/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:46:41,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:46:41,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:46:41,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:46:41,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 10:46:41,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 10:46:41,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 10:46:41,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 10:46:41,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 10:46:41,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 10:46:41,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 10:46:41,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 10:46:41,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 10:46:41,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 10:46:41,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 10:46:41,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 10:46:41,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 10:46:41,523 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.epf [2021-07-01 10:46:41,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:46:41,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:46:41,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:46:41,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:46:41,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:46:41,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:46:41,562 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:46:41,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:46:41,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:46:41,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:46:41,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:46:41,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:46:41,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:46:41,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:46:41,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:46:41,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:46:41,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:46:41,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:46:41,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:46:41,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:46:41,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:46:41,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:46:41,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:46:41,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:46:41,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:46:41,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:46:41,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:46:41,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:46:41,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:46:41,565 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:46:41,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:46:41,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:46:41,565 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 10:46:41,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:46:41,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:46:41,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:46:41,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:46:41,863 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:46:41,864 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:46:41,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl [2021-07-01 10:46:41,865 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert08.bpl' [2021-07-01 10:46:41,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:46:41,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:46:41,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:46:41,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:46:41,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:46:41,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:46:41,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:46:41,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:46:41,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:46:41,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/1) ... [2021-07-01 10:46:41,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:46:41,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:46:41,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:46:41,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:46:41,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (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 10:46:41,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:46:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:46:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:46:41,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:46:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:46:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:46:41,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:46:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:46:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:46:41,967 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 10:46:42,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:46:42,102 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 10:46:42,103 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:46:42,104 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:46:42 BoogieIcfgContainer [2021-07-01 10:46:42,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:46:42,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:46:42,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:46:42,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:46:42,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:41" (1/2) ... [2021-07-01 10:46:42,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539c06cc and model type bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:46:42, skipping insertion in model container [2021-07-01 10:46:42,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:46:42" (2/2) ... [2021-07-01 10:46:42,109 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert08.bpl [2021-07-01 10:46:42,123 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:46:42,123 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:46:42,124 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:46:42,124 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:46:42,181 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:46:42,199 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 10:46:42,244 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:46:42,244 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:46:42,244 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:46:42,244 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:46:42,245 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:46:42,245 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:46:42,245 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:46:42,245 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 10:46:42,295 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:42,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:42,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1324219015, now seen corresponding path program 1 times [2021-07-01 10:46:42,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:42,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91942517] [2021-07-01 10:46:42,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:42,474 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 10:46:42,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:42,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91942517] [2021-07-01 10:46:42,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91942517] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:42,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:42,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 10:46:42,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554378828] [2021-07-01 10:46:42,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 10:46:42,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:42,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 10:46:42,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 10:46:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:42,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:42,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:46:42,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:42,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:46:42,647 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:42,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:42,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1683543428, now seen corresponding path program 1 times [2021-07-01 10:46:42,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:42,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76427049] [2021-07-01 10:46:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:42,692 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 10:46:42,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:42,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76427049] [2021-07-01 10:46:42,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76427049] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:42,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:42,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:46:42,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495716212] [2021-07-01 10:46:42,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:46:42,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:42,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:46:42,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:46:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:42,697 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:42,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 10:46:42,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:42,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:43,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:46:43,378 