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-8bit.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:34,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:34,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:34,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:34,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:34,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:34,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:34,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:34,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:34,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:34,526 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:34,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:16:34,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:34,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:34,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:34,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:34,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:34,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:34,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:34,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:34,556 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 12:16:34,582 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:34,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:34,583 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:34,584 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:34,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:34,584 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:34,584 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:34,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:34,585 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:34,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:34,585 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:34,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:34,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:34,586 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:34,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:34,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:34,589 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:34,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:34,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:34,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:34,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:34,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:34,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:34,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:34,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:34,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:34,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:34,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:34,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:34,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:34,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:34,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:34,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:34,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:34,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:34,594 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:34,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:34,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:34,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:34,594 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:34,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:34,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:34,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:34,649 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:34,653 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:34,653 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-8bit.bpl [2019-08-05 12:16:34,654 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-8bit.bpl' [2019-08-05 12:16:34,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:34,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:34,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:34,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:34,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:34,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,740 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:16:34,742 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:16:34,742 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:16:34,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:34,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:34,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:34,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:34,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:34" (1/1) ... [2019-08-05 12:16:34,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:34,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:34,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:34,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:34,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CounterExp-8bit.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 12:16:34,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitCounter given in one single declaration [2019-08-05 12:16:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitCounter [2019-08-05 12:16:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitCounter [2019-08-05 12:16:35,412 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:16:35,413 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:35,414 INFO L202 PluginConnector]: Adding new model CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:35 BoogieIcfgContainer [2019-08-05 12:16:35,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:35,415 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:35,415 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:35,415 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:35,416 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:35" (1/1) ... [2019-08-05 12:16:35,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:35,758 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:35,788 INFO L272 AbstractInterpreter]: Visited 36 different actions 358 times. Merged at 31 different actions 161 times. Widened at 3 different actions 6 times. Performed 1391 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1391 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 105 fixpoints after 25 different actions. Largest state had 0 variables. [2019-08-05 12:16:35,788 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:35,792 INFO L168 Benchmark]: Toolchain (without parser) took 1085.66 ms. Allocated memory is still 140.5 MB. Free memory was 104.2 MB in the beginning and 71.8 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:35,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:35,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.29 ms. Allocated memory is still 140.5 MB. Free memory was 104.0 MB in the beginning and 102.