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/20170304-DifficultPathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:14,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:14,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:14,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:14,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:14,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:14,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:14,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:14,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:14,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:14,414 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:14,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:14,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:14,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:14,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:14,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:14,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:14,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:14,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:14,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:14,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:14,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:14,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:14,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:14,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:14,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:14,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:14,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:14,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:14,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:14,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:14,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:14,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:14,444 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 12:15:14,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:14,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:14,469 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:14,470 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:14,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:14,470 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:14,470 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:14,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:14,471 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:14,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:14,472 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:14,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:14,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:14,472 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:14,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:14,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:14,475 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:14,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:14,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:14,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:14,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:14,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:14,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:14,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:14,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:14,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:14,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:14,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:14,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:14,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:14,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:14,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:14,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:14,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:14,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:14,481 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:14,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:14,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:14,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:14,481 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:14,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:14,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:14,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:14,556 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:14,557 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:14,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl [2019-08-05 12:15:14,558 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl' [2019-08-05 12:15:14,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:14,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:14,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:14,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:14,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:14,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:14,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:14,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:14,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:14,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (1/1) ... [2019-08-05 12:15:14,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:14,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:14,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:14,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:14,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:14" (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 12:15:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:15,323 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:15,323 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:15:15,324 INFO L202 PluginConnector]: Adding new model pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:15 BoogieIcfgContainer [2019-08-05 12:15:15,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:15,325 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:15,326 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:15,327 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:15,328 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:15" (1/1) ... [2019-08-05 12:15:15,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:15,684 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:15,740 INFO L272 AbstractInterpreter]: Visited 20 different actions 67 times. Merged at 15 different actions 31 times. Never widened. Performed 778 root evaluator evaluations with a maximum evaluation depth of 4. Performed 778 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 15 fixpoints after 9 different actions. Largest state had 0 variables. [2019-08-05 12:15:15,740 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:15,746 INFO L168 Benchmark]: Toolchain (without parser) took 1100.53 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 106.4 MB in the beginning and 149.3 MB in the end (delta: -42.9 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:15,750 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:15,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 141.0 MB. Free memory was 106.2 MB in the beginning and 104.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:15,755 INFO L168 Benchmark]: Boogie Preprocessor took 53.18 ms. Allocated memory is still 141.0 MB. Free memory was 104.5 MB in the beginning and 103.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:15,757 INFO L168 Benchmark]: RCFGBuilder took 582.99 ms. Allocated memory is still 141.0 MB. Free memory was 103.2 MB in the beginning and 85.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:15,759 INFO L168 Benchmark]: Abstract Interpretation took 414.99 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 85.4 MB in the beginning and 149.3 MB in the end (delta: -63.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:15,767 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 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 141.0 MB. Free memory was 106.2 MB in the beginning and 104.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.18 ms. Allocated memory is still 141.0 MB. Free memory was 104.5 MB in the beginning and 103.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 582.99 ms. Allocated memory is still 141.0 MB. Free memory was 103.2 MB in the beginning and 85.6 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 414.99 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 85.4 MB in the beginning and 149.3 MB in the end (delta: -63.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 304]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L85] ~r1 := 0; [L86] ~p1_old := 0; [L87] ~p1_new := 0; [L88] ~id1 := 0; [L89] ~st1 := 0; [L90] ~mode1 := 0; [L91] ~p2_old := 0; [L92] ~p2_new := 0; [L93] ~id2 := 0; [L94] ~st2 := 0; [L95] ~mode2 := 0; [L96] ~p3_old := 0; [L97] ~p3_new := 0; [L98] ~id3 := 0; [L99] ~st3 := 0; [L100] ~mode3 := 0; [L101] ~nomsg := -1; [L102] ~send1 := 0; [L103] ~send2 := 0; [L104] ~send3 := 0; [L105] havoc main_#res; [L106] havoc main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16, main_#t~ret17, main_#t~post18, main_~c1~72, main_~i2~72; [L107] havoc main_~c1~72; [L108] havoc main_~i2~72; [L109] main_~c1~72 := 0; [L110] assume -128 <= main_#t~nondet3 && main_#t~nondet3 <= 127; [L111] ~r1 := main_#t~nondet3; [L112] havoc main_#t~nondet3; [L113] assume -128 <= main_#t~nondet4 && main_#t~nondet4 <= 127; [L114] ~id1 := main_#t~nondet4; [L115] havoc main_#t~nondet4; [L116] assume -128 <= main_#t~nondet5 && main_#t~nondet5 <= 127; [L117] ~st1 := main_#t~nondet5; [L118] havoc main_#t~nondet5; [L119] assume -128 <= main_#t~nondet6 && main_#t~nondet6 <= 127; [L120] ~send1 := main_#t~nondet6; [L121] havoc main_#t~nondet6; [L122] ~mode1 := main_#t~nondet7; [L123] havoc main_#t~nondet7; [L124] assume -128 <= main_#t~nondet8 && main_#t~nondet8 <= 127; [L125] ~id2 := main_#t~nondet8; [L126] havoc main_#t~nondet8; [L127] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L128] ~st2 := main_#t~nondet9; [L129] havoc main_#t~nondet9; [L130] assume -128 <= main_#t~nondet10 && main_#t~nondet10 <= 127; [L131] ~send2 := main_#t~nondet10; [L132] havoc main_#t~nondet10; [L133] ~mode2 := main_#t~nondet11; [L134] havoc main_#t~nondet11; [L135] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L136] ~id3 := main_#t~nondet12; [L137] havoc main_#t~nondet12; [L138] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L139] ~st3 := main_#t~nondet13; [L140] havoc main_#t~nondet13; [L141] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L142] ~send3 := main_#t~nondet14; [L143] havoc main_#t~nondet14; [L144] ~mode3 := main_#t~nondet15; [L145] havoc main_#t~nondet15; [L146] havoc init_#res; [L147] havoc init_~tmp~28; [L148] havoc init_~tmp~28; [L149] assume ~r1 == 0; [L150] assume ~id1 >= 0; [L151] assume ~st1 == 0; [L152] assume ~send1 == ~id1; [L153] assume ~mode1 % 256 == 0; [L154] assume ~id2 >= 0; [L155] assume ~st2 == 0; [L156] assume ~send2 == ~id2; [L157] assume ~mode2 % 256 == 0; [L158] assume ~id3 >= 0; [L159] assume ~st3 == 0; [L160] assume ~send3 == ~id3; [L161] assume ~mode3 % 256 == 0; [L162] assume ~id1 != ~id2; [L163] assume ~id1 != ~id3; [L164] assume ~id2 != ~id3; [L165] init_~tmp~28 := 1; [L166] init_#res := init_~tmp~28; [L167] main_#t~ret16 := init_#res; [L168] assume -2147483648 <= main_#t~ret16 && main_#t~ret16 <= 2147483647; [L169] main_~i2~72 := main_#t~ret16; [L170] havoc main_#t~ret16; [L171] assume main_~i2~72 != 0; [L172] ~p1_old := ~nomsg; [L173] ~p1_new := ~nomsg; [L174] ~p2_old := ~nomsg; [L175] ~p2_new := ~nomsg; [L176] ~p3_old := ~nomsg; [L177] ~p3_new := ~nomsg; [L178] main_~i2~72 := 0; [L182] assume !!(main_~i2~72 < 6); [L183] havoc node1_#t~ite0, node1_~m1~7; [L184] havoc node1_~m1~7; [L185] node1_~m1~7 := ~nomsg; [L190] assume !(~mode1 % 256 != 0); [L191] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L192] node1_#t~ite0 := ~send1; [L193] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L194] havoc node1_#t~ite0; [L195] ~mode1 := 1; [L206] havoc node2_#t~ite1, node2_~m2~14; [L207] havoc node2_~m2~14; [L208] node2_~m2~14 := ~nomsg; [L220] assume !(~mode2 % 256 != 0); [L221] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L222] node2_#t~ite1 := ~send2; [L223] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L224] havoc node2_#t~ite1; [L225] ~mode2 := 1; [L228] havoc node3_#t~ite2, node3_~m3~21; [L229] havoc node3_~m3~21; [L230] node3_~m3~21 := ~nomsg; [L242] assume !(~mode3 % 256 != 0); [L243] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L244] node3_#t~ite2 := ~send3; [L245] ~p3_new := (if node3_#t~ite2 % 256 <= 127 then node3_#t~ite2 % 256 else node3_#t~ite2 % 256 - 256); [L246] havoc node3_#t~ite2; [L247] ~mode3 := 1; [L250] ~p1_old := ~p1_new; [L251] ~p1_new := ~nomsg; [L252] ~p2_old := ~p2_new; [L253] ~p2_new := ~nomsg; [L254] ~p3_old := ~p3_new; [L255] ~p3_new := ~nomsg; [L256] havoc check_#res; [L257] havoc check_~tmp~62; [L258] havoc check_~tmp~62; [L259] assume ~st1 + ~st2 + ~st3 <= 1; [L267] assume !(~r1 >= 3); [L268] assume ~st1 + ~st2 + ~st3 == 0; [L273] assume ~r1 < 3; [L274] check_~tmp~62 := 1; [L282] check_#res := check_~tmp~62; [L283] main_#t~ret17 := check_#res; [L284] assume -2147483648 <= main_#t~ret17 && main_#t~ret17 <= 2147483647; [L285] main_~c1~72 := main_#t~ret17; [L286] havoc main_#t~ret17; [L287] assert_#in~arg := (if main_~c1~72 == 0 then 0 else 1); [L288] havoc assert_~arg; [L289] assert_~arg := assert_#in~arg; [L298] assume !(assert_~arg % 256 == 0); [L299] main_#t~post18 := main_~i2~72; [L300] main_~i2~72 := main_#t~post18 + 1; [L301] havoc main_#t~post18; [L182] assume !!(main_~i2~72 < 6); [L183] havoc node1_#t~ite0, node1_~m1~7; [L184] havoc node1_~m1~7; [L185] node1_~m1~7 := ~nomsg; [L198] assume ~mode1 % 256 != 0; [L199] ~r1 := (if (~r1 + 1) % 256 <= 127 then (~r1 + 1) % 256 else (~r1 + 1) % 256 - 256); [L200] node1_~m1~7 := ~p3_old; [L201] ~p3_old := ~nomsg; [L202] assume !(node1_~m1~7 != ~nomsg); [L203] ~mode1 := 0; [L206] havoc node2_#t~ite1, node2_~m2~14; [L207] havoc node2_~m2~14; [L208] node2_~m2~14 := ~nomsg; [L213] assume ~mode2 % 256 != 0; [L214] node2_~m2~14 := ~p1_old; [L215] ~p1_old := ~nomsg; [L216] assume !(node2_~m2~14 != ~nomsg); [L217] ~mode2 := 0; [L228] havoc node3_#t~ite2, node3_~m3~21; [L229] havoc node3_~m3~21; [L230] node3_~m3~21 := ~nomsg; [L235] assume ~mode3 % 256 != 0; [L236] node3_~m3~21 := ~p2_old; [L237] ~p2_old := ~nomsg; [L238] assume !(node3_~m3~21 != ~nomsg); [L239] ~mode3 := 0; [L250] ~p1_old := ~p1_new; [L251] ~p1_new := ~nomsg; [L252] ~p2_old := ~p2_new; [L253] ~p2_new := ~nomsg; [L254] ~p3_old := ~p3_new; [L255] ~p3_new := ~nomsg; [L256] havoc check_#res; [L257] havoc check_~tmp~62; [L258] havoc check_~tmp~62; [L259] assume ~st1 + ~st2 + ~st3 <= 1; [L267] assume !(~r1 >= 3); [L268] assume ~st1 + ~st2 + ~st3 == 0; [L277] assume !(~r1 < 3); [L278] assume !(~st1 + ~st2 + ~st3 == 1); [L279] check_~tmp~62 := 0; [L282] check_#res := check_~tmp~62; [L283] main_#t~ret17 := check_#res; [L284] assume -2147483648 <= main_#t~ret17 && main_#t~ret17 <= 2147483647; [L285] main_~c1~72 := main_#t~ret17; [L286] havoc main_#t~ret17; [L287] assert_#in~arg := (if main_~c1~72 == 0 then 0 else 1); [L288] havoc assert_~arg; [L289] assert_~arg := assert_#in~arg; [L294] assume assert_~arg % 256 == 0; [L295] assume !false; [L304] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...