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:43,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:43,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1439566722, now seen corresponding path program 1 times [2021-07-01 10:46:43,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:43,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173511596] [2021-07-01 10:46:43,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:43,444 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 10:46:43,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:43,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173511596] [2021-07-01 10:46:43,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173511596] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:43,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:43,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 10:46:43,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720392460] [2021-07-01 10:46:43,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:46:43,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:43,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:46:43,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:46:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:43,447 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:43,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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 10:46:43,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:43,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:43,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:43,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:46:43,667 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:43,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:43,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1438851552, now seen corresponding path program 2 times [2021-07-01 10:46:43,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:43,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698520183] [2021-07-01 10:46:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:43,755 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 10:46:43,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:43,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698520183] [2021-07-01 10:46:43,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698520183] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:43,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:43,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 10:46:43,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112558459] [2021-07-01 10:46:43,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:46:43,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:43,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:46:43,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:46:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:43,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:43,757 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 10:46:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:43,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:44,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:44,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 10:46:44,053 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:44,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:44,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1608959127, now seen corresponding path program 1 times [2021-07-01 10:46:44,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:44,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42443334] [2021-07-01 10:46:44,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:46:44,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:44,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42443334] [2021-07-01 10:46:44,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42443334] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:44,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268451032] [2021-07-01 10:46:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:46:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:44,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-01 10:46:44,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:46:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:46:44,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268451032] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:44,261 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:46:44,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 10:46:44,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388330481] [2021-07-01 10:46:44,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:46:44,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:44,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:46:44,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:46:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:44,263 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:44,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 10:46:44,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:44,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:44,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:46:44,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:46:44,961 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:44,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:44,962 INFO L82 PathProgramCache]: Analyzing trace with hash -350206919, now seen corresponding path program 1 times [2021-07-01 10:46:44,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:44,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154817188] [2021-07-01 10:46:44,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:46:45,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:45,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154817188] [2021-07-01 10:46:45,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154817188] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:45,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955148713] [2021-07-01 10:46:45,065 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 10:46:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:45,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-01 10:46:45,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:46:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:46:45,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955148713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:45,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:46:45,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-01 10:46:45,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095980304] [2021-07-01 10:46:45,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:46:45,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:45,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:46:45,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:46:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:45,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:45,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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 10:46:45,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:45,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:45,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:45,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:45,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:46:45,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:47:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:47:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:47:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:47:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:47:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:47:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:47:05,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:47:05,703 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 10:47:05,704 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 10:47:05,758 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:47:05,759 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:47:05,759 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:47:05,759 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:47:05,759 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:47:05,759 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:47:05,759 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:47:05,759 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:47:15,532 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 10:47:15,532 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:47:15,534 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:47:15 BasicIcfg [2021-07-01 10:47:15,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:47:15,535 INFO L168 Benchmark]: Toolchain (without parser) took 33653.56 ms. Allocated memory was 174.1 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 154.4 MB in the beginning and 5.1 GB in the end (delta: -5.0 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-07-01 10:47:15,535 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 174.1 MB. Free memory is still 155.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:47:15,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.62 ms. Allocated memory is still 174.1 MB. Free memory was 154.3 MB in the beginning and 152.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:47:15,535 INFO L168 Benchmark]: Boogie Preprocessor took 10.16 ms. Allocated memory is still 174.1 MB. Free memory was 152.5 MB in the beginning and 151.5 MB in the end (delta: 954.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:47:15,535 INFO L168 Benchmark]: RCFGBuilder took 185.75 ms. Allocated memory is still 174.1 MB. Free memory was 151.5 MB in the beginning and 138.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 10:47:15,535 INFO L168 Benchmark]: TraceAbstraction took 33429.20 ms. Allocated memory was 174.1 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 137.9 MB in the beginning and 5.1 GB in the end (delta: -5.0 GB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-07-01 10:47:15,535 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 0.12 ms. Allocated memory is still 174.1 MB. Free memory is still 155.