/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:27:08,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:27:08,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:27:08,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:27:08,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 11:27:08,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 11:27:08,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 11:27:08,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 11:27:08,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 11:27:08,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 11:27:08,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 11:27:08,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 11:27:08,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 11:27:08,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 11:27:08,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 11:27:08,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 11:27:08,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 11:27:08,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 11:27:08,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 11:27:08,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 11:27:08,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-07-01 11:27:08,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:27:08,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:27:08,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:27:08,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:27:08,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:27:08,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:27:08,214 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:27:08,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:27:08,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:27:08,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:27:08,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:27:08,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:27:08,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:27:08,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:27:08,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:27:08,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:27:08,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:27:08,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:27:08,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:27:08,218 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:27:08,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:27:08,218 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:27:08,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:27:08,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:27:08,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:27:08,546 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:27:08,547 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:27:08,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized05.bpl [2021-07-01 11:27:08,548 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized05.bpl' [2021-07-01 11:27:08,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:27:08,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:27:08,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:08,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:27:08,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:27:08,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:27:08,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:27:08,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:27:08,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:27:08,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... [2021-07-01 11:27:08,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:27:08,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:27:08,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:27:08,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:27:08,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:27:08,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:27:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:27:08,985 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:27:08,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:27:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:27:08,985 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:27:08,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:27:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:27:08,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:27:08,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:27:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:27:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:27:08,986 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:27:09,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:27:09,137 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:27:09,137 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:27:09,138 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:27:09,139 INFO L202 PluginConnector]: Adding new model bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:09 BoogieIcfgContainer [2021-07-01 11:27:09,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:27:09,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:27:09,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:27:09,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:27:09,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:27:08" (1/2) ... [2021-07-01 11:27:09,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8a6742 and model type bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:09, skipping insertion in model container [2021-07-01 11:27:09,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:09" (2/2) ... [2021-07-01 11:27:09,144 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized05.bpl [2021-07-01 11:27:09,149 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:27:09,149 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:27:09,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:27:09,150 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:27:09,176 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:27:09,193 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:27:09,266 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:27:09,267 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:27:09,267 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:27:09,267 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:27:09,267 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:27:09,267 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:27:09,267 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:27:09,267 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:27:10,274 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:27:10,276 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:27:10,289 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:27:10,289 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:27:10,289 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:27:10,289 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:27:10,289 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:27:10,289 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:27:10,289 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:27:10,289 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:27:10,293 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:10,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:10,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2126892496, now seen corresponding path program 1 times [2021-07-01 11:27:10,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:10,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983230467] [2021-07-01 11:27:10,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:27:10,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:10,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983230467] [2021-07-01 