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-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 19:51:36,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 19:51:36,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 19:51:36,574 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 19:51:36,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 19:51:36,577 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 19:51:36,578 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 19:51:36,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 19:51:36,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 19:51:36,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 19:51:36,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 19:51:36,629 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-03 19:51:36,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 19:51:36,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 19:51:36,654 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 19:51:36,655 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 19:51:36,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 19:51:36,655 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 19:51:36,655 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 19:51:36,655 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 19:51:36,656 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 19:51:36,656 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 19:51:36,656 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 19:51:36,656 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 19:51:36,656 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 19:51:36,656 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 19:51:36,657 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 19:51:36,658 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 19:51:36,658 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 19:51:36,658 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 19:51:36,660 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 19:51:36,660 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 19:51:36,660 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 19:51:36,661 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 19:51:36,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 19:51:36,661 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 19:51:36,661 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 19:51:36,661 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 19:51:36,662 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 19:51:36,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 19:51:36,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 19:51:36,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 19:51:36,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 19:51:36,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 19:51:36,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 19:51:36,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 19:51:36,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 19:51:36,663 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 19:51:36,664 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 19:51:36,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 19:51:36,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 19:51:36,664 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 19:51:36,664 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 19:51:36,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 19:51:36,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 19:51:36,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 19:51:36,745 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 19:51:36,745 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 19:51:36,746 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl [2018-12-03 19:51:36,746 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl' [2018-12-03 19:51:36,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 19:51:36,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 19:51:36,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 19:51:36,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 19:51:36,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 19:51:36,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 19:51:36,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 19:51:36,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 19:51:36,881 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 19:51:36,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (1/1) ... [2018-12-03 19:51:36,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 19:51:36,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 19:51:36,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 19:51:36,925 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 19:51:36,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:36" (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 19:51:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 19:51:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 