/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 09:25:03,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 09:25:03,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 09:25:03,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 09:25:03,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 09:25:03,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 09:25:03,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 09:25:03,469 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-FA-NoLbe.epf [2021-07-01 09:25:03,499 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 09:25:03,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 09:25:03,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 09:25:03,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 09:25:03,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 09:25:03,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 09:25:03,502 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 09:25:03,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 09:25:03,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 09:25:03,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 09:25:03,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 09:25:03,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 09:25:03,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 09:25:03,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 09:25:03,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 09:25:03,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 09:25:03,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 09:25:03,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 09:25:03,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 09:25:03,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 09:25:03,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 09:25:03,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 09:25:03,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 09:25:03,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 09:25:03,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 09:25:03,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 09:25:03,843 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 09:25:03,845 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 09:25:03,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl [2021-07-01 09:25:03,846 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl' [2021-07-01 09:25:03,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 09:25:03,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 09:25:03,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 09:25:03,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 09:25:03,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 09:25:03,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 09:25:03,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 09:25:03,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 09:25:03,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 09:25:03,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/1) ... [2021-07-01 09:25:03,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 09:25:03,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 09:25:03,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 09:25:03,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 09:25:03,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (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 09:25:03,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 09:25:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 09:25:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 09:25:03,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 09:25:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 09:25:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 09:25:03,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 09:25:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 09:25:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 09:25:03,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 09:25:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 09:25:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 09:25:03,988 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 09:25:04,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 09:25:04,225 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 09:25:04,226 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 09:25:04,226 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 09:25:04,227 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 09:25:04 BoogieIcfgContainer [2021-07-01 09:25:04,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 09:25:04,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 09:25:04,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 09:25:04,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 09:25:04,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 09:25:03" (1/2) ... [2021-07-01 09:25:04,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af4cda7 and model type bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 09:25:04, skipping insertion in model container [2021-07-01 09:25:04,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 09:25:04" (2/2) ... [2021-07-01 09:25:04,232 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized03.bpl [2021-07-01 09:25:04,236 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 09:25:04,236 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 09:25:04,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 09:25:04,237 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 09:25:04,279 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 09:25:04,296 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-01 09:25:04,310 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 09:25:04,310 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 09:25:04,310 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 09:25:04,310 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 09:25:04,310 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 09:25:04,310 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 09:25:04,310 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 09:25:04,310 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 09:25:04,316 INFO L112 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 29 transitions, 78 flow [2021-07-01 09:25:04,411 INFO L134 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 671 states, 129 states have (on average 2.75968992248062) internal successors, (356), 130 states have internal predecessors, (356), 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 09:25:04,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 671 states, 129 states have (on average 2.75968992248062) internal successors, (356), 130 states have internal predecessors, (356), 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 09:25:04,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-01 09:25:04,424 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 09:25:04,425 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-01 09:25:04,434 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 09:25:04,434 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 09:25:04,434 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 09:25:04,434 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 09:25:04,434 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 09:25:04,434 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 09:25:04,434 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 09:25:04,434 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 09:25:04,437 INFO L112 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 29 transitions, 78 flow [2021-07-01 09:25:04,465 INFO L134 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 671 states, 538 states have (on average 4.148698884758364) internal successors, (2232), 538 states have internal predecessors, (2232), 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 09:25:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 671 states, 538 states have (on average 4.148698884758364) internal