginning and 156.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1869.19 ms. Allocated memory is still 194.0 MB. Free memory was 155.7 MB in the beginning and 108.1 MB in the end (delta: 47.6 MB). Peak memory consumption was 48.2 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: 255, positive: 223, positive conditional: 32, positive unconditional: 191, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 245, positive: 223, positive conditional: 32, positive unconditional: 191, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, positive: 155, positive conditional: 0, positive unconditional: 155, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 245, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 163, Positive conditional cache size: 0, Positive unconditional cache size: 163, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 202, Number of persistent set computation: 94, Number of trivial persistent sets: 90, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 255, positive: 223, positive conditional: 32, positive unconditional: 191, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 245, positive: 223, positive conditional: 32, positive unconditional: 191, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, positive: 155, positive conditional: 0, positive unconditional: 155, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 245, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 163, Positive conditional cache size: 0, Positive unconditional cache size: 163, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1329, positive: 1212, positive conditional: 995, positive unconditional: 217, negative: 117, negative conditional: 98, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1257, positive: 1212, positive conditional: 995, positive unconditional: 217, negative: 45, negative conditional: 26, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1257, positive: 1138, positive conditional: 0, positive unconditional: 1138, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 214, positive: 200, positive conditional: 0, positive unconditional: 200, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 214, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1257, positive: 938, positive conditional: 0, positive unconditional: 938, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 214, unknown conditional: 0, unknown unconditional: 214] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134 ], Maximal queried relation: 4, Independence queries for same thread: 72 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 246, Number of persistent set computation: 794, Number of trivial persistent sets: 754, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1329, positive: 1212, positive conditional: 995, positive unconditional: 217, negative: 117, negative conditional: 98, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1257, positive: 1212, positive conditional: 995, positive unconditional: 217, negative: 45, negative conditional: 26, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1257, positive: 1138, positive conditional: 0, positive unconditional: 1138, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 214, positive: 200, positive conditional: 0, positive unconditional: 200, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 214, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1257, positive: 938, positive conditional: 0, positive unconditional: 938, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 214, unknown conditional: 0, unknown unconditional: 214] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134, SemanticConditionEliminator.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 185, negative conditional: 30, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 23, positive conditional: 10, positive unconditional: 13, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 112, positive conditional: 68, positive unconditional: 44, negative: 102, negative conditional: 20, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 259, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 174, negative conditional: 19, negative unconditional: 155, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 210, Positive conditional cache size: 10, Positive unconditional cache size: 200, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 134 ], Maximal queried relation: 4, Independence queries for same thread: 72 - PositiveResult [Line: 35]: 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 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 287.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 237.6ms, 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 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1494.9ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 582.1ms, 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: 13.5ms SsaConstructionTime, 81.9ms SatisfiabilityAnalysisTime, 438.9ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 1 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 21/29 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...