19:51:37,510 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 19:51:37,510 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 19:51:37,511 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:51:37 BoogieIcfgContainer [2018-12-03 19:51:37,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 19:51:37,512 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 19:51:37,512 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 19:51:37,512 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 19:51:37,513 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:51:37" (1/1) ... [2018-12-03 19:51:37,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 19:51:38,478 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 19:51:38,526 INFO L272 AbstractInterpreter]: Visited 18 different actions 81 times. Merged at 16 different actions 43 times. Widened at 1 different actions 1 times. Found 17 fixpoints after 10 different actions. Largest state had 0 variables. [2018-12-03 19:51:38,533 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 19:51:38,534 INFO L168 Benchmark]: Toolchain (without parser) took 1707.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:38,537 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 19:51:38,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 19:51:38,540 INFO L168 Benchmark]: Boogie Preprocessor took 43.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 19:51:38,541 INFO L168 Benchmark]: RCFGBuilder took 586.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 19:51:38,543 INFO L168 Benchmark]: Abstract Interpretation took 1021.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:38,547 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 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 586.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 1021.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 310]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L96] ~r1 := 0; [L97] ~p1_old := 0; [L98] ~p1_new := 0; [L99] ~id1 := 0; [L100] ~st1 := 0; [L101] ~mode1 := 0; [L102] ~alive1 := 0; [L103] ~p2_old := 0; [L104] ~p2_new := 0; [L105] ~id2 := 0; [L106] ~st2 := 0; [L107] ~mode2 := 0; [L108] ~alive2 := 0; [L109] ~p3_old := 0; [L110] ~p3_new := 0; [L111] ~id3 := 0; [L112] ~st3 := 0; [L113] ~mode3 := 0; [L114] ~alive3 := 0; [L115] ~nomsg := -1; [L116] ~send1 := 0; [L117] ~send2 := 0; [L118] ~send3 := 0; [L119] havoc main_#res; [L120] havoc 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~nondet21, main_#t~ret22, main_#t~ret23, main_~c1~84, main_~i2~84; [L121] havoc main_~c1~84; [L122] havoc main_~i2~84; [L123] main_~c1~84 := 0; [L124] ~r1 := main_#t~nondet6; [L125] havoc main_#t~nondet6; [L126] assume -128 <= main_#t~nondet7 && main_#t~nondet7 <= 127; [L127] ~id1 := main_#t~nondet7; [L128] havoc main_#t~nondet7; [L129] assume -128 <= main_#t~nondet8 && main_#t~nondet8 <= 127; [L130] ~st1 := main_#t~nondet8; [L131] havoc main_#t~nondet8; [L132] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L133] ~send1 := main_#t~nondet9; [L134] havoc main_#t~nondet9; [L135] ~mode1 := main_#t~nondet10; [L136] havoc main_#t~nondet10; [L137] ~alive1 := main_#t~nondet11; [L138] havoc main_#t~nondet11; [L139] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L140] ~id2 := main_#t~nondet12; [L141] havoc main_#t~nondet12; [L142] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L143] ~st2 := main_#t~nondet13; [L144] havoc main_#t~nondet13; [L145] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L146] ~send2 := main_#t~nondet14; [L147] havoc main_#t~nondet14; [L148] ~mode2 := main_#t~nondet15; [L149] havoc main_#t~nondet15; [L150] ~alive2 := main_#t~nondet16; [L151] havoc main_#t~nondet16; [L152] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L153] ~id3 := main_#t~nondet17; [L154] havoc main_#t~nondet17; [L155] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L156] ~st3 := main_#t~nondet18; [L157] havoc main_#t~nondet18; [L158] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L159] ~send3 := main_#t~nondet19; [L160] havoc main_#t~nondet19; [L161] ~mode3 := main_#t~nondet20; [L162] havoc main_#t~nondet20; [L163] ~alive3 := main_#t~nondet21; [L164] havoc main_#t~nondet21; [L165] havoc init_#res; [L166] havoc init_~tmp~41; [L167] havoc init_~tmp~41; [L168] assume ~r1 % 256 == 0; [L169] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 >= 1; [L170] assume ~id1 >= 0; [L171] assume ~st1 == 0; [L172] assume ~send1 == ~id1; [L173] assume ~mode1 % 256 == 0; [L174] assume ~id2 >= 0; [L175] assume ~st2 == 0; [L176] assume ~send2 == ~id2; [L177] assume ~mode2 % 256 == 0; [L178] assume ~id3 >= 0; [L179] assume ~st3 == 0; [L180] assume ~send3 == ~id3; [L181] assume ~mode3 % 256 == 0; [L182] assume ~id1 != ~id2; [L183] assume ~id1 != ~id3; [L184] assume ~id2 != ~id3; [L185] init_~tmp~41 := 1; [L186] init_#res := init_~tmp~41; [L187] main_#t~ret22 := init_#res; [L188] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L189] main_~i2~84 := main_#t~ret22; [L190] havoc main_#t~ret22; [L191] assume main_~i2~84 != 0; [L192] ~p1_old := ~nomsg; [L193] ~p1_new := ~nomsg; [L194] ~p2_old := ~nomsg; [L195] ~p2_new := ~nomsg; [L196] ~p3_old := ~nomsg; [L197] ~p3_new := ~nomsg; [L198] main_~i2~84 := 0; [L202] assume !false; [L203] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L204] havoc node1_~m1~7; [L205] node1_~m1~7 := ~nomsg; [L210] assume !