/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/example_interleaving_simple.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:49:49,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:49:49,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:49:49,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 21:49:49,848 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-PN-NoLbe.epf [2021-08-12 21:49:49,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:49:49,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:49:49,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:49:49,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:49:49,890 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:49:49,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:49:49,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:49:49,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:49:49,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:49:49,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:49:49,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:49:49,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:49:49,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:49:49,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:49:49,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:49:49,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:49:49,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:49:49,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:49:49,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:49:49,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:49:49,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:49:49,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:49:49,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:49:49,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:49:49,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:49:49,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:49:49,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:49:49,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:49:49,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:49:49,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:49:49,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:49:50,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:49:50,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:49:50,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:49:50,221 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 21:49:50,221 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 21:49:50,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example_interleaving_simple.bpl [2021-08-12 21:49:50,223 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example_interleaving_simple.bpl' [2021-08-12 21:49:50,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:49:50,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 21:49:50,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:49:50,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:49:50,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:49:50,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:49:50,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:49:50,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:49:50,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:49:50,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/1) ... [2021-08-12 21:49:50,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:49:50,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:49:50,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:49:50,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:49:50,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (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 [2021-08-12 21:49:50,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 21:49:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:49:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:49:50,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_x given in one single declaration [2021-08-12 21:49:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_x [2021-08-12 21:49:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure set_x [2021-08-12 21:49:50,394 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:49:50,519 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:49:50,520 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 21:49:50,521 INFO L202 PluginConnector]: Adding new model example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:49:50 BoogieIcfgContainer [2021-08-12 21:49:50,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:49:50,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:49:50,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:49:50,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:49:50,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:50" (1/2) ... [2021-08-12 21:49:50,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfdb5c5 and model type example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:49:50, skipping insertion in model container [2021-08-12 21:49:50,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:49:50" (2/2) ... [2021-08-12 21:49:50,529 INFO L111 eAbstractionObserver]: Analyzing ICFG example_interleaving_simple.bpl [2021-08-12 21:49:50,534 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:49:50,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 21:49:50,536 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:49:50,567 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-12 21:49:50,592 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-12 21:49:50,623 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:49:50,624 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:49:50,624 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:49:50,624 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:49:50,624 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:49:50,624 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:49:50,624 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:49:50,624 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:49:50,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 13 places, 9 transitions, 26 flow [2021-08-12 21:49:50,654 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-08-12 21:49:50,655 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-12 21:49:50,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 8 events. 