java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.24-673a906-m
[2019-10-03 12:49:37,079 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-10-03 12:49:37,132 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf
[2019-10-03 12:49:37,148 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-03 12:49:37,148 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-03 12:49:37,149 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2019-10-03 12:49:37,149 INFO  L138        SettingsManager]:  * Log level for plugins=info
[2019-10-03 12:49:37,150 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-10-03 12:49:37,150 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2019-10-03 12:49:37,150 INFO  L138        SettingsManager]:  * Ignore calls to and inside polymorphic procedures=false
[2019-10-03 12:49:37,150 INFO  L138        SettingsManager]:  * Ignore calls to recursive procedures=false
[2019-10-03 12:49:37,151 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-10-03 12:49:37,151 INFO  L138        SettingsManager]:  * Abstract domain=IntervalDomain
[2019-10-03 12:49:37,151 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-03 12:49:37,152 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-03 12:49:37,152 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-03 12:49:37,152 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-03 12:49:37,152 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-03 12:49:37,152 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-03 12:49:37,152 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-03 12:49:37,153 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-03 12:49:37,153 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-03 12:49:37,153 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-03 12:49:37,153 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-03 12:49:37,153 INFO  L138        SettingsManager]:  * Remove goto edges from RCFG=true
[2019-10-03 12:49:37,154 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-03 12:49:37,154 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-03 12:49:37,154 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-03 12:49:37,154 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-03 12:49:37,154 INFO  L138        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2019-10-03 12:49:37,155 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-03 12:49:37,155 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-03 12:49:37,155 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2019-10-03 12:49:37,182 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-03 12:49:37,195 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-03 12:49:37,198 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-03 12:49:37,200 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-03 12:49:37,200 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-03 12:49:37,201 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c
[2019-10-03 12:49:37,260 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743ead6e0/1a2bd88de4144bfba1c0a34c50b185b6/FLAGc8f0eebcc
[2019-10-03 12:49:37,949 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-03 12:49:37,950 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c
[2019-10-03 12:49:37,972 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743ead6e0/1a2bd88de4144bfba1c0a34c50b185b6/FLAGc8f0eebcc
[2019-10-03 12:49:38,079 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743ead6e0/1a2bd88de4144bfba1c0a34c50b185b6
[2019-10-03 12:49:38,093 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-03 12:49:38,095 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-03 12:49:38,099 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-03 12:49:38,100 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-03 12:49:38,103 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-03 12:49:38,104 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:49:38" (1/1) ...
[2019-10-03 12:49:38,108 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5332dd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:38, skipping insertion in model container
[2019-10-03 12:49:38,108 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:49:38" (1/1) ...
[2019-10-03 12:49:38,117 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-03 12:49:38,287 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-03 12:49:39,237 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-03 12:49:39,256 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-03 12:49:39,572 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-03 12:49:39,608 INFO  L192         MainTranslator]: Completed translation
[2019-10-03 12:49:39,609 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39 WrapperNode
[2019-10-03 12:49:39,609 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-03 12:49:39,610 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-03 12:49:39,611 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-03 12:49:39,611 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-03 12:49:39,631 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (1/1) ...
[2019-10-03 12:49:39,633 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (1/1) ...
[2019-10-03 12:49:39,712 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (1/1) ...
[2019-10-03 12:49:39,713 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (1/1) ...
[2019-10-03 12:49:39,802 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (1/1) ...
[2019-10-03 12:49:39,856 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (1/1) ...
[2019-10-03 12:49:39,880 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (1/1) ...
[2019-10-03 12:49:39,907 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-03 12:49:39,908 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-03 12:49:39,908 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-03 12:49:39,909 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-03 12:49:39,911 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:49:39" (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
[2019-10-03 12:49:40,000 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-03 12:49:40,001 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-03 12:49:40,001 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-03 12:49:40,001 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-03 12:49:40,001 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2019-10-03 12:49:40,002 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2019-10-03 12:49:40,002 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar
[2019-10-03 12:49:40,002 INFO  L130     BoogieDeclarations]: Found specification of procedure assert
[2019-10-03 12:49:40,002 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-03 12:49:40,002 INFO  L130     BoogieDeclarations]: Found specification of procedure read
[2019-10-03 12:49:40,003 INFO  L130     BoogieDeclarations]: Found specification of procedure write
[2019-10-03 12:49:40,003 INFO  L130     BoogieDeclarations]: Found specification of procedure node1
[2019-10-03 12:49:40,004 INFO  L130     BoogieDeclarations]: Found specification of procedure node2
[2019-10-03 12:49:40,004 INFO  L130     BoogieDeclarations]: Found specification of procedure node3
[2019-10-03 12:49:40,005 INFO  L130     BoogieDeclarations]: Found specification of procedure init
[2019-10-03 12:49:40,005 INFO  L130     BoogieDeclarations]: Found specification of procedure check
[2019-10-03 12:49:40,006 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-03 12:49:40,006 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-03 12:49:40,006 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-03 12:49:43,362 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-03 12:49:43,363 INFO  L283             CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-03 12:49:43,365 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:49:43 BoogieIcfgContainer
[2019-10-03 12:49:43,365 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-03 12:49:43,366 INFO  L113        PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-10-03 12:49:43,366 INFO  L271        PluginConnector]: Initializing Abstract Interpretation...
[2019-10-03 12:49:43,366 INFO  L275        PluginConnector]: Abstract Interpretation initialized
[2019-10-03 12:49:43,367 INFO  L185        PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:49:43" (1/1) ...
[2019-10-03 12:49:43,422 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-03 12:49:43,678 WARN  L79         EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.
[2019-10-03 12:50:03,471 INFO  L263    AbstractInterpreter]: Some error location(s) were reachable
[2019-10-03 12:50:03,545 INFO  L272    AbstractInterpreter]: Visited 1475 different actions 12070 times. Merged at 944 different actions 6746 times. Widened at 77 different actions 799 times. Performed 32780 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2943 fixpoints after 405 different actions. Largest state had 698 variables.
[2019-10-03 12:50:03,546 INFO  L132        PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-10-03 12:50:03,548 INFO  L168              Benchmark]: Toolchain (without parser) took 25452.95 ms. Allocated memory was 131.1 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 80.4 MB in the beginning and 993.1 MB in the end (delta: -912.7 MB). Peak memory consumption was 285.3 MB. Max. memory is 7.1 GB.
[2019-10-03 12:50:03,549 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2019-10-03 12:50:03,551 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1510.50 ms. Allocated memory was 131.1 MB in the beginning and 215.0 MB in the end (delta: 83.9 MB). Free memory was 80.2 MB in the beginning and 118.2 MB in the end (delta: -38.0 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB.
[2019-10-03 12:50:03,552 INFO  L168              Benchmark]: Boogie Preprocessor took 297.41 ms. Allocated memory is still 215.0 MB. Free memory was 118.2 MB in the beginning and 105.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB.
[2019-10-03 12:50:03,553 INFO  L168              Benchmark]: RCFGBuilder took 3456.78 ms. Allocated memory was 215.0 MB in the beginning and 371.2 MB in the end (delta: 156.2 MB). Free memory was 104.2 MB in the beginning and 242.7 MB in the end (delta: -138.4 MB). Peak memory consumption was 100.2 MB. Max. memory is 7.1 GB.
[2019-10-03 12:50:03,554 INFO  L168              Benchmark]: Abstract Interpretation took 20180.13 ms. Allocated memory was 371.2 MB in the beginning and 1.3 GB in the end (delta: 957.9 MB). Free memory was 242.7 MB in the beginning and 993.1 MB in the end (delta: -750.4 MB). Peak memory consumption was 207.5 MB. Max. memory is 7.1 GB.
[2019-10-03 12:50:03,558 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 1510.50 ms. Allocated memory was 131.1 MB in the beginning and 215.0 MB in the end (delta: 83.9 MB). Free memory was 80.2 MB in the beginning and 118.2 MB in the end (delta: -38.0 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 297.41 ms. Allocated memory is still 215.0 MB. Free memory was 118.2 MB in the beginning and 105.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 3456.78 ms. Allocated memory was 215.0 MB in the beginning and 371.2 MB in the end (delta: 156.2 MB). Free memory was 104.2 MB in the beginning and 242.7 MB in the end (delta: -138.4 MB). Peak memory consumption was 100.2 MB. Max. memory is 7.1 GB.
