/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/example2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 18:42:19,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 18:42:19,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 18:42:19,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 18:42:19,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 18:42:19,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 18:42:19,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 18:42:19,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 18:42:19,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 18:42:19,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 18:42:19,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 18:42:19,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 18:42:19,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 18:42:19,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 18:42:19,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 18:42:19,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 18:42:19,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 18:42:19,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 18:42:19,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 18:42:19,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 18:42:19,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 18:42:19,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 18:42:19,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 18:42:19,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 18:42:19,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-12 18:42:19,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-12 18:42:19,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-12 18:42:19,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-12 18:42:19,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-12 18:42:19,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-12 18:42:19,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 18:42:19,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 18:42:19,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 18:42:19,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 18:42:19,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 18:42:19,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 18:42:19,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 18:42:19,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 18:42:19,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 18:42:19,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 18:42:19,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 18:42:19,297 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-FA-NoLbe.epf [2021-08-12 18:42:19,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 18:42:19,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 18:42:19,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-12 18:42:19,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-12 18:42:19,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 18:42:19,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 18:42:19,331 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 18:42:19,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 18:42:19,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 18:42:19,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 18:42:19,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 18:42:19,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 18:42:19,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 18:42:19,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 18:42:19,334 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 18:42:19,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 18:42:19,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 18:42:19,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 18:42:19,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 18:42:19,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 18:42:19,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 18:42:19,635 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 18:42:19,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example2.bpl [2021-08-12 18:42:19,636 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example2.bpl' [2021-08-12 18:42:19,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 18:42:19,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 18:42:19,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 18:42:19,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 18:42:19,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 18:42:19,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 18:42:19,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 18:42:19,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 18:42:19,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 18:42:19,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/1) ... [2021-08-12 18:42:19,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 18:42:19,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 18:42:19,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 18:42:19,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 18:42:19,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (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 18:42:19,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-08-12 18:42:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-12 18:42:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-12 18:42:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 18:42:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 18:42:19,767 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 18:42:19,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 18:42:19,856 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 18:42:19,857 INFO L202 PluginConnector]: Adding new model example2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 06:42:19 BoogieIcfgContainer [2021-08-12 18:42:19,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 18:42:19,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 18:42:19,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 18:42:19,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 18:42:19,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 06:42:19" (1/2) ... [2021-08-12 18:42:19,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f90f328 and model type example2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 06:42:19, skipping insertion in model container [2021-08-12 18:42:19,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 06:42:19" (2/2) ... [2021-08-12 18:42:19,862 INFO L111 eAbstractionObserver]: Analyzing ICFG example2.bpl [2021-08-12 18:42:19,865 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 18:42:19,866 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 18:42:19,866 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 18:42:19,880 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,880 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,880 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,880 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_ret not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,881 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,881 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_ret not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,882 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,882 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_ret not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 18:42:19,886 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-12 18:42:19,900 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-12 18:42:19,913 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 18:42:19,914 INFO L379 AbstractCegarLoop]: Hoare is true [2021-08-12 18:42:19,914 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 18:42:19,914 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 18:42:19,914 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 18:42:19,914 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 18:42:19,914 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 18:42:19,914 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 18:42:19,919 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 10 transitions, 28 flow [2021-08-12 18:42:19,925 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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 18:42:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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 18:42:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-12 18:42:19,930 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 18:42:19,931 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-12 18:42:19,931 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 18:42:19,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 18:42:19,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1787459550, now seen corresponding path program 1 times [2021-08-12 18:42:19,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 18:42:19,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51205890] [2021-08-12 18:42:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 18:42:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 18:42:20,096 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 18:42:20,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 18:42:20,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51205890] [2021-08-12 18:42:20,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51205890] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 18:42:20,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 18:42:20,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 18:42:20,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248694108] [2021-08-12 18:42:20,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 18:42:20,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 18:42:20,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 18:42:20,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 18:42:20,123 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 18:42:20,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 18:42:20,212 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2021-08-12 18:42:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 18:42:20,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) Word has length 7 [2021-08-12 18:42:20,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 18:42:20,217 INFO L225 Difference]: With dead ends: 10 [2021-08-12 18:42:20,217 INFO L226 Difference]: Without dead ends: 0 [2021-08-12 18:42:20,219 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 115.