successors, (2232), 538 states have internal predecessors, (2232), 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 09:25:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-07-01 09:25:04,467 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 09:25:04,468 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 09:25:04,468 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 09:25:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 09:25:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash 377310302, now seen corresponding path program 1 times [2021-07-01 09:25:04,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 09:25:04,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518613624] [2021-07-01 09:25:04,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 09:25:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 09:25:04,587 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 09:25:04,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 09:25:04,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518613624] [2021-07-01 09:25:04,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518613624] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 09:25:04,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 09:25:04,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 09:25:04,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384418127] [2021-07-01 09:25:04,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 09:25:04,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 09:25:04,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 09:25:04,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 09:25:04,605 INFO L87 Difference]: Start difference. First operand has 671 states, 538 states have (on average 4.148698884758364) internal successors, (2232), 538 states have internal predecessors, (2232), 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) Second operand 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 09:25:04,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 09:25:04,690 INFO L93 Difference]: Finished difference Result 1075 states and 4530 transitions. [2021-07-01 09:25:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 09:25:04,692 INFO L78 Accepts]: Start accepts. 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) Word has length 8 [2021-07-01 09:25:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 09:25:04,708 INFO L225 Difference]: With dead ends: 1075 [2021-07-01 09:25:04,708 INFO L226 Difference]: Without dead ends: 1075 [2021-07-01 09:25:04,709 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 09:25:04,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2021-07-01 09:25:04,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1027. [2021-07-01 09:25:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1026 states have (on average 4.2592592592592595) internal successors, (4370), 1026 states have internal predecessors, (4370), 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 09:25:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 4370 transitions. [2021-07-01 09:25:04,814 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 4370 transitions. Word has length 8 [2021-07-01 09:25:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 09:25:04,815 INFO L482 AbstractCegarLoop]: Abstraction has 1027 states and 4370 transitions. [2021-07-01 09:25:04,815 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 09:25:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 4370 transitions. [2021-07-01 09:25:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-01 09:25:04,816 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 09:25:04,816 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 09:25:04,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 09:25:04,816 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 09:25:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 09:25:04,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1810905981, now seen corresponding path program 1 times [2021-07-01 09:25:04,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 09:25:04,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913183667] [2021-07-01 09:25:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 09:25:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 09:25:04,837 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 09:25:04,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 09:25:04,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913183667] [2021-07-01 09:25:04,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913183667] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 09:25:04,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 09:25:04,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 09:25:04,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831694171] [2021-07-01 09:25:04,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 09:25:04,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 09:25:04,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 09:25:04,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 09:25:04,839 INFO L87 Difference]: Start difference. First operand 1027 states and 4370 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 09:25:04,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 09:25:04,855 INFO L93 Difference]: Finished difference Result 923 states and 3309 transitions. [2021-07-01 09:25:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 09:25:04,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2021-07-01 09:25:04,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 09:25:04,859 INFO L225 Difference]: With dead ends: 923 [2021-07-01 09:25:04,860 INFO L226 Difference]: Without dead ends: 475 [2021-07-01 09:25:04,861 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 09:25:04,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2021-07-01 09:25:04,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2021-07-01 09:25:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 474 states have (on average 3.331223628691983) internal successors, (1579), 474 states have internal predecessors, (1579), 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 09:25:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 1579 transitions. [2021-07-01 09:25:04,874 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 1579 transitions. Word has length 10 [2021-07-01 09:25:04,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 09:25:04,874 INFO L482 AbstractCegarLoop]: Abstraction has 475 states and 1579 transitions. [2021-07-01 09:25:04,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 09:25:04,874 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1579 transitions. [2021-07-01 09:25:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-07-01 09:25:04,880 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 09:25:04,880 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 09:25:04,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 09:25:04,880 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 09:25:04,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 09:25:04,881 INFO L82 PathProgramCache]: Analyzing trace with hash -436910010, now seen corresponding path program 1 times [2021-07-01 09:25:04,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 09:25:04,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500435327] [2021-07-01 09:25:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 09:25:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 09:25:04,938 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 09:25:04,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 09:25:04,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500435327] [2021-07-01 09:25:04,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500435327] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 09:25:04,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 09:25:04,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 09:25:04,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881042713] [2021-07-01 09:25:04,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 