 * Abstract Interpretation took 20180.13 ms. Allocated memory was 371.2 MB in the beginning and 1.3 GB in the end (delta: 957.9 MB). Free memory was 242.7 MB in the beginning and 993.1 MB in the end (delta: -750.4 MB). Peak memory consumption was 207.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - UnprovableResult [Line: 1316]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L1]                 int __return_main;
[L12]                msg_t nomsg = (msg_t )-1;
[L13]                unsigned char r1 = '\x0';
[L14]                port_t p1 = 0;
[L15]                char p1_old = '\x0';
[L16]                char p1_new = '\x0';
[L17]                char id1 = '\x0';
[L18]                char st1 = '\x0';
[L19]                msg_t send1 = '\x0';
[L20]                _Bool mode1 = 0;
[L21]                _Bool alive1 = 0;
[L22]                port_t p2 = 0;
[L23]                char p2_old = '\x0';
[L24]                char p2_new = '\x0';
[L25]                char id2 = '\x0';
[L26]                char st2 = '\x0';
[L27]                msg_t send2 = '\x0';
[L28]                _Bool mode2 = 0;
[L29]                _Bool alive2 = 0;
[L30]                port_t p3 = 0;
[L31]                char p3_old = '\x0';
[L32]                char p3_new = '\x0';
[L33]                char id3 = '\x0';
[L34]                char st3 = '\x0';
[L35]                msg_t send3 = '\x0';
[L36]                _Bool mode3 = 0;
[L37]                _Bool alive3 = 0;
[L41]                void (*nodes[3])() = { &node1, &node2, &node3 };
[L45]                int __return_103;
[L46]                int __return_1324;
[L47]                int __return_3691;
[L48]                int __return_1314;
[L49]                int __return_3554;
[L50]                int __return_1344;
[L51]                int __return_1334;
[L52]                int __return_1284;
[L53]                int __return_3245;
[L54]                int __return_1274;
[L55]                int __return_3134;
[L56]                int __return_1304;
[L57]                int __return_3443;
[L58]                int __return_1294;
[L59]                int __return_3332;
[L60]                int __return_1404;
[L61]                int __return_1394;
[L62]                int __return_1424;
[L63]                int __return_1414;
[L64]                int __return_1364;
[L65]                int __return_1354;
[L66]                int __return_1384;
[L67]                int __return_1374;
[L68]                int __return_1164;
[L69]                int __return_2313;
[L70]                int __return_1154;
[L71]                int __return_2202;
[L72]                int __return_1184;
[L73]                int __return_1174;
[L74]                int __return_1124;
[L75]                int __return_1967;
[L76]                int __return_1114;
[L77]                int __return_1880;
[L78]                int __return_5121;
[L79]                int __return_1144;
[L80]                int __return_2115;
[L81]                int __return_1134;
[L82]                int __return_2028;
[L83]                int __return_1244;
[L84]                int __return_2927;
[L85]                int __return_1234;
[L86]                int __return_2816;
[L87]                int __return_1264;
[L88]                int __return_1254;
[L89]                int __return_1204;
[L90]                int __return_2581;
[L91]                int __return_1194;
[L92]                int __return_2494;
[L93]                int __return_1224;
[L94]                int __return_2729;
[L95]                int __return_1214;
[L96]                int __return_2642;
[L97]                int __return_1484;
[L98]                int __return_1474;
[L99]                int __return_4505;
[L100]               int __return_1504;
[L101]               int __return_1494;
[L102]               int __return_1444;
[L103]               int __return_1434;
[L104]               int __return_4311;
[L105]               int __return_1464;
[L106]               int __return_1454;
[L107]               int __return_4395;
[L108]               int __return_1564;
[L109]               int __return_1554;
[L110]               int __return_4853;
[L111]               int __return_1584;
[L112]               int __return_1574;
[L113]               int __return_1524;
[L114]               int __return_1514;
[L115]               int __return_4659;
[L116]               int __return_1544;
[L117]               int __return_1534;
[L118]               int __return_4743;
[L121]               int main__c1;
[L122]               int main__i2;
[L123]               main__c1 = 0
[L124]               r1 = __VERIFIER_nondet_uchar()
[L125]               id1 = __VERIFIER_nondet_char()
[L126]               st1 = __VERIFIER_nondet_char()
[L127]               send1 = __VERIFIER_nondet_char()
[L128]               mode1 = __VERIFIER_nondet_bool()
[L129]               alive1 = __VERIFIER_nondet_bool()
[L130]               id2 = __VERIFIER_nondet_char()
[L131]               st2 = __VERIFIER_nondet_char()
[L132]               send2 = __VERIFIER_nondet_char()
[L133]               mode2 = __VERIFIER_nondet_bool()
[L134]               alive2 = __VERIFIER_nondet_bool()
[L135]               id3 = __VERIFIER_nondet_char()
[L136]               st3 = __VERIFIER_nondet_char()
[L137]               send3 = __VERIFIER_nondet_char()
[L138]               mode3 = __VERIFIER_nondet_bool()
[L139]               alive3 = __VERIFIER_nondet_bool()
[L141]               int init__tmp;
[L142]   COND TRUE   ((int)r1) == 0
[L144]   COND TRUE   ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1
[L146]   COND TRUE   ((int)id1) >= 0
[L148]   COND TRUE   ((int)st1) == 0
[L150]   COND TRUE   ((int)send1) == ((int)id1)
[L152]   COND TRUE   ((int)mode1) == 0
[L154]   COND TRUE   ((int)id2) >= 0
[L156]   COND TRUE   ((int)st2) == 0
[L158]   COND TRUE   ((int)send2) == ((int)id2)
[L160]   COND TRUE   ((int)mode2) == 0
[L162]   COND TRUE   ((int)id3) >= 0
[L164]   COND TRUE   ((int)st3) == 0
[L166]   COND TRUE   ((int)send3) == ((int)id3)
[L168]   COND TRUE   ((int)mode3) == 0
[L170]   COND TRUE   ((int)id1) != ((int)id2)
[L172]   COND TRUE   ((int)id1) != ((int)id3)
[L174]   COND TRUE   ((int)id2) != ((int)id3)
[L176]               init__tmp = 1
[L177]               __return_103 = init__tmp
[L178]               main__i2 = __return_103
[L179]   COND TRUE   main__i2 != 0
[L181]               p1_old = nomsg
[L182]               p1_new = nomsg
[L183]               p2_old = nomsg
[L184]               p2_new = nomsg
[L185]               p3_old = nomsg
[L186]               p3_new = nomsg
[L187]               main__i2 = 0
[L189]               msg_t node1__m1;
[L190]               node1__m1 = nomsg
[L191]   COND FALSE  !(!(mode1 == 0))
[L197]   COND TRUE   !(alive1 == 0)
[L199]               int node1____CPAchecker_TMP_0;
[L200]   COND TRUE   send1 != nomsg
[L202]   COND TRUE   p1_new == nomsg
[L204]               node1____CPAchecker_TMP_0 = send1
[L205]               p1_new = node1____CPAchecker_TMP_0
[L207]               mode1 = 1
[L209]               msg_t node2__m2;
[L210]               node2__m2 = nomsg
[L211]   COND FALSE  !(!(mode2 == 0))
[L217]   COND TRUE   !(alive2 == 0)
[L219]               int node2____CPAchecker_TMP_0;
[L220]   COND TRUE   send2 != nomsg
[L222]   COND TRUE   p2_new == nomsg
[L224]               node2____CPAchecker_TMP_0 = send2
[L225]               p2_new = node2____CPAchecker_TMP_0
[L226]               mode2 = 1
[L228]               msg_t node3__m3;
[L229]               node3__m3 = nomsg
[L230]   COND FALSE  !(!(mode3 == 0))
[L236]   COND TRUE   !(alive3 == 0)
[L238]               int node3____CPAchecker_TMP_0;
[L239]   COND TRUE   send3 != nomsg
[L241]   COND TRUE   p3_new == nomsg
[L243]               node3____CPAchecker_TMP_0 = send3
[L244]               p3_new = node3____CPAchecker_TMP_0
[L245]               mode3 = 1
[L246]               p1_old = p1_new
[L247]               p1_new = nomsg
[L248]               p2_old = p2_new
[L249]               p2_new = nomsg
[L250]               p3_old = p3_new
[L251]               p3_new = nomsg
[L253]               int check__tmp;
[L254]   COND TRUE   ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L256]   COND TRUE   ((int)r1) < 3
[L258]               check__tmp = 1
[L259]               __return_1324 = check__tmp
[L260]               main__c1 = __return_1324
[L262]               _Bool __tmp_1;
[L263]               __tmp_1 = main__c1
[L264]               _Bool assert__arg;
[L265]               assert__arg = __tmp_1
