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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:05:28,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:05:28,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:05:28,359 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:05:28,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:05:28,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:05:28,362 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:05:28,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:05:28,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:05:28,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:05:28,368 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:05:28,396 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2018-12-03 20:05:28,409 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:05:28,410 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:05:28,411 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:05:28,411 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:05:28,411 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:05:28,411 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:05:28,412 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:05:28,412 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:05:28,412 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:05:28,412 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:05:28,412 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:05:28,413 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:05:28,413 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:05:28,413 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:05:28,413 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:05:28,414 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:05:28,414 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:05:28,415 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:05:28,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:05:28,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:05:28,415 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:05:28,415 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:05:28,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:05:28,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:05:28,416 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:05:28,416 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:05:28,416 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:05:28,417 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:05:28,417 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:05:28,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:05:28,417 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:05:28,417 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:05:28,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:05:28,418 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:05:28,418 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:05:28,418 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:05:28,419 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:05:28,419 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:05:28,419 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:05:28,419 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:05:28,419 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:05:28,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:05:28,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:05:28,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:05:28,470 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:05:28,470 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:05:28,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl [2018-12-03 20:05:28,471 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl' [2018-12-03 20:05:28,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:05:28,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:05:28,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:28,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:05:28,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:05:28,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:28,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:05:28,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:05:28,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:05:28,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:05:28,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:05:28,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:05:28,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:05:28,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (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 [2018-12-03 20:05:28,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-12-03 20:05:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:05:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:05:29,271 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:05:29,272 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 20:05:29,272 INFO L202 PluginConnector]: Adding new model pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:29 BoogieIcfgContainer [2018-12-03 20:05:29,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:05:29,273 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:05:29,273 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:05:29,274 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:05:29,275 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr.3.ufo.BOUNDED-6.pals.c_13.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:29" (1/1) ... [2018-12-03 20:05:29,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:05:30,428 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:05:30,454 INFO L272 AbstractInterpreter]: Visited 23 different actions 132 times. Merged at 21 different actions 73 times. Widened at 7 different actions 7 times. Found 24 fixpoints after 12 different actions. Largest state had 0 variables. [2018-12-03 20:05:30,457 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:05:30,458 INFO L168 Benchmark]: Toolchain (without parser) took 1922.