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/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:59:58,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:59:58,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:59:58,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 21:59:58,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:59:58,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:59:58,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:59:58,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:59:58,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:59:58,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:59:58,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:59:58,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:59:58,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:59:58,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:59:58,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:59:58,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:59:58,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-04 21:59:58,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:59:58,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:59:58,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:59:58,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:59:58,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:59:58,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:59:58,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:59:58,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 21:59:58,407 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 [2019-08-04 21:59:58,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 21:59:58,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 21:59:58,426 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 21:59:58,426 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 21:59:58,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 21:59:58,427 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 21:59:58,427 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 21:59:58,427 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 21:59:58,428 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 21:59:58,429 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 21:59:58,429 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 21:59:58,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 21:59:58,430 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 21:59:58,431 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 21:59:58,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 21:59:58,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 21:59:58,432 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 21:59:58,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 21:59:58,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 21:59:58,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 21:59:58,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 21:59:58,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 21:59:58,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 21:59:58,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 21:59:58,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 21:59:58,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 21:59:58,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 21:59:58,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 21:59:58,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 21:59:58,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 21:59:58,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 21:59:58,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 21:59:58,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 21:59:58,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 21:59:58,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 21:59:58,439 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 21:59:58,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 21:59:58,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 21:59:58,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 21:59:58,440 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 21:59:58,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:59:58,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:59:58,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:59:58,515 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:59:58,516 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:59:58,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl [2019-08-04 21:59:58,517 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl' [2019-08-04 