0/8 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-12 21:49:50,657 INFO L82 GeneralOperation]: Start removeDead. Operand has 13 places, 9 transitions, 26 flow [2021-08-12 21:49:50,661 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 10 places, 6 transitions, 18 flow [2021-08-12 21:49:50,666 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-08-12 21:49:50,667 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-12 21:49:50,667 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:50,668 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-12 21:49:50,668 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:50,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:50,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1442109907, now seen corresponding path program 1 times [2021-08-12 21:49:50,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:50,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182550396] [2021-08-12 21:49:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:50,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:50,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:50,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:50,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:49:50,867 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-08-12 21:49:50,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:49:50,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:50,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:50,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182550396] [2021-08-12 21:49:50,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182550396] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:50,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:50,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:50,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556409331] [2021-08-12 21:49:50,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:49:50,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:50,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:49:50,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:49:50,944 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 9 [2021-08-12 21:49:50,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10 places, 6 transitions, 18 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-12 21:49:50,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:50,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 9 [2021-08-12 21:49:50,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:51,004 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-08-12 21:49:51,005 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 21:49:51,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 10 events. 0/10 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 1/11 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-08-12 21:49:51,006 INFO L132 encePairwiseOnDemand]: 6/9 looper letters, 2 selfloop transitions, 1 changer transitions 1/7 dead transitions. [2021-08-12 21:49:51,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 7 transitions, 28 flow [2021-08-12 21:49:51,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:49:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:49:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-08-12 21:49:51,015 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6944444444444444 [2021-08-12 21:49:51,016 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 25 transitions. [2021-08-12 21:49:51,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 25 transitions. [2021-08-12 21:49:51,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:51,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 25 transitions. [2021-08-12 21:49:51,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:51,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-12 21:49:51,023 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-12 21:49:51,024 INFO L348 CegarLoopForPetriNet]: 10 programPoint places, 3 predicate places. [2021-08-12 21:49:51,024 INFO L482 AbstractCegarLoop]: Abstraction has has 13 places, 7 transitions, 28 flow [2021-08-12 21:49:51,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-12 21:49:51,035 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:51,035 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-12 21:49:51,035 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:49:51,036 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:51,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1446578557, now seen corresponding path program 2 times [2021-08-12 21:49:51,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:51,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133949660] [2021-08-12 21:49:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:51,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:51,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:51,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:49:51,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-08-12 21:49:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:49:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:51,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:51,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133949660] [2021-08-12 21:49:51,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133949660] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:51,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:51,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:51,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686282049] [2021-08-12 21:49:51,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:49:51,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:51,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:49:51,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:49:51,104 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 9 [2021-08-12 21:49:51,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 7 transitions, 28 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-12 21:49:51,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:51,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 9 [2021-08-12 21:49:51,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:51,123 INFO L129 PetriNetUnfolder]: 0/9 cut-off events. [2021-08-12 21:49:51,123 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-08-12 21:49:51,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 9 events. 0/9 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 0 based on Foata normal form. 1/10 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-08-12 21:49:51,123 INFO L132 encePairwiseOnDemand]: 6/9 looper letters, 0 selfloop transitions, 0 changer transitions 7/7 dead transitions. [2021-08-12 21:49:51,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 7 transitions, 36 flow [2021-08-12 21:49:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:49:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:49:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-08-12 21:49:51,124 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-08-12 21:49:51,125 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 24 transitions. [2021-08-12 21:49:51,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 24 transitions. [2021-08-12 21:49:51,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:51,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 24 transitions. [2021-08-12 21:49:51,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2021-08-12 21:49:51,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-12 21:49:51,126 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-12 21:49:51,127 INFO L348 CegarLoopForPetriNet]: 10 programPoint places, 5 predicate places. [2021-08-12 21:49:51,127 INFO L482 AbstractCegarLoop]: Abstraction has has 15 places, 7 transitions, 36 flow [2021-08-12 21:49:51,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-12 21:49:51,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:49:51,165 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 960 in 34646463ns [2021-08-12 21:49:51,169 INFO L113 kiGriesValidityCheck]: 6#(or (and (<= x 0) (not v_np3_1) (not