(~mode1 % 256 != 0); [L211] assume !(~alive1 % 256 != 0); [L212] assume !(~send1 != ~id1); [L213] ~mode1 := 1; [L225] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~19; [L226] havoc node2_~m2~19; [L227] node2_~m2~19 := ~nomsg; [L239] assume !(~mode2 % 256 != 0); [L240] assume ~alive2 % 256 != 0; [L241] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L242] node2_#t~ite2 := ~send2; [L243] ~p2_new := (if node2_#t~ite2 % 256 <= 127 then node2_#t~ite2 % 256 else node2_#t~ite2 % 256 - 256); [L244] havoc node2_#t~ite2; [L245] ~mode2 := 1; [L248] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L249] havoc node3_~m3~30; [L250] node3_~m3~30 := ~nomsg; [L255] assume !(~mode3 % 256 != 0); [L256] assume !(~alive3 % 256 != 0); [L257] assume !(~send3 != ~id3); [L258] ~mode3 := 1; [L268] ~p1_old := ~p1_new; [L269] ~p1_new := ~nomsg; [L270] ~p2_old := ~p2_new; [L271] ~p2_new := ~nomsg; [L272] ~p3_old := ~p3_new; [L273] ~p3_new := ~nomsg; [L274] havoc check_#res; [L275] havoc check_~tmp~77; [L276] havoc check_~tmp~77; [L277] assume ~st1 + ~st2 + ~st3 <= 1; [L282] assume ~r1 % 256 < 3; [L283] check_~tmp~77 := 1; [L291] check_#res := check_~tmp~77; [L292] main_#t~ret23 := check_#res; [L293] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L294] main_~c1~84 := main_#t~ret23; [L295] havoc main_#t~ret23; [L296] assert_#in~arg := (if main_~c1~84 == 0 then 0 else 1); [L297] havoc assert_~arg; [L298] assert_~arg := assert_#in~arg; [L307] assume !(assert_~arg % 256 == 0); [L202] assume !false; [L203] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L204] havoc node1_~m1~7; [L205] node1_~m1~7 := ~nomsg; [L216] assume ~mode1 % 256 != 0; [L217] assume !(~r1 % 256 == 255); [L218] ~r1 := ~r1 % 256 + 1; [L219] node1_~m1~7 := ~p3_old; [L220] ~p3_old := ~nomsg; [L221] assume !(node1_~m1~7 != ~nomsg); [L222] ~mode1 := 0; [L225] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~19; [L226] havoc node2_~m2~19; [L227] node2_~m2~19 := ~nomsg; [L232] assume ~mode2 % 256 != 0; [L233] node2_~m2~19 := ~p1_old; [L234] ~p1_old := ~nomsg; [L235] assume !(node2_~m2~19 != ~nomsg); [L236] ~mode2 := 0; [L248] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L249] havoc node3_~m3~30; [L250] node3_~m3~30 := ~nomsg; [L261] assume ~mode3 % 256 != 0; [L262] node3_~m3~30 := ~p2_old; [L263] ~p2_old := ~nomsg; [L264] assume !(node3_~m3~30 != ~nomsg); [L265] ~mode3 := 0; [L268] ~p1_old := ~p1_new; [L269] ~p1_new := ~nomsg; [L270] ~p2_old := ~p2_new; [L271] ~p2_new := ~nomsg; [L272] ~p3_old := ~p3_new; [L273] ~p3_new := ~nomsg; [L274] havoc check_#res; [L275] havoc check_~tmp~77; [L276] havoc check_~tmp~77; [L277] assume ~st1 + ~st2 + ~st3 <= 1; [L282] assume ~r1 % 256 < 3; [L283] check_~tmp~77 := 1; [L291] check_#res := check_~tmp~77; [L292] main_#t~ret23 := check_#res; [L293] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L294] main_~c1~84 := main_#t~ret23; [L295] havoc main_#t~ret23; [L296] assert_#in~arg := (if main_~c1~84 == 0 then 0 else 1); [L297] havoc assert_~arg; [L298] assert_~arg := assert_#in~arg; [L307] assume !(assert_~arg % 256 == 0); [L202] assume !false; [L203] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L204] havoc node1_~m1~7; [L205] node1_~m1~7 := ~nomsg; [L210] assume !(~mode1 % 256 != 0); [L211] assume !(~alive1 % 256 != 0); [L212] assume !(~send1 != ~id1); [L213] ~mode1 := 1; [L225] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~19; [L226] havoc node2_~m2~19; [L227] node2_~m2~19 := ~nomsg; [L239] assume !(~mode2 % 256 != 0); [L240] assume ~alive2 % 256 != 0; [L241] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L242] node2_#t~ite2 := ~send2; [L243] ~p2_new := (if node2_#t~ite2 % 256 <= 127 then node2_#t~ite2 % 256 else node2_#t~ite2 % 256 - 256); [L244] havoc node2_#t~ite2; [L245] ~mode2 := 1; [L248] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L249] havoc node3_~m3~30; [L250] node3_~m3~30 := ~nomsg; [L255] assume !(~mode3 % 256 != 0); [L256] assume !(~alive3 % 256 != 0); [L257] assume !(~send3 != ~id3); [L258] ~mode3 := 1; [L268] ~p1_old := ~p1_new; [L269] ~p1_new := ~nomsg; [L270] ~p2_old := ~p2_new; [L271] ~p2_new := ~nomsg; [L272] ~p3_old := ~p3_new; [L273] ~p3_new := ~nomsg; [L274] havoc check_#res; [L275] havoc check_~tmp~77; [L276] havoc check_~tmp~77; [L277] assume ~st1 + ~st2 + ~st3 <= 1; [L286] assume !(~r1 % 256 < 3); [L287] assume !(~st1 + ~st2 + ~st3 == 1); [L288] check_~tmp~77 := 0; [L291] check_#res := check_~tmp~77; [L292] main_#t~ret23 := check_#res; [L293] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L294] main_~c1~84 := main_#t~ret23; [L295] havoc main_#t~ret23; [L296] assert_#in~arg := (if main_~c1~84 == 0 then 0 else 1); [L297] havoc assert_~arg; [L298] assert_~arg := assert_#in~arg; [L303] assume assert_~arg % 256 == 0; [L304] assume !false; [L310] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...