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.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:11,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:11,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:11,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:11,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:11,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:11,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:11,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:11,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:11,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:11,452 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:11,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:11,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:11,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:11,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:11,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:11,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:11,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:11,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:11,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:11,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:11,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:11,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:11,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:11,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:11,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:11,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:11,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:11,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:11,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:11,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:11,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:11,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:11,488 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 12:15:11,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:11,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:11,503 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:11,503 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:11,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:11,503 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:11,504 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:11,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:11,504 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:11,504 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:11,505 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:11,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:11,505 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:11,505 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:11,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:11,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:11,506 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:11,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:11,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:11,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:11,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:11,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:11,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:11,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:11,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:11,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:11,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:11,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:11,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:11,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:11,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:11,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:11,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:11,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:11,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:11,511 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:11,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:11,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:11,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:11,511 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:11,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:11,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:11,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:11,583 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:11,583 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:11,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl [2019-08-05 12:15:11,584 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl' [2019-08-05 12:15:11,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:11,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:11,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:11,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:11,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:11,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:11,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:11,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:11,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:11,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (1/1) ... [2019-08-05 12:15:11,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:11,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:11,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:11,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:11,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:11" (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 12:15:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:11,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:12,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:12,446 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:15:12,447 INFO L202 PluginConnector]: Adding new model pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:12 BoogieIcfgContainer [2019-08-05 12:15:12,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:12,448 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:12,449 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:12,449 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:12,450 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:12" (1/1) ... [2019-08-05 12:15:12,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:13,019 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:13,053 INFO L272 AbstractInterpreter]: Visited 23 different actions 134 times. Merged at 21 different actions 75 times. Widened at 1 different actions 1 times. Performed 1622 root evaluator evaluations with a maximum evaluation depth of 5. Performed 1622 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 31 fixpoints after 13 different actions. Largest state had 0 variables. [2019-08-05 12:15:13,053 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:13,057 INFO L168 Benchmark]: Toolchain (without parser) took 1388.71 ms. Allocated memory was 134.7 MB in the beginning and 170.9 MB in the end (delta: 36.2 MB). Free memory was 108.0 MB in the beginning and 123.2 MB in the end (delta: -15.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:13,058 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 110.1 MB in the beginning and 109.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:13,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.56 ms. Allocated memory is still 134.7 MB. Free memory was 107.8 MB in the beginning and 106.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:13,061 INFO L168 Benchmark]: Boogie Preprocessor took 39.04 ms. Allocated memory is still 134.7 MB. Free memory was 106.2 MB in the beginning and 104.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:13,062 INFO L168 Benchmark]: RCFGBuilder took 693.46 ms. Allocated memory is still 134.7 MB. Free memory was 104.7 MB in the beginning and 84.4 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:13,064 INFO L168 Benchmark]: Abstract Interpretation took 604.98 ms. Allocated memory was 134.7 MB in the beginning and 170.9 MB in the end (delta: 36.2 MB). Free memory was 84.4 MB in the beginning and 123.2 MB in the end (delta: -38.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:15:13,069 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 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 110.1 MB in the beginning and 109.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.56 ms. Allocated memory is still 134.7 MB. Free memory was 107.8 MB in the beginning and 106.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.04 ms. Allocated memory is still 134.7 MB. Free memory was 106.2 MB in the beginning and 104.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 693.46 ms. Allocated memory is still 134.7 MB. Free memory was 104.7 MB in the beginning and 84.4 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 604.98 ms. Allocated memory was 134.7 MB in the beginning and 170.9 MB in the end (delta: 36.2 MB). Free memory was 84.4 MB in the beginning and 123.2 MB in the end (delta: -38.