[L266]   COND FALSE  !(assert__arg == 0)
[L273]               msg_t node1__m1;
[L274]               node1__m1 = nomsg
[L275]   COND TRUE   !(mode1 == 0)
[L277]   COND FALSE  !(r1 == 255)
[L283]               r1 = r1 + 1
[L284]               node1__m1 = p3_old
[L285]               p3_old = nomsg
[L286]   COND TRUE   ((int)node1__m1) != ((int)nomsg)
[L288]   COND TRUE   !(alive1 == 0)
[L290]   COND FALSE  !(((int)node1__m1) > ((int)id1))
[L297]   COND TRUE   ((int)node1__m1) == ((int)id1)
[L299]               st1 = 1
[L300]               mode1 = 0
[L302]               msg_t node2__m2;
[L303]               node2__m2 = nomsg
[L304]   COND TRUE   !(mode2 == 0)
[L306]               node2__m2 = p1_old
[L307]               p1_old = nomsg
[L308]   COND TRUE   ((int)node2__m2) != ((int)nomsg)
[L310]   COND TRUE   !(alive2 == 0)
[L312]   COND FALSE  !(((int)node2__m2) > ((int)id2))
[L319]   COND TRUE   ((int)node2__m2) == ((int)id2)
[L321]               st2 = 1
[L322]               mode2 = 0
[L324]               msg_t node3__m3;
[L325]               node3__m3 = nomsg
[L326]   COND TRUE   !(mode3 == 0)
[L328]               node3__m3 = p2_old
[L329]               p2_old = nomsg
[L330]   COND FALSE  !(((int)node3__m3) != ((int)nomsg))
[L512]               mode3 = 0
[L1292]              p1_old = p1_new
[L1293]              p1_new = nomsg
[L1294]              p2_old = p2_new
[L1295]              p2_new = nomsg
[L1296]              p3_old = p3_new
[L1297]              p3_new = nomsg
[L1299]              int check__tmp;
[L1300]  COND FALSE  !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1)
[L1306]              check__tmp = 0
[L1307]              __return_3245 = check__tmp
[L1308]              main__c1 = __return_3245
[L1310]              _Bool __tmp_8;
[L1311]              __tmp_8 = main__c1
[L1312]              _Bool assert__arg;
[L1313]              assert__arg = __tmp_8
[L1314]  COND TRUE   assert__arg == 0
[L1316]              __VERIFIER_error()

  - UnprovableResult [Line: 3441]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L1]                 int __return_main;
[L12]                msg_t nomsg = (msg_t )-1;
[L13]                unsigned char r1 = '\x0';
[L14]                port_t p1 = 0;
[L15]                char p1_old = '\x0';
[L16]                char p1_new = '\x0';
[L17]                char id1 = '\x0';
[L18]                char st1 = '\x0';
[L19]                msg_t send1 = '\x0';
[L20]                _Bool mode1 = 0;
[L21]                _Bool alive1 = 0;
[L22]                port_t p2 = 0;
[L23]                char p2_old = '\x0';
[L24]                char p2_new = '\x0';
[L25]                char id2 = '\x0';
[L26]                char st2 = '\x0';
[L27]                msg_t send2 = '\x0';
[L28]                _Bool mode2 = 0;
[L29]                _Bool alive2 = 0;
[L30]                port_t p3 = 0;
[L31]                char p3_old = '\x0';
[L32]                char p3_new = '\x0';
[L33]                char id3 = '\x0';
[L34]                char st3 = '\x0';
[L35]                msg_t send3 = '\x0';
[L36]                _Bool mode3 = 0;
[L37]                _Bool alive3 = 0;
[L41]                void (*nodes[3])() = { &node1, &node2, &node3 };
[L45]                int __return_103;
[L46]                int __return_1324;
[L47]                int __return_3691;
[L48]                int __return_1314;
[L49]                int __return_3554;
[L50]                int __return_1344;
[L51]                int __return_1334;
[L52]                int __return_1284;
[L53]                int __return_3245;
[L54]                int __return_1274;
[L55]                int __return_3134;
[L56]                int __return_1304;
[L57]                int __return_3443;
[L58]                int __return_1294;
[L59]                int __return_3332;
[L60]                int __return_1404;
[L61]                int __return_1394;
[L62]                int __return_1424;
[L63]                int __return_1414;
[L64]                int __return_1364;
[L65]                int __return_1354;
[L66]                int __return_1384;
[L67]                int __return_1374;
[L68]                int __return_1164;
[L69]                int __return_2313;
[L70]                int __return_1154;
[L71]                int __return_2202;
[L72]                int __return_1184;
[L73]                int __return_1174;
[L74]                int __return_1124;
[L75]                int __return_1967;
[L76]                int __return_1114;
[L77]                int __return_1880;
[L78]                int __return_5121;
[L79]                int __return_1144;
[L80]                int __return_2115;
[L81]                int __return_1134;
[L82]                int __return_2028;
[L83]                int __return_1244;
[L84]                int __return_2927;
[L85]                int __return_1234;
[L86]                int __return_2816;
[L87]                int __return_1264;
[L88]                int __return_1254;
[L89]                int __return_1204;
[L90]                int __return_2581;
[L91]                int __return_1194;
[L92]                int __return_2494;
[L93]                int __return_1224;
[L94]                int __return_2729;
[L95]                int __return_1214;
[L96]                int __return_2642;
[L97]                int __return_1484;
[L98]                int __return_1474;
[L99]                int __return_4505;
[L100]               int __return_1504;
[L101]               int __return_1494;
[L102]               int __return_1444;
[L103]               int __return_1434;
[L104]               int __return_4311;
[L105]               int __return_1464;
[L106]               int __return_1454;
[L107]               int __return_4395;
[L108]               int __return_1564;
[L109]               int __return_1554;
[L110]               int __return_4853;
[L111]               int __return_1584;
[L112]               int __return_1574;
[L113]               int __return_1524;
[L114]               int __return_1514;
[L115]               int __return_4659;
[L116]               int __return_1544;
[L117]               int __return_1534;
[L118]               int __return_4743;
[L121]               int main__c1;
[L122]               int main__i2;
[L123]               main__c1 = 0
[L124]               r1 = __VERIFIER_nondet_uchar()
[L125]               id1 = __VERIFIER_nondet_char()
[L126]               st1 = __VERIFIER_nondet_char()
[L127]               send1 = __VERIFIER_nondet_char()
[L128]               mode1 = __VERIFIER_nondet_bool()
[L129]               alive1 = __VERIFIER_nondet_bool()
[L130]               id2 = __VERIFIER_nondet_char()
[L131]               st2 = __VERIFIER_nondet_char()
[L132]               send2 = __VERIFIER_nondet_char()
[L133]               mode2 = __VERIFIER_nondet_bool()
[L134]               alive2 = __VERIFIER_nondet_bool()
[L135]               id3 = __VERIFIER_nondet_char()
[L136]               st3 = __VERIFIER_nondet_char()
[L137]               send3 = __VERIFIER_nondet_char()
[L138]               mode3 = __VERIFIER_nondet_bool()
[L139]               alive3 = __VERIFIER_nondet_bool()
[L141]               int init__tmp;
[L142]   COND TRUE   ((int)r1) == 0
[L144]   COND TRUE   ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1
[L146]   COND TRUE   ((int)id1) >= 0
[L148]   COND TRUE   ((int)st1) == 0
[L150]   COND TRUE   ((int)send1) == ((int)id1)
[L152]   COND TRUE   ((int)mode1) == 0
[L154]   COND TRUE   ((int)id2) >= 0
[L156]   COND TRUE   ((int)st2) == 0
[L158]   COND TRUE   ((int)send2) == ((int)id2)
[L160]   COND TRUE   ((int)mode2) == 0
[L162]   COND TRUE   ((int)id3) >= 0
[L164]   COND TRUE   ((int)st3) == 0
[L166]   COND TRUE   ((int)send3) == ((int)id3)
[L168]   COND TRUE   ((int)mode3) == 0
[L170]   COND TRUE   ((int)id1) != ((int)id2)
[L172]   COND TRUE   ((int)id1) != ((int)id3)
[L174]   COND TRUE   ((int)id2) != ((int)id3)
[L176]               init__tmp = 1
[L177]               __return_103 = init__tmp
[L178]               main__i2 = __return_103
[L179]   COND TRUE   main__i2 != 0
[L181]               p1_old = nomsg
[L182]               p1_new = nomsg
[L183]               p2_old = nomsg
[L184]               p2_new = nomsg
[L185]               p3_old = nomsg
[L186]               p3_new = nomsg
[L187]               main__i2 = 0
[L189]               msg_t node1__m1;
[L190]               node1__m1 = nomsg
[L191]   COND FALSE  !(!(mode1 == 0))
[L197]   COND TRUE   !(alive1 == 0)
[L199]               int node1____CPAchecker_TMP_0;
[L200]   COND TRUE   send1 != nomsg
[L202]   COND TRUE   p1_new == nomsg
