/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-serverassert07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:46:38,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:46:38,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:46:38,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-01 10:46:38,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-01 10:46:38,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-01 10:46:38,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-01 10:46:38,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-01 10:46:38,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-01 10:46:38,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-01 10:46:38,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-01 10:46:38,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-01 10:46:38,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 10:46:38,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 10:46:38,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 10:46:38,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 10:46:38,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 10:46:38,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 10:46:38,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 10:46:38,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 10:46:38,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 10:46:38,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 10:46:38,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 10:46:38,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 10:46:38,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 10:46:38,924 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 10:46:38,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:46:38,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:46:38,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:46:38,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:46:38,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:46:38,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:46:38,960 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:46:38,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:46:38,960 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:46:38,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:46:38,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:46:38,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:46:38,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:46:38,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:46:38,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:46:38,962 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:46:38,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:46:38,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:46:38,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:46:38,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:46:38,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:46:38,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:46:38,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:46:38,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:46:38,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:46:38,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:46:38,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:46:38,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:46:38,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:46:38,983 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:46:38,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:46:38,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:46:38,983 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 10:46:38,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:46:39,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:46:39,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:46:39,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:46:39,347 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:46:39,348 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:46:39,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert07.bpl [2021-07-01 10:46:39,349 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert07.bpl' [2021-07-01 10:46:39,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:46:39,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:46:39,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:46:39,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:46:39,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:46:39,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:46:39,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:46:39,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:46:39,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:46:39,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/1) ... [2021-07-01 10:46:39,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:46:39,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:46:39,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:46:39,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:46:39,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (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 10:46:39,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:46:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:46:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:46:39,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:46:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:46:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:46:39,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:46:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:46:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:46:39,513 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 10:46:39,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:46:39,716 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 10:46:39,716 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:46:39,718 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:46:39 BoogieIcfgContainer [2021-07-01 10:46:39,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:46:39,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:46:39,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:46:39,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:46:39,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:39" (1/2) ... [2021-07-01 10:46:39,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26dfd8e7 and model type bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:46:39, skipping insertion in model container [2021-07-01 10:46:39,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:46:39" (2/2) ... [2021-07-01 10:46:39,725 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert07.bpl [2021-07-01 10:46:39,740 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:46:39,741 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:46:39,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:46:39,742 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:46:39,811 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:46:39,850 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 10:46:39,893 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:46:39,894 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:46:39,894 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:46:39,894 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:46:39,894 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:46:39,894 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:46:39,894 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:46:39,895 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 10:46:39,924 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:39,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:39,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1176200514, now seen corresponding path program 1 times [2021-07-01 10:46:39,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:39,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172324371] [2021-07-01 10:46:39,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:40,111 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 10:46:40,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:40,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172324371] [2021-07-01 10:46:40,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172324371] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:40,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:40,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 10:46:40,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606441756] [2021-07-01 10:46:40,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 10:46:40,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:40,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 10:46:40,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 10:46:40,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:40,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:40,128 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 10:46:40,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:40,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:40,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:46:40,284 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:40,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:40,285 INFO L82 PathProgramCache]: Analyzing trace with hash 474230245, now seen corresponding path program 1 times [2021-07-01 10:46:40,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:40,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022828902] [2021-07-01 10:46:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:40,329 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 10:46:40,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:40,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022828902] [2021-07-01 