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 370]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L105] ~r1 := 0; [L106] ~p1_old := 0; [L107] ~p1_new := 0; [L108] ~id1 := 0; [L109] ~st1 := 0; [L110] ~mode1 := 0; [L111] ~p2_old := 0; [L112] ~p2_new := 0; [L113] ~id2 := 0; [L114] ~st2 := 0; [L115] ~mode2 := 0; [L116] ~p3_old := 0; [L117] ~p3_new := 0; [L118] ~id3 := 0; [L119] ~st3 := 0; [L120] ~mode3 := 0; [L121] ~p4_old := 0; [L122] ~p4_new := 0; [L123] ~id4 := 0; [L124] ~st4 := 0; [L125] ~mode4 := 0; [L126] ~nomsg := -1; [L127] ~send1 := 0; [L128] ~send2 := 0; [L129] ~send3 := 0; [L130] ~send4 := 0; [L131] havoc main_#res; [L132] havoc 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~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21, main_#t~ret22, main_~c1~95, main_~i2~95; [L133] havoc main_~c1~95; [L134] havoc main_~i2~95; [L135] main_~c1~95 := 0; [L136] ~r1 := main_#t~nondet4; [L137] havoc main_#t~nondet4; [L138] assume -128 <= main_#t~nondet5 && main_#t~nondet5 <= 127; [L139] ~id1 := main_#t~nondet5; [L140] havoc main_#t~nondet5; [L141] assume -128 <= main_#t~nondet6 && main_#t~nondet6 <= 127; [L142] ~st1 := main_#t~nondet6; [L143] havoc main_#t~nondet6; [L144] assume -128 <= main_#t~nondet7 && main_#t~nondet7 <= 127; [L145] ~send1 := main_#t~nondet7; [L146] havoc main_#t~nondet7; [L147] ~mode1 := main_#t~nondet8; [L148] havoc main_#t~nondet8; [L149] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L150] ~id2 := main_#t~nondet9; [L151] havoc main_#t~nondet9; [L152] assume -128 <= main_#t~nondet10 && main_#t~nondet10 <= 127; [L153] ~st2 := main_#t~nondet10; [L154] havoc main_#t~nondet10; [L155] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L156] ~send2 := main_#t~nondet11; [L157] havoc main_#t~nondet11; [L158] ~mode2 := main_#t~nondet12; [L159] havoc main_#t~nondet12; [L160] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L161] ~id3 := main_#t~nondet13; [L162] havoc main_#t~nondet13; [L163] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L164] ~st3 := main_#t~nondet14; [L165] havoc main_#t~nondet14; [L166] assume -128 <= main_#t~nondet15 && main_#t~nondet15 <= 127; [L167] ~send3 := main_#t~nondet15; [L168] havoc main_#t~nondet15; [L169] ~mode3 := main_#t~nondet16; [L170] havoc main_#t~nondet16; [L171] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L172] ~id4 := main_#t~nondet17; [L173] havoc main_#t~nondet17; [L174] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L175] ~st4 := main_#t~nondet18; [L176] havoc main_#t~nondet18; [L177] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L178] ~send4 := main_#t~nondet19; [L179] havoc main_#t~nondet19; [L180] ~mode4 := main_#t~nondet20; [L181] havoc main_#t~nondet20; [L182] havoc init_#res; [L183] havoc init_~tmp~37; [L184] havoc init_~tmp~37; [L185] assume ~r1 % 256 == 0; [L186] assume ~id1 >= 0; [L187] assume ~st1 == 0; [L188] assume ~send1 == ~id1; [L189] assume ~mode1 % 256 == 0; [L190] assume ~id2 >= 0; [L191] assume ~st2 == 0; [L192] assume ~send2 == ~id2; [L193] assume ~mode2 % 256 == 0; [L194] assume ~id3 >= 0; [L195] assume ~st3 == 0; [L196] assume ~send3 == ~id3; [L197] assume ~mode3 % 256 == 0; [L198] assume ~id4 >= 0; [L199] assume ~st4 == 0; [L200] assume ~send4 == ~id4; [L201] assume ~mode4 % 256 == 0; [L202] assume ~id1 != ~id2; [L203] assume ~id1 != ~id3; [L204] assume ~id1 != ~id4; [L205] assume ~id2 != ~id3; [L206] assume ~id2 != ~id4; [L207] assume ~id3 != ~id4; [L208] init_~tmp~37 := 1; [L209] init_#res := init_~tmp~37; [L210] main_#t~ret21 := init_#res; [L211] assume -2147483648 <= main_#t~ret21 && main_#t~ret21 <= 2147483647; [L212] main_~i2~95 := main_#t~ret21; [L213] havoc main_#t~ret21; [L214] assume main_~i2~95 != 0; [L215] ~p1_old := ~nomsg; [L216] ~p1_new := ~nomsg; [L217] ~p2_old := ~nomsg; [L218] ~p2_new := ~nomsg; [L219] ~p3_old := ~nomsg; [L220] ~p3_new := ~nomsg; [L221] ~p4_old := ~nomsg; [L222] ~p4_new := ~nomsg; [L223] main_~i2~95 := 0; [L227] assume !false; [L228] havoc node1_#t~ite0, node1_~m1~9; [L229] havoc node1_~m1~9; [L230] node1_~m1~9 := ~nomsg; [L243] assume !(~mode1 % 256 != 0); [L244] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L245] node1_#t~ite0 := ~send1; [L246] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L247] havoc node1_#t~ite0; [L248] ~mode1 := 1; [L251] havoc node2_#t~ite1, node2_~m2~16; [L252] havoc node2_~m2~16; [L253] node2_~m2~16 := ~nomsg; [L265] assume !(~mode2 % 256 != 0); [L266] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L267] node2_#t~ite1 := ~send2; [L268] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L269] havoc node2_#t~ite1; [L270] ~mode2 := 1; [L273] havoc node3_#t~ite2, node3_~m3~23; [L274] havoc node3_~m3~23; [L275] node3_~m3~23 := ~nomsg; [L287] assume !(~mode3 % 256 != 0); [L288] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L289] node3_#t~ite2 := ~send3; [L290] ~p3_new := (if node3_#t~ite2 % 256 <= 127 then node3_#t~ite2 % 256 else node3_#t~ite2 % 256 - 256); [L291] havoc node3_#t~ite2; [L292] ~mode3 := 1; [L295] havoc node4_#t~ite3, node4_~m4~30; [L296] havoc node4_~m4~30; [L297] node4_~m4~30 := ~nomsg; [L302] assume !(~mode4 % 256 != 0); [L303] assume ~send4 != ~nomsg && ~p4_new == ~nomsg; [L304] node4_#t~ite3 := ~send4; [L305] ~p4_new := (if node4_#t~ite3 % 256 <= 127 then node4_#t~ite3 % 256 else node4_#t~ite3 % 256 - 256); [L306] havoc node4_#t~ite3; [L307] ~mode4 := 1; [L317] ~p1_old := ~p1_new; [L318] ~p1_new := ~nomsg; [L319] ~p2_old := ~p2_new; [L320] ~p2_new := ~nomsg; [L321] ~p3_old := ~p3_new; [L322] ~p3_new := ~nomsg; [L323] ~p4_old := ~p4_new; [L324] ~p4_new := ~nomsg; [L325] havoc check_#res; [L326] havoc check_~tmp~85; [L327] havoc check_~tmp~85; [L328] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L336] assume !