/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-serverassert09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-1c3aa5735269c4be989a50fc1da9ea7b9492ef29-1c3aa57 [2021-07-01 10:46:43,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-01 10:46:43,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-01 10:46:43,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-01 10:46:43,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-01 10:46:43,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-01 10:46:43,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-01 10:46:43,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-01 10:46:43,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-01 10:46:43,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-01 10:46:43,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-01 10:46:43,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-01 10:46:43,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-01 10:46:43,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-01 10:46:43,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-01 10:46:43,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-01 10:46:43,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-01 10:46:43,171 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 10:46:43,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-01 10:46:43,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-01 10:46:43,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-01 10:46:43,211 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-01 10:46:43,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-01 10:46:43,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-01 10:46:43,214 INFO L138 SettingsManager]: * Use SBE=true [2021-07-01 10:46:43,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-01 10:46:43,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-01 10:46:43,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-01 10:46:43,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-01 10:46:43,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-01 10:46:43,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-01 10:46:43,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-01 10:46:43,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-01 10:46:43,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-01 10:46:43,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-01 10:46:43,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-01 10:46:43,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-01 10:46:43,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-01 10:46:43,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-01 10:46:43,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-01 10:46:43,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-01 10:46:43,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-01 10:46:43,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-01 10:46:43,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-01 10:46:43,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-01 10:46:43,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-01 10:46:43,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-01 10:46:43,218 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-01 10:46:43,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-01 10:46:43,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-01 10:46:43,219 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-01 10:46:43,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-01 10:46:43,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-01 10:46:43,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-01 10:46:43,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-01 10:46:43,566 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-01 10:46:43,567 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-01 10:46:43,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert09.bpl [2021-07-01 10:46:43,568 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-serverassert09.bpl' [2021-07-01 10:46:43,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-01 10:46:43,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-01 10:46:43,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-01 10:46:43,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-01 10:46:43,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-01 10:46:43,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-01 10:46:43,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-01 10:46:43,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-01 10:46:43,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-01 10:46:43,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/1) ... [2021-07-01 10:46:43,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-01 10:46:43,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-01 10:46:43,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-01 10:46:43,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-01 10:46:43,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (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 10:46:43,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-01 10:46:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-01 10:46:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-01 10:46:43,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-01 10:46:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-01 10:46:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-01 10:46:43,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-01 10:46:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-01 10:46:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-01 10:46:43,702 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 10:46:43,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-01 10:46:43,925 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-01 10:46:43,925 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-01 10:46:43,927 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:46:43 BoogieIcfgContainer [2021-07-01 10:46:43,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-01 10:46:43,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-01 10:46:43,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-01 10:46:43,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-01 10:46:43,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.07 10:46:43" (1/2) ... [2021-07-01 10:46:43,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e847875 and model type bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:46:43, skipping insertion in model container [2021-07-01 10:46:43,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:46:43" (2/2) ... [2021-07-01 10:46:43,933 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-serverassert09.bpl [2021-07-01 10:46:43,950 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-01 10:46:43,951 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-01 10:46:43,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-01 10:46:43,952 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-01 10:46:44,052 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-01 10:46:44,074 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 10:46:44,144 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:46:44,144 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:46:44,144 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:46:44,144 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:46:44,144 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:46:44,145 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:46:44,145 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:46:44,145 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ServerThreadThread1of1ForFork0======== [2021-07-01 10:46:44,198 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:44,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:44,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1971206588, now seen corresponding path program 1 times [2021-07-01 