/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 19:45:23,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 19:45:23,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 19:45:23,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-30 19:45:23,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 19:45:23,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 19:45:23,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 19:45:23,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 19:45:23,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 19:45:23,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 19:45:23,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 19:45:23,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 19:45:23,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 19:45:23,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 19:45:23,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 19:45:23,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 19:45:23,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-30 19:45:23,820 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-06-30 19:45:23,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 19:45:23,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 19:45:23,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 19:45:23,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 19:45:23,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 19:45:23,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 19:45:23,856 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 19:45:23,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 19:45:23,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 19:45:23,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 19:45:23,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 19:45:23,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 19:45:23,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 19:45:23,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 19:45:23,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 19:45:23,858 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 19:45:23,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 19:45:23,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 19:45:23,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 19:45:23,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 19:45:23,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 19:45:23,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 19:45:23,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 19:45:23,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 19:45:23,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 19:45:23,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 19:45:23,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 19:45:23,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 19:45:23,860 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-30 19:45:23,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 19:45:23,860 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 19:45:23,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 19:45:23,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 19:45:23,861 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-30 19:45:23,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-30 19:45:23,861 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 19:45:24,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 19:45:24,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 19:45:24,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 19:45:24,123 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 19:45:24,124 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 19:45:24,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr04.bpl [2021-06-30 19:45:24,125 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr04.bpl' [2021-06-30 19:45:24,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 19:45:24,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 19:45:24,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 19:45:24,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 19:45:24,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 19:45:24,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 19:45:24,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 19:45:24,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 19:45:24,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 19:45:24,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/1) ... [2021-06-30 19:45:24,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 19:45:24,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 19:45:24,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 19:45:24,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 19:45:24,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (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 [2021-06-30 19:45:24,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 19:45:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 19:45:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 19:45:24,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 19:45:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 19:45:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 19:45:24,239 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 19:45:24,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 19:45:24,328 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 19:45:24,329 INFO L202 PluginConnector]: Adding new model incr-decr04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 07:45:24 BoogieIcfgContainer [2021-06-30 19:45:24,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 19:45:24,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 19:45:24,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 19:45:24,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 19:45:24,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 07:45:24" (1/2) ... [2021-06-30 19:45:24,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467afc17 and model type incr-decr04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 07:45:24, skipping insertion in model container [2021-06-30 19:45:24,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 07:45:24" (2/2) ... [2021-06-30 19:45:24,334 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr04.bpl [2021-06-30 19:45:24,338 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 19:45:24,338 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 19:45:24,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 19:45:24,339 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 19:45:24,376 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-30 19:45:24,392 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 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 [2021-06-30 19:45:24,441 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 19:45:24,442 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 19:45:24,442 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 19:45:24,442 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 19:45:24,442 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 19:45:24,442 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 19:45:24,442 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 19:45:24,442 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 19:45:24,786 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-30 19:45:24,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 19:45:24,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1560093318, now seen corresponding path program 1 times [2021-06-30 19:45:24,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 19:45:24,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196871953] [2021-06-30 19:45:24,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 19:45:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:45:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-30 19:45:24,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 19:45:24,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196871953] [2021-06-30 19:45:24,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196871953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:45:24,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796937120] [2021-06-30 19:45:24,995 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 [2021-06-30 19:45:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:45:25,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-30 19:45:25,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 19:45:25,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-30 19:45:25,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796937120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:45:25,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 19:45:25,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-30 19:45:25,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500671395] [2021-06-30 19:45:25,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-30 19:45:25,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 19:45:25,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-30 19:45:25,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-30 19:45:25,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:45:25,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 19:45:25,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-06-30 19:45:25,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:45:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:45:25,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-30 19:45:25,505 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-30 19:45:25,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 19:45:25,507 INFO L82 PathProgramCache]: Analyzing trace with hash 803678460, now seen corresponding path program 2 times [2021-06-30 19:45:25,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 19:45:25,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113360568] [2021-06-30 19:45:25,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 19:45:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 19:45:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-30 19:45:25,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 19:45:25,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113360568] [2021-06-30 19:45:25,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113360568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:45:25,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909423065] [2021-06-30 19:45:25,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2021-06-30 19:45:25,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-30 19:45:25,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-30 19:45:25,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-30 19:45:25,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 19:45:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-30 19:45:25,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909423065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 19:45:25,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 19:45:25,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-30 19:45:25,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746763761] [2021-06-30 19:45:25,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-30 19:45:25,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 19:45:25,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-30 19:45:25,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-30 19:45:25,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:45:25,722 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 19:45:25,722 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2021-06-30 19:45:25,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:45:25,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 19:45:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 19:45:25,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 19:45:26,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 19:45:26,218 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 19:45:26,219 INFO L202 PluginConnector]: Adding new model incr-decr04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 07:45:26 BasicIcfg [2021-06-30 19:45:26,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 19:45:26,220 INFO L168 Benchmark]: Toolchain (without parser) took 2064.68 ms. Allocated memory is still 198.2 MB. Free memory was 177.9 MB in the beginning and 151.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2021-06-30 19:45:26,220 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 198.2 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 19:45:26,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 198.2 MB. Free memory was 177.9 MB in the beginning and 176.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-30 19:45:26,220 INFO L168 Benchmark]: Boogie Preprocessor took 9.20 ms. Allocated memory is still 198.2 MB. Free memory was 176.4 MB in the beginning and 175.5 MB in the end (delta: 821.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 19:45:26,220 INFO L168 Benchmark]: RCFGBuilder took 142.59 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 166.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-30 19:45:26,220 INFO L168 Benchmark]: TraceAbstraction took 1888.81 ms. Allocated memory is still 198.2 MB. Free memory was 166.4 MB in the beginning and 151.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. [2021-06-30 19:45:26,221 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 0.09 ms. Allocated memory is still 198.2 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 198.2 MB. Free memory was 177.9 MB in the beginning and 176.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.20 ms. Allocated memory is still 198.2 MB. Free memory was 176.4 MB in the beginning and 175.5 MB in the end (delta: 821.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 142.59 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 166.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1888.81 ms. Allocated memory is still 198.2 MB. Free memory was 166.4 MB in the beginning and 151.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 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: 2884, positive: 2582, positive conditional: 2160, positive unconditional: 422, negative: 302, negative conditional: 301, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2583, positive: 2582, positive conditional: 2160, positive unconditional: 422, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2583, positive: 2582, positive conditional: 0, positive unconditional: 2582, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 348, positive: 347, positive conditional: 0, positive unconditional: 347, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 348, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2583, positive: 2235, positive conditional: 0, positive unconditional: 2235, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 348, unknown conditional: 0, unknown unconditional: 348] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 301 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 382, Number of persistent set computation: 939, Number of trivial persistent sets: 843, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2884, positive: 2582, positive conditional: 2160, positive unconditional: 422, negative: 302, negative conditional: 301, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2583, positive: 2582, positive conditional: 2160, positive unconditional: 422, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2583, positive: 2582, positive conditional: 0, positive unconditional: 2582, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 348, positive: 347, positive conditional: 0, positive unconditional: 347, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 348, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2583, positive: 2235, positive conditional: 0, positive unconditional: 2235, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 348, unknown conditional: 0, unknown unconditional: 348] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, positive: 197, positive conditional: 0, positive unconditional: 197, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 301 - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 6 procedures, 32 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1814.2ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 688.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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: 16.6ms SsaConstructionTime, 64.9ms SatisfiabilityAnalysisTime, 407.0ms InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 134 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 10/22 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...