10:46:40,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022828902] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:40,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:40,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:46:40,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785634531] [2021-07-01 10:46:40,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:46:40,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:40,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:46:40,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:46:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:40,335 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:40,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 10:46:40,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:40,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:40,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:40,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:40,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:46:40,852 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:40,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:40,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1992115702, now seen corresponding path program 1 times [2021-07-01 10:46:40,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:40,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181020939] [2021-07-01 10:46:40,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:40,947 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 10:46:40,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:40,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181020939] [2021-07-01 10:46:40,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181020939] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:40,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:40,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 10:46:40,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657724954] [2021-07-01 10:46:40,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:46:40,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:40,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:46:40,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:46:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:40,952 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:40,952 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 10:46:40,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:40,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:40,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:41,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:41,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:46:41,139 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:41,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:41,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1991579092, now seen corresponding path program 2 times [2021-07-01 10:46:41,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:41,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310985593] [2021-07-01 10:46:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:41,263 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 10:46:41,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:41,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310985593] [2021-07-01 10:46:41,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310985593] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:41,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:41,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 10:46:41,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968497621] [2021-07-01 10:46:41,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:46:41,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:41,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:46:41,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:46:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:41,269 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:41,269 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 10:46:41,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:41,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:41,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 10:46:41,635 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:41,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:41,635 INFO L82 PathProgramCache]: Analyzing trace with hash -968274319, now seen corresponding path program 1 times [2021-07-01 10:46:41,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:41,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235211526] [2021-07-01 10:46:41,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 10:46:41,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:41,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235211526] [2021-07-01 10:46:41,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235211526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:41,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941372712] [2021-07-01 10:46:41,775 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 10:46:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:41,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-01 10:46:41,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:46:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 10:46:41,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941372712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:41,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:46:41,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 10:46:41,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179935705] [2021-07-01 10:46:41,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:46:41,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:41,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:46:41,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:46:41,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:41,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:41,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 10:46:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:46:42,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:46:42,619 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:42,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:42,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1249826512, now seen corresponding path program 1 times [2021-07-01 10:46:42,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:42,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526492716] [2021-07-01 10:46:42,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 10:46:42,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:42,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526492716] [2021-07-01 10:46:42,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526492716] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:42,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:42,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 10:46:42,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118543399] [2021-07-01 10:46:42,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:46:42,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:42,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:46:42,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:46:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:42,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:42,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 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 10:46:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:46:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:46:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:50,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-01 10:46:50,671 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 10:46:50,673 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 10:46:50,687 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:46:50,687 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:46:50,688 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:46:50,688 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:46:50,688 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:46:50,688 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:46:50,688 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:46:50,688 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:46:53,847 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 10:46:53,847 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:46:53,849 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:46:53 BasicIcfg [2021-07-01 10:46:53,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:46:53,850 INFO L168 Benchmark]: Toolchain (without parser) took 14467.87 ms. Allocated memory was 176.2 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 156.9 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-01 10:46:53,850 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 158.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:46:53,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.30 ms. Allocated memory is still 176.2 MB. Free memory was 156.8 MB in the beginning and 155.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:46:53,851 INFO L168 Benchmark]: Boogie Preprocessor took 16.90 ms. Allocated memory is still 176.2 MB. Free memory was 155.1 MB in the beginning and 154.2 MB in the end (delta: 936.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:46:53,851 INFO L168 Benchmark]: RCFGBuilder took 276.32 ms. Allocated memory is still 176.2 MB. Free memory was 154.1 MB in the beginning and 141.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 10:46:53,851 INFO L168 Benchmark]: TraceAbstraction took 14129.61 ms. Allocated memory was 176.2 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 140.7 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-01 10:46:53,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 158.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.30 ms. Allocated memory is still 176.2 MB. Free memory was 156.8 MB in the beginning and 155.