10:46:44,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:44,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085025671] [2021-07-01 10:46:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:44,401 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 10:46:44,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:44,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085025671] [2021-07-01 10:46:44,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085025671] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:44,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:44,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-01 10:46:44,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92136799] [2021-07-01 10:46:44,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-01 10:46:44,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:44,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-01 10:46:44,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-01 10:46:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:44,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:44,436 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 10:46:44,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-01 10:46:44,628 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:44,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:44,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1231021173, now seen corresponding path program 1 times [2021-07-01 10:46:44,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:44,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334248772] [2021-07-01 10:46:44,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:44,686 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 10:46:44,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:44,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334248772] [2021-07-01 10:46:44,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334248772] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:44,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:44,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-01 10:46:44,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276625250] [2021-07-01 10:46:44,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-01 10:46:44,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:44,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-01 10:46:44,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-01 10:46:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:44,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:44,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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 10:46:44,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:44,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:46,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:46,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-01 10:46:46,102 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:46,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:46,103 INFO L82 PathProgramCache]: Analyzing trace with hash 454327392, now seen corresponding path program 1 times [2021-07-01 10:46:46,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:46,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918522238] [2021-07-01 10:46:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:46,247 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 10:46:46,248 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:46,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918522238] [2021-07-01 10:46:46,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918522238] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:46,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:46,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-01 10:46:46,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080432092] [2021-07-01 10:46:46,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:46:46,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:46,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:46:46,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:46:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:46,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:46,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-01 10:46:46,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:46,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:46,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:46,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-01 10:46:46,833 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:46,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:46,833 INFO L82 PathProgramCache]: Analyzing trace with hash 453612222, now seen corresponding path program 2 times [2021-07-01 10:46:46,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:46,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085951663] [2021-07-01 10:46:46,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:46,888 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 10:46:46,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:46,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085951663] [2021-07-01 10:46:46,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085951663] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:46,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:46,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-01 10:46:46,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090880093] [2021-07-01 10:46:46,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:46:46,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:46,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:46:46,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:46:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:46,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:46,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 4.285714285714286) 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 10:46:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:47,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:47,594 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-01 10:46:47,597 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:47,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:47,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1855510501, now seen corresponding path program 1 times [2021-07-01 10:46:47,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:47,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587214167] [2021-07-01 10:46:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:47,694 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 10:46:47,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:47,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587214167] [2021-07-01 10:46:47,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587214167] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:47,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686013883] [2021-07-01 10:46:47,696 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 10:46:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:47,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-01 10:46:47,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-01 10:46:47,915 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 10:46:47,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686013883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-01 10:46:47,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-01 10:46:47,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-01 10:46:47,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703966111] [2021-07-01 10:46:47,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-01 10:46:47,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:47,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-01 10:46:47,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-01 