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:35,796 INFO L168 Benchmark]: Boogie Preprocessor took 32.41 ms. Allocated memory is still 140.5 MB. Free memory was 102.2 MB in the beginning and 101.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:35,797 INFO L168 Benchmark]: RCFGBuilder took 636.08 ms. Allocated memory is still 140.5 MB. Free memory was 100.8 MB in the beginning and 88.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:35,799 INFO L168 Benchmark]: Abstract Interpretation took 373.87 ms. Allocated memory is still 140.5 MB. Free memory was 88.3 MB in the beginning and 71.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:35,805 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 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 105.3 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 38.29 ms. Allocated memory is still 140.5 MB. Free memory was 104.0 MB in the beginning and 102.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.41 ms. Allocated memory is still 140.5 MB. Free memory was 102.2 MB in the beginning and 101.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 636.08 ms. Allocated memory is still 140.5 MB. Free memory was 100.8 MB in the beginning and 88.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 373.87 ms. Allocated memory is still 140.5 MB. Free memory was 88.3 MB in the beginning and 71.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 86]: 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; [L15] COND TRUE of == false [L16] COND FALSE !(x0 == true) [L20] x0 := true; [L22] COND FALSE !(of == true) [L31] COND FALSE !(of == true) [L40] COND FALSE !(of == true) [L49] COND FALSE !(of == true) [L58] COND FALSE !(of == true) [L67] COND FALSE !(of == true) [L76] COND FALSE !(of == true) [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND FALSE !(x1 == true) [L27] x1 := true; [L28] of := false; [L31] COND FALSE !(of == true) [L40] COND FALSE !(of == true) [L49] COND FALSE !(of == true) [L58] COND FALSE !(of == true) [L67] COND FALSE !(of == true) [L76] COND FALSE !(of == true) [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND TRUE x1 == true [L24] x1 := false; [L31] COND TRUE of == true [L32] COND FALSE !(x2 == true) [L36] x2 := true; [L37] of := false; [L40] COND FALSE !(of == true) [L49] COND FALSE !(of == true) [L58] COND FALSE !(of == true) [L67] COND FALSE !(of == true) [L76] COND FALSE !(of == true) [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND TRUE x1 == true [L24] x1 := false; [L31] COND TRUE of == true [L32] COND TRUE x2 == true [L33] x2 := false; [L40] COND TRUE of == true [L41] COND FALSE !(x3 == true) [L45] x3 := true; [L46] of := false; [L49] COND FALSE !(of == true) [L58] COND FALSE !(of == true) [L67] COND FALSE !(of == true) [L76] COND FALSE !(of == true) [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND TRUE x1 == true [L24] x1 := false; [L31] COND TRUE of == true [L32] COND TRUE x2 == true [L33] x2 := false; [L40] COND TRUE of == true [L41] COND TRUE x3 == true [L42] x3 := false; [L49] COND TRUE of == true [L50] COND FALSE !(x4 == true) [L54] x4 := true; [L55] of := false; [L58] COND FALSE !(of == true) [L67] COND FALSE !(of == true) [L76] COND FALSE !(of == true) [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND TRUE x1 == true [L24] x1 := false; [L31] COND TRUE of == true [L32] COND TRUE x2 == true [L33] x2 := false; [L40] COND TRUE of == true [L41] COND TRUE x3 == true [L42] x3 := false; [L49] COND TRUE of == true [L50] COND TRUE x4 == true [L51] x4 := false; [L58] COND TRUE of == true [L59] COND FALSE !(x5 == true) [L63] x5 := true; [L64] of := false; [L67] COND FALSE !(of == true) [L76] COND FALSE !(of == true) [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND TRUE x1 == true [L24] x1 := false; [L31] COND TRUE of == true [L32] COND TRUE x2 == true [L33] x2 := false; [L40] COND TRUE of == true [L41] COND TRUE x3 == true [L42] x3 := false; [L49] COND TRUE of == true [L50] COND TRUE x4 == true [L51] x4 := false; [L58] COND TRUE of == true [L59] COND TRUE x5 == true [L60] x5 := false; [L67] COND TRUE of == true [L68] COND FALSE !(x6 == true) [L72] x6 := true; [L73] of := false; [L76] COND FALSE !(of == true) [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND TRUE x1 == true [L24] x1 := false; [L31] COND TRUE of == true [L32] COND TRUE x2 == true [L33] x2 := false; [L40] COND TRUE of == true [L41] COND TRUE x3 == true [L42] x3 := false; [L49] COND TRUE of == true [L50] COND TRUE x4 == true [L51] x4 := false; [L58] COND TRUE of == true [L59] COND TRUE x5 == true [L60] x5 := false; [L67] COND TRUE of == true [L68] COND TRUE x6 == true [L69] x6 := false; [L76] COND TRUE of == true [L77] COND FALSE !(x7 == true) [L81] x7 := true; [L82] of := false; [L15] COND TRUE of == false [L16] COND TRUE x0 == true [L17] x0 := false; [L18] of := true; [L22] COND TRUE of == true [L23] COND TRUE x1 == true [L24] x1 := false; [L31] COND TRUE of == true [L32] COND TRUE x2 == true [L33] x2 := false; [L40] COND TRUE of == true [L41] COND TRUE x3 == true [L42] x3 := false; [L49] COND TRUE of == true [L50] COND TRUE x4 == true [L51] x4 := false; [L58] COND TRUE of == true [L59] COND TRUE x5 == true [L60] x5 := false; [L67] COND TRUE of == true [L68] COND TRUE x6 == true [L69] x6 := false; [L76] COND TRUE of == true [L77] COND TRUE x7 == true [L78] x7 := false; [L15] COND FALSE !(of == false) [L86] assert !x0 && !x1 && !x2 && !x3 && !x4 && !x5 && !x6 && !x7; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...