/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-customized03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:00:37,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:00:37,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:00:37,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:00:37,895 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 11:00:37,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:00:37,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:00:37,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:00:37,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:00:37,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:00:37,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:00:37,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:00:37,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:00:37,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:00:37,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:00:37,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:00:37,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:00:37,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:00:37,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:00:37,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:00:37,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:00:37,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:00:37,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:00:37,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:00:37,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:00:37,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:00:37,968 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:00:37,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:00:37,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:00:37,968 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:00:37,968 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-07-01 11:00:37,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:00:38,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:00:38,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:00:38,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:00:38,230 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:00:38,231 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:00:38,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl [2021-07-01 11:00:38,232 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl' [2021-07-01 11:00:38,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:00:38,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:00:38,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:00:38,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:00:38,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:00:38,259 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,266 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:00:38,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:00:38,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:00:38,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:00:38,286 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,287 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,287 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,287 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,288 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,290 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,291 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 11:00:38" (1/1) ... [2021-07-01 11:00:38,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:00:38,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:00:38,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:00:38,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:00:38,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized03.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 11:00:38,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:00:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:00:38,354 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:00:38,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:00:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:00:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:00:38,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:00:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:00:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:00:38,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:00:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:00:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:00:38,356 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 11:00:38,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:00:38,493 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:00:38,494 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:00:38,494 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:00:38,495 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:00:38 BoogieIcfgContainer [2021-07-01 11:00:38,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:00:38,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:00:38,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:00:38,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:00:38,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:00:38" (1/2) ... [2021-07-01 11:00:38,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bc1200 and model type bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:00:38, skipping insertion in model container [2021-07-01 11:00:38,499 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 11:00:38" (2/2) ... [2021-07-01 11:00:38,500 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized03.bpl [2021-07-01 11:00:38,504 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:00:38,504 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:00:38,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:00:38,504 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:00:38,523 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:00:38,538 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 11:00:38,608 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:00:38,609 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:00:38,609 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:00:38,609 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:00:38,609 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:00:38,609 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:00:38,609 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:00:38,609 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:00:38,865 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:00:38,866 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 11:00:38,874 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:00:38,874 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:00:38,874 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:00:38,874 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:00:38,874 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:00:38,874 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:00:38,874 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:00:38,874 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:00:38,879 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:00:38,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:00:38,882 INFO L82 PathProgramCache]: Analyzing trace with hash -543404238, now seen corresponding path program 1 times [2021-07-01 11:00:38,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:00:38,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016029513] [2021-07-01 11:00:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:00:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:00:38,991 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 11:00:38,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:00:38,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016029513] [2021-07-01 11:00:38,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016029513] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:00:38,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:00:38,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:00:38,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831243464] [2021-07-01 11:00:38,996 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:00:38,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:00:39,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:00:39,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:00:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,008 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:00:39,008 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 11:00:39,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:39,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:00:39,121 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:00:39,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:00:39,122 INFO L82 PathProgramCache]: Analyzing trace with hash 377310302, now seen corresponding path program 1 times [2021-07-01 11:00:39,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:00:39,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774466811] [2021-07-01 11:00:39,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:00:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:00:39,139 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 11:00:39,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:00:39,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774466811] [2021-07-01 11:00:39,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774466811] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:00:39,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:00:39,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:00:39,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27638880] [2021-07-01 11:00:39,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 11:00:39,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:00:39,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 11:00:39,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 11:00:39,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:00:39,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:00:39,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:39,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:00:39,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:00:39,388 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:00:39,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:00:39,389 INFO L82 PathProgramCache]: Analyzing trace with hash 2089453227, now seen corresponding path program 1 times [2021-07-01 11:00:39,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:00:39,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000142266] [2021-07-01 11:00:39,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:00:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:00:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:00:39,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:00:39,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000142266] [2021-07-01 