/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:00:38,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:00:38,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:00:38,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 11:00:38,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 11:00:38,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 11:00:38,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 11:00:38,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 11:00:38,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 11:00:38,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 11:00:38,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 11:00:38,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 11:00:38,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 11:00:38,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 11:00:38,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 11:00:38,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 11:00:38,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 11:00:38,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 11:00:38,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 11:00:38,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 11:00:38,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 11:00:38,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 11:00:38,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 11:00:38,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 11:00:38,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-01 11:00:38,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-01 11:00:38,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-01 11:00:38,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-01 11:00:38,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-01 11:00:38,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-01 11:00:38,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-01 11:00:38,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-01 11:00:38,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-01 11:00:38,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-01 11:00:38,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-01 11:00:38,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-01 11:00:38,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-01 11:00:38,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-01 11:00:38,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 11:00:38,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 11:00:38,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 11:00:38,362 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-Symm.epf [2021-07-01 11:00:38,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:00:38,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:00:38,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:00:38,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:00:38,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:00:38,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:00:38,400 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:00:38,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:00:38,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:00:38,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:00:38,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:00:38,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:00:38,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:00:38,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:00:38,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:00:38,402 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:00:38,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:00:38,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:00:38,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:00:38,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:00:38,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:00:38,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:00:38,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:00:38,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:00:38,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:00:38,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:00:38,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:00:38,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:00:38,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:00:38,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:00:38,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:00:38,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:00:38,404 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:00:38,404 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-07-01 11:00:38,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:00:38,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:00:38,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:00:38,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:00:38,733 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:00:38,735 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:00:38,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl [2021-07-01 11:00:38,736 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl' [2021-07-01 11:00:38,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:00:38,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:00:38,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:00:38,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:00:38,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:00:38,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:00:38,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:00:38,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:00:38,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:00:38,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/1) ... [2021-07-01 11:00:38,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:00:38,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:00:38,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:00:38,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:00:38,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (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 11:00:38,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:00:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:00:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:00:38,907 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:00:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:00:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:00:38,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:00:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:00:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:00:38,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:00:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:00:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:00:38,909 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 11:00:39,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:00:39,137 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:00:39,138 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:00:39,138 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:00:39,140 INFO L202 PluginConnector]: Adding new model bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:00:39 BoogieIcfgContainer [2021-07-01 11:00:39,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:00:39,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:00:39,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:00:39,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:00:39,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/2) ... [2021-07-01 11:00:39,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca31a43 and model type bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:00:39, skipping insertion in model container [2021-07-01 11:00:39,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:00:39" (2/2) ... [2021-07-01 11:00:39,147 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct09.bpl [2021-07-01 11:00:39,152 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:00:39,152 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:00:39,152 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:00:39,153 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:00:39,196 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:00:39,217 INFO L255 AbstractCegarLoop]: Starting to check reachability of 10 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 11:00:39,276 