[L204]               node1____CPAchecker_TMP_0 = send1
[L205]               p1_new = node1____CPAchecker_TMP_0
[L207]               mode1 = 1
[L209]               msg_t node2__m2;
[L210]               node2__m2 = nomsg
[L211]   COND FALSE  !(!(mode2 == 0))
[L217]   COND TRUE   !(alive2 == 0)
[L219]               int node2____CPAchecker_TMP_0;
[L220]   COND TRUE   send2 != nomsg
[L222]   COND TRUE   p2_new == nomsg
[L224]               node2____CPAchecker_TMP_0 = send2
[L225]               p2_new = node2____CPAchecker_TMP_0
[L226]               mode2 = 1
[L228]               msg_t node3__m3;
[L229]               node3__m3 = nomsg
[L230]   COND FALSE  !(!(mode3 == 0))
[L236]   COND TRUE   !(alive3 == 0)
[L238]               int node3____CPAchecker_TMP_0;
[L239]   COND TRUE   send3 != nomsg
[L241]   COND TRUE   p3_new == nomsg
[L243]               node3____CPAchecker_TMP_0 = send3
[L244]               p3_new = node3____CPAchecker_TMP_0
[L245]               mode3 = 1
[L246]               p1_old = p1_new
[L247]               p1_new = nomsg
[L248]               p2_old = p2_new
[L249]               p2_new = nomsg
[L250]               p3_old = p3_new
[L251]               p3_new = nomsg
[L253]               int check__tmp;
[L254]   COND TRUE   ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L256]   COND TRUE   ((int)r1) < 3
[L258]               check__tmp = 1
[L259]               __return_1324 = check__tmp
[L260]               main__c1 = __return_1324
[L262]               _Bool __tmp_1;
[L263]               __tmp_1 = main__c1
[L264]               _Bool assert__arg;
[L265]               assert__arg = __tmp_1
[L266]   COND FALSE  !(assert__arg == 0)
[L273]               msg_t node1__m1;
[L274]               node1__m1 = nomsg
[L275]   COND TRUE   !(mode1 == 0)
[L277]   COND FALSE  !(r1 == 255)
[L283]               r1 = r1 + 1
[L284]               node1__m1 = p3_old
[L285]               p3_old = nomsg
[L286]   COND TRUE   ((int)node1__m1) != ((int)nomsg)
[L288]   COND TRUE   !(alive1 == 0)
[L290]   COND FALSE  !(((int)node1__m1) > ((int)id1))
[L297]   COND TRUE   ((int)node1__m1) == ((int)id1)
[L299]               st1 = 1
[L300]               mode1 = 0
[L302]               msg_t node2__m2;
[L303]               node2__m2 = nomsg
[L304]   COND TRUE   !(mode2 == 0)
[L306]               node2__m2 = p1_old
[L307]               p1_old = nomsg
[L308]   COND FALSE  !(((int)node2__m2) != ((int)nomsg))
[L540]               mode2 = 0
[L3396]              msg_t node3__m3;
[L3397]              node3__m3 = nomsg
[L3398]  COND TRUE   !(mode3 == 0)
[L3400]              node3__m3 = p2_old
[L3401]              p2_old = nomsg
[L3402]  COND TRUE   ((int)node3__m3) != ((int)nomsg)
[L3404]  COND TRUE   !(alive3 == 0)
[L3406]  COND FALSE  !(((int)node3__m3) > ((int)id3))
[L3413]  COND TRUE   ((int)node3__m3) == ((int)id3)
[L3415]              st3 = 1
[L3416]              mode3 = 0
[L3417]              p1_old = p1_new
[L3418]              p1_new = nomsg
[L3419]              p2_old = p2_new
[L3420]              p2_new = nomsg
[L3421]              p3_old = p3_new
[L3422]              p3_new = nomsg
[L3424]              int check__tmp;
[L3425]  COND FALSE  !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1)
[L3431]              check__tmp = 0
[L3432]              __return_2313 = check__tmp
[L3433]              main__c1 = __return_2313
[L3435]              _Bool __tmp_24;
[L3436]              __tmp_24 = main__c1
[L3437]              _Bool assert__arg;
[L3438]              assert__arg = __tmp_24
[L3439]  COND TRUE   assert__arg == 0
[L3441]              __VERIFIER_error()

  - UnprovableResult [Line: 719]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L1]                int __return_main;
[L12]               msg_t nomsg = (msg_t )-1;
[L13]               unsigned char r1 = '\x0';
[L14]               port_t p1 = 0;
[L15]               char p1_old = '\x0';
[L16]               char p1_new = '\x0';
[L17]               char id1 = '\x0';
[L18]               char st1 = '\x0';
[L19]               msg_t send1 = '\x0';
[L20]               _Bool mode1 = 0;
[L21]               _Bool alive1 = 0;
[L22]               port_t p2 = 0;
[L23]               char p2_old = '\x0';
[L24]               char p2_new = '\x0';
[L25]               char id2 = '\x0';
[L26]               char st2 = '\x0';
[L27]               msg_t send2 = '\x0';
[L28]               _Bool mode2 = 0;
[L29]               _Bool alive2 = 0;
[L30]               port_t p3 = 0;
[L31]               char p3_old = '\x0';
[L32]               char p3_new = '\x0';
[L33]               char id3 = '\x0';
[L34]               char st3 = '\x0';
[L35]               msg_t send3 = '\x0';
[L36]               _Bool mode3 = 0;
[L37]               _Bool alive3 = 0;
[L41]               void (*nodes[3])() = { &node1, &node2, &node3 };
[L45]               int __return_103;
[L46]               int __return_1324;
[L47]               int __return_3691;
[L48]               int __return_1314;
[L49]               int __return_3554;
[L50]               int __return_1344;
[L51]               int __return_1334;
[L52]               int __return_1284;
[L53]               int __return_3245;
[L54]               int __return_1274;
[L55]               int __return_3134;
[L56]               int __return_1304;
[L57]               int __return_3443;
[L58]               int __return_1294;
[L59]               int __return_3332;
[L60]               int __return_1404;
[L61]               int __return_1394;
[L62]               int __return_1424;
[L63]               int __return_1414;
[L64]               int __return_1364;
[L65]               int __return_1354;
[L66]               int __return_1384;
[L67]               int __return_1374;
[L68]               int __return_1164;
[L69]               int __return_2313;
[L70]               int __return_1154;
[L71]               int __return_2202;
[L72]               int __return_1184;
[L73]               int __return_1174;
[L74]               int __return_1124;
[L75]               int __return_1967;
[L76]               int __return_1114;
[L77]               int __return_1880;
[L78]               int __return_5121;
[L79]               int __return_1144;
[L80]               int __return_2115;
[L81]               int __return_1134;
[L82]               int __return_2028;
[L83]               int __return_1244;
[L84]               int __return_2927;
[L85]               int __return_1234;
[L86]               int __return_2816;
[L87]               int __return_1264;
[L88]               int __return_1254;
[L89]               int __return_1204;
[L90]               int __return_2581;
[L91]               int __return_1194;
[L92]               int __return_2494;
[L93]               int __return_1224;
[L94]               int __return_2729;
[L95]               int __return_1214;
[L96]               int __return_2642;
[L97]               int __return_1484;
[L98]               int __return_1474;
[L99]               int __return_4505;
[L100]              int __return_1504;
[L101]              int __return_1494;
[L102]              int __return_1444;
[L103]              int __return_1434;
[L104]              int __return_4311;
[L105]              int __return_1464;
[L106]              int __return_1454;
[L107]              int __return_4395;
[L108]              int __return_1564;
[L109]              int __return_1554;
[L110]              int __return_4853;
[L111]              int __return_1584;
[L112]              int __return_1574;
[L113]              int __return_1524;
[L114]              int __return_1514;
[L115]              int __return_4659;
[L116]              int __return_1544;
[L117]              int __return_1534;
[L118]              int __return_4743;
[L121]              int main__c1;
[L122]              int main__i2;
[L123]              main__c1 = 0
[L124]              r1 = __VERIFIER_nondet_uchar()
[L125]              id1 = __VERIFIER_nondet_char()
[L126]              st1 = __VERIFIER_nondet_char()
[L127]              send1 = __VERIFIER_nondet_char()
[L128]              mode1 = __VERIFIER_nondet_bool()
[L129]              alive1 = __VERIFIER_nondet_bool()
[L130]              id2 = __VERIFIER_nondet_char()
[L131]              st2 = __VERIFIER_nondet_char()
[L132]              send2 = __VERIFIER_nondet_char()
[L133]              mode2 = __VERIFIER_nondet_bool()
[L134]              alive2 = __VERIFIER_nondet_bool()
[L135]              id3 = __VERIFIER_nondet_char()
[L136]              st3 = __VERIFIER_nondet_char()
[L137]              send3 = __VERIFIER_nondet_char()
[L138]              mode3 = __VERIFIER_nondet_bool()