11:27:10,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983230467] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:10,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:10,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:27:10,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455349076] [2021-07-01 11:27:10,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:27:10,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:10,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:27:10,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:27:10,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:10,409 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:10,410 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:10,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:10,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:27:10,543 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:10,544 INFO L82 PathProgramCache]: Analyzing trace with hash -851249942, now seen corresponding path program 1 times [2021-07-01 11:27:10,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:10,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023809963] [2021-07-01 11:27:10,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:27:10,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:10,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023809963] [2021-07-01 11:27:10,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023809963] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:10,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:10,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:27:10,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413958671] [2021-07-01 11:27:10,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 11:27:10,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:10,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 11:27:10,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 11:27:10,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:10,564 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:10,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 11:27:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:10,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:11,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:11,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:27:11,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:27:11,714 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1280983856, now seen corresponding path program 1 times [2021-07-01 11:27:11,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:11,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570055566] [2021-07-01 11:27:11,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:27:11,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:11,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570055566] [2021-07-01 11:27:11,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570055566] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:27:11,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:27:11,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 11:27:11,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650811819] [2021-07-01 11:27:11,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:27:11,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:11,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:27:11,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:27:11,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:11,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:11,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 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 11:27:11,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:11,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:27:11,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:27:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:27:12,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:27:12,511 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:27:12,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:27:12,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1591467000, now seen corresponding path program 1 times [2021-07-01 11:27:12,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:27:12,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112304097] [2021-07-01 11:27:12,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:27:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:27:12,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:27:12,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112304097] [2021-07-01 11:27:12,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112304097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:12,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672933018] [2021-07-01 11:27:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:27:12,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-01 11:27:12,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:27:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:27:12,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672933018] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:27:12,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:27:12,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 11:27:12,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770772249] [2021-07-01 11:27:12,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:27:12,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:27:12,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:27:12,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:27:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:12,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:27:12,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:27:12,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:12,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:27:12,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:27:12,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:27:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:27:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:27:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:27:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:27:13,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:27:13,799 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:27:13,799 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:27:13,802 INFO L202 PluginConnector]: Adding new model bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:13 BasicIcfg [2021-07-01 11:27:13,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:27:13,803 INFO L168 Benchmark]: Toolchain (without parser) took 5225.90 ms. Allocated memory was 157.3 MB in the beginning and 508.6 MB in the end (delta: 351.3 MB). Free memory was 136.7 MB in the beginning and 390.4 MB in the end (delta: -253.7 MB). Peak memory consumption was 322.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:27:13,803 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 157.3 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:27:13,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.43 ms. Allocated memory is still 157.3 MB. Free memory was 136.7 MB in the beginning and 134.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:27:13,803 INFO L168 Benchmark]: Boogie Preprocessor took 10.75 ms. Allocated memory is still 157.3 MB. Free memory was 134.9 MB in the beginning and 133.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:27:13,803 INFO L168 Benchmark]: RCFGBuilder took 313.38 ms. Allocated memory is still 157.3 MB. Free memory was 133.9 MB in the beginning and 119.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:27:13,803 INFO L168 Benchmark]: TraceAbstraction took 4661.96 ms. Allocated memory was 157.3 MB in the beginning and 508.6 MB in the end (delta: 351.3 MB). Free memory was 119.2 MB in the beginning and 390.4 MB in the end (delta: -271.2 MB). Peak memory consumption was 304.2 MB. Max. memory is 8.0 GB. [2021-07-01 11:27:13,804 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 0.14 ms. Allocated memory is still 157.3 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.43 ms. Allocated memory is still 157.3 MB. Free memory was 136.7 MB in the beginning and 134.