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.90 ms. Allocated memory is still 176.2 MB. Free memory was 155.1 MB in the beginning and 154.2 MB in the end (delta: 936.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 276.32 ms. Allocated memory is still 176.2 MB. Free memory was 154.1 MB in the beginning and 141.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14129.61 ms. Allocated memory was 176.2 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 140.7 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.1 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: 686853, positive: 651707, positive conditional: 651707, positive unconditional: 0, negative: 35146, negative conditional: 35146, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 660309, positive: 651707, positive conditional: 651707, positive unconditional: 0, negative: 8602, negative conditional: 8602, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 660309, positive: 567590, positive conditional: 0, positive unconditional: 567590, negative: 92719, negative conditional: 0, negative unconditional: 92719, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 499, positive: 412, positive conditional: 0, positive unconditional: 412, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 499, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 156, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 587, positive: 234, positive conditional: 165, positive unconditional: 69, negative: 353, negative conditional: 266, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, positive: 406, positive conditional: 233, positive unconditional: 172, negative: 625, negative conditional: 428, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 660309, positive: 567178, positive conditional: 0, positive unconditional: 567178, negative: 92632, negative conditional: 0, negative unconditional: 92632, unknown: 499, unknown conditional: 0, unknown unconditional: 499] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 577, Positive conditional cache size: 165, Positive unconditional cache size: 412, Negative cache size: 353, Negative conditional cache size: 266, Negative unconditional cache size: 87, SemanticConditionEliminator.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 587, positive: 234, positive conditional: 165, positive unconditional: 69, negative: 353, negative conditional: 266, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, positive: 406, positive conditional: 233, positive unconditional: 172, negative: 625, negative conditional: 428, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 278400, positive: 83952, positive conditional: 83952, positive unconditional: 0, negative: 194017, negative conditional: 96574, negative unconditional: 97443, unknown: 431, unknown conditional: 431, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 577, Positive conditional cache size: 165, Positive unconditional cache size: 412, Negative cache size: 353, Negative conditional cache size: 266, Negative unconditional cache size: 87, Eliminated conditions: 97443, SemanticConditionEliminator.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 587, positive: 234, positive conditional: 165, positive unconditional: 69, negative: 353, negative conditional: 266, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, positive: 406, positive conditional: 233, positive unconditional: 172, negative: 625, negative conditional: 428, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 278400, positive: 83952, positive conditional: 83952, positive unconditional: 0, negative: 194017, negative conditional: 96574, negative unconditional: 97443, unknown: 431, unknown conditional: 431, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 577, Positive conditional cache size: 165, Positive unconditional cache size: 412, Negative cache size: 353, Negative conditional cache size: 266, Negative unconditional cache size: 87, Eliminated conditions: 97443, SemanticConditionEliminator.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 587, positive: 234, positive conditional: 165, positive unconditional: 69, negative: 353, negative conditional: 266, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, positive: 406, positive conditional: 233, positive unconditional: 172, negative: 625, negative conditional: 428, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 278400, positive: 83952, positive conditional: 83952, positive unconditional: 0, negative: 194017, negative conditional: 96574, negative unconditional: 97443, unknown: 431, unknown conditional: 431, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 577, Positive conditional cache size: 165, Positive unconditional cache size: 412, Negative cache size: 353, Negative conditional cache size: 266, Negative unconditional cache size: 87, Eliminated conditions: 97443, SemanticConditionEliminator.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 587, positive: 234, positive conditional: 165, positive unconditional: 69, negative: 353, negative conditional: 266, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, positive: 406, positive conditional: 233, positive unconditional: 172, negative: 625, negative conditional: 428, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 278400, positive: 83952, positive conditional: 83952, positive unconditional: 0, negative: 194017, negative conditional: 96574, negative unconditional: 97443, unknown: 431, unknown conditional: 431, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 577, Positive conditional cache size: 165, Positive unconditional cache size: 412, Negative cache size: 353, Negative conditional cache size: 266, Negative unconditional cache size: 87, Eliminated conditions: 97443, SemanticConditionEliminator.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 587, positive: 234, positive conditional: 165, positive unconditional: 69, negative: 353, negative conditional: 266, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, positive: 406, positive conditional: 233, positive unconditional: 172, negative: 625, negative conditional: 428, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 278400, positive: 83952, positive conditional: 83952, positive unconditional: 0, negative: 194017, negative conditional: 96574, negative unconditional: 97443, unknown: 431, unknown conditional: 431, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 577, Positive conditional cache size: 165, Positive unconditional cache size: 412, Negative cache size: 353, Negative conditional cache size: 266, Negative unconditional cache size: 87, Eliminated conditions: 97443, SemanticConditionEliminator.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278400, positive: 84117, positive conditional: 84117, positive unconditional: 0, negative: 194283, negative conditional: 96840, negative unconditional: 97443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 587, positive: 234, positive conditional: 165, positive unconditional: 69, negative: 353, negative conditional: 266, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1031, positive: 406, positive conditional: 233, positive unconditional: 172, negative: 625, negative conditional: 428, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 278400, positive: 83952, positive conditional: 83952, positive unconditional: 0, negative: 194017, negative conditional: 96574, negative unconditional: 97443, unknown: 431, unknown conditional: 431, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 930, Positive cache size: 577, Positive conditional cache size: 165, Positive unconditional cache size: 412, Negative cache size: 353, Negative conditional cache size: 266, Negative unconditional cache size: 87, Eliminated conditions: 97443 ], Maximal queried relation: 6, Independence queries for same thread: 26544 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 906491, positive: 698687, positive conditional: 698687, positive unconditional: 0, negative: 207804, negative conditional: 207804, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 827840, positive: 698687, positive conditional: 698687, positive unconditional: 0, negative: 129153, negative conditional: 129153, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 827840, positive: 698687, positive conditional: 0, positive unconditional: 698687, negative: 129153, negative conditional: 0, negative unconditional: 129153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 418, positive: 333, positive conditional: 0, positive unconditional: 333, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 418, positive: 285, positive conditional: 0, positive unconditional: 285, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 293, positive: 190, positive conditional: 0, positive unconditional: 190, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 827840, positive: 698354, positive conditional: 0, positive unconditional: 698354, negative: 129068, negative conditional: 0, negative unconditional: 129068, unknown: 418, unknown conditional: 0, unknown unconditional: 418] , Statistics on independence cache: Total cache size (in pairs): 418, Positive cache size: 333, Positive conditional cache size: 0, Positive unconditional cache size: 333, Negative cache size: 85, Negative conditional cache size: 0, Negative unconditional cache size: 85 ], Maximal queried relation: 0, Independence queries for same thread: 78651 - PositiveResult [Line: 76]: 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 11 procedures, 62 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10807.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 9595.8ms, 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: 14.9ms SsaConstructionTime, 88.5ms SatisfiabilityAnalysisTime, 638.6ms InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 14/16 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 11 procedures, 62 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3173.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 3156.7ms, 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...