java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/scalable/CounterExp-16bit.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:34,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:34,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:34,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:34,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:34,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:34,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:34,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:34,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:34,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:34,777 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:34,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:16:34,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:34,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:34,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:34,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:34,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:34,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:34,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:34,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:34,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:16:34,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:34,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:34,821 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:34,821 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:34,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:34,822 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:34,822 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:34,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:34,822 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:34,823 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:34,823 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:34,823 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:34,823 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:34,823 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:34,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:34,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:34,825 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:34,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:34,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:34,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:34,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:34,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:34,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:34,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:34,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:34,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:34,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:34,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:34,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:34,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:34,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:34,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:34,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:34,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:34,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:34,829 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:34,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:34,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:34,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:34,829 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:34,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:34,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:34,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:34,878 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:34,878 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:34,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-16bit.bpl [2019-08-05 12:16:34,879 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-16bit.bpl' [2019-08-05 12:16:34,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:34,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:34,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:34,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:34,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:34,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,953 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:16:34,954 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:16:34,954 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:16:34,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:34,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:34,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:34,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:34,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:34,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:34,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:34,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:34,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (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 [2019-08-05 12:16:35,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitCounter given in one single declaration [2019-08-05 12:16:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitCounter [2019-08-05 12:16:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitCounter [2019-08-05 12:16:35,784 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:16:35,784 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:35,785 INFO L202 PluginConnector]: Adding new model CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:35 BoogieIcfgContainer [2019-08-05 12:16:35,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:35,786 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:35,787 