/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:13:17,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:13:17,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:13:17,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:13:17,183 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-Lockstep.epf [2021-07-01 11:13:17,207 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:13:17,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:13:17,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:13:17,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:13:17,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:13:17,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:13:17,208 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:13:17,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:13:17,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:13:17,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:13:17,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:13:17,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:13:17,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:13:17,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:13:17,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:13:17,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:13:17,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:13:17,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:13:17,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:13:17,211 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-01 11:13:17,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:13:17,211 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:13:17,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:13:17,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:13:17,211 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:13:17,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:13:17,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:13:17,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:13:17,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:13:17,506 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:13:17,508 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:13:17,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl [2021-07-01 11:13:17,508 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl' [2021-07-01 11:13:17,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:13:17,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:13:17,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:13:17,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:13:17,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:13:17,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:13:17,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:13:17,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:13:17,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:13:17,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/1) ... [2021-07-01 11:13:17,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:13:17,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:13:17,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:13:17,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:13:17,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (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 11:13:17,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-01 11:13:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-01 11:13:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-01 11:13:17,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:13:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:13:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:13:17,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:13:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:13:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:13:17,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:13:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:13:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:13:17,617 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 11:13:17,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:13:17,844 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-01 11:13:17,845 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-01 11:13:17,845 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:13:17,846 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:13:17 BoogieIcfgContainer [2021-07-01 11:13:17,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:13:17,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:13:17,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:13:17,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:13:17,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:13:17" (1/2) ... [2021-07-01 11:13:17,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e16dd20 and model type bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:13:17, skipping insertion in model container [2021-07-01 11:13:17,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:13:17" (2/2) ... [2021-07-01 11:13:17,852 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized06.bpl [2021-07-01 11:13:17,855 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:13:17,855 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:13:17,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:13:17,856 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:13:17,885 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:13:17,900 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 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 11:13:17,991 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:13:17,991 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:13:17,991 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:13:17,991 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:13:17,991 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:13:17,991 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:13:17,991 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:13:17,992 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:13:20,642 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-01 11:13:20,643 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:13:20,727 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:13:20,727 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:13:20,727 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:13:20,727 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:13:20,727 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:13:20,727 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:13:20,727 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:13:20,727 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-01 11:13:20,757 INFO L430 AbstractCegarLoop]: === Iteration 1 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:20,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:20,760 INFO L82 PathProgramCache]: Analyzing trace with hash 107812247, now seen corresponding path program 1 times [2021-07-01 11:13:20,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:20,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669840730] [2021-07-01 11:13:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:20,848 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 11:13:20,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:20,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669840730] [2021-07-01 11:13:20,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669840730] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:20,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:20,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:13:20,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409114409] [2021-07-01 11:13:20,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:13:20,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:20,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:13:20,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:13:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:20,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:20,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11:13:20,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,955 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:13:20,955 INFO L430 AbstractCegarLoop]: === Iteration 2 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:20,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:20,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1520535990, now seen corresponding path program 1 times [2021-07-01 11:13:20,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:20,956 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956449760] [2021-07-01 11:13:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:20,986 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 11:13:20,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:20,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956449760] [2021-07-01 11:13:20,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956449760] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:20,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:20,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-01 11:13:20,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569758458] [2021-07-01 11:13:20,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-01 11:13:20,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:20,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-01 11:13:20,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-01 11:13:20,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:20,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:20,991 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 11:13:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:21,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:13:21,174 