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:30,460 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:30,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:30,462 INFO L168 Benchmark]: Boogie Preprocessor took 33.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:30,463 INFO L168 Benchmark]: RCFGBuilder took 656.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:30,464 INFO L168 Benchmark]: Abstract Interpretation took 1183.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:30,469 INFO L336 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 656.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1183.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 309]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L77] ~r1 := 0; [L78] ~p1_old := 0; [L79] ~p1_new := 0; [L80] ~id1 := 0; [L81] ~st1 := 0; [L82] ~mode1 := 0; [L83] ~p2_old := 0; [L84] ~p2_new := 0; [L85] ~id2 := 0; [L86] ~st2 := 0; [L87] ~mode2 := 0; [L88] ~p3_old := 0; [L89] ~p3_new := 0; [L90] ~id3 := 0; [L91] ~st3 := 0; [L92] ~mode3 := 0; [L93] ~nomsg := -1; [L94] ~send1 := 0; [L95] ~send2 := 0; [L96] ~send3 := 0; [L97] havoc main_#res; [L98] 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~post18, main_#t~ret16, main_#t~ret17, main_~i2~72, main_#t~nondet15, main_~c1~72; [L99] havoc main_~c1~72; [L100] havoc main_~i2~72; [L101] main_~c1~72 := 0; [L102] assume 0 <= main_#t~nondet3 + 128 && main_#t~nondet3 <= 127; [L103] ~r1 := main_#t~nondet3; [L104] havoc main_#t~nondet3; [L105] assume main_#t~nondet4 <= 127 && 0 <= main_#t~nondet4 + 128; [L106] ~id1 := main_#t~nondet4; [L107] havoc main_#t~nondet4; [L108] assume main_#t~nondet5 <= 127 && 0 <= main_#t~nondet5 + 128; [L109] ~st1 := main_#t~nondet5; [L110] havoc main_#t~nondet5; [L111] assume main_#t~nondet6 <= 127 && 0 <= main_#t~nondet6 + 128; [L112] ~send1 := main_#t~nondet6; [L113] havoc main_#t~nondet6; [L114] ~mode1 := main_#t~nondet7; [L115] havoc main_#t~nondet7; [L116] assume main_#t~nondet8 <= 127 && 0 <= main_#t~nondet8 + 128; [L117] ~id2 := main_#t~nondet8; [L118] havoc main_#t~nondet8; [L119] assume main_#t~nondet9 <= 127 && 0 <= main_#t~nondet9 + 128; [L120] ~st2 := main_#t~nondet9; [L121] havoc main_#t~nondet9; [L122] assume 0 <= main_#t~nondet10 + 128 && main_#t~nondet10 <= 127; [L123] ~send2 := main_#t~nondet10; [L124] havoc main_#t~nondet10; [L125] ~mode2 := main_#t~nondet11; [L126] havoc main_#t~nondet11; [L127] assume 0 <= main_#t~nondet12 + 128 && main_#t~nondet12 <= 127; [L128] ~id3 := main_#t~nondet12; [L129] havoc main_#t~nondet12; [L130] assume main_#t~nondet13 <= 127 && 0 <= main_#t~nondet13 + 128; [L131] ~st3 := main_#t~nondet13; [L132] havoc main_#t~nondet13; [L133] assume main_#t~nondet14 <= 127 && 0 <= main_#t~nondet14 + 128; [L134] ~send3 := main_#t~nondet14; [L135] havoc main_#t~nondet14; [L136] ~mode3 := main_#t~nondet15; [L137] havoc main_#t~nondet15; [L138] havoc init_#res; [L139] havoc init_~tmp~28; [L140] havoc init_~tmp~28; [L141] assume ~r1 == 0; [L142] assume 0 <= ~id1; [L143] assume ~st1 == 0; [L144] assume ~send1 == ~id1; [L145] assume ~mode1 - 256 == 0; [L146] assume 0 <= ~id2; [L147] assume ~st2 == 0; [L148] assume ~send2 == ~id2; [L149] assume ~mode2 % 256 == 0 && 256 + 256 <= ~mode2; [L150] assume 0 <= ~id3; [L151] assume ~st3 == 0; [L152] assume ~send3 == ~id3; [L153] assume ~mode3 == 0; [L154] assume !(~id1 == ~id2); [L155] assume !(~id1 == ~id3); [L156] assume !(~id2 == ~id3); [L157] init_~tmp~28 := 1; [L158] init_#res := init_~tmp~28; [L159] main_#t~ret16 := init_#res; [L160] assume 0 <= main_#t~ret16 + 2147483648 && main_#t~ret16 <= 2147483647; [L161] main_~i2~72 := main_#t~ret16; [L162] havoc main_#t~ret16; [L163] assume !(main_~i2~72 == 0); [L164] ~p1_old := ~nomsg; [L165] ~p1_new := ~nomsg; [L166] ~p2_old := ~nomsg; [L167] ~p2_new := ~nomsg; [L168] ~p3_old := ~nomsg; [L169] ~p3_new := ~nomsg; [L170] main_~i2~72 := 0; [L173] assume main_~i2~72 < 6; [L174] havoc node1_#t~ite0, node1_~m1~7; [L175] havoc node1_~m1~7; [L176] node1_~m1~7 := ~nomsg; [L190] assume (!(~mode1 == 0) && ~mode1 < 256) && 0 <= ~mode1; [L191] assume (~r1 <= 126 && 0 <= ~r1 + 1) && ~r1 + 1 < 256; [L192] ~r1 := ~r1 + 1; [L193] node1_~m1~7 := ~p3_old; [L194] ~p3_old := ~nomsg; [L195] assume node1_~m1~7 == ~nomsg; [L196] ~mode1 := 0; [L199] havoc node2_~m2~14, node2_#t~ite1; [L200] havoc node2_~m2~14; [L201] node2_~m2~14 := ~nomsg; [L206] assume (0 <= ~mode2 && ~mode2 < 256) && !(~mode2 == 0); [L207] node2_~m2~14 := ~p1_old; [L208] ~p1_old := ~nomsg; [L209] assume node2_~m2~14 == ~nomsg; [L210] ~mode2 := 0; [L222] havoc node3_#t~ite2, node3_~m3~21; [L223] havoc node3_~m3~21; [L224] node3_~m3~21 := ~nomsg; [L236] assume ~mode3 == 0; [L237] assume ~p3_new == ~nomsg && !(~send3 == ~nomsg); [L238] node3_#t~ite2 := ~send3; [L239] assume (node3_#t~ite2 < 256 && 0 <= node3_#t~ite2) && node3_#t~ite2 <= 127; [L240] ~p3_new := node3_#t~ite2; [L241] havoc node3_#t~ite2; [L242] ~mode3 := 1; [L245] ~p1_old := ~p1_new; [L246] ~p1_new := ~nomsg; [L247] ~p2_old := ~p2_new; [L248] ~p2_new := ~nomsg; [L249] ~p3_old := ~p3_new; [L250] ~p3_new := ~nomsg; [L251] havoc check_#res; [L252] havoc check_~tmp~62; [L253] havoc check_~tmp~62; [L254] assume ~st2 + ~st1 + ~st3 <= 1; [L263] assume 3 <= ~r1; [L272] assume !(~r1 < 3); [L273] assume !(~st2 + ~st1 + ~st3 == 1); [L274] check_~tmp~62 := 0; [L277] check_#res := check_~tmp~62; [L278] main_#t~ret17 := check_#res; [L279] assume main_#t~ret17 <= 2147483647 && 0 <= main_#t~ret17 + 2147483648; [L280] main_~c1~72 := main_#t~ret17; [L281] havoc main_#t~ret17; [L290] assume main_~c1~72 == 0; [L291] assert_#in~arg := 0; [L294] havoc assert_~arg; [L295] assert_~arg := assert_#in~arg; [L306] assume assert_~arg == 0; [L309] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...