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:35,787 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:35,788 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CounterExp-16bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:35" (1/1) ... [2019-08-05 12:16:35,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:36,426 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:36,491 INFO L272 AbstractInterpreter]: Visited 68 different actions 1420 times. Merged at 63 different actions 676 times. Widened at 3 different actions 14 times. Performed 5371 root evaluator evaluations with a maximum evaluation depth of 16. Performed 5371 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 435 fixpoints after 57 different actions. Largest state had 0 variables. [2019-08-05 12:16:36,491 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:36,495 INFO L168 Benchmark]: Toolchain (without parser) took 1575.69 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 105.9 MB in the beginning and 121.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:36,497 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:36,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.07 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 104.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:36,499 INFO L168 Benchmark]: Boogie Preprocessor took 30.93 ms. Allocated memory is still 140.0 MB. Free memory was 104.0 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:36,500 INFO L168 Benchmark]: RCFGBuilder took 794.09 ms. Allocated memory is still 140.0 MB. Free memory was 102.4 MB in the beginning and 85.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:36,502 INFO L168 Benchmark]: Abstract Interpretation took 704.97 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 85.2 MB in the beginning and 121.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:36,507 INFO L335 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 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.07 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 104.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.93 ms. Allocated memory is still 140.0 MB. Free memory was 104.0 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 794.09 ms. Allocated memory is still 140.0 MB. Free memory was 102.4 MB in the beginning and 85.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 704.97 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 85.2 MB in the beginning and 121.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 166]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L5] of := false; [L6] x0 := false; [L7] x1 := false; [L8] x2 := false; [L9] x3 := false; [L10] x4 := false; [L11] x5 := false; [L12] x6 := false; [L13] x7 := false; [L14] x8 := false; [L15] x9 := false; [L16] x10 := false; [L17] x11 := false; [L18] x12 := false; [L19] x13 := false; [L20] x14 := false; [L21] x15 := false; [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND TRUE x0 == true [L25] x0 := false; [L26] of := true; [L30] COND TRUE of == true [L31] COND FALSE !(x1 == true) [L35] x1 := true; [L36] of := false; [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND TRUE x0 == true [L25] x0 := false; [L26] of := true; [L30] COND TRUE of == true [L31] COND TRUE x1 == true [L32] x1 := false; [L39] COND TRUE of == true [L40] COND FALSE !(x2 == true) [L44] x2 := true; [L45] of := false; [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND TRUE x0 == true [L25] x0 := false; [L26] of := true; [L30] COND TRUE of == true [L31] COND TRUE x1 == true [L32] x1 := false; [L39] COND TRUE of == true [L40] COND TRUE x2 == true [L41] x2 := false; [L48] COND TRUE of == true [L49] COND FALSE !(x3 == true) [L53] x3 := true; [L54] of := false; [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND TRUE of == true [L40] COND TRUE x2 == true [L41] x2 := false; [L48] COND TRUE of == true [L49] COND TRUE x3 == true [L50] x3 := false; [L57] COND TRUE of == true [L58] COND FALSE !(x4 == true) [L62] x4 := true; [L63] of := false; [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND TRUE x0 == true [L25] x0 := false; [L26] of := true; [L30] COND TRUE of == true [L31] COND TRUE x1 == true [L32] x1 := false; [L39] COND TRUE of == true [L40] COND TRUE x2 == true [L41] x2 := false; [L48] COND TRUE of == true [L49] COND TRUE x3 == true [L50] x3 := false; [L57] COND TRUE of == true [L58] COND TRUE x4 == true [L59] x4 := false; [L66] COND TRUE of == true [L67] COND FALSE !(x5 == true) [L71] x5 := true; [L72] of := false; [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND TRUE x0 == true [L25] x0 := false; [L26] of := true; [L30] COND TRUE of == true [L31] COND TRUE x1 == true [L32] x1 := false; [L39] COND TRUE of == true [L40] COND TRUE x2 == true [L41] x2 := false; [L48] COND TRUE of == true [L49] COND TRUE x3 == true [L50] x3 := false; [L57] COND TRUE of == true [L58] COND TRUE x4 == true [L59] x4 := false; [L66] COND TRUE of == true [L67] COND TRUE x5 == true [L68] x5 := false; [L75] COND TRUE of == true [L76] COND FALSE !(x6 == true) [L80] x6 := true; [L81] of := false; [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND TRUE of == true [L49] COND TRUE x3 == true [L50] x3 := false; [L57] COND TRUE of == true [L58] COND TRUE x4 == true [L59] x4 := false; [L66] COND TRUE of == true [L67] COND TRUE x5 == true [L68] x5 := false; [L75] COND TRUE of == true [L76] COND TRUE x6 == true [L77] x6 := false; [L84] COND TRUE of == true [L85] COND FALSE !(x7 == true) [L89] x7 := true; [L90] of := false; [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND TRUE of == true [L58] COND TRUE x4 == true [L59] x4 := false; [L66] COND TRUE of == true [L67] COND TRUE x5 == true [L68] x5 := false; [L75] COND TRUE of == true [L76] COND TRUE x6 == true [L77] x6 := false; [L84] COND TRUE of == true [L85] COND TRUE x7 == true [L86] x7 := false; [L93] COND TRUE of == true [L94] COND FALSE !