INFO L430 AbstractCegarLoop]: === Iteration 3 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:21,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:21,174 INFO L82 PathProgramCache]: Analyzing trace with hash -887099483, now seen corresponding path program 1 times [2021-07-01 11:13:21,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:21,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961432062] [2021-07-01 11:13:21,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-01 11:13:21,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:21,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961432062] [2021-07-01 11:13:21,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961432062] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:13:21,240 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:13:21,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:13:21,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895320845] [2021-07-01 11:13:21,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:13:21,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:21,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:13:21,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:13:21,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:21,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:13:21,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:21,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:21,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:13:21,479 INFO L430 AbstractCegarLoop]: === Iteration 4 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:21,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:21,479 INFO L82 PathProgramCache]: Analyzing trace with hash 570806632, now seen corresponding path program 1 times [2021-07-01 11:13:21,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:21,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239571943] [2021-07-01 11:13:21,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:21,522 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 11:13:21,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:21,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239571943] [2021-07-01 11:13:21,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239571943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:21,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833972330] [2021-07-01 11:13:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:21,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-01 11:13:21,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-01 11:13:21,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833972330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:21,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:21,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 11:13:21,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989125741] [2021-07-01 11:13:21,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:13:21,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:21,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:13:21,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:13:21,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:21,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:21,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 11:13:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:22,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:22,737 INFO L430 AbstractCegarLoop]: === Iteration 5 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:22,738 INFO L82 PathProgramCache]: Analyzing trace with hash 863617784, now seen corresponding path program 1 times [2021-07-01 11:13:22,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:22,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339793615] [2021-07-01 11:13:22,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-01 11:13:22,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:22,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339793615] [2021-07-01 11:13:22,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339793615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:22,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375859208] [2021-07-01 11:13:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:22,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-01 11:13:22,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-01 11:13:22,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375859208] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:22,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:22,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-01 11:13:22,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935989415] [2021-07-01 11:13:22,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-01 11:13:22,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:22,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-01 11:13:22,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-01 11:13:22,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:22,968 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:22,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 11:13:22,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:22,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:22,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:22,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:22,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:13:26,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:26,239 INFO L430 AbstractCegarLoop]: === Iteration 6 === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:13:26,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:13:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash -750505511, now seen corresponding path program 1 times [2021-07-01 11:13:26,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:13:26,239 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098689065] [2021-07-01 11:13:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:13:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-01 11:13:26,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:13:26,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098689065] [2021-07-01 11:13:26,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098689065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:26,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016596769] [2021-07-01 11:13:26,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:13:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:13:26,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-01 11:13:26,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:13:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-01 11:13:26,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016596769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:13:26,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:13:26,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-01 11:13:26,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409033767] [2021-07-01 11:13:26,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 11:13:26,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:13:26,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 11:13:26,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-07-01 11:13:26,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:26,661 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:13:26,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 11:13:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:13:26,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:13:56,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:13:56,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:13:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:13:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:13:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:13:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-01 11:13:56,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-01 11:13:56,943 INFO L301 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-07-01 11:13:56,944 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:13:56,945 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:13:56 BasicIcfg [2021-07-01 11:13:56,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:13:56,946 INFO L168 Benchmark]: Toolchain (without parser) took 39420.72 ms. Allocated memory was 229.6 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 208.8 MB in the beginning and 6.1 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,946 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 229.6 MB. Free memory is still 209.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:13:56,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.27 ms. Allocated memory is still 229.6 MB. Free memory was 208.6 MB in the beginning and 206.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,946 INFO L168 Benchmark]: Boogie Preprocessor took 10.32 ms. Allocated memory is still 229.6 MB. Free memory was 206.9 MB in the beginning and 206.0 MB in the end (delta: 880.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,947 INFO L168 Benchmark]: RCFGBuilder took 285.67 ms. Allocated memory is still 229.6 MB. Free memory was 205.8 MB in the beginning and 191.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,947 INFO L168 Benchmark]: TraceAbstraction took 39097.87 ms. Allocated memory was 229.6 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 191.1 MB in the beginning and 6.1 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-07-01 11:13:56,947 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 229.6 MB. Free memory is still 209.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.27 ms. Allocated memory is still 229.6 MB. Free memory was 208.6 MB in the beginning and 206.