11:00:39,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000142266] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:00:39,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:00:39,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:00:39,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500014568] [2021-07-01 11:00:39,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:00:39,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:00:39,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:00:39,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:00:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:00:39,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 11:00:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:00:39,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:00:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:00:39,633 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:00:39,633 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:00:39,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:00:39,636 INFO L82 PathProgramCache]: Analyzing trace with hash 152027334, now seen corresponding path program 1 times [2021-07-01 11:00:39,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:00:39,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146885254] [2021-07-01 11:00:39,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:00:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:00:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-01 11:00:39,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:00:39,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146885254] [2021-07-01 11:00:39,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146885254] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:00:39,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:00:39,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 11:00:39,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227631006] [2021-07-01 11:00:39,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:00:39,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:00:39,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:00:39,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:00:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:00:39,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 11:00:39,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:39,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:00:39,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:00:39,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:00:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:00:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:00:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:00:39,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:00:39,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 11:00:39,852 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:00:39,852 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:00:39,854 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:00:39 BasicIcfg [2021-07-01 11:00:39,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:00:39,856 INFO L168 Benchmark]: Toolchain (without parser) took 1606.84 ms. Allocated memory is still 213.9 MB. Free memory was 194.2 MB in the beginning and 130.4 MB in the end (delta: 63.8 MB). Peak memory consumption was 64.9 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:39,856 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 213.9 MB. Free memory is still 195.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:00:39,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.25 ms. Allocated memory is still 213.9 MB. Free memory was 194.1 MB in the beginning and 192.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:39,859 INFO L168 Benchmark]: Boogie Preprocessor took 10.58 ms. Allocated memory is still 213.9 MB. Free memory was 192.4 MB in the beginning and 191.4 MB in the end (delta: 942.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:39,861 INFO L168 Benchmark]: RCFGBuilder took 203.25 ms. Allocated memory is still 213.9 MB. Free memory was 191.4 MB in the beginning and 177.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:39,861 INFO L168 Benchmark]: TraceAbstraction took 1357.72 ms. Allocated memory is still 213.9 MB. Free memory was 176.9 MB in the beginning and 130.4 MB in the end (delta: 46.5 MB). Peak memory consumption was 48.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:00:39,862 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 213.9 MB. Free memory is still 195.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.25 ms. Allocated memory is still 213.9 MB. Free memory was 194.1 MB in the beginning and 192.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.58 ms. Allocated memory is still 213.9 MB. Free memory was 192.4 MB in the beginning and 191.4 MB in the end (delta: 942.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 203.25 ms. Allocated memory is still 213.9 MB. Free memory was 191.4 MB in the beginning and 177.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1357.72 ms. Allocated memory is still 213.9 MB. Free memory was 176.9 MB in the beginning and 130.4 MB in the end (delta: 46.5 MB). Peak memory consumption was 48.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 526, positive: 350, positive conditional: 350, positive unconditional: 0, negative: 176, negative conditional: 176, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 455, positive: 350, positive conditional: 350, positive unconditional: 0, negative: 105, negative conditional: 105, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 455, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 144, negative conditional: 0, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 455, positive: 292, positive conditional: 0, positive unconditional: 292, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 ], Maximal queried relation: 0, Independence queries for same thread: 71 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10895, positive: 9819, positive conditional: 9819, positive unconditional: 0, negative: 1076, negative conditional: 1076, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10171, positive: 9819, positive conditional: 9819, positive unconditional: 0, negative: 352, negative conditional: 352, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10171, positive: 8995, positive conditional: 0, positive unconditional: 8995, negative: 1176, negative conditional: 0, negative unconditional: 1176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 40, positive conditional: 28, positive unconditional: 12, negative: 58, negative conditional: 39, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 184, positive conditional: 113, positive unconditional: 72, negative: 129, negative conditional: 90, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10171, positive: 8890, positive conditional: 0, positive unconditional: 8890, negative: 1157, negative conditional: 0, negative unconditional: 1157, unknown: 124, unknown conditional: 0, unknown unconditional: 124] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 133, Positive conditional cache size: 28, Positive unconditional cache size: 105, Negative cache size: 58, Negative conditional cache size: 39, Negative unconditional cache size: 19, SemanticConditionEliminator.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 40, positive conditional: 28, positive unconditional: 12, negative: 58, negative conditional: 39, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 184, positive conditional: 113, positive unconditional: 72, negative: 129, negative conditional: 90, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2244, positive: 796, positive conditional: 796, positive unconditional: 0, negative: 1381, negative conditional: 779, negative unconditional: 602, unknown: 67, unknown conditional: 67, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 133, Positive conditional cache size: 28, Positive unconditional cache size: 105, Negative cache size: 58, Negative conditional cache size: 39, Negative unconditional cache size: 19, Eliminated conditions: 602, SemanticConditionEliminator.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 40, positive conditional: 28, positive unconditional: 12, negative: 58, negative conditional: 39, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 184, positive conditional: 113, positive unconditional: 72, negative: 129, negative conditional: 90, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2244, positive: 796, positive conditional: 796, positive unconditional: 0, negative: 1381, negative conditional: 779, negative unconditional: 602, unknown: 67, unknown conditional: 67, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 133, Positive conditional cache size: 28, Positive unconditional cache size: 105, Negative cache size: 58, Negative conditional cache size: 39, Negative unconditional cache size: 19, Eliminated conditions: 602, SemanticConditionEliminator.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 40, positive conditional: 28, positive unconditional: 12, negative: 58, negative conditional: 39, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 184, positive conditional: 113, positive unconditional: 72, negative: 129, negative conditional: 90, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2244, positive: 796, positive conditional: 796, positive unconditional: 0, negative: 1381, negative conditional: 779, negative unconditional: 602, unknown: 67, unknown conditional: 67, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 133, Positive conditional cache size: 28, Positive unconditional cache size: 105, Negative cache size: 58, Negative conditional cache size: 39, Negative unconditional cache size: 19, Eliminated conditions: 602, SemanticConditionEliminator.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2244, positive: 824, positive conditional: 824, positive unconditional: 0, negative: 1420, negative conditional: 818, negative unconditional: 602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 40, positive conditional: 28, positive unconditional: 12, negative: 58, negative conditional: 39, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 314, positive: 184, positive conditional: 113, positive unconditional: 72, negative: 129, negative conditional: 90, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2244, positive: 796, positive conditional: 796, positive unconditional: 0, negative: 1381, negative conditional: 779, negative unconditional: 602, unknown: 67, unknown conditional: 67, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 133, Positive conditional cache size: 28, Positive unconditional cache size: 105, Negative cache size: 58, Negative conditional cache size: 39, Negative unconditional cache size: 19, Eliminated conditions: 602 ], Maximal queried relation: 4, Independence queries for same thread: 724 - 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: 314.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 238.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 983.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 688.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.8ms SsaConstructionTime, 34.3ms SatisfiabilityAnalysisTime, 141.0ms InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 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...