09:25:04,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 09:25:04,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 09:25:04,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-01 09:25:04,940 INFO L87 Difference]: Start difference. First operand 475 states and 1579 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 09:25:04,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 09:25:04,989 INFO L93 Difference]: Finished difference Result 825 states and 2715 transitions. [2021-07-01 09:25:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 09:25:04,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Word has length 13 [2021-07-01 09:25:04,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 09:25:04,992 INFO L225 Difference]: With dead ends: 825 [2021-07-01 09:25:04,992 INFO L226 Difference]: Without dead ends: 599 [2021-07-01 09:25:04,993 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-01 09:25:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-07-01 09:25:05,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 425. [2021-07-01 09:25:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 424 states have (on average 3.365566037735849) internal successors, (1427), 424 states have internal predecessors, (1427), 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 09:25:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 1427 transitions. [2021-07-01 09:25:05,006 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 1427 transitions. Word has length 13 [2021-07-01 09:25:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 09:25:05,007 INFO L482 AbstractCegarLoop]: Abstraction has 425 states and 1427 transitions. [2021-07-01 09:25:05,020 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 09:25:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 1427 transitions. [2021-07-01 09:25:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-01 09:25:05,021 INFO L496 BasicCegarLoop]: Found error trace [2021-07-01 09:25:05,021 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-01 09:25:05,021 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 09:25:05,021 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 09:25:05,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 09:25:05,022 INFO L82 PathProgramCache]: Analyzing trace with hash -256895465, now seen corresponding path program 1 times [2021-07-01 09:25:05,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 09:25:05,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107885551] [2021-07-01 09:25:05,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 09:25:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 09:25:05,086 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 09:25:05,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 09:25:05,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107885551] [2021-07-01 09:25:05,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107885551] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 09:25:05,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 09:25:05,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 09:25:05,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883923515] [2021-07-01 09:25:05,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 09:25:05,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 09:25:05,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 09:25:05,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-01 09:25:05,088 INFO L87 Difference]: Start difference. First operand 425 states and 1427 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 09:25:05,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-01 09:25:05,138 INFO L93 Difference]: Finished difference Result 317 states and 1019 transitions. [2021-07-01 09:25:05,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 09:25:05,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) Word has length 16 [2021-07-01 09:25:05,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-01 09:25:05,139 INFO L225 Difference]: With dead ends: 317 [2021-07-01 09:25:05,139 INFO L226 Difference]: Without dead ends: 0 [2021-07-01 09:25:05,140 INFO L760 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-01 09:25:05,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-01 09:25:05,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-01 09:25:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 09:25:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-01 09:25:05,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-07-01 09:25:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-01 09:25:05,140 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-01 09:25:05,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 09:25:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-01 09:25:05,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-01 09:25:05,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 09:25:05,142 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 09:25:05,142 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 09:25:05,185 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 09:25:05 BasicIcfg [2021-07-01 09:25:05,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 09:25:05,187 INFO L168 Benchmark]: Toolchain (without parser) took 1316.63 ms. Allocated memory is still 154.1 MB. Free memory was 133.8 MB in the beginning and 137.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 8.0 GB. [2021-07-01 09:25:05,187 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 154.1 MB. Free memory is still 134.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 09:25:05,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.64 ms. Allocated memory is still 154.1 MB. Free memory was 133.6 MB in the beginning and 131.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 09:25:05,188 INFO L168 Benchmark]: Boogie Preprocessor took 15.71 ms. Allocated memory is still 154.1 MB. Free memory was 131.9 MB in the beginning and 130.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 09:25:05,188 INFO L168 Benchmark]: RCFGBuilder took 301.80 ms. Allocated memory is still 154.1 MB. Free memory was 130.9 MB in the beginning and 116.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-01 09:25:05,189 INFO L168 Benchmark]: TraceAbstraction took 957.34 ms. Allocated memory is still 154.1 MB. Free memory was 116.4 MB in the beginning and 137.4 MB in the end (delta: -20.9 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. [2021-07-01 09:25:05,190 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 0.13 ms. Allocated memory is still 154.1 MB. Free memory is still 134.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.64 ms. Allocated memory is still 154.1 MB. Free memory was 133.6 MB in the beginning and 131.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.71 ms. Allocated memory is still 154.1 MB. Free memory was 131.9 MB in the beginning and 130.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 301.80 ms. Allocated memory is still 154.1 MB. Free memory was 130.9 MB in the beginning and 116.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 957.34 ms. Allocated memory is still 154.1 MB. Free memory was 116.4 MB in the beginning and 137.4 MB in the end (delta: -20.9 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 36]: 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 115.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 12.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 100.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=671occurred 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 708.2ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 9.2ms, AutomataDifference: 242.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 108 SDtfs, 113 SDslu, 99 SDs, 0 SdLazy, 116 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 88.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1027occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 122.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 222 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.3ms SsaConstructionTime, 48.1ms SatisfiabilityAnalysisTime, 138.3ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...