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-12 18:42:20,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-12 18:42:20,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-12 18:42:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 18:42:20,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-12 18:42:20,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-08-12 18:42:20,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 18:42:20,245 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-12 18:42:20,245 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 18:42:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-12 18:42:20,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-12 18:42:20,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 18:42:20,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-12 18:42:20,384 INFO L1281 BasicCegarLoop]: Computed Owicki-Gries annotation of size 1457 in 137117688ns [2021-08-12 18:42:20,386 INFO L113 kiGriesValidityCheck]: 10#(and (not v_np2_1) v_np9_1 (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) [2021-08-12 18:42:20,392 INFO L113 kiGriesValidityCheck]: 2#(and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) v_np1_1 v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) [2021-08-12 18:42:20,396 INFO L113 kiGriesValidityCheck]: 12#(and (not v_np2_1) (< 3 ULTIMATE.start_x) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= fooThread1of1ForFork0_ret 4) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) v_np12_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (<= ULTIMATE.start_x 4) (not v_np13_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) [2021-08-12 18:42:20,398 INFO L113 kiGriesValidityCheck]: 3#(and (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) [2021-08-12 18:42:20,401 INFO L113 kiGriesValidityCheck]: 8#(and (not v_np2_1) (not v_np5_1) v_np3_1 (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (not v_np10_1)) [2021-08-12 18:42:20,403 INFO L113 kiGriesValidityCheck]: 14#(or (and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) v_np0_1 (not v_np10_1)) (and (not v_np2_1) (not v_np5_1) v_np3_1 (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (not v_np10_1)) (and (not v_np2_1) v_np9_1 (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) (and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) v_np1_1 v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1))) [2021-08-12 18:42:20,404 INFO L113 kiGriesValidityCheck]: 1#(and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) v_np0_1 (not v_np10_1)) [2021-08-12 18:42:20,404 INFO L113 kiGriesValidityCheck]: 4#(or (and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) v_np0_1 (not v_np10_1)) (and (not v_np2_1) (not v_np5_1) v_np3_1 (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (not v_np10_1)) (and (not v_np2_1) v_np9_1 (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) (and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) v_np1_1 v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1))) [2021-08-12 18:42:20,411 INFO L113 kiGriesValidityCheck]: 12#(and (not v_np2_1) (< 3 ULTIMATE.start_x) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= fooThread1of1ForFork0_ret 4) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) v_np12_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (<= ULTIMATE.start_x 4) (not v_np13_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) [2021-08-12 18:42:20,414 INFO L113 kiGriesValidityCheck]: 9#(and (not v_np2_1) (< 3 ULTIMATE.start_x) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= fooThread1of1ForFork0_ret 4) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (<= ULTIMATE.start_x 4) (not v_np13_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) [2021-08-12 18:42:20,416 INFO L113 kiGriesValidityCheck]: 13#(or (and (not v_np2_1) (< 3 ULTIMATE.start_x) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= fooThread1of1ForFork0_ret 4) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) v_np12_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (<= ULTIMATE.start_x 4) (not v_np13_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) (and (not v_np2_1) (< 3 ULTIMATE.start_x) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= fooThread1of1ForFork0_ret 4) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (<= ULTIMATE.start_x 4) (not v_np13_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) (and (not v_np2_1) (< 3 ULTIMATE.start_x) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= fooThread1of1ForFork0_ret 4) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (<= ULTIMATE.start_x 4) (not v_np13_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) (and (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) (and (not v_np2_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np4_1) (not v_np10_1))) [2021-08-12 18:42:20,416 INFO L113 kiGriesValidityCheck]: 6#(and (not v_np2_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) [2021-08-12 18:42:20,418 INFO L113 kiGriesValidityCheck]: 14#(or (and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) v_np0_1 (not v_np10_1)) (and (not v_np2_1) (not v_np5_1) v_np3_1 (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (not v_np10_1)) (and (not v_np2_1) v_np9_1 (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) (<= fooThread1of1ForFork0_ret 4) v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (<= 4 fooThread1of1ForFork0_ret) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1)) (and (not v_np2_1) (<= 4 fooThread1of1ForFork0_y) (not v_np5_1) (not v_np7_1) v_np1_1 v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np4_1) (<= fooThread1of1ForFork0_y 4) (not v_np10_1))) [2021-08-12 18:42:20,418 INFO L113 kiGriesValidityCheck]: 6#(and (not v_np2_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) [2021-08-12 18:42:20,438 INFO L1287 BasicCegarLoop]: Checked inductivity and non-interference of Owicki-Gries annotation in 55777369ns [2021-08-12 18:42:20,440 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 18:42:20,442 INFO L202 PluginConnector]: Adding new model example2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 06:42:20 BasicIcfg [2021-08-12 18:42:20,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 18:42:20,443 INFO L168 Benchmark]: Toolchain (without parser) took 768.39 ms. Allocated memory is still 211.8 MB. Free memory was 192.0 MB in the beginning and 168.3 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 8.0 GB. [2021-08-12 18:42:20,444 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 211.8 MB. Free memory is still 192.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 18:42:20,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.03 ms. Allocated memory is still 211.8 MB. Free memory was 192.0 MB in the beginning and 190.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 18:42:20,445 INFO L168 Benchmark]: Boogie Preprocessor took 8.07 ms. Allocated memory is still 211.8 MB. Free memory was 190.5 MB in the beginning and 189.6 MB in the end (delta: 835.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 18:42:20,445 INFO L168 Benchmark]: RCFGBuilder took 155.49 ms. Allocated memory is still 211.8 MB. Free memory was 189.5 MB in the beginning and 181.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-12 18:42:20,446 INFO L168 Benchmark]: TraceAbstraction took 584.29 ms. Allocated memory is still 211.8 MB. Free memory was 181.3 MB in the beginning and 168.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2021-08-12 18:42:20,448 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 0.11 ms. Allocated memory is still 211.8 MB. Free memory is still 192.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.03 ms. Allocated memory is still 211.8 MB. Free memory was 192.0 MB in the beginning and 190.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 8.07 ms. Allocated memory is still 211.8 MB. Free memory was 190.5 MB in the beginning and 189.6 MB in the end (delta: 835.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 155.49 ms. Allocated memory is still 211.8 MB. Free memory was 189.5 MB in the beginning and 181.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 584.29 ms. Allocated memory is still 211.8 MB. Free memory was 181.3 MB in the beginning and 168.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 333.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 4.6ms, AutomataDifference: 117.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 115.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 17.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.4ms SsaConstructionTime, 12.3ms SatisfiabilityAnalysisTime, 107.2ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...