[L139]              alive3 = __VERIFIER_nondet_bool()
[L141]              int init__tmp;
[L142]  COND TRUE   ((int)r1) == 0
[L144]  COND TRUE   ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1
[L146]  COND TRUE   ((int)id1) >= 0
[L148]  COND TRUE   ((int)st1) == 0
[L150]  COND TRUE   ((int)send1) == ((int)id1)
[L152]  COND TRUE   ((int)mode1) == 0
[L154]  COND TRUE   ((int)id2) >= 0
[L156]  COND TRUE   ((int)st2) == 0
[L158]  COND TRUE   ((int)send2) == ((int)id2)
[L160]  COND TRUE   ((int)mode2) == 0
[L162]  COND TRUE   ((int)id3) >= 0
[L164]  COND TRUE   ((int)st3) == 0
[L166]  COND TRUE   ((int)send3) == ((int)id3)
[L168]  COND TRUE   ((int)mode3) == 0
[L170]  COND TRUE   ((int)id1) != ((int)id2)
[L172]  COND TRUE   ((int)id1) != ((int)id3)
[L174]  COND TRUE   ((int)id2) != ((int)id3)
[L176]              init__tmp = 1
[L177]              __return_103 = init__tmp
[L178]              main__i2 = __return_103
[L179]  COND TRUE   main__i2 != 0
[L181]              p1_old = nomsg
[L182]              p1_new = nomsg
[L183]              p2_old = nomsg
[L184]              p2_new = nomsg
[L185]              p3_old = nomsg
[L186]              p3_new = nomsg
[L187]              main__i2 = 0
[L189]              msg_t node1__m1;
[L190]              node1__m1 = nomsg
[L191]  COND FALSE  !(!(mode1 == 0))
[L197]  COND TRUE   !(alive1 == 0)
[L199]              int node1____CPAchecker_TMP_0;
[L200]  COND TRUE   send1 != nomsg
[L202]  COND TRUE   p1_new == nomsg
[L204]              node1____CPAchecker_TMP_0 = send1
[L205]              p1_new = node1____CPAchecker_TMP_0
[L207]              mode1 = 1
[L209]              msg_t node2__m2;
[L210]              node2__m2 = nomsg
[L211]  COND FALSE  !(!(mode2 == 0))
[L217]  COND TRUE   !(alive2 == 0)
[L219]              int node2____CPAchecker_TMP_0;
[L220]  COND TRUE   send2 != nomsg
[L222]  COND TRUE   p2_new == nomsg
[L224]              node2____CPAchecker_TMP_0 = send2
[L225]              p2_new = node2____CPAchecker_TMP_0
[L226]              mode2 = 1
[L228]              msg_t node3__m3;
[L229]              node3__m3 = nomsg
[L230]  COND FALSE  !(!(mode3 == 0))
[L236]  COND TRUE   !(alive3 == 0)
[L238]              int node3____CPAchecker_TMP_0;
[L239]  COND TRUE   send3 != nomsg
[L241]  COND TRUE   p3_new == nomsg
[L243]              node3____CPAchecker_TMP_0 = send3
[L244]              p3_new = node3____CPAchecker_TMP_0
[L245]              mode3 = 1
[L246]              p1_old = p1_new
[L247]              p1_new = nomsg
[L248]              p2_old = p2_new
[L249]              p2_new = nomsg
[L250]              p3_old = p3_new
[L251]              p3_new = nomsg
[L253]              int check__tmp;
[L254]  COND TRUE   ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L256]  COND TRUE   ((int)r1) < 3
[L258]              check__tmp = 1
[L259]              __return_1324 = check__tmp
[L260]              main__c1 = __return_1324
[L262]              _Bool __tmp_1;
[L263]              __tmp_1 = main__c1
[L264]              _Bool assert__arg;
[L265]              assert__arg = __tmp_1
[L266]  COND FALSE  !(assert__arg == 0)
[L273]              msg_t node1__m1;
[L274]              node1__m1 = nomsg
[L275]  COND TRUE   !(mode1 == 0)
[L277]  COND FALSE  !(r1 == 255)
[L283]              r1 = r1 + 1
[L284]              node1__m1 = p3_old
[L285]              p3_old = nomsg
[L286]  COND FALSE  !(((int)node1__m1) != ((int)nomsg))
[L568]              mode1 = 0
[L652]              msg_t node2__m2;
[L653]              node2__m2 = nomsg
[L654]  COND TRUE   !(mode2 == 0)
[L656]              node2__m2 = p1_old
[L657]              p1_old = nomsg
[L658]  COND TRUE   ((int)node2__m2) != ((int)nomsg)
[L660]  COND TRUE   !(alive2 == 0)
[L662]  COND FALSE  !(((int)node2__m2) > ((int)id2))
[L669]  COND TRUE   ((int)node2__m2) == ((int)id2)
[L671]              st2 = 1
[L672]              mode2 = 0
[L674]              msg_t node3__m3;
[L675]              node3__m3 = nomsg
[L676]  COND TRUE   !(mode3 == 0)
[L678]              node3__m3 = p2_old
[L679]              p2_old = nomsg
[L680]  COND TRUE   ((int)node3__m3) != ((int)nomsg)
[L682]  COND TRUE   !(alive3 == 0)
[L684]  COND FALSE  !(((int)node3__m3) > ((int)id3))
[L691]  COND TRUE   ((int)node3__m3) == ((int)id3)
[L693]              st3 = 1
[L694]              mode3 = 0
[L695]              p1_old = p1_new
[L696]              p1_new = nomsg
[L697]              p2_old = p2_new
[L698]              p2_new = nomsg
[L699]              p3_old = p3_new
[L700]              p3_new = nomsg
[L702]              int check__tmp;
[L703]  COND FALSE  !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1)
[L709]              check__tmp = 0
[L710]              __return_3554 = check__tmp
[L711]              main__c1 = __return_3554
[L713]              _Bool __tmp_4;
[L714]              __tmp_4 = main__c1
[L715]              _Bool assert__arg;
[L716]              assert__arg = __tmp_4
[L717]  COND TRUE   assert__arg == 0
[L719]              __VERIFIER_error()

  - UnprovableResult [Line: 5726]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L1]                 int __return_main;
[L12]                msg_t nomsg = (msg_t )-1;
[L13]                unsigned char r1 = '\x0';
[L14]                port_t p1 = 0;
[L15]                char p1_old = '\x0';
[L16]                char p1_new = '\x0';
[L17]                char id1 = '\x0';
[L18]                char st1 = '\x0';
[L19]                msg_t send1 = '\x0';
[L20]                _Bool mode1 = 0;
[L21]                _Bool alive1 = 0;
[L22]                port_t p2 = 0;
[L23]                char p2_old = '\x0';
[L24]                char p2_new = '\x0';
[L25]                char id2 = '\x0';
[L26]                char st2 = '\x0';
[L27]                msg_t send2 = '\x0';
[L28]                _Bool mode2 = 0;
[L29]                _Bool alive2 = 0;
[L30]                port_t p3 = 0;
[L31]                char p3_old = '\x0';
[L32]                char p3_new = '\x0';
[L33]                char id3 = '\x0';
[L34]                char st3 = '\x0';
[L35]                msg_t send3 = '\x0';
[L36]                _Bool mode3 = 0;
[L37]                _Bool alive3 = 0;
[L41]                void (*nodes[3])() = { &node1, &node2, &node3 };
[L45]                int __return_103;
[L46]                int __return_1324;
[L47]                int __return_3691;
[L48]                int __return_1314;
[L49]                int __return_3554;
[L50]                int __return_1344;
[L51]                int __return_1334;
[L52]                int __return_1284;
[L53]                int __return_3245;
[L54]                int __return_1274;
[L55]                int __return_3134;
[L56]                int __return_1304;
[L57]                int __return_3443;
[L58]                int __return_1294;
[L59]                int __return_3332;
[L60]                int __return_1404;
[L61]                int __return_1394;
[L62]                int __return_1424;
[L63]                int __return_1414;
[L64]                int __return_1364;
[L65]                int __return_1354;
[L66]                int __return_1384;
[L67]                int __return_1374;
[L68]                int __return_1164;
[L69]                int __return_2313;
[L70]                int __return_1154;
[L71]                int __return_2202;
[L72]                int __return_1184;
[L73]                int __return_1174;
[L74]                int __return_1124;
[L75]                int __return_1967;
[L76]                int __return_1114;
[L77]                int __return_1880;
[L78]                int __return_5121;
[L79]                int __return_1144;
[L80]                int __return_2115;
[L81]                int __return_1134;
[L82]                int __return_2028;
[L83]                int __return_1244;
[L84]                int __return_2927;
[L85]                int __return_1234;
[L86]                int __return_2816;
[L87]                int __return_1264;
[L88]                int __return_1254;
[L89]                int __return_1204;
[L90]                int __return_2581;
[L91]                int __return_1194;
[L92]                int __return_2494;
[L93]                int __return_1224;
[L94]                int __return_2729;
[L95]                int __return_1214;
[L96]                int __return_2642;
[L97]                int __return_1484;
[L98]                int __return_1474;
[L99]                int __return_4505;
[L100]               int __return_1504;
[L101]               int __return_1494;
[L102]               int __return_1444;