10:46:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:47,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:47,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 10:46:47,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:47,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:47,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:47,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:47,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:46:48,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-01 10:46:48,877 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ServerThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-07-01 10:46:48,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-01 10:46:48,877 INFO L82 PathProgramCache]: Analyzing trace with hash -594641574, now seen corresponding path program 1 times [2021-07-01 10:46:48,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-01 10:46:48,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721080482] [2021-07-01 10:46:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-01 10:46:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-01 10:46:48,948 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 10:46:48,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-01 10:46:48,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721080482] [2021-07-01 10:46:48,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721080482] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-01 10:46:48,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-01 10:46:48,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-01 10:46:48,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480278760] [2021-07-01 10:46:48,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-01 10:46:48,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-01 10:46:48,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-01 10:46:48,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-07-01 10:46:48,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:46:48,950 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-01 10:46:48,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 7 states have internal predecessors, (34), 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 10:46:48,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:48,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:46:48,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:46:48,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:46:48,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:46:48,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-01 10:48:35,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:48:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-01 10:48:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-01 10:48:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:48:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-01 10:48:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-01 10:48:35,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-01 10:48:35,033 INFO L301 ceAbstractionStarter]: Result for error location ServerThreadThread1of1ForFork0 was SAFE (1/2) [2021-07-01 10:48:35,035 INFO L255 AbstractCegarLoop]: Starting to check reachability of 10 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 10:48:35,052 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-01 10:48:35,052 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-01 10:48:35,052 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-01 10:48:35,052 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-01 10:48:35,052 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-01 10:48:35,052 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-01 10:48:35,052 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-01 10:48:35,052 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-01 10:49:45,686 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-01 10:49:45,686 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-01 10:49:45,690 INFO L202 PluginConnector]: Adding new model bluetooth-serverassert09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:49:45 BasicIcfg [2021-07-01 10:49:45,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-01 10:49:45,691 INFO L168 Benchmark]: Toolchain (without parser) took 182100.82 ms. Allocated memory was 177.2 MB in the beginning and 7.4 GB in the end (delta: 7.3 GB). Free memory was 156.8 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.7 GB. Max. memory is 8.0 GB. [2021-07-01 10:49:45,695 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 177.2 MB. Free memory is still 157.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-01 10:49:45,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 177.2 MB. Free memory was 156.7 MB in the beginning and 154.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-01 10:49:45,701 INFO L168 Benchmark]: Boogie Preprocessor took 13.26 ms. Allocated memory is still 177.2 MB. Free memory was 154.9 MB in the beginning and 154.0 MB in the end (delta: 948.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-01 10:49:45,701 INFO L168 Benchmark]: RCFGBuilder took 293.56 ms. Allocated memory is still 177.2 MB. Free memory was 154.0 MB in the beginning and 140.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-01 10:49:45,701 INFO L168 Benchmark]: TraceAbstraction took 181761.66 ms. Allocated memory was 177.2 MB in the beginning and 7.4 GB in the end (delta: 7.3 GB). Free memory was 140.1 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.7 GB. Max. memory is 8.0 GB. [2021-07-01 10:49:45,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 177.2 MB. Free memory is still 157.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 177.2 MB. Free memory was 156.7 MB in the beginning and 154.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.26 ms. Allocated memory is still 177.2 MB. Free memory was 154.9 MB in the beginning and 154.0 MB in the end (delta: 948.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 293.56 ms. Allocated memory is still 177.2 MB. Free memory was 154.0 MB in the beginning and 140.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 181761.66 ms. Allocated memory was 177.2 MB in the beginning and 7.4 GB in the end (delta: 7.3 GB). Free memory was 140.1 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.7 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: 7361049, positive: 7068063, positive conditional: 7068063, positive unconditional: 0, negative: 292986, negative conditional: 292986, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7143347, positive: 7068063, positive conditional: 7068063, positive unconditional: 0, negative: 75284, negative conditional: 75284, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7143347, positive: 6100695, positive conditional: 0, positive unconditional: 6100695, negative: 1042652, negative conditional: 0, negative unconditional: 1042652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 747, positive: 618, positive conditional: 0, positive unconditional: 618, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 747, positive: 511, positive conditional: 0, positive unconditional: 511, negative: 236, negative conditional: 0, negative unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 236, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 901, positive: 374, positive conditional: 267, positive unconditional: 107, negative: 527, negative conditional: 398, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1480, positive: 619, positive conditional: 373, positive unconditional: 246, negative: 861, negative conditional: 609, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7143347, positive: 6100077, positive conditional: 0, positive unconditional: 6100077, negative: 1042523, negative conditional: 0, negative unconditional: 1042523, unknown: 747, unknown conditional: 0, unknown unconditional: 747] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 885, Positive conditional cache size: 267, Positive unconditional cache size: 618, Negative cache size: 527, Negative conditional cache size: 398, Negative unconditional cache size: 129, SemanticConditionEliminator.