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.62 ms. Allocated memory is still 174.1 MB. Free memory was 154.3 MB in the beginning and 152.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.16 ms. Allocated memory is still 174.1 MB. Free memory was 152.5 MB in the beginning and 151.5 MB in the end (delta: 954.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 185.75 ms. Allocated memory is still 174.1 MB. Free memory was 151.5 MB in the beginning and 138.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33429.20 ms. Allocated memory was 174.1 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 137.9 MB in the beginning and 5.1 GB in the end (delta: -5.0 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: 2249475, positive: 2148872, positive conditional: 2148872, positive unconditional: 0, negative: 100603, negative conditional: 100603, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2174195, positive: 2148872, positive conditional: 2148872, positive unconditional: 0, negative: 25323, negative conditional: 25323, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2174195, positive: 1861959, positive conditional: 0, positive unconditional: 1861959, negative: 312236, negative conditional: 0, negative unconditional: 312236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 621, positive: 512, positive conditional: 0, positive unconditional: 512, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 621, positive: 425, positive conditional: 0, positive unconditional: 425, negative: 196, negative conditional: 0, negative unconditional: 196, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 739, positive: 301, positive conditional: 214, positive unconditional: 87, negative: 438, negative conditional: 329, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1093, positive: 405, positive conditional: 220, positive unconditional: 185, negative: 688, negative conditional: 544, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2174195, positive: 1861447, positive conditional: 0, positive unconditional: 1861447, negative: 312127, negative conditional: 0, negative unconditional: 312127, unknown: 621, unknown conditional: 0, unknown unconditional: 621] , Statistics on independence cache: Total cache size (in pairs): 1164, Positive cache size: 726, Positive conditional cache size: 214, Positive unconditional cache size: 512, Negative cache size: 438, Negative conditional cache size: 329, Negative unconditional cache size: 109, SemanticConditionEliminator.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 739, positive: 301, positive conditional: 214, positive unconditional: 87, negative: 438, negative conditional: 329, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1093, positive: 405, positive conditional: 220, positive unconditional: 185, negative: 688, negative conditional: 544, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 930487, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643245, negative conditional: 311650, negative unconditional: 331595, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1164, Positive cache size: 726, Positive conditional cache size: 214, Positive unconditional cache size: 512, Negative cache size: 438, Negative conditional cache size: 329, Negative unconditional cache size: 109, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 739, positive: 301, positive conditional: 214, positive unconditional: 87, negative: 438, negative conditional: 329, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1093, positive: 405, positive conditional: 220, positive unconditional: 185, negative: 688, negative conditional: 544, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 930487, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643245, negative conditional: 311650, negative unconditional: 331595, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1164, Positive cache size: 726, Positive conditional cache size: 214, Positive unconditional cache size: 512, Negative cache size: 438, Negative conditional cache size: 329, Negative unconditional cache size: 109, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 739, positive: 301, positive conditional: 214, positive unconditional: 87, negative: 438, negative conditional: 329, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1093, positive: 405, positive conditional: 220, positive unconditional: 185, negative: 688, negative conditional: 544, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 930487, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643245, negative conditional: 311650, negative unconditional: 331595, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1164, Positive cache size: 726, Positive conditional cache size: 214, Positive unconditional cache size: 512, Negative cache size: 438, Negative conditional cache size: 329, Negative unconditional cache size: 109, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 739, positive: 301, positive conditional: 214, positive unconditional: 87, negative: 438, negative conditional: 329, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1093, positive: 405, positive conditional: 220, positive unconditional: 185, negative: 688, negative conditional: 544, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 930487, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643245, negative conditional: 311650, negative unconditional: 331595, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1164, Positive cache size: 726, Positive conditional cache size: 214, Positive unconditional cache size: 512, Negative cache size: 438, Negative conditional cache size: 329, Negative unconditional cache size: 109, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 739, positive: 301, positive conditional: 214, positive unconditional: 87, negative: 438, negative conditional: 329, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1093, positive: 405, positive conditional: 220, positive unconditional: 185, negative: 688, negative conditional: 544, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 930487, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643245, negative conditional: 311650, negative unconditional: 331595, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1164, Positive cache size: 726, Positive conditional cache size: 214, Positive unconditional cache size: 512, Negative cache size: 438, Negative conditional cache size: 329, Negative unconditional cache size: 109, Eliminated conditions: 331595, SemanticConditionEliminator.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 930487, positive: 286913, positive conditional: 286913, positive unconditional: 0, negative: 643574, negative conditional: 311979, negative unconditional: 331595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 739, positive: 301, positive conditional: 214, positive unconditional: 87, negative: 438, negative conditional: 329, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1093, positive: 405, positive conditional: 220, positive unconditional: 185, negative: 688, negative conditional: 544, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 930487, positive: 286699, positive conditional: 286699, positive unconditional: 0, negative: 643245, negative conditional: 311650, negative unconditional: 331595, unknown: 543, unknown conditional: 543, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1164, Positive cache size: 726, Positive conditional cache size: 214, Positive unconditional cache size: 512, Negative cache size: 438, Negative conditional cache size: 329, Negative unconditional cache size: 109, Eliminated conditions: 331595 ], Maximal queried relation: 6, Independence queries for same thread: 75280 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5010893, positive: 3894047, positive conditional: 3894047, positive unconditional: 0, negative: 1116846, negative conditional: 1116846, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4625119, positive: 3894047, positive conditional: 3894047, positive unconditional: 0, negative: 731072, negative conditional: 731072, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4625119, positive: 3894047, positive conditional: 0, positive unconditional: 3894047, negative: 731072, negative conditional: 0, negative unconditional: 731072, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 547, positive: 434, positive conditional: 0, positive unconditional: 434, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 547, positive: 371, positive conditional: 0, positive unconditional: 371, negative: 176, negative conditional: 0, negative unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 176, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 200, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4625119, positive: 3893613, positive conditional: 0, positive unconditional: 3893613, negative: 730959, negative conditional: 0, negative unconditional: 730959, unknown: 547, unknown conditional: 0, unknown unconditional: 547] , Statistics on independence cache: Total cache size (in pairs): 547, Positive cache size: 434, Positive conditional cache size: 0, Positive unconditional cache size: 434, Negative cache size: 113, Negative conditional cache size: 0, Negative unconditional cache size: 113 ], Maximal queried relation: 0, Independence queries for same thread: 385774 - PositiveResult [Line: 77]: 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: ServerThreadThread1of1ForFork0 with 1 thread instances CFG has 12 procedures, 67 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23488.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.9ms, PartialOrderReductionTime: 22037.4ms, 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: 17.8ms SsaConstructionTime, 108.4ms SatisfiabilityAnalysisTime, 651.4ms InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 1133 SizeOfPredicates, 1 NumberOfNonLiveVariables, 130 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 14/24 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 12 procedures, 67 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9827.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 9771.3ms, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...