21:59:58,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:59:58,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:59:58,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:58,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:59:58,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:59:58,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:58,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:59:58,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:59:58,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:59:58,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (1/1) ... [2019-08-04 21:59:58,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:59:58,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:59:58,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:59:58,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:59:58,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:58" (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 [2019-08-04 21:59:58,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-04 21:59:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:59:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:59:59,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:59:59,286 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:59:59,288 INFO L202 PluginConnector]: Adding new model pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:59 BoogieIcfgContainer [2019-08-04 21:59:59,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:59:59,288 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 21:59:59,289 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 21:59:59,289 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 21:59:59,290 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:59" (1/1) ... [2019-08-04 21:59:59,322 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 21:59:59,789 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 21:59:59,829 INFO L272 AbstractInterpreter]: Visited 23 different actions 134 times. Merged at 20 different actions 76 times. Widened at 8 different actions 8 times. Performed 1299 root evaluator evaluations with a maximum evaluation depth of 5. Performed 1299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 33 fixpoints after 13 different actions. Largest state had 0 variables. [2019-08-04 21:59:59,829 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 21:59:59,834 INFO L168 Benchmark]: Toolchain (without parser) took 1256.19 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 101.4 MB in the beginning and 140.1 MB in the end (delta: -38.8 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:59,835 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory is still 103.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 21:59:59,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.87 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 99.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:59,843 INFO L168 Benchmark]: Boogie Preprocessor took 30.27 ms. Allocated memory is still 138.4 MB. Free memory was 99.6 MB in the beginning and 98.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:59,845 INFO L168 Benchmark]: RCFGBuilder took 641.90 ms. Allocated memory is still 138.4 MB. Free memory was 98.3 MB in the beginning and 80.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:59,846 INFO L168 Benchmark]: Abstract Interpretation took 540.61 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 80.6 MB in the beginning and 140.1 MB in the end (delta: -59.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 21:59:59,852 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 138.4 MB. Free memory is still 103.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.87 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 99.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.27 ms. Allocated memory is still 138.4 MB. Free memory was 99.6 MB in the beginning and 98.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 641.90 ms. Allocated memory is still 138.4 MB. Free memory was 98.3 MB in the beginning and 80.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 540.61 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 80.6 MB in the beginning and 140.1 MB in the end (delta: -59.6 MB). There was no memory consumed. 