/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 11:50:59,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 11:50:59,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 11:50:59,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 11:50:59,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 11:50:59,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 11:50:59,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 11:50:59,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 11:50:59,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 11:50:59,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 11:50:59,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 11:50:59,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 11:50:59,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 11:50:59,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 11:50:59,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 11:50:59,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 11:50:59,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 11:50:59,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-01 11:50:59,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-01 11:50:59,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-01 11:50:59,409 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-Random7777.epf [2021-07-01 11:50:59,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 11:50:59,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 11:50:59,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 11:50:59,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 11:50:59,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 11:50:59,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 11:50:59,450 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 11:50:59,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 11:50:59,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 11:50:59,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 11:50:59,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 11:50:59,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 11:50:59,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 11:50:59,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 11:50:59,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 11:50:59,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 11:50:59,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 11:50:59,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 11:50:59,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 11:50:59,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 11:50:59,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 11:50:59,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 11:50:59,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 11:50:59,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:50:59,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 11:50:59,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 11:50:59,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 11:50:59,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 11:50:59,454 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-01 11:50:59,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 11:50:59,454 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 11:50:59,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 11:50:59,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 11:50:59,455 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 11:50:59,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-01 11:50:59,455 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 11:50:59,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 11:50:59,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 11:50:59,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 11:50:59,792 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 11:50:59,793 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 11:50:59,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl [2021-07-01 11:50:59,794 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert04.bpl' [2021-07-01 11:50:59,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 11:50:59,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 11:50:59,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:59,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 11:50:59,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 11:50:59,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 11:50:59,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 11:50:59,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 11:50:59,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 11:50:59,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... [2021-07-01 11:50:59,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 11:50:59,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 11:50:59,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 11:50:59,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 11:50:59,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 11:50:59,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 11:50:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 11:50:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 11:50:59,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 11:50:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 11:50:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 11:50:59,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 11:50:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 11:50:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 11:50:59,933 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-01 11:51:00,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 11:51:00,123 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 11:51:00,123 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 11:51:00,125 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:51:00 BoogieIcfgContainer [2021-07-01 11:51:00,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 11:51:00,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 11:51:00,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 11:51:00,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 11:51:00,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 11:50:59" (1/2) ... [2021-07-01 11:51:00,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e2d2ea and model type bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:51:00, skipping insertion in model container [2021-07-01 11:51:00,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:51:00" (2/2) ... [2021-07-01 11:51:00,131 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert04.bpl [2021-07-01 11:51:00,135 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 11:51:00,135 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 11:51:00,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 11:51:00,136 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 11:51:00,191 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 11:51:00,210 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 11:51:00,266 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:51:00,266 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:51:00,267 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:51:00,267 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:51:00,267 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:51:00,267 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:51:00,267 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:51:00,267 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 11:51:00,418 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:00,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:00,428 INFO L82 PathProgramCache]: Analyzing trace with hash 286396234, now seen corresponding path program 1 times [2021-07-01 11:51:00,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:00,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140766974] [2021-07-01 11:51:00,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-01 11:51:00,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:00,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140766974] [2021-07-01 11:51:00,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140766974] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:00,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:51:00,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 11:51:00,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319379359] [2021-07-01 11:51:00,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:51:00,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:00,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:51:00,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:51:00,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:00,628 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:00,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:00,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:00,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:00,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 11:51:00,699 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:00,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:00,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1928535429, now seen corresponding path program 1 times [2021-07-01 11:51:00,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:00,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476200194] [2021-07-01 11:51:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-01 11:51:00,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:00,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476200194] [2021-07-01 11:51:00,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476200194] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:00,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:51:00,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:51:00,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841876663] [2021-07-01 11:51:00,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 11:51:00,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:00,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 11:51:00,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-01 11:51:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:00,811 