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 [2019-08-05 12:16:23,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:23,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:23,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:23,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:23,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:23,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:23,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:23,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:23,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:23,507 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:23,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:16:23,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:16:23,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:16:23,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:16:23,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:16:23,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:16:23,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:16:23,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:16:23,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:16:23,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:16:23,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:16:23,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:16:23,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:16:23,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:16:23,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:23,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:23,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:23,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:23,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:23,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:23,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:23,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:23,538 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 12:16:23,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:23,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:23,552 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:23,552 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:23,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:23,553 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:23,553 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:23,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:23,553 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:23,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:23,554 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:23,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:23,554 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:23,555 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:23,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:23,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:23,556 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:23,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:23,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:23,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:23,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:23,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:23,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:23,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:23,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:23,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:23,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:23,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:23,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:23,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:23,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:23,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:23,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:23,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:23,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:23,560 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:23,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:23,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:23,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:23,561 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:23,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:23,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:23,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:23,607 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:23,608 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:23,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl [2019-08-05 12:16:23,609 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.UNBOUNDED.pals.c_14.bplTransformedIcfg_BEv2_29.bpl' [2019-08-05 12:16:23,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:23,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:23,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:23,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:23,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:23,681 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,693 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:23,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:23,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:23,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:23,719 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,720 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,729 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,730 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,743 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,751 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,753 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 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:23,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:23,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:23,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:23,766 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 05.08 12:16:23" (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 12:16:23,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:16:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:16:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:16:24,410 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:16:24,411 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:24,412 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 05.08 12:16:24 BoogieIcfgContainer [2019-08-05 12:16:24,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:24,413 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:24,413 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:24,414 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:24,415 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 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:24,864 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:24,900 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. [2019-08-05 12:16:24,900 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:24,911 INFO L168 Benchmark]: Toolchain (without parser) took 1238.85 ms. Allocated memory was 140.5 MB in the beginning and 175.6 MB in the end (delta: 35.1 MB). Free memory was 106.8 MB in the beginning and 139.3 MB in the end (delta: -32.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:24,914 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:24,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.72 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 105.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:24,920 INFO L168 Benchmark]: Boogie Preprocessor took 54.18 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 103.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:24,923 INFO L168 Benchmark]: RCFGBuilder took 648.05 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 86.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:24,925 INFO L168 Benchmark]: Abstract Interpretation took 486.89 ms. Allocated memory was 140.5 MB in the beginning and 175.6 MB in the end (delta: 35.1 MB). Free memory was 86.0 MB in the beginning and 139.3 MB in the end (delta: -53.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:24,932 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 is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.72 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 105.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.18 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 103.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 648.05 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 86.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 486.89 ms. Allocated memory was 140.5 MB in the beginning and 175.6 MB in the end (delta: 35.1 MB). Free memory was 86.0 MB in the beginning and 139.3 MB in the end (delta: -53.3 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...