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: [L76] ~r1 := 0; [L77] ~p1_old := 0; [L78] ~p1_new := 0; [L79] ~id1 := 0; [L80] ~st1 := 0; [L81] ~mode1 := 0; [L82] ~p2_old := 0; [L83] ~p2_new := 0; [L84] ~id2 := 0; [L85] ~st2 := 0; [L86] ~mode2 := 0; [L87] ~p3_old := 0; [L88] ~p3_new := 0; [L89] ~id3 := 0; [L90] ~st3 := 0; [L91] ~mode3 := 0; [L92] ~nomsg := -1; [L93] ~send1 := 0; [L94] ~send2 := 0; [L95] ~send3 := 0; [L96] havoc main_#res; [L97] havoc main_#t~nondet10, main_#t~nondet4, main_#t~nondet11, main_#t~nondet5, main_#t~nondet12, main_#t~nondet13, main_#t~nondet3, main_#t~nondet14, main_#t~nondet8, main_#t~nondet9, main_#t~nondet6, main_#t~nondet7, main_#t~ret16, main_#t~ret17, main_#t~nondet15, main_~i2~73, main_~c1~73; [L98] havoc main_~c1~73; [L99] havoc main_~i2~73; [L100] main_~c1~73 := 0; [L101] ~r1 := main_#t~nondet3; [L102] havoc main_#t~nondet3; [L103] assume main_#t~nondet4 <= 127 && 0 <= main_#t~nondet4 + 128; [L104] ~id1 := main_#t~nondet4; [L105] havoc main_#t~nondet4; [L106] assume main_#t~nondet5 <= 127 && 0 <= main_#t~nondet5 + 128; [L107] ~st1 := main_#t~nondet5; [L108] havoc main_#t~nondet5; [L109] assume main_#t~nondet6 <= 127 && 0 <= main_#t~nondet6 + 128; [L110] ~send1 := main_#t~nondet6; [L111] havoc main_#t~nondet6; [L112] ~mode1 := main_#t~nondet7; [L113] havoc main_#t~nondet7; [L114] assume main_#t~nondet8 <= 127 && 0 <= main_#t~nondet8 + 128; [L115] ~id2 := main_#t~nondet8; [L116] havoc main_#t~nondet8; [L117] assume main_#t~nondet9 <= 127 && 0 <= main_#t~nondet9 + 128; [L118] ~st2 := main_#t~nondet9; [L119] havoc main_#t~nondet9; [L120] assume 0 <= main_#t~nondet10 + 128 && main_#t~nondet10 <= 127; [L121] ~send2 := main_#t~nondet10; [L122] havoc main_#t~nondet10; [L123] ~mode2 := main_#t~nondet11; [L124] havoc main_#t~nondet11; [L125] assume 0 <= main_#t~nondet12 + 128 && main_#t~nondet12 <= 127; [L126] ~id3 := main_#t~nondet12; [L127] havoc main_#t~nondet12; [L128] assume main_#t~nondet13 <= 127 && 0 <= main_#t~nondet13 + 128; [L129] ~st3 := main_#t~nondet13; [L130] havoc main_#t~nondet13; [L131] assume main_#t~nondet14 <= 127 && 0 <= main_#t~nondet14 + 128; [L132] ~send3 := main_#t~nondet14; [L133] havoc main_#t~nondet14; [L134] ~mode3 := main_#t~nondet15; [L135] havoc main_#t~nondet15; [L136] havoc init_#res; [L137] havoc init_~tmp~29; [L138] havoc init_~tmp~29; [L139] assume ~r1 == 0; [L140] assume 0 <= ~id1; [L141] assume ~st1 == 0; [L142] assume ~send1 == ~id1; [L143] assume ~mode1 % 256 == 0 && 256 + 256 <= ~mode1; [L144] assume 0 <= ~id2; [L145] assume ~st2 == 0; [L146] assume ~send2 == ~id2; [L147] assume ~mode2 + 256 == 0; [L148] assume 0 <= ~id3; [L149] assume ~st3 == 0; [L150] assume ~send3 == ~id3; [L151] assume ~mode3 == 0; [L152] assume !(~id1 == ~id2); [L153] assume !(~id1 == ~id3); [L154] assume !(~id2 == ~id3); [L155] init_~tmp~29 := 1; [L156] init_#res := init_~tmp~29; [L157] main_#t~ret16 := init_#res; [L158] assume 0 <= main_#t~ret16 + 2147483648 && main_#t~ret16 <= 2147483647; [L159] main_~i2~73 := main_#t~ret16; [L160] havoc main_#t~ret16; [L161] assume !(main_~i2~73 == 0); [L162] ~p1_old := ~nomsg; [L163] ~p1_new := ~nomsg; [L164] ~p2_old := ~nomsg; [L165] ~p2_new := ~nomsg; [L166] ~p3_old := ~nomsg; [L167] ~p3_new := ~nomsg; [L168] main_~i2~73 := 0; [L171] havoc node1_#t~ite0, node1_~m1~7; [L172] havoc node1_~m1~7; [L173] node1_~m1~7 := ~nomsg; [L178] assume (!(~mode1 == 0) && ~mode1 < 256) && 0 <= ~mode1; [L179] assume (!(~r1 == 255) && ~r1 < 256) && 0 <= ~r1; [L180] assume 0 <= ~r1 && ~r1 < 256; [L181] ~r1 := ~r1 + 1; [L182] node1_~m1~7 := ~p3_old; [L183] ~p3_old := ~nomsg; [L184] assume node1_~m1~7 == ~nomsg; [L185] ~mode1 := 0; [L197] havoc node2_#t~ite1, node2_~m2~15; [L198] havoc node2_~m2~15; [L199] node2_~m2~15 := ~nomsg; [L213] assume (0 <= ~mode2 && ~mode2 < 256) && !(~mode2 == 0); [L214] node2_~m2~15 := ~p1_old; [L215] ~p1_old := ~nomsg; [L216] assume node2_~m2~15 == ~nomsg; [L217] ~mode2 := 0; [L220] havoc node3_#t~ite2, node3_~m3~22; [L221] havoc node3_~m3~22; [L222] node3_~m3~22 := ~nomsg; [L234] assume ~mode3 == 0; [L235] assume ~p3_new == ~nomsg && !(~send3 == ~nomsg); [L236] node3_#t~ite2 := ~send3; [L237] assume (node3_#t~ite2 < 256 && 0 <= node3_#t~ite2) && node3_#t~ite2 <= 127; [L238] ~p3_new := node3_#t~ite2; [L239] havoc node3_#t~ite2; [L240] ~mode3 := 1; [L243] ~p1_old := ~p1_new; [L244] ~p1_new := ~nomsg; [L245] ~p2_old := ~p2_new; [L246] ~p2_new := ~nomsg; [L247] ~p3_old := ~p3_new; [L248] ~p3_new := ~nomsg; [L249] havoc check_#res; [L250] havoc check_~tmp~63; [L251] havoc check_~tmp~63; [L252] assume ~st2 + ~st1 + ~st3 <= 1; [L260] assume !(3 <= ~r1) && 0 <= ~r1; [L261] assume ~st1 + ~st3 + ~st2 == 0; [L270] assume !(~r1 < 3) && ~r1 < 256; [L271] assume !(~st2 + ~st1 + ~st3 == 1); [L272] check_~tmp~63 := 0; [L275] check_#res := check_~tmp~63; [L276] main_#t~ret17 := check_#res; [L277] assume main_#t~ret17 <= 2147483647 && 0 <= main_#t~ret17 + 2147483648; [L278] main_~c1~73 := main_#t~ret17; [L279] havoc main_#t~ret17; [L284] assume main_~c1~73 == 0; [L285] assert_#in~arg := 0; [L292] havoc assert_~arg; [L293] assert_~arg := assert_#in~arg; [L301] assume assert_~arg == 0; [L304] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...