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.75 ms. Allocated memory is still 157.3 MB. Free memory was 134.9 MB in the beginning and 133.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 313.38 ms. Allocated memory is still 157.3 MB. Free memory was 133.9 MB in the beginning and 119.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4661.96 ms. Allocated memory was 157.3 MB in the beginning and 508.6 MB in the end (delta: 351.3 MB). Free memory was 119.2 MB in the beginning and 390.4 MB in the end (delta: -271.2 MB). Peak memory consumption was 304.2 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: 127191, positive: 104462, positive conditional: 104462, positive unconditional: 0, negative: 22729, negative conditional: 22729, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 113402, positive: 104462, positive conditional: 104462, positive unconditional: 0, negative: 8940, negative conditional: 8940, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 113402, positive: 104462, positive conditional: 0, positive unconditional: 104462, negative: 8940, negative conditional: 0, negative unconditional: 8940, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 356, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 356, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 293, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 113402, positive: 104140, positive conditional: 0, positive unconditional: 104140, negative: 8906, negative conditional: 0, negative unconditional: 8906, unknown: 356, unknown conditional: 0, unknown unconditional: 356] , Statistics on independence cache: Total cache size (in pairs): 356, Positive cache size: 322, Positive conditional cache size: 0, Positive unconditional cache size: 322, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 ], Maximal queried relation: 0, Independence queries for same thread: 13789 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 493150, positive: 456218, positive conditional: 456218, positive unconditional: 0, negative: 36932, negative conditional: 36932, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 466151, positive: 456218, positive conditional: 456218, positive unconditional: 0, negative: 9933, negative conditional: 9933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 466151, positive: 430809, positive conditional: 0, positive unconditional: 430809, negative: 35342, negative conditional: 0, negative unconditional: 35342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 455, positive: 421, positive conditional: 0, positive unconditional: 421, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 455, positive: 331, positive conditional: 0, positive unconditional: 331, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 294, positive: 171, positive conditional: 81, positive unconditional: 90, negative: 123, negative conditional: 89, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 503, positive: 276, positive conditional: 149, positive unconditional: 127, negative: 227, negative conditional: 124, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 466151, positive: 430388, positive conditional: 0, positive unconditional: 430388, negative: 35308, negative conditional: 0, negative unconditional: 35308, unknown: 455, unknown conditional: 0, unknown unconditional: 455] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 502, Positive conditional cache size: 81, Positive unconditional cache size: 421, Negative cache size: 123, Negative conditional cache size: 89, Negative unconditional cache size: 34, SemanticConditionEliminator.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 294, positive: 171, positive conditional: 81, positive unconditional: 90, negative: 123, negative conditional: 89, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 503, positive: 276, positive conditional: 149, positive unconditional: 127, negative: 227, negative conditional: 124, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71643, positive: 25328, positive conditional: 25328, positive unconditional: 0, negative: 46145, negative conditional: 18678, negative unconditional: 27467, unknown: 170, unknown conditional: 170, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 502, Positive conditional cache size: 81, Positive unconditional cache size: 421, Negative cache size: 123, Negative conditional cache size: 89, Negative unconditional cache size: 34, Eliminated conditions: 27467, SemanticConditionEliminator.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 294, positive: 171, positive conditional: 81, positive unconditional: 90, negative: 123, negative conditional: 89, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 503, positive: 276, positive conditional: 149, positive unconditional: 127, negative: 227, negative conditional: 124, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71643, positive: 25328, positive conditional: 25328, positive unconditional: 0, negative: 46145, negative conditional: 18678, negative unconditional: 27467, unknown: 170, unknown conditional: 170, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 502, Positive conditional cache size: 81, Positive unconditional cache size: 421, Negative cache size: 123, Negative conditional cache size: 89, Negative unconditional cache size: 34, Eliminated conditions: 27467, SemanticConditionEliminator.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 294, positive: 171, positive conditional: 81, positive unconditional: 90, negative: 123, negative conditional: 89, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 503, positive: 276, positive conditional: 149, positive unconditional: 127, negative: 227, negative conditional: 124, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71643, positive: 25328, positive conditional: 25328, positive unconditional: 0, negative: 46145, negative conditional: 18678, negative unconditional: 27467, unknown: 170, unknown conditional: 170, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 502, Positive conditional cache size: 81, Positive unconditional cache size: 421, Negative cache size: 123, Negative conditional cache size: 89, Negative unconditional cache size: 34, Eliminated conditions: 27467, SemanticConditionEliminator.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71643, positive: 25409, positive conditional: 25409, positive unconditional: 0, negative: 46234, negative conditional: 18767, negative unconditional: 27467, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 294, positive: 171, positive conditional: 81, positive unconditional: 90, negative: 123, negative conditional: 89, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 503, positive: 276, positive conditional: 149, positive unconditional: 127, negative: 227, negative conditional: 124, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71643, positive: 25328, positive conditional: 25328, positive unconditional: 0, negative: 46145, negative conditional: 18678, negative unconditional: 27467, unknown: 170, unknown conditional: 170, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 502, Positive conditional cache size: 81, Positive unconditional cache size: 421, Negative cache size: 123, Negative conditional cache size: 89, Negative unconditional cache size: 34, Eliminated conditions: 27467 ], Maximal queried relation: 4, Independence queries for same thread: 26999 - PositiveResult [Line: 38]: 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1070.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.5ms, PartialOrderReductionTime: 983.2ms, 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3515.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 2842.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.6ms SsaConstructionTime, 52.2ms SatisfiabilityAnalysisTime, 280.4ms InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 258 SizeOfPredicates, 0 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2/4 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...