v_np2_1) (not v_np9_1) v_np5_1 v_np6_1 (not v_np8_1) (<= 0 x) (not v_np1_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and v_np3_1 (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np1_1) (not v_np6_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and (<= x 0) (not v_np3_1) v_np4_1 (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np8_1) (<= 0 x) (not v_np1_1) (not v_np6_1) v_np0_1 (not v_np7_1))) [2021-08-12 21:49:51,176 INFO L113 kiGriesValidityCheck]: 8#(and (not v_np3_1) (not v_np2_1) (not v_np8_1) v_np7_1 (not v_np0_1) v_np9_1 (not v_np1_1) (not v_np6_1) (not v_np5_1) (not v_np4_1) (or (and (<= x 0) (<= y 0) (<= 0 y) (<= 0 x) (<= x y) (< y (+ x 1))) (and (<= x 0) (<= y 0) (<= y x) (< x (+ y 1)) (<= 0 y) (<= 0 x)))) [2021-08-12 21:49:51,182 INFO L113 kiGriesValidityCheck]: 1#(or (and v_np1_1 (not v_np3_1) v_np4_1 (not v_np2_1) (not v_np9_1) (not v_np8_1) (not v_np6_1) (not v_np5_1) (or (and (<= x 0) (<= y 0) (<= 0 y) (<= 0 x) (<= x y) (< y (+ x 1))) (and (<= x 0) (<= y 0) (<= y x) (< x (+ y 1)) (<= 0 y) (<= 0 x))) v_np0_1 (not v_np7_1)) (and (<= x 0) (not v_np3_1) (not v_np2_1) (not v_np9_1) v_np5_1 v_np6_1 (not v_np8_1) (<= 0 x) (not v_np1_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and v_np1_1 (<= y 0) v_np3_1 (not v_np2_1) (not v_np9_1) (not v_np8_1) (<= 0 y) (not v_np6_1) (not v_np5_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and (<= x 0) (<= y 0) (not v_np2_1) (<= 0 x) (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (<= y x) (not v_np9_1) v_np6_1 (not v_np8_1) (< x (+ y 1)) (<= 0 y) (not v_np4_1) v_np0_1) (and v_np3_1 (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np1_1) (not v_np6_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and (<= x 0) (not v_np3_1) v_np4_1 (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np8_1) (<= 0 x) (not v_np1_1) (not v_np6_1) v_np0_1 (not v_np7_1))) [2021-08-12 21:49:51,182 INFO L113 kiGriesValidityCheck]: 2#(or (and v_np1_1 (not v_np3_1) v_np4_1 (not v_np2_1) (not v_np9_1) (not v_np8_1) (not v_np6_1) (not v_np5_1) (or (and (<= x 0) (<= y 0) (<= 0 y) (<= 0 x) (<= x y) (< y (+ x 1))) (and (<= x 0) (<= y 0) (<= y x) (< x (+ y 1)) (<= 0 y) (<= 0 x))) v_np0_1 (not v_np7_1)) (and v_np1_1 (<= y 0) v_np3_1 (not v_np2_1) (not v_np9_1) (not v_np8_1) (<= 0 y) (not v_np6_1) (not v_np5_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and (<= x 0) (<= y 0) (not v_np2_1) (<= 0 x) (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (<= y x) (not v_np9_1) v_np6_1 (not v_np8_1) (< x (+ y 1)) (<= 0 y) (not v_np4_1) v_np0_1)) [2021-08-12 21:49:51,182 INFO L113 kiGriesValidityCheck]: 7#(or (and (<= x 0) (not v_np3_1) (not v_np2_1) (not v_np9_1) v_np5_1 v_np6_1 (not v_np8_1) (<= 0 x) (not v_np1_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and (<= x 0) (<= y 0) (not v_np2_1) (<= 0 x) (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (<= y x) (not v_np9_1) v_np6_1 (not v_np8_1) (< x (+ y 1)) (<= 0 y) (not v_np4_1) v_np0_1)) [2021-08-12 21:49:51,188 INFO L113 kiGriesValidityCheck]: 3#(and v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) v_np9_1 (not v_np1_1) (not v_np6_1) (not v_np5_1) (not v_np4_1) (not v_np7_1)) [2021-08-12 21:49:51,190 INFO L113 kiGriesValidityCheck]: 10#(or (and v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) v_np9_1 (not v_np1_1) (not v_np6_1) (not v_np5_1) (not v_np4_1) (not v_np7_1)) (and (not v_np3_1) (not v_np2_1) (not v_np8_1) v_np7_1 (not v_np0_1) v_np9_1 (not v_np1_1) (not v_np6_1) (not v_np5_1) (not v_np4_1) (or (and (<= x 0) (<= y 0) (<= 0 y) (<= 0 x) (<= x y) (< y (+ x 1))) (and (<= x 0) (<= y 0) (<= y x) (< x (+ y 1)) (<= 0 y) (<= 0 x))))) [2021-08-12 21:49:51,196 INFO L113 kiGriesValidityCheck]: 5#(or (and v_np1_1 (not v_np3_1) v_np4_1 (not v_np2_1) (not v_np9_1) (not v_np8_1) (not v_np6_1) (not v_np5_1) (or (and (<= x 0) (<= y 0) (<= 0 y) (<= 0 x) (<= x y) (< y (+ x 1))) (and (<= x 0) (<= y 0) (<= y x) (< x (+ y 1)) (<= 0 y) (<= 0 x))) v_np0_1 (not v_np7_1)) (and (<= x 0) (not v_np3_1) v_np4_1 (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np8_1) (<= 0 x) (not v_np1_1) (not v_np6_1) v_np0_1 (not v_np7_1))) [2021-08-12 21:49:51,203 INFO L113 kiGriesValidityCheck]: 4#(or (and v_np1_1 (<= y 0) v_np3_1 (not v_np2_1) (not v_np9_1) (not v_np8_1) (<= 0 y) (not v_np6_1) (not v_np5_1) (not v_np4_1) v_np0_1 (not v_np7_1)) (and v_np3_1 (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np1_1) (not v_np6_1) (not v_np4_1) v_np0_1 (not v_np7_1))) [2021-08-12 21:49:51,240 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 77905148ns [2021-08-12 21:49:51,243 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 21:49:51,250 INFO L202 PluginConnector]: Adding new model example_interleaving_simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 09:49:51 BasicIcfg [2021-08-12 21:49:51,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 21:49:51,257 INFO L168 Benchmark]: Toolchain (without parser) took 1006.35 ms. Allocated memory is still 196.1 MB. Free memory was 177.2 MB in the beginning and 163.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:51,259 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 196.1 MB. Free memory is still 178.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:49:51,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.48 ms. Allocated memory is still 196.1 MB. Free memory was 177.0 MB in the beginning and 175.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:51,261 INFO L168 Benchmark]: Boogie Preprocessor took 16.81 ms. Allocated memory is still 196.1 MB. Free memory was 175.6 MB in the beginning and 174.9 MB in the end (delta: 726.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:51,261 INFO L168 Benchmark]: RCFGBuilder took 211.27 ms. Allocated memory is still 196.1 MB. Free memory was 174.7 MB in the beginning and 166.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:51,262 INFO L168 Benchmark]: TraceAbstraction took 731.73 ms. Allocated memory is still 196.1 MB. Free memory was 166.1 MB in the beginning and 163.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:51,269 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 0.16 ms. Allocated memory is still 196.1 MB. Free memory is still 178.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.48 ms. Allocated memory is still 196.1 MB. Free memory was 177.0 MB in the beginning and 175.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.81 ms. Allocated memory is still 196.1 MB. Free memory was 175.6 MB in the beginning and 174.9 MB in the end (delta: 726.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 211.27 ms. Allocated memory is still 196.1 MB. Free memory was 174.7 MB in the beginning and 166.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 731.73 ms. Allocated memory is still 196.1 MB. Free memory was 166.1 MB in the beginning and 163.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 508.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 107.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 3 SDslu, 2 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 115.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=2, InterpolantAutomatonStates: 8, 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: 9.4ms SsaConstructionTime, 19.2ms SatisfiabilityAnalysisTime, 210.7ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...