[L103]               int __return_1434;
[L104]               int __return_4311;
[L105]               int __return_1464;
[L106]               int __return_1454;
[L107]               int __return_4395;
[L108]               int __return_1564;
[L109]               int __return_1554;
[L110]               int __return_4853;
[L111]               int __return_1584;
[L112]               int __return_1574;
[L113]               int __return_1524;
[L114]               int __return_1514;
[L115]               int __return_4659;
[L116]               int __return_1544;
[L117]               int __return_1534;
[L118]               int __return_4743;
[L121]               int main__c1;
[L122]               int main__i2;
[L123]               main__c1 = 0
[L124]               r1 = __VERIFIER_nondet_uchar()
[L125]               id1 = __VERIFIER_nondet_char()
[L126]               st1 = __VERIFIER_nondet_char()
[L127]               send1 = __VERIFIER_nondet_char()
[L128]               mode1 = __VERIFIER_nondet_bool()
[L129]               alive1 = __VERIFIER_nondet_bool()
[L130]               id2 = __VERIFIER_nondet_char()
[L131]               st2 = __VERIFIER_nondet_char()
[L132]               send2 = __VERIFIER_nondet_char()
[L133]               mode2 = __VERIFIER_nondet_bool()
[L134]               alive2 = __VERIFIER_nondet_bool()
[L135]               id3 = __VERIFIER_nondet_char()
[L136]               st3 = __VERIFIER_nondet_char()
[L137]               send3 = __VERIFIER_nondet_char()
[L138]               mode3 = __VERIFIER_nondet_bool()
[L139]               alive3 = __VERIFIER_nondet_bool()
[L141]               int init__tmp;
[L142]   COND TRUE   ((int)r1) == 0
[L144]   COND TRUE   ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1
[L146]   COND TRUE   ((int)id1) >= 0
[L148]   COND TRUE   ((int)st1) == 0
[L150]   COND TRUE   ((int)send1) == ((int)id1)
[L152]   COND TRUE   ((int)mode1) == 0
[L154]   COND TRUE   ((int)id2) >= 0
[L156]   COND TRUE   ((int)st2) == 0
[L158]   COND TRUE   ((int)send2) == ((int)id2)
[L160]   COND TRUE   ((int)mode2) == 0
[L162]   COND TRUE   ((int)id3) >= 0
[L164]   COND TRUE   ((int)st3) == 0
[L166]   COND TRUE   ((int)send3) == ((int)id3)
[L168]   COND TRUE   ((int)mode3) == 0
[L170]   COND TRUE   ((int)id1) != ((int)id2)
[L172]   COND TRUE   ((int)id1) != ((int)id3)
[L174]   COND TRUE   ((int)id2) != ((int)id3)
[L176]               init__tmp = 1
[L177]               __return_103 = init__tmp
[L178]               main__i2 = __return_103
[L179]   COND TRUE   main__i2 != 0
[L181]               p1_old = nomsg
[L182]               p1_new = nomsg
[L183]               p2_old = nomsg
[L184]               p2_new = nomsg
[L185]               p3_old = nomsg
[L186]               p3_new = nomsg
[L187]               main__i2 = 0
[L189]               msg_t node1__m1;
[L190]               node1__m1 = nomsg
[L191]   COND FALSE  !(!(mode1 == 0))
[L197]   COND TRUE   !(alive1 == 0)
[L199]               int node1____CPAchecker_TMP_0;
[L200]   COND TRUE   send1 != nomsg
[L202]   COND TRUE   p1_new == nomsg
[L204]               node1____CPAchecker_TMP_0 = send1
[L205]               p1_new = node1____CPAchecker_TMP_0
[L207]               mode1 = 1
[L209]               msg_t node2__m2;
[L210]               node2__m2 = nomsg
[L211]   COND FALSE  !(!(mode2 == 0))
[L217]   COND FALSE  !(!(alive2 == 0))
[L2198]  COND TRUE   ((int)send2) != ((int)id2)
[L2200]              int node2____CPAchecker_TMP_1;
[L2201]  COND TRUE   send2 != nomsg
[L2203]  COND TRUE   p2_new == nomsg
[L2205]              node2____CPAchecker_TMP_1 = send2
[L2217]              p2_new = node2____CPAchecker_TMP_1
[L2218]              mode2 = 1
[L2220]              msg_t node3__m3;
[L2221]              node3__m3 = nomsg
[L2222]  COND FALSE  !(!(mode3 == 0))
[L2228]  COND TRUE   !(alive3 == 0)
[L2230]              int node3____CPAchecker_TMP_0;
[L2231]  COND TRUE   send3 != nomsg
[L2233]  COND TRUE   p3_new == nomsg
[L2235]              node3____CPAchecker_TMP_0 = send3
[L2236]              p3_new = node3____CPAchecker_TMP_0
[L2237]              mode3 = 1
[L2238]              p1_old = p1_new
[L2239]              p1_new = nomsg
[L2240]              p2_old = p2_new
[L2241]              p2_new = nomsg
[L2242]              p3_old = p3_new
[L2243]              p3_new = nomsg
[L2245]              int check__tmp;
[L2246]  COND TRUE   ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L2248]  COND TRUE   ((int)r1) < 3
[L2250]              check__tmp = 1
[L2251]              __return_1404 = check__tmp
[L2252]              main__c1 = __return_1404
[L2254]              _Bool __tmp_15;
[L2255]              __tmp_15 = main__c1
[L2256]              _Bool assert__arg;
[L2257]              assert__arg = __tmp_15
[L2258]  COND FALSE  !(assert__arg == 0)
[L2265]              msg_t node1__m1;
[L2266]              node1__m1 = nomsg
[L2267]  COND TRUE   !(mode1 == 0)
[L2269]  COND FALSE  !(r1 == 255)
[L2275]              r1 = r1 + 1
[L2276]              node1__m1 = p3_old
[L2277]              p3_old = nomsg
[L2278]  COND TRUE   ((int)node1__m1) != ((int)nomsg)
[L2280]  COND TRUE   !(alive1 == 0)
[L2282]  COND FALSE  !(((int)node1__m1) > ((int)id1))
[L2289]  COND TRUE   ((int)node1__m1) == ((int)id1)
[L2291]              st1 = 1
[L2292]              mode1 = 0
[L2294]              msg_t node2__m2;
[L2295]              node2__m2 = nomsg
[L2296]  COND TRUE   !(mode2 == 0)
[L2298]              node2__m2 = p1_old
[L2299]              p1_old = nomsg
[L2300]  COND FALSE  !(((int)node2__m2) != ((int)nomsg))
[L2315]              mode2 = 0
[L5681]              msg_t node3__m3;
[L5682]              node3__m3 = nomsg
[L5683]  COND TRUE   !(mode3 == 0)
[L5685]              node3__m3 = p2_old
[L5686]              p2_old = nomsg
[L5687]  COND TRUE   ((int)node3__m3) != ((int)nomsg)
[L5689]  COND TRUE   !(alive3 == 0)
[L5691]  COND FALSE  !(((int)node3__m3) > ((int)id3))
[L5698]  COND TRUE   ((int)node3__m3) == ((int)id3)
[L5700]              st3 = 1
[L5701]              mode3 = 0
[L5702]              p1_old = p1_new
[L5703]              p1_new = nomsg
[L5704]              p2_old = p2_new
[L5705]              p2_new = nomsg
[L5706]              p3_old = p3_new
[L5707]              p3_new = nomsg
[L5709]              int check__tmp;
[L5710]  COND FALSE  !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1)
[L5716]              check__tmp = 0
[L5717]              __return_2927 = check__tmp
[L5718]              main__c1 = __return_2927
[L5720]              _Bool __tmp_38;
[L5721]              __tmp_38 = main__c1
[L5722]              _Bool assert__arg;
[L5723]              assert__arg = __tmp_38
[L5724]  COND TRUE   assert__arg == 0
[L5726]              __VERIFIER_error()

  - UnprovableResult [Line: 1850]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L1]                 int __return_main;
[L12]                msg_t nomsg = (msg_t )-1;
[L13]                unsigned char r1 = '\x0';
[L14]                port_t p1 = 0;
[L15]                char p1_old = '\x0';
[L16]                char p1_new = '\x0';
[L17]                char id1 = '\x0';
[L18]                char st1 = '\x0';
[L19]                msg_t send1 = '\x0';
[L20]                _Bool mode1 = 0;
[L21]                _Bool alive1 = 0;
[L22]                port_t p2 = 0;
[L23]                char p2_old = '\x0';
[L24]                char p2_new = '\x0';
[L25]                char id2 = '\x0';
[L26]                char st2 = '\x0';
[L27]                msg_t send2 = '\x0';
[L28]                _Bool mode2 = 0;
[L29]                _Bool alive2 = 0;
[L30]                port_t p3 = 0;
[L31]                char p3_old = '\x0';
[L32]                char p3_new = '\x0';
[L33]                char id3 = '\x0';
[L34]                char st3 = '\x0';
[L35]                msg_t send3 = '\x0';
[L36]                _Bool mode3 = 0;
[L37]                _Bool alive3 = 0;
[L41]                void (*nodes[3])() = { &node1, &node2, &node3 };
[L45]                int __return_103;
[L46]                int __return_1324;
[L47]                int __return_3691;
[L48]                int __return_1314;
[L49]                int __return_3554;
[L50]                int __return_1344;
[L51]                int __return_1334;
[L52]                int __return_1284;
[L53]                int __return_3245;
[L54]                int __return_1274;
[L55]                int __return_3134;
[L56]                int __return_1304;
[L57]                int __return_3443;
[L58]                int __return_1294;
[L59]                int __return_3332;