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 901, positive: 374, positive conditional: 267, positive unconditional: 107, negative: 527, negative conditional: 398, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1480, positive: 619, positive conditional: 373, positive unconditional: 246, negative: 861, negative conditional: 609, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3085120, positive: 967101, positive conditional: 967101, positive unconditional: 0, negative: 2117354, negative conditional: 1004409, negative unconditional: 1112945, unknown: 665, unknown conditional: 665, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 885, Positive conditional cache size: 267, Positive unconditional cache size: 618, Negative cache size: 527, Negative conditional cache size: 398, Negative unconditional cache size: 129, Eliminated conditions: 1112945, SemanticConditionEliminator.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 901, positive: 374, positive conditional: 267, positive unconditional: 107, negative: 527, negative conditional: 398, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1480, positive: 619, positive conditional: 373, positive unconditional: 246, negative: 861, negative conditional: 609, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3085120, positive: 967101, positive conditional: 967101, positive unconditional: 0, negative: 2117354, negative conditional: 1004409, negative unconditional: 1112945, unknown: 665, unknown conditional: 665, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 885, Positive conditional cache size: 267, Positive unconditional cache size: 618, Negative cache size: 527, Negative conditional cache size: 398, Negative unconditional cache size: 129, Eliminated conditions: 1112945, SemanticConditionEliminator.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 901, positive: 374, positive conditional: 267, positive unconditional: 107, negative: 527, negative conditional: 398, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1480, positive: 619, positive conditional: 373, positive unconditional: 246, negative: 861, negative conditional: 609, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3085120, positive: 967101, positive conditional: 967101, positive unconditional: 0, negative: 2117354, negative conditional: 1004409, negative unconditional: 1112945, unknown: 665, unknown conditional: 665, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 885, Positive conditional cache size: 267, Positive unconditional cache size: 618, Negative cache size: 527, Negative conditional cache size: 398, Negative unconditional cache size: 129, Eliminated conditions: 1112945, SemanticConditionEliminator.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 901, positive: 374, positive conditional: 267, positive unconditional: 107, negative: 527, negative conditional: 398, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1480, positive: 619, positive conditional: 373, positive unconditional: 246, negative: 861, negative conditional: 609, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3085120, positive: 967101, positive conditional: 967101, positive unconditional: 0, negative: 2117354, negative conditional: 1004409, negative unconditional: 1112945, unknown: 665, unknown conditional: 665, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 885, Positive conditional cache size: 267, Positive unconditional cache size: 618, Negative cache size: 527, Negative conditional cache size: 398, Negative unconditional cache size: 129, Eliminated conditions: 1112945, SemanticConditionEliminator.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 901, positive: 374, positive conditional: 267, positive unconditional: 107, negative: 527, negative conditional: 398, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1480, positive: 619, positive conditional: 373, positive unconditional: 246, negative: 861, negative conditional: 609, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3085120, positive: 967101, positive conditional: 967101, positive unconditional: 0, negative: 2117354, negative conditional: 1004409, negative unconditional: 1112945, unknown: 665, unknown conditional: 665, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 885, Positive conditional cache size: 267, Positive unconditional cache size: 618, Negative cache size: 527, Negative conditional cache size: 398, Negative unconditional cache size: 129, Eliminated conditions: 1112945, SemanticConditionEliminator.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3085120, positive: 967368, positive conditional: 967368, positive unconditional: 0, negative: 2117752, negative conditional: 1004807, negative unconditional: 1112945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 901, positive: 374, positive conditional: 267, positive unconditional: 107, negative: 527, negative conditional: 398, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1480, positive: 619, positive conditional: 373, positive unconditional: 246, negative: 861, negative conditional: 609, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3085120, positive: 967101, positive conditional: 967101, positive unconditional: 0, negative: 2117354, negative conditional: 1004409, negative unconditional: 1112945, unknown: 665, unknown conditional: 665, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 885, Positive conditional cache size: 267, Positive unconditional cache size: 618, Negative cache size: 527, Negative conditional cache size: 398, Negative unconditional cache size: 129, Eliminated conditions: 1112945 ], Maximal queried relation: 6, Independence queries for same thread: 217702 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26590825, positive: 20795405, positive conditional: 20795405, positive unconditional: 0, negative: 5795420, negative conditional: 5795420, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 24752025, positive: 20795405, positive conditional: 20795405, positive unconditional: 0, negative: 3956620, negative conditional: 3956620, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 24752025, positive: 20795405, positive conditional: 0, positive unconditional: 20795405, negative: 3956620, negative conditional: 0, negative unconditional: 3956620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 693, positive: 548, positive conditional: 0, positive unconditional: 548, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 693, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 225, negative conditional: 0, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 225, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 256, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24752025, positive: 20794857, positive conditional: 0, positive unconditional: 20794857, negative: 3956475, negative conditional: 0, negative unconditional: 3956475, unknown: 693, unknown conditional: 0, unknown unconditional: 693] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 548, Positive conditional cache size: 0, Positive unconditional cache size: 548, Negative cache size: 145, Negative conditional cache size: 0, Negative unconditional cache size: 145 ], Maximal queried relation: 0, Independence queries for same thread: 1838800 - PositiveResult [Line: 78]: 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 13 procedures, 72 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 110927.2ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.0ms, PartialOrderReductionTime: 109732.9ms, 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: 20.7ms SsaConstructionTime, 93.8ms SatisfiabilityAnalysisTime, 556.8ms InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 1031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 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 13 procedures, 72 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70650.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 70631.0ms, 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...