(~r1 % 256 >= 4); [L337] assume ~st1 + ~st2 + ~st3 + ~st4 == 0; [L342] assume ~r1 % 256 < 4; [L343] check_~tmp~85 := 1; [L351] check_#res := check_~tmp~85; [L352] main_#t~ret22 := check_#res; [L353] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L354] main_~c1~95 := main_#t~ret22; [L355] havoc main_#t~ret22; [L356] assert_#in~arg := (if main_~c1~95 == 0 then 0 else 1); [L357] havoc assert_~arg; [L358] assert_~arg := assert_#in~arg; [L367] assume !(assert_~arg % 256 == 0); [L227] assume !false; [L228] havoc node1_#t~ite0, node1_~m1~9; [L229] havoc node1_~m1~9; [L230] node1_~m1~9 := ~nomsg; [L235] assume ~mode1 % 256 != 0; [L236] ~r1 := ~r1 % 256 + 1; [L237] node1_~m1~9 := ~p4_old; [L238] ~p4_old := ~nomsg; [L239] assume !(node1_~m1~9 != ~nomsg); [L240] ~mode1 := 0; [L251] havoc node2_#t~ite1, node2_~m2~16; [L252] havoc node2_~m2~16; [L253] node2_~m2~16 := ~nomsg; [L258] assume ~mode2 % 256 != 0; [L259] node2_~m2~16 := ~p1_old; [L260] ~p1_old := ~nomsg; [L261] assume !(node2_~m2~16 != ~nomsg); [L262] ~mode2 := 0; [L273] havoc node3_#t~ite2, node3_~m3~23; [L274] havoc node3_~m3~23; [L275] node3_~m3~23 := ~nomsg; [L280] assume ~mode3 % 256 != 0; [L281] node3_~m3~23 := ~p2_old; [L282] ~p2_old := ~nomsg; [L283] assume !(node3_~m3~23 != ~nomsg); [L284] ~mode3 := 0; [L295] havoc node4_#t~ite3, node4_~m4~30; [L296] havoc node4_~m4~30; [L297] node4_~m4~30 := ~nomsg; [L310] assume ~mode4 % 256 != 0; [L311] node4_~m4~30 := ~p3_old; [L312] ~p3_old := ~nomsg; [L313] assume !(node4_~m4~30 != ~nomsg); [L314] ~mode4 := 0; [L317] ~p1_old := ~p1_new; [L318] ~p1_new := ~nomsg; [L319] ~p2_old := ~p2_new; [L320] ~p2_new := ~nomsg; [L321] ~p3_old := ~p3_new; [L322] ~p3_new := ~nomsg; [L323] ~p4_old := ~p4_new; [L324] ~p4_new := ~nomsg; [L325] havoc check_#res; [L326] havoc check_~tmp~85; [L327] havoc check_~tmp~85; [L328] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L336] assume !(~r1 % 256 >= 4); [L337] assume ~st1 + ~st2 + ~st3 + ~st4 == 0; [L342] assume ~r1 % 256 < 4; [L343] check_~tmp~85 := 1; [L351] check_#res := check_~tmp~85; [L352] main_#t~ret22 := check_#res; [L353] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L354] main_~c1~95 := main_#t~ret22; [L355] havoc main_#t~ret22; [L356] assert_#in~arg := (if main_~c1~95 == 0 then 0 else 1); [L357] havoc assert_~arg; [L358] assert_~arg := assert_#in~arg; [L367] assume !(assert_~arg % 256 == 0); [L227] assume !false; [L228] havoc node1_#t~ite0, node1_~m1~9; [L229] havoc node1_~m1~9; [L230] node1_~m1~9 := ~nomsg; [L243] assume !(~mode1 % 256 != 0); [L244] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L245] node1_#t~ite0 := ~send1; [L246] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L247] havoc node1_#t~ite0; [L248] ~mode1 := 1; [L251] havoc node2_#t~ite1, node2_~m2~16; [L252] havoc node2_~m2~16; [L253] node2_~m2~16 := ~nomsg; [L265] assume !(~mode2 % 256 != 0); [L266] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L267] node2_#t~ite1 := ~send2; [L268] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L269] havoc node2_#t~ite1; [L270] ~mode2 := 1; [L273] havoc node3_#t~ite2, node3_~m3~23; [L274] havoc node3_~m3~23; [L275] node3_~m3~23 := ~nomsg; [L287] assume !(~mode3 % 256 != 0); [L288] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L289] node3_#t~ite2 := ~send3; [L290] ~p3_new := (if node3_#t~ite2 % 256 <= 127 then node3_#t~ite2 % 256 else node3_#t~ite2 % 256 - 256); [L291] havoc node3_#t~ite2; [L292] ~mode3 := 1; [L295] havoc node4_#t~ite3, node4_~m4~30; [L296] havoc node4_~m4~30; [L297] node4_~m4~30 := ~nomsg; [L302] assume !(~mode4 % 256 != 0); [L303] assume ~send4 != ~nomsg && ~p4_new == ~nomsg; [L304] node4_#t~ite3 := ~send4; [L305] ~p4_new := (if node4_#t~ite3 % 256 <= 127 then node4_#t~ite3 % 256 else node4_#t~ite3 % 256 - 256); [L306] havoc node4_#t~ite3; [L307] ~mode4 := 1; [L317] ~p1_old := ~p1_new; [L318] ~p1_new := ~nomsg; [L319] ~p2_old := ~p2_new; [L320] ~p2_new := ~nomsg; [L321] ~p3_old := ~p3_new; [L322] ~p3_new := ~nomsg; [L323] ~p4_old := ~p4_new; [L324] ~p4_new := ~nomsg; [L325] havoc check_#res; [L326] havoc check_~tmp~85; [L327] havoc check_~tmp~85; [L328] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L333] assume ~r1 % 256 >= 4; [L346] assume !(~r1 % 256 < 4); [L347] assume !(~st1 + ~st2 + ~st3 + ~st4 == 1); [L348] check_~tmp~85 := 0; [L351] check_#res := check_~tmp~85; [L352] main_#t~ret22 := check_#res; [L353] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L354] main_~c1~95 := main_#t~ret22; [L355] havoc main_#t~ret22; [L356] assert_#in~arg := (if main_~c1~95 == 0 then 0 else 1); [L357] havoc assert_~arg; [L358] assert_~arg := assert_#in~arg; [L363] assume assert_~arg % 256 == 0; [L364] assume !false; [L370] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...