[L60]                int __return_1404;
[L61]                int __return_1394;
[L62]                int __return_1424;
[L63]                int __return_1414;
[L64]                int __return_1364;
[L65]                int __return_1354;
[L66]                int __return_1384;
[L67]                int __return_1374;
[L68]                int __return_1164;
[L69]                int __return_2313;
[L70]                int __return_1154;
[L71]                int __return_2202;
[L72]                int __return_1184;
[L73]                int __return_1174;
[L74]                int __return_1124;
[L75]                int __return_1967;
[L76]                int __return_1114;
[L77]                int __return_1880;
[L78]                int __return_5121;
[L79]                int __return_1144;
[L80]                int __return_2115;
[L81]                int __return_1134;
[L82]                int __return_2028;
[L83]                int __return_1244;
[L84]                int __return_2927;
[L85]                int __return_1234;
[L86]                int __return_2816;
[L87]                int __return_1264;
[L88]                int __return_1254;
[L89]                int __return_1204;
[L90]                int __return_2581;
[L91]                int __return_1194;
[L92]                int __return_2494;
[L93]                int __return_1224;
[L94]                int __return_2729;
[L95]                int __return_1214;
[L96]                int __return_2642;
[L97]                int __return_1484;
[L98]                int __return_1474;
[L99]                int __return_4505;
[L100]               int __return_1504;
[L101]               int __return_1494;
[L102]               int __return_1444;
[L103]               int __return_1434;
[L104]               int __return_4311;
[L105]               int __return_1464;
[L106]               int __return_1454;
[L107]               int __return_4395;
[L108]               int __return_1564;
[L109]               int __return_1554;
[L110]               int __return_4853;
[L111]               int __return_1584;
[L112]               int __return_1574;
[L113]               int __return_1524;
[L114]               int __return_1514;
[L115]               int __return_4659;
[L116]               int __return_1544;
[L117]               int __return_1534;
[L118]               int __return_4743;
[L121]               int main__c1;
[L122]               int main__i2;
[L123]               main__c1 = 0
[L124]               r1 = __VERIFIER_nondet_uchar()
[L125]               id1 = __VERIFIER_nondet_char()
[L126]               st1 = __VERIFIER_nondet_char()
[L127]               send1 = __VERIFIER_nondet_char()
[L128]               mode1 = __VERIFIER_nondet_bool()
[L129]               alive1 = __VERIFIER_nondet_bool()
[L130]               id2 = __VERIFIER_nondet_char()
[L131]               st2 = __VERIFIER_nondet_char()
[L132]               send2 = __VERIFIER_nondet_char()
[L133]               mode2 = __VERIFIER_nondet_bool()
[L134]               alive2 = __VERIFIER_nondet_bool()
[L135]               id3 = __VERIFIER_nondet_char()
[L136]               st3 = __VERIFIER_nondet_char()
[L137]               send3 = __VERIFIER_nondet_char()
[L138]               mode3 = __VERIFIER_nondet_bool()
[L139]               alive3 = __VERIFIER_nondet_bool()
[L141]               int init__tmp;
[L142]   COND TRUE   ((int)r1) == 0
[L144]   COND TRUE   ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1
[L146]   COND TRUE   ((int)id1) >= 0
[L148]   COND TRUE   ((int)st1) == 0
[L150]   COND TRUE   ((int)send1) == ((int)id1)
[L152]   COND TRUE   ((int)mode1) == 0
[L154]   COND TRUE   ((int)id2) >= 0
[L156]   COND TRUE   ((int)st2) == 0
[L158]   COND TRUE   ((int)send2) == ((int)id2)
[L160]   COND TRUE   ((int)mode2) == 0
[L162]   COND TRUE   ((int)id3) >= 0
[L164]   COND TRUE   ((int)st3) == 0
[L166]   COND TRUE   ((int)send3) == ((int)id3)
[L168]   COND TRUE   ((int)mode3) == 0
[L170]   COND TRUE   ((int)id1) != ((int)id2)
[L172]   COND TRUE   ((int)id1) != ((int)id3)
[L174]   COND TRUE   ((int)id2) != ((int)id3)
[L176]               init__tmp = 1
[L177]               __return_103 = init__tmp
[L178]               main__i2 = __return_103
[L179]   COND TRUE   main__i2 != 0
[L181]               p1_old = nomsg
[L182]               p1_new = nomsg
[L183]               p2_old = nomsg
[L184]               p2_new = nomsg
[L185]               p3_old = nomsg
[L186]               p3_new = nomsg
[L187]               main__i2 = 0
[L189]               msg_t node1__m1;
[L190]               node1__m1 = nomsg
[L191]   COND FALSE  !(!(mode1 == 0))
[L197]   COND TRUE   !(alive1 == 0)
[L199]               int node1____CPAchecker_TMP_0;
[L200]   COND TRUE   send1 != nomsg
[L202]   COND TRUE   p1_new == nomsg
[L204]               node1____CPAchecker_TMP_0 = send1
[L205]               p1_new = node1____CPAchecker_TMP_0
[L207]               mode1 = 1
[L209]               msg_t node2__m2;
[L210]               node2__m2 = nomsg
[L211]   COND FALSE  !(!(mode2 == 0))
[L217]   COND TRUE   !(alive2 == 0)
[L219]               int node2____CPAchecker_TMP_0;
[L220]   COND TRUE   send2 != nomsg
[L222]   COND TRUE   p2_new == nomsg
[L224]               node2____CPAchecker_TMP_0 = send2
[L225]               p2_new = node2____CPAchecker_TMP_0
[L226]               mode2 = 1
[L228]               msg_t node3__m3;
[L229]               node3__m3 = nomsg
[L230]   COND FALSE  !(!(mode3 == 0))
[L236]   COND FALSE  !(!(alive3 == 0))
[L810]   COND TRUE   ((int)send3) != ((int)id3)
[L812]               int node3____CPAchecker_TMP_1;
[L813]   COND TRUE   send3 != nomsg
[L815]   COND TRUE   p3_new == nomsg
[L817]               node3____CPAchecker_TMP_1 = send3
[L829]               p3_new = node3____CPAchecker_TMP_1
[L830]               mode3 = 1
[L831]               p1_old = p1_new
[L832]               p1_new = nomsg
[L833]               p2_old = p2_new
[L834]               p2_new = nomsg
[L835]               p3_old = p3_new
[L836]               p3_new = nomsg
[L838]               int check__tmp;
[L839]   COND TRUE   ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L841]   COND TRUE   ((int)r1) < 3
[L843]               check__tmp = 1
[L844]               __return_1344 = check__tmp
[L845]               main__c1 = __return_1344
[L847]               _Bool __tmp_5;
[L848]               __tmp_5 = main__c1
[L849]               _Bool assert__arg;
[L850]               assert__arg = __tmp_5
[L851]   COND FALSE  !(assert__arg == 0)
[L858]               msg_t node1__m1;
[L859]               node1__m1 = nomsg
[L860]   COND TRUE   !(mode1 == 0)
[L862]   COND FALSE  !(r1 == 255)
[L868]               r1 = r1 + 1
[L869]               node1__m1 = p3_old
[L870]               p3_old = nomsg
[L871]   COND TRUE   ((int)node1__m1) != ((int)nomsg)
[L873]   COND TRUE   !(alive1 == 0)
[L875]   COND FALSE  !(((int)node1__m1) > ((int)id1))
[L882]   COND TRUE   ((int)node1__m1) == ((int)id1)
[L884]               st1 = 1
[L885]               mode1 = 0
[L887]               msg_t node2__m2;
[L888]               node2__m2 = nomsg
[L889]   COND TRUE   !(mode2 == 0)
[L891]               node2__m2 = p1_old
[L892]               p1_old = nomsg
[L893]   COND TRUE   ((int)node2__m2) != ((int)nomsg)
[L895]   COND TRUE   !(alive2 == 0)
[L897]   COND FALSE  !(((int)node2__m2) > ((int)id2))
[L904]   COND TRUE   ((int)node2__m2) == ((int)id2)
[L906]               st2 = 1
[L907]               mode2 = 0
[L909]               msg_t node3__m3;
[L910]               node3__m3 = nomsg
[L911]   COND TRUE   !(mode3 == 0)
[L913]               node3__m3 = p2_old
[L914]               p2_old = nomsg
[L915]   COND FALSE  !(((int)node3__m3) != ((int)nomsg))
[L930]               mode3 = 0
[L1826]              p1_old = p1_new
[L1827]              p1_new = nomsg
[L1828]              p2_old = p2_new
[L1829]              p2_new = nomsg
[L1830]              p3_old = p3_new
[L1831]              p3_new = nomsg
[L1833]              int check__tmp;
[L1834]  COND FALSE  !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1)
[L1840]              check__tmp = 0
[L1841]              __return_3443 = check__tmp
[L1842]              main__c1 = __return_3443
[L1844]              _Bool __tmp_12;
[L1845]              __tmp_12 = main__c1
[L1846]              _Bool assert__arg;
[L1847]              assert__arg = __tmp_12
[L1848]  COND TRUE   assert__arg == 0
[L1850]              __VERIFIER_error()

  - UnprovableResult [Line: 370]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: abstract domain could reach this error location. 