(x8 == true) [L98] x8 := true; [L99] of := false; [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND TRUE of == true [L67] COND TRUE x5 == true [L68] x5 := false; [L75] COND TRUE of == true [L76] COND TRUE x6 == true [L77] x6 := false; [L84] COND TRUE of == true [L85] COND TRUE x7 == true [L86] x7 := false; [L93] COND TRUE of == true [L94] COND TRUE x8 == true [L95] x8 := false; [L102] COND TRUE of == true [L103] COND FALSE !(x9 == true) [L107] x9 := true; [L108] of := false; [L111] COND FALSE !(of == true) [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND TRUE of == true [L76] COND TRUE x6 == true [L77] x6 := false; [L84] COND TRUE of == true [L85] COND TRUE x7 == true [L86] x7 := false; [L93] COND TRUE of == true [L94] COND TRUE x8 == true [L95] x8 := false; [L102] COND TRUE of == true [L103] COND TRUE x9 == true [L104] x9 := false; [L111] COND TRUE of == true [L112] COND FALSE !(x10 == true) [L116] x10 := true; [L117] of := false; [L120] COND FALSE !(of == true) [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND TRUE of == true [L85] COND TRUE x7 == true [L86] x7 := false; [L93] COND TRUE of == true [L94] COND TRUE x8 == true [L95] x8 := false; [L102] COND TRUE of == true [L103] COND TRUE x9 == true [L104] x9 := false; [L111] COND TRUE of == true [L112] COND TRUE x10 == true [L113] x10 := false; [L120] COND TRUE of == true [L121] COND FALSE !(x11 == true) [L125] x11 := true; [L126] of := false; [L129] COND FALSE !(of == true) [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND TRUE x0 == true [L25] x0 := false; [L26] of := true; [L30] COND TRUE of == true [L31] COND TRUE x1 == true [L32] x1 := false; [L39] COND TRUE of == true [L40] COND TRUE x2 == true [L41] x2 := false; [L48] COND TRUE of == true [L49] COND TRUE x3 == true [L50] x3 := false; [L57] COND TRUE of == true [L58] COND TRUE x4 == true [L59] x4 := false; [L66] COND TRUE of == true [L67] COND TRUE x5 == true [L68] x5 := false; [L75] COND TRUE of == true [L76] COND TRUE x6 == true [L77] x6 := false; [L84] COND TRUE of == true [L85] COND TRUE x7 == true [L86] x7 := false; [L93] COND TRUE of == true [L94] COND TRUE x8 == true [L95] x8 := false; [L102] COND TRUE of == true [L103] COND TRUE x9 == true [L104] x9 := false; [L111] COND TRUE of == true [L112] COND TRUE x10 == true [L113] x10 := false; [L120] COND TRUE of == true [L121] COND TRUE x11 == true [L122] x11 := false; [L129] COND TRUE of == true [L130] COND FALSE !(x12 == true) [L134] x12 := true; [L135] of := false; [L138] COND FALSE !(of == true) [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND TRUE of == true [L94] COND TRUE x8 == true [L95] x8 := false; [L102] COND TRUE of == true [L103] COND TRUE x9 == true [L104] x9 := false; [L111] COND TRUE of == true [L112] COND TRUE x10 == true [L113] x10 := false; [L120] COND TRUE of == true [L121] COND TRUE x11 == true [L122] x11 := false; [L129] COND TRUE of == true [L130] COND TRUE x12 == true [L131] x12 := false; [L138] COND TRUE of == true [L139] COND FALSE !(x13 == true) [L143] x13 := true; [L144] of := false; [L147] COND FALSE !(of == true) [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND TRUE of == true [L103] COND TRUE x9 == true [L104] x9 := false; [L111] COND TRUE of == true [L112] COND TRUE x10 == true [L113] x10 := false; [L120] COND TRUE of == true [L121] COND TRUE x11 == true [L122] x11 := false; [L129] COND TRUE of == true [L130] COND TRUE x12 == true [L131] x12 := false; [L138] COND TRUE of == true [L139] COND TRUE x13 == true [L140] x13 := false; [L147] COND TRUE of == true [L148] COND FALSE !(x14 == true) [L152] x14 := true; [L153] of := false; [L156] COND FALSE !(of == true) [L23] COND TRUE of == false [L24] COND FALSE !(x0 == true) [L28] x0 := true; [L30] COND FALSE !(of == true) [L39] COND FALSE !(of == true) [L48] COND FALSE !(of == true) [L57] COND FALSE !(of == true) [L66] COND FALSE !(of == true) [L75] COND FALSE !(of == true) [L84] COND FALSE !(of == true) [L93] COND FALSE !(of == true) [L102] COND FALSE !(of == true) [L111] COND FALSE !(of == true) [L120] COND TRUE of == true [L121] COND TRUE x11 == true [L122] x11 := false; [L129] COND TRUE of == true [L130] COND TRUE x12 == true [L131] x12 := false; [L138] COND TRUE of == true [L139] COND TRUE x13 == true [L140] x13 := false; [L147] COND TRUE of == true [L148] COND TRUE x14 == true [L149] x14 := false; [L156] COND TRUE of == true [L157] COND FALSE !(x15 == true) [L161] x15 := true; [L162] of := false; [L23] COND TRUE of == false [L24] COND TRUE x0 == true [L25] x0 := false; [L26] of := true; [L30] COND TRUE of == true [L31] COND TRUE x1 == true [L32] x1 := false; [L39] COND TRUE of == true [L40] COND TRUE x2 == true [L41] x2 := false; [L48] COND TRUE of == true [L49] COND TRUE x3 == true [L50] x3 := false; [L57] COND TRUE of == true [L58] COND TRUE x4 == true [L59] x4 := false; [L66] COND TRUE of == true [L67] COND TRUE x5 == true [L68] x5 := false; [L75] COND TRUE of == true [L76] COND TRUE x6 == true [L77] x6 := false; [L84] COND TRUE of == true [L85] COND TRUE x7 == true [L86] x7 := false; [L93] COND TRUE of == true [L94] COND TRUE x8 == true [L95] x8 := false; [L102] COND TRUE of == true [L103] COND TRUE x9 == true [L104] x9 := false; [L111] COND TRUE of == true [L112] COND TRUE x10 == true [L113] x10 := false; [L120] COND TRUE of == true [L121] COND TRUE x11 == true [L122] x11 := false; [L129] COND TRUE of == true [L130] COND TRUE x12 == true [L131] x12 := false; [L138] COND TRUE of == true [L139] COND TRUE x13 == true [L140] x13 := false; [L147] COND TRUE of == true [L148] COND TRUE x14 == true [L149] x14 := false; [L156] COND TRUE of == true [L157] COND TRUE x15 == true [L158] x15 := false; [L23] COND FALSE !(of == false) [L166] assert !x0 && !x1 && !x2 && !x3 && !x4 && !x5 && !x6 && !x7 && !x8 && !x9 && !x10 && !x11 && !x12 && !x13 && !x14 && !x15; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...