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:00,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:00,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:00,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:00,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:00,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:00,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 11:51:00,890 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:00,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:00,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1646187156, now seen corresponding path program 1 times [2021-07-01 11:51:00,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:00,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121017080] [2021-07-01 11:51:00,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:00,932 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 11:51:00,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:00,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121017080] [2021-07-01 11:51:00,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121017080] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 11:51:00,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 11:51:00,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 11:51:00,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188692690] [2021-07-01 11:51:00,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 11:51:00,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:00,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 11:51:00,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 11:51:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:00,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:00,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:00,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:00,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:00,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:01,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:01,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 11:51:01,111 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:01,112 INFO L82 PathProgramCache]: Analyzing trace with hash -145527977, now seen corresponding path program 1 times [2021-07-01 11:51:01,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:01,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757770289] [2021-07-01 11:51:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:51:01,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:01,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757770289] [2021-07-01 11:51:01,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757770289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:01,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925379738] [2021-07-01 11:51:01,183 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 11:51:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:01,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-01 11:51:01,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:51:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-01 11:51:01,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925379738] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:01,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:51:01,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-01 11:51:01,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259856589] [2021-07-01 11:51:01,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-01 11:51:01,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:01,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-01 11:51:01,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-01 11:51:01,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:01,426 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:01,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:01,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:01,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:01,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:01,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:01,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:01,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:01,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:01,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:01,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:01,823 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:01,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:01,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1343170746, now seen corresponding path program 1 times [2021-07-01 11:51:01,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:01,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043105037] [2021-07-01 11:51:01,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:51:01,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:01,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043105037] [2021-07-01 11:51:01,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043105037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:01,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116638407] [2021-07-01 11:51:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:02,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-01 11:51:02,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:51:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-01 11:51:02,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116638407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:02,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:51:02,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 11:51:02,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630453519] [2021-07-01 11:51:02,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 11:51:02,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:02,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 11:51:02,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 11:51:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:02,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:02,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 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 11:51:02,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:02,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:02,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:02,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:02,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:02,587 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:02,587 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 11:51:02,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 11:51:02,588 INFO L82 PathProgramCache]: Analyzing trace with hash -844765495, now seen corresponding path program 1 times [2021-07-01 11:51:02,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 11:51:02,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067667523] [2021-07-01 11:51:02,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 11:51:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:51:02,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 11:51:02,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067667523] [2021-07-01 11:51:02,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067667523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:02,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669910695] [2021-07-01 11:51:02,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 11:51:02,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-01 11:51:02,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 11:51:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-01 11:51:02,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669910695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 11:51:02,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 11:51:02,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-01 11:51:02,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082518016] [2021-07-01 11:51:02,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-01 11:51:02,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 11:51:02,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-01 11:51:02,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2021-07-01 11:51:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:02,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 11:51:02,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 11:51:02,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-01 11:51:02,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:02,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:02,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:02,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:02,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 11:51:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 11:51:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 11:51:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 11:51:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 11:51:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-01 11:51:03,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 11:51:03,718 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 11:51:03,726 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-01 11:51:03,731 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 11:51:03,731 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 11:51:03,731 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 11:51:03,731 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 11:51:03,731 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 11:51:03,731 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 11:51:03,731 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 11:51:03,731 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 11:51:03,920 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 11:51:03,920 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 11:51:03,922 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:51:03 BasicIcfg [2021-07-01 11:51:03,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 11:51:03,923 INFO L168 Benchmark]: Toolchain (without parser) took 4107.99 ms. Allocated memory was 255.9 MB in the beginning and 392.2 MB in the end (delta: 136.3 MB). Free memory was 236.0 MB in the beginning and 154.0 MB in the end (delta: 82.