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:00:39,276 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:00:39,276 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:00:39,276 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:00:39,277 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:00:39,277 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:00:39,277 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:00:39,277 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:03:30,198 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:03:30,199 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) [2021-07-01 11:03:30,217 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:03:30,217 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:03:30,217 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:03:30,217 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:03:30,217 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:03:30,217 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:03:30,217 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:03:30,218 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:03:30,223 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:03:30,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:03:30,227 INFO L82 PathProgramCache]: Analyzing trace with hash -990141782, now seen corresponding path program 1 times Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:03:30,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:03:30,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832418511] [2021-07-01 11:03:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:03:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:03:30,350 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 11:03:30,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:03:30,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832418511] [2021-07-01 11:03:30,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832418511] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:03:30,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:03:30,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:03:30,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141732545] [2021-07-01 11:03:30,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:03:30,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:03:30,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:03:30,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:03:30,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:03:30,374 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:03:30,374 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 11:03:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:03:31,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:03:31,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:03:31,018 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:03:31,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:03:31,019 INFO L82 PathProgramCache]: Analyzing trace with hash 932714056, now seen corresponding path program 1 times [2021-07-01 11:03:31,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:03:31,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366038877] [2021-07-01 11:03:31,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:03:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:03:31,044 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 11:03:31,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:03:31,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366038877] [2021-07-01 11:03:31,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366038877] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:03:31,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:03:31,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:03:31,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921360048] [2021-07-01 11:03:31,047 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:03:31,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:03:31,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:03:31,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:03:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:03:31,048 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:03:31,048 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 11:03:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:03:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:03:31,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:03:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:03:31,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:03:31,397 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:03:31,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:03:31,398 INFO L82 PathProgramCache]: Analyzing trace with hash 485250834, now seen corresponding path program 1 times [2021-07-01 11:03:31,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:03:31,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150029000] [2021-07-01 11:03:31,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:03:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:03:31,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-01 11:03:31,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:03:31,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150029000] [2021-07-01 11:03:31,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150029000] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:03:31,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:03:31,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 11:03:31,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540300005] [2021-07-01 11:03:31,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:03:31,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:03:31,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:03:31,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:03:31,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:03:31,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:03:31,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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 11:03:31,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:03:31,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:03:31,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:06:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:06:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:06:38,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:06:38,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:06:38,439 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:06:38,439 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:06:38,441 INFO L202 PluginConnector]: Adding new model bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:06:38 BasicIcfg [2021-07-01 11:06:38,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:06:38,445 INFO L168 Benchmark]: Toolchain (without parser) took 359679.35 ms. Allocated memory was 182.5 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 162.9 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.5 GB. Max. memory is 8.0 GB. [2021-07-01 11:06:38,445 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 182.5 MB. Free memory is still 164.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:06:38,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.77 ms. Allocated memory is still 182.5 MB. Free memory was 162.8 MB in the beginning and 161.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:06:38,446 INFO L168 Benchmark]: Boogie Preprocessor took 17.25 ms. Allocated memory is still 182.5 MB. Free memory was 161.0 MB in the beginning and 160.1 MB in the end (delta: 912.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:06:38,448 INFO L168 Benchmark]: RCFGBuilder took 322.54 ms. Allocated memory is still 182.5 MB. Free memory was 160.0 MB in the beginning and 144.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 11:06:38,451 INFO L168 Benchmark]: TraceAbstraction took 359299.70 ms. Allocated memory was 182.5 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 144.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.5 GB. Max. memory is 8.0 GB. [2021-07-01 11:06:38,457 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 0.15 ms. Allocated memory is still 182.5 MB. Free memory is still 164.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.77 ms. Allocated memory is still 182.5 MB. Free memory was 162.8 MB in the beginning and 161.