Possible FailurePath: 
[L1]                int __return_main;
[L12]               msg_t nomsg = (msg_t )-1;
[L13]               unsigned char r1 = '\x0';
[L14]               port_t p1 = 0;
[L15]               char p1_old = '\x0';
[L16]               char p1_new = '\x0';
[L17]               char id1 = '\x0';
[L18]               char st1 = '\x0';
[L19]               msg_t send1 = '\x0';
[L20]               _Bool mode1 = 0;
[L21]               _Bool alive1 = 0;
[L22]               port_t p2 = 0;
[L23]               char p2_old = '\x0';
[L24]               char p2_new = '\x0';
[L25]               char id2 = '\x0';
[L26]               char st2 = '\x0';
[L27]               msg_t send2 = '\x0';
[L28]               _Bool mode2 = 0;
[L29]               _Bool alive2 = 0;
[L30]               port_t p3 = 0;
[L31]               char p3_old = '\x0';
[L32]               char p3_new = '\x0';
[L33]               char id3 = '\x0';
[L34]               char st3 = '\x0';
[L35]               msg_t send3 = '\x0';
[L36]               _Bool mode3 = 0;
[L37]               _Bool alive3 = 0;
[L41]               void (*nodes[3])() = { &node1, &node2, &node3 };
[L45]               int __return_103;
[L46]               int __return_1324;
[L47]               int __return_3691;
[L48]               int __return_1314;
[L49]               int __return_3554;
[L50]               int __return_1344;
[L51]               int __return_1334;
[L52]               int __return_1284;
[L53]               int __return_3245;
[L54]               int __return_1274;
[L55]               int __return_3134;
[L56]               int __return_1304;
[L57]               int __return_3443;
[L58]               int __return_1294;
[L59]               int __return_3332;
[L60]               int __return_1404;
[L61]               int __return_1394;
[L62]               int __return_1424;
[L63]               int __return_1414;
[L64]               int __return_1364;
[L65]               int __return_1354;
[L66]               int __return_1384;
[L67]               int __return_1374;
[L68]               int __return_1164;
[L69]               int __return_2313;
[L70]               int __return_1154;
[L71]               int __return_2202;
[L72]               int __return_1184;
[L73]               int __return_1174;
[L74]               int __return_1124;
[L75]               int __return_1967;
[L76]               int __return_1114;
[L77]               int __return_1880;
[L78]               int __return_5121;
[L79]               int __return_1144;
[L80]               int __return_2115;
[L81]               int __return_1134;
[L82]               int __return_2028;
[L83]               int __return_1244;
[L84]               int __return_2927;
[L85]               int __return_1234;
[L86]               int __return_2816;
[L87]               int __return_1264;
[L88]               int __return_1254;
[L89]               int __return_1204;
[L90]               int __return_2581;
[L91]               int __return_1194;
[L92]               int __return_2494;
[L93]               int __return_1224;
[L94]               int __return_2729;
[L95]               int __return_1214;
[L96]               int __return_2642;
[L97]               int __return_1484;
[L98]               int __return_1474;
[L99]               int __return_4505;
[L100]              int __return_1504;
[L101]              int __return_1494;
[L102]              int __return_1444;
[L103]              int __return_1434;
[L104]              int __return_4311;
[L105]              int __return_1464;
[L106]              int __return_1454;
[L107]              int __return_4395;
[L108]              int __return_1564;
[L109]              int __return_1554;
[L110]              int __return_4853;
[L111]              int __return_1584;
[L112]              int __return_1574;
[L113]              int __return_1524;
[L114]              int __return_1514;
[L115]              int __return_4659;
[L116]              int __return_1544;
[L117]              int __return_1534;
[L118]              int __return_4743;
[L121]              int main__c1;
[L122]              int main__i2;
[L123]              main__c1 = 0
[L124]              r1 = __VERIFIER_nondet_uchar()
[L125]              id1 = __VERIFIER_nondet_char()
[L126]              st1 = __VERIFIER_nondet_char()
[L127]              send1 = __VERIFIER_nondet_char()
[L128]              mode1 = __VERIFIER_nondet_bool()
[L129]              alive1 = __VERIFIER_nondet_bool()
[L130]              id2 = __VERIFIER_nondet_char()
[L131]              st2 = __VERIFIER_nondet_char()
[L132]              send2 = __VERIFIER_nondet_char()
[L133]              mode2 = __VERIFIER_nondet_bool()
[L134]              alive2 = __VERIFIER_nondet_bool()
[L135]              id3 = __VERIFIER_nondet_char()
[L136]              st3 = __VERIFIER_nondet_char()
[L137]              send3 = __VERIFIER_nondet_char()
[L138]              mode3 = __VERIFIER_nondet_bool()
[L139]              alive3 = __VERIFIER_nondet_bool()
[L141]              int init__tmp;
[L142]  COND TRUE   ((int)r1) == 0
[L144]  COND TRUE   ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1
[L146]  COND TRUE   ((int)id1) >= 0
[L148]  COND TRUE   ((int)st1) == 0
[L150]  COND TRUE   ((int)send1) == ((int)id1)
[L152]  COND TRUE   ((int)mode1) == 0
[L154]  COND TRUE   ((int)id2) >= 0
[L156]  COND TRUE   ((int)st2) == 0
[L158]  COND TRUE   ((int)send2) == ((int)id2)
[L160]  COND TRUE   ((int)mode2) == 0
[L162]  COND TRUE   ((int)id3) >= 0
[L164]  COND TRUE   ((int)st3) == 0
[L166]  COND TRUE   ((int)send3) == ((int)id3)
[L168]  COND TRUE   ((int)mode3) == 0
[L170]  COND TRUE   ((int)id1) != ((int)id2)
[L172]  COND TRUE   ((int)id1) != ((int)id3)
[L174]  COND TRUE   ((int)id2) != ((int)id3)
[L176]              init__tmp = 1
[L177]              __return_103 = init__tmp
[L178]              main__i2 = __return_103
[L179]  COND TRUE   main__i2 != 0
[L181]              p1_old = nomsg
[L182]              p1_new = nomsg
[L183]              p2_old = nomsg
[L184]              p2_new = nomsg
[L185]              p3_old = nomsg
[L186]              p3_new = nomsg
[L187]              main__i2 = 0
[L189]              msg_t node1__m1;
[L190]              node1__m1 = nomsg
[L191]  COND FALSE  !(!(mode1 == 0))
[L197]  COND TRUE   !(alive1 == 0)
[L199]              int node1____CPAchecker_TMP_0;
[L200]  COND TRUE   send1 != nomsg
[L202]  COND TRUE   p1_new == nomsg
[L204]              node1____CPAchecker_TMP_0 = send1
[L205]              p1_new = node1____CPAchecker_TMP_0
[L207]              mode1 = 1
[L209]              msg_t node2__m2;
[L210]              node2__m2 = nomsg
[L211]  COND FALSE  !(!(mode2 == 0))
[L217]  COND TRUE   !(alive2 == 0)
[L219]              int node2____CPAchecker_TMP_0;
[L220]  COND TRUE   send2 != nomsg
[L222]  COND TRUE   p2_new == nomsg
[L224]              node2____CPAchecker_TMP_0 = send2
[L225]              p2_new = node2____CPAchecker_TMP_0
[L226]              mode2 = 1
[L228]              msg_t node3__m3;
[L229]              node3__m3 = nomsg
[L230]  COND FALSE  !(!(mode3 == 0))
[L236]  COND TRUE   !(alive3 == 0)
[L238]              int node3____CPAchecker_TMP_0;
[L239]  COND TRUE   send3 != nomsg
[L241]  COND TRUE   p3_new == nomsg
[L243]              node3____CPAchecker_TMP_0 = send3
[L244]              p3_new = node3____CPAchecker_TMP_0
[L245]              mode3 = 1
[L246]              p1_old = p1_new
[L247]              p1_new = nomsg
[L248]              p2_old = p2_new
[L249]              p2_new = nomsg
[L250]              p3_old = p3_new
[L251]              p3_new = nomsg
[L253]              int check__tmp;
[L254]  COND TRUE   ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L256]  COND TRUE   ((int)r1) < 3
[L258]              check__tmp = 1
[L259]              __return_1324 = check__tmp
[L260]              main__c1 = __return_1324
[L262]              _Bool __tmp_1;
[L263]              __tmp_1 = main__c1
[L264]              _Bool assert__arg;
[L265]              assert__arg = __tmp_1
[L266]  COND FALSE  !(assert__arg == 0)
[L273]              msg_t node1__m1;
[L274]              node1__m1 = nomsg
[L275]  COND TRUE   !(mode1 == 0)
[L277]  COND FALSE  !(r1 == 255)
[L283]              r1 = r1 + 1
[L284]              node1__m1 = p3_old
[L285]              p3_old = nomsg
[L286]  COND TRUE   ((int)node1__m1) != ((int)nomsg)
[L288]  COND TRUE   !(alive1 == 0)
[L290]  COND FALSE  !(((int)node1__m1) > ((int)id1))
[L297]  COND TRUE   ((int)node1__m1) == ((int)id1)
[L299]              st1 = 1
[L300]              mode1 = 0
[L302]              msg_t node2__m2;
[L303]              node2__m2 = nomsg
[L304]  COND TRUE   !(mode2 == 0)
[L306]              node2__m2 = p1_old
[L307]              p1_old = nomsg
[L308]  COND TRUE   ((int)node2__m2) != ((int)nomsg)
[L310]  COND TRUE   !(alive2 == 0)
[L312]  COND FALSE  !(((int)node2__m2) > ((int)id2))
[L319]  COND TRUE   ((int)node2__m2) == ((int)id2)
[L321]              st2 = 1
[L322]              mode2 = 0
[L324]              msg_t node3__m3;
[L325]              node3__m3 = nomsg
[L326]  COND TRUE   !(mode3 == 0)
[L328]              node3__m3 = p2_old
[L329]              p2_old = nomsg
[L330]  COND TRUE   ((int)node3__m3) != ((int)nomsg)
[L332]  COND TRUE   !(alive3 == 0)
[L334]  COND FALSE  !(((int)node3__m3) > ((int)id3))
[L341]  COND TRUE   ((int)node3__m3) == ((int)id3)
[L343]              st3 = 1
[L344]              mode3 = 0
[L345]              p1_old = p1_new
[L346]              p1_new = nomsg
[L347]              p2_old = p2_new
[L348]              p2_new = nomsg
[L349]              p3_old = p3_new
[L350]              p3_new = nomsg
[L352]              int check__tmp;
[L353]  COND FALSE  !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1)
[L359]              check__tmp = 0
[L360]              __return_3691 = check__tmp
[L361]              main__c1 = __return_3691
[L364]              _Bool __tmp_2;
[L365]              __tmp_2 = main__c1
[L366]              _Bool assert__arg;
[L367]              assert__arg = __tmp_2
[L368]  COND TRUE   assert__arg == 0
[L370]              __VERIFIER_error()

RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...