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:03,923 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 11:51:03,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.42 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:03,924 INFO L168 Benchmark]: Boogie Preprocessor took 12.84 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 233.2 MB in the end (delta: 885.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:03,924 INFO L168 Benchmark]: RCFGBuilder took 264.82 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 220.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:03,924 INFO L168 Benchmark]: TraceAbstraction took 3796.33 ms. Allocated memory was 255.9 MB in the beginning and 392.2 MB in the end (delta: 136.3 MB). Free memory was 220.0 MB in the beginning and 154.0 MB in the end (delta: 66.0 MB). Peak memory consumption was 203.2 MB. Max. memory is 8.0 GB. [2021-07-01 11:51:03,924 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 255.9 MB. Free memory is still 237.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.42 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.84 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 233.2 MB in the end (delta: 885.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 264.82 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 220.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3796.33 ms. Allocated memory was 255.9 MB in the beginning and 392.2 MB in the end (delta: 136.3 MB). Free memory was 220.0 MB in the beginning and 154.0 MB in the end (delta: 66.0 MB). Peak memory consumption was 203.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23629, positive: 21667, positive conditional: 21667, positive unconditional: 0, negative: 1962, negative conditional: 1962, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 21970, positive: 21667, positive conditional: 21667, positive unconditional: 0, negative: 303, negative conditional: 303, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 21970, positive: 19618, positive conditional: 0, positive unconditional: 19618, negative: 2352, negative conditional: 0, negative unconditional: 2352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 247, positive: 110, positive conditional: 80, positive unconditional: 30, negative: 137, negative conditional: 101, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 488, positive: 255, positive conditional: 117, positive unconditional: 138, negative: 233, negative conditional: 135, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21970, positive: 19408, positive conditional: 0, positive unconditional: 19408, negative: 2316, negative conditional: 0, negative unconditional: 2316, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 290, Positive conditional cache size: 80, Positive unconditional cache size: 210, Negative cache size: 137, Negative conditional cache size: 101, Negative unconditional cache size: 36, SemanticConditionEliminator.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 247, positive: 110, positive conditional: 80, positive unconditional: 30, negative: 137, negative conditional: 101, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 488, positive: 255, positive conditional: 117, positive unconditional: 138, negative: 233, negative conditional: 135, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7831, positive: 1969, positive conditional: 1969, positive unconditional: 0, negative: 5681, negative conditional: 2527, negative unconditional: 3154, unknown: 181, unknown conditional: 181, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 290, Positive conditional cache size: 80, Positive unconditional cache size: 210, Negative cache size: 137, Negative conditional cache size: 101, Negative unconditional cache size: 36, Eliminated conditions: 3154, SemanticConditionEliminator.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 247, positive: 110, positive conditional: 80, positive unconditional: 30, negative: 137, negative conditional: 101, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 488, positive: 255, positive conditional: 117, positive unconditional: 138, negative: 233, negative conditional: 135, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7831, positive: 1969, positive conditional: 1969, positive unconditional: 0, negative: 5681, negative conditional: 2527, negative unconditional: 3154, unknown: 181, unknown conditional: 181, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 290, Positive conditional cache size: 80, Positive unconditional cache size: 210, Negative cache size: 137, Negative conditional cache size: 101, Negative unconditional cache size: 36, Eliminated conditions: 3154, SemanticConditionEliminator.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 247, positive: 110, positive conditional: 80, positive unconditional: 30, negative: 137, negative conditional: 101, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 488, positive: 255, positive conditional: 117, positive unconditional: 138, negative: 233, negative conditional: 135, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7831, positive: 1969, positive conditional: 1969, positive unconditional: 0, negative: 5681, negative conditional: 2527, negative unconditional: 3154, unknown: 181, unknown conditional: 181, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 290, Positive conditional cache size: 80, Positive unconditional cache size: 210, Negative cache size: 137, Negative conditional cache size: 101, Negative unconditional cache size: 36, Eliminated conditions: 3154, SemanticConditionEliminator.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 247, positive: 110, positive conditional: 80, positive unconditional: 30, negative: 137, negative conditional: 101, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 488, positive: 255, positive conditional: 117, positive unconditional: 138, negative: 233, negative conditional: 135, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7831, positive: 1969, positive conditional: 1969, positive unconditional: 0, negative: 5681, negative conditional: 2527, negative unconditional: 3154, unknown: 181, unknown conditional: 181, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 290, Positive conditional cache size: 80, Positive unconditional cache size: 210, Negative cache size: 137, Negative conditional cache size: 101, Negative unconditional cache size: 36, Eliminated conditions: 3154, SemanticConditionEliminator.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 247, positive: 110, positive conditional: 80, positive unconditional: 30, negative: 137, negative conditional: 101, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 488, positive: 255, positive conditional: 117, positive unconditional: 138, negative: 233, negative conditional: 135, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7831, positive: 1969, positive conditional: 1969, positive unconditional: 0, negative: 5681, negative conditional: 2527, negative unconditional: 3154, unknown: 181, unknown conditional: 181, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 290, Positive conditional cache size: 80, Positive unconditional cache size: 210, Negative cache size: 137, Negative conditional cache size: 101, Negative unconditional cache size: 36, Eliminated conditions: 3154, SemanticConditionEliminator.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7831, positive: 2049, positive conditional: 2049, positive unconditional: 0, negative: 5782, negative conditional: 2628, negative unconditional: 3154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 247, positive: 110, positive conditional: 80, positive unconditional: 30, negative: 137, negative conditional: 101, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 488, positive: 255, positive conditional: 117, positive unconditional: 138, negative: 233, negative conditional: 135, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7831, positive: 1969, positive conditional: 1969, positive unconditional: 0, negative: 5681, negative conditional: 2527, negative unconditional: 3154, unknown: 181, unknown conditional: 181, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 290, Positive conditional cache size: 80, Positive unconditional cache size: 210, Negative cache size: 137, Negative conditional cache size: 101, Negative unconditional cache size: 36, Eliminated conditions: 3154 ], Maximal queried relation: 6, Independence queries for same thread: 1659 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12139, positive: 7936, positive conditional: 7936, positive unconditional: 0, negative: 4203, negative conditional: 4203, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10355, positive: 7936, positive conditional: 7936, positive unconditional: 0, negative: 2419, negative conditional: 2419, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10355, positive: 7936, positive conditional: 0, positive unconditional: 7936, negative: 2419, negative conditional: 0, negative unconditional: 2419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 219, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 219, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10355, positive: 7763, positive conditional: 0, positive unconditional: 7763, negative: 2373, negative conditional: 0, negative unconditional: 2373, unknown: 219, unknown conditional: 0, unknown unconditional: 219] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 173, Positive conditional cache size: 0, Positive unconditional cache size: 173, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46 ], Maximal queried relation: 0, Independence queries for same thread: 1784 - PositiveResult [Line: 73]: 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 8 procedures, 47 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3488.5ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 1495.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, 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: 30.5ms SsaConstructionTime, 116.8ms SatisfiabilityAnalysisTime, 928.1ms InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 1097 SizeOfPredicates, 4 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 40/64 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 8 procedures, 47 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 193.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 186.9ms, 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...