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.32 ms. Allocated memory is still 229.6 MB. Free memory was 206.9 MB in the beginning and 206.0 MB in the end (delta: 880.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 285.67 ms. Allocated memory is still 229.6 MB. Free memory was 205.8 MB in the beginning and 191.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39097.87 ms. Allocated memory was 229.6 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 191.1 MB in the beginning and 6.1 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 893572, positive: 761839, positive conditional: 761839, positive unconditional: 0, negative: 131733, negative conditional: 131733, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 827248, positive: 761839, positive conditional: 761839, positive unconditional: 0, negative: 65409, negative conditional: 65409, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 827248, positive: 761839, positive conditional: 0, positive unconditional: 761839, negative: 65409, negative conditional: 0, negative unconditional: 65409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 506, positive: 463, positive conditional: 0, positive unconditional: 463, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 506, positive: 360, positive conditional: 0, positive unconditional: 360, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 146, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 326, positive: 191, positive conditional: 0, positive unconditional: 191, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 827248, positive: 761376, positive conditional: 0, positive unconditional: 761376, negative: 65366, negative conditional: 0, negative unconditional: 65366, unknown: 506, unknown conditional: 0, unknown unconditional: 506] , Statistics on independence cache: Total cache size (in pairs): 506, Positive cache size: 463, Positive conditional cache size: 0, Positive unconditional cache size: 463, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43 ], Maximal queried relation: 0, Independence queries for same thread: 66324 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10028900, positive: 9444817, positive conditional: 9444817, positive unconditional: 0, negative: 584083, negative conditional: 584083, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9643048, positive: 9444817, positive conditional: 9444817, positive unconditional: 0, negative: 198231, negative conditional: 198231, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9643048, positive: 8279320, positive conditional: 0, positive unconditional: 8279320, negative: 1363728, negative conditional: 0, negative unconditional: 1363728, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 636, positive: 590, positive conditional: 0, positive unconditional: 590, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 636, positive: 442, positive conditional: 0, positive unconditional: 442, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 701, positive: 449, positive conditional: 301, positive unconditional: 148, negative: 252, negative conditional: 206, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 321, positive conditional: 222, positive unconditional: 100, negative: 235, negative conditional: 173, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9643048, positive: 8278730, positive conditional: 0, positive unconditional: 8278730, negative: 1363682, negative conditional: 0, negative unconditional: 1363682, unknown: 636, unknown conditional: 0, unknown unconditional: 636] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 891, Positive conditional cache size: 301, Positive unconditional cache size: 590, Negative cache size: 252, Negative conditional cache size: 206, Negative unconditional cache size: 46, SemanticConditionEliminator.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 701, positive: 449, positive conditional: 301, positive unconditional: 148, negative: 252, negative conditional: 206, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 321, positive conditional: 222, positive unconditional: 100, negative: 235, negative conditional: 173, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4448043, positive: 1165196, positive conditional: 1165196, positive unconditional: 0, negative: 3282340, negative conditional: 1180357, negative unconditional: 2101983, unknown: 507, unknown conditional: 507, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 891, Positive conditional cache size: 301, Positive unconditional cache size: 590, Negative cache size: 252, Negative conditional cache size: 206, Negative unconditional cache size: 46, Eliminated conditions: 2101983, SemanticConditionEliminator.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 701, positive: 449, positive conditional: 301, positive unconditional: 148, negative: 252, negative conditional: 206, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 321, positive conditional: 222, positive unconditional: 100, negative: 235, negative conditional: 173, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4448043, positive: 1165196, positive conditional: 1165196, positive unconditional: 0, negative: 3282340, negative conditional: 1180357, negative unconditional: 2101983, unknown: 507, unknown conditional: 507, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 891, Positive conditional cache size: 301, Positive unconditional cache size: 590, Negative cache size: 252, Negative conditional cache size: 206, Negative unconditional cache size: 46, Eliminated conditions: 2101983, SemanticConditionEliminator.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 701, positive: 449, positive conditional: 301, positive unconditional: 148, negative: 252, negative conditional: 206, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 321, positive conditional: 222, positive unconditional: 100, negative: 235, negative conditional: 173, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4448043, positive: 1165196, positive conditional: 1165196, positive unconditional: 0, negative: 3282340, negative conditional: 1180357, negative unconditional: 2101983, unknown: 507, unknown conditional: 507, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 891, Positive conditional cache size: 301, Positive unconditional cache size: 590, Negative cache size: 252, Negative conditional cache size: 206, Negative unconditional cache size: 46, Eliminated conditions: 2101983, SemanticConditionEliminator.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 701, positive: 449, positive conditional: 301, positive unconditional: 148, negative: 252, negative conditional: 206, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 321, positive conditional: 222, positive unconditional: 100, negative: 235, negative conditional: 173, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4448043, positive: 1165196, positive conditional: 1165196, positive unconditional: 0, negative: 3282340, negative conditional: 1180357, negative unconditional: 2101983, unknown: 507, unknown conditional: 507, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 891, Positive conditional cache size: 301, Positive unconditional cache size: 590, Negative cache size: 252, Negative conditional cache size: 206, Negative unconditional cache size: 46, Eliminated conditions: 2101983, SemanticConditionEliminator.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 701, positive: 449, positive conditional: 301, positive unconditional: 148, negative: 252, negative conditional: 206, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 321, positive conditional: 222, positive unconditional: 100, negative: 235, negative conditional: 173, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4448043, positive: 1165196, positive conditional: 1165196, positive unconditional: 0, negative: 3282340, negative conditional: 1180357, negative unconditional: 2101983, unknown: 507, unknown conditional: 507, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 891, Positive conditional cache size: 301, Positive unconditional cache size: 590, Negative cache size: 252, Negative conditional cache size: 206, Negative unconditional cache size: 46, Eliminated conditions: 2101983, SemanticConditionEliminator.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4448043, positive: 1165497, positive conditional: 1165497, positive unconditional: 0, negative: 3282546, negative conditional: 1180563, negative unconditional: 2101983, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 701, positive: 449, positive conditional: 301, positive unconditional: 148, negative: 252, negative conditional: 206, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 556, positive: 321, positive conditional: 222, positive unconditional: 100, negative: 235, negative conditional: 173, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4448043, positive: 1165196, positive conditional: 1165196, positive unconditional: 0, negative: 3282340, negative conditional: 1180357, negative unconditional: 2101983, unknown: 507, unknown conditional: 507, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 891, Positive conditional cache size: 301, Positive unconditional cache size: 590, Negative cache size: 252, Negative conditional cache size: 206, Negative unconditional cache size: 46, Eliminated conditions: 2101983 ], Maximal queried relation: 6, Independence queries for same thread: 385852 - PositiveResult [Line: 39]: 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2730.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44.0ms, PartialOrderReductionTime: 2600.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36281.7ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 34270.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 28.4ms SsaConstructionTime, 137.8ms SatisfiabilityAnalysisTime, 893.8ms InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 1070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 359/453 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...