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.25 ms. Allocated memory is still 182.5 MB. Free memory was 161.0 MB in the beginning and 160.1 MB in the end (delta: 912.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 322.54 ms. Allocated memory is still 182.5 MB. Free memory was 160.0 MB in the beginning and 144.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 359299.70 ms. Allocated memory was 182.5 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 144.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.5 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58444489, positive: 45238236, positive conditional: 45238236, positive unconditional: 0, negative: 13206253, negative conditional: 13206253, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 54643023, positive: 45238236, positive conditional: 45238236, positive unconditional: 0, negative: 9404787, negative conditional: 9404787, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 54643023, positive: 45238236, positive conditional: 0, positive unconditional: 45238236, negative: 9404787, negative conditional: 0, negative unconditional: 9404787, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 562, positive: 480, positive conditional: 0, positive unconditional: 480, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 562, positive: 416, positive conditional: 0, positive unconditional: 416, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 146, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 821, positive: 574, positive conditional: 0, positive unconditional: 574, negative: 247, negative conditional: 0, negative unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54643023, positive: 45237756, positive conditional: 0, positive unconditional: 45237756, negative: 9404705, negative conditional: 0, negative unconditional: 9404705, unknown: 562, unknown conditional: 0, unknown unconditional: 562] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 480, Positive conditional cache size: 0, Positive unconditional cache size: 480, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82 ], Maximal queried relation: 0, Independence queries for same thread: 3801466 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5431036, positive: 4955383, positive conditional: 4955383, positive unconditional: 0, negative: 475653, negative conditional: 475653, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5207856, positive: 4955383, positive conditional: 4955383, positive unconditional: 0, negative: 252473, negative conditional: 252473, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5207856, positive: 4080034, positive conditional: 0, positive unconditional: 4080034, negative: 1127822, negative conditional: 0, negative unconditional: 1127822, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 664, positive: 563, positive conditional: 0, positive unconditional: 563, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 664, positive: 482, positive conditional: 0, positive unconditional: 482, negative: 182, negative conditional: 0, negative unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 182, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 452, positive: 313, positive conditional: 232, positive unconditional: 81, negative: 139, negative conditional: 38, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1142, positive: 960, positive conditional: 645, positive unconditional: 315, negative: 182, negative conditional: 51, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5207856, positive: 4079471, positive conditional: 0, positive unconditional: 4079471, negative: 1127721, negative conditional: 0, negative unconditional: 1127721, unknown: 664, unknown conditional: 0, unknown unconditional: 664] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 795, Positive conditional cache size: 232, Positive unconditional cache size: 563, Negative cache size: 139, Negative conditional cache size: 38, Negative unconditional cache size: 101, SemanticConditionEliminator.Independence Queries: [ total: 2047606, positive: 875349, positive conditional: 875349, positive unconditional: 0, negative: 1172257, negative conditional: 252450, negative unconditional: 919807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2047606, positive: 875349, positive conditional: 875349, positive unconditional: 0, negative: 1172257, negative conditional: 252450, negative unconditional: 919807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 452, positive: 313, positive conditional: 232, positive unconditional: 81, negative: 139, negative conditional: 38, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1142, positive: 960, positive conditional: 645, positive unconditional: 315, negative: 182, negative conditional: 51, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2047606, positive: 875117, positive conditional: 875117, positive unconditional: 0, negative: 1172219, negative conditional: 252412, negative unconditional: 919807, unknown: 270, unknown conditional: 270, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 795, Positive conditional cache size: 232, Positive unconditional cache size: 563, Negative cache size: 139, Negative conditional cache size: 38, Negative unconditional cache size: 101, Eliminated conditions: 919807, SemanticConditionEliminator.Independence Queries: [ total: 2047606, positive: 875349, positive conditional: 875349, positive unconditional: 0, negative: 1172257, negative conditional: 252450, negative unconditional: 919807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2047606, positive: 875349, positive conditional: 875349, positive unconditional: 0, negative: 1172257, negative conditional: 252450, negative unconditional: 919807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 452, positive: 313, positive conditional: 232, positive unconditional: 81, negative: 139, negative conditional: 38, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1142, positive: 960, positive conditional: 645, positive unconditional: 315, negative: 182, negative conditional: 51, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2047606, positive: 875117, positive conditional: 875117, positive unconditional: 0, negative: 1172219, negative conditional: 252412, negative unconditional: 919807, unknown: 270, unknown conditional: 270, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 795, Positive conditional cache size: 232, Positive unconditional cache size: 563, Negative cache size: 139, Negative conditional cache size: 38, Negative unconditional cache size: 101, Eliminated conditions: 919807, SemanticConditionEliminator.Independence Queries: [ total: 2047606, positive: 875349, positive conditional: 875349, positive unconditional: 0, negative: 1172257, negative conditional: 252450, negative unconditional: 919807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2047606, positive: 875349, positive conditional: 875349, positive unconditional: 0, negative: 1172257, negative conditional: 252450, negative unconditional: 919807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 452, positive: 313, positive conditional: 232, positive unconditional: 81, negative: 139, negative conditional: 38, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1142, positive: 960, positive conditional: 645, positive unconditional: 315, negative: 182, negative conditional: 51, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2047606, positive: 875117, positive conditional: 875117, positive unconditional: 0, negative: 1172219, negative conditional: 252412, negative unconditional: 919807, unknown: 270, unknown conditional: 270, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 795, Positive conditional cache size: 232, Positive unconditional cache size: 563, Negative cache size: 139, Negative conditional cache size: 38, Negative unconditional cache size: 101, Eliminated conditions: 919807 ], Maximal queried relation: 3, Independence queries for same thread: 223180 - PositiveResult [Line: 42]: 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 14 procedures, 75 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 170966.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.3ms, PartialOrderReductionTime: 170887.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 14 procedures, 75 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 188229.4ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 187868.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 4.9ms SsaConstructionTime, 48.1ms SatisfiabilityAnalysisTime, 171.9ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 11/11 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...