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.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:19:00,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:19:00,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:19:00,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:19:00,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:19:00,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:19:00,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:19:00,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:19:00,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:19:00,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:19:00,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:19:00,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:19:00,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:19:00,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:19:00,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:19:00,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:19:00,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:19:00,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:19:00,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:19:00,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:19:00,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:19:00,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:19:00,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:19:00,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:19:00,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:19:00,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:19:00,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:19:00,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:19:00,895 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 [2019-09-11 17:19:00,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:19:00,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:19:00,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:19:00,925 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:19:00,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:19:00,925 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:19:00,926 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:19:00,926 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:19:00,926 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:19:00,926 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:19:00,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:19:00,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:19:00,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:19:00,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:19:00,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:19:00,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:19:00,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:19:00,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:19:00,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:19:00,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:19:00,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:19:00,931 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:19:00,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:19:00,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:19:00,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:19:00,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:19:00,932 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:19:00,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:19:00,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:19:00,933 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:19:00,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:19:01,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:19:01,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:19:01,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:19:01,010 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:19:01,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-09-11 17:19:01,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5007f2b64/9e88807b34e9424b85636e4041a04a73/FLAG2e4d375c9 [2019-09-11 17:19:01,723 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:19:01,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-09-11 17:19:01,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5007f2b64/9e88807b34e9424b85636e4041a04a73/FLAG2e4d375c9 [2019-09-11 17:19:01,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5007f2b64/9e88807b34e9424b85636e4041a04a73 [2019-09-11 17:19:01,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:19:01,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:19:01,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:19:01,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:19:01,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:19:01,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a23211a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01, skipping insertion in model container [2019-09-11 17:19:01,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,887 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:19:01,973 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:19:02,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:19:02,766 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:19:03,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:19:03,189 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:19:03,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03 WrapperNode [2019-09-11 17:19:03,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:19:03,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:19:03,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:19:03,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:19:03,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:03,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:03,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:03,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:03,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:03,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:03,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:03,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:19:03,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:19:03,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:19:03,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:19:03,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:03" (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 [2019-09-11 17:19:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:19:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:19:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:19:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:19:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:19:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:19:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:19:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:19:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:19:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:19:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:19:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:19:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:19:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:19:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:19:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:19:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:19:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:19:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:19:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:19:05,746 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:19:05,748 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:19:05,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:19:05 BoogieIcfgContainer [2019-09-11 17:19:05,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:19:05,750 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:19:05,750 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:19:05,751 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:19:05,752 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:19:05" (1/1) ... [2019-09-11 17:19:05,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:19:06,014 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:19:10,369 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:19:10,470 INFO L272 AbstractInterpreter]: Visited 419 different actions 3433 times. Merged at 241 different actions 1935 times. Widened at 43 different actions 324 times. Performed 11259 root evaluator evaluations with a maximum evaluation depth of 6. Performed 11259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 722 fixpoints after 123 different actions. Largest state had 351 variables. [2019-09-11 17:19:10,470 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:19:10,473 INFO L168 Benchmark]: Toolchain (without parser) took 8602.39 ms. Allocated memory was 142.1 MB in the beginning and 492.3 MB in the end (delta: 350.2 MB). Free memory was 85.9 MB in the beginning and 183.7 MB in the end (delta: -97.9 MB). Peak memory consumption was 252.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:10,474 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:19:10,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1318.89 ms. Allocated memory was 142.1 MB in the beginning and 210.8 MB in the end (delta: 68.7 MB). Free memory was 85.7 MB in the beginning and 157.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:10,476 INFO L168 Benchmark]: Boogie Preprocessor took 178.88 ms. Allocated memory is still 210.8 MB. Free memory was 157.8 MB in the beginning and 151.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:10,477 INFO L168 Benchmark]: RCFGBuilder took 2380.39 ms. Allocated memory was 210.8 MB in the beginning and 272.1 MB in the end (delta: 61.3 MB). Free memory was 151.0 MB in the beginning and 116.2 MB in the end (delta: 34.8 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:10,478 INFO L168 Benchmark]: Abstract Interpretation took 4720.07 ms. Allocated memory was 272.1 MB in the beginning and 492.3 MB in the end (delta: 220.2 MB). Free memory was 116.2 MB in the beginning and 183.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 152.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:10,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1318.89 ms. Allocated memory was 142.1 MB in the beginning and 210.8 MB in the end (delta: 68.7 MB). Free memory was 85.7 MB in the beginning and 157.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 178.88 ms. Allocated memory is still 210.8 MB. Free memory was 157.8 MB in the beginning and 151.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2380.39 ms. Allocated memory was 210.8 MB in the beginning and 272.1 MB in the end (delta: 61.3 MB). Free memory was 151.0 MB in the beginning and 116.2 MB in the end (delta: 34.8 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 4720.07 ms. Allocated memory was 272.1 MB in the beginning and 492.3 MB in the end (delta: 220.2 MB). Free memory was 116.2 MB in the beginning and 183.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 152.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 2985]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2413] msg_t node3__m3; [L2414] node3__m3 = nomsg [L2415] COND TRUE !(mode3 == 0) [L2417] node3__m3 = p2_old [L2418] p2_old = nomsg [L2419] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2421] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2428] COND TRUE ((int)node3__m3) == ((int)id3) [L2430] st3 = 1 [L2431] mode3 = 0 [L2433] msg_t node4__m4; [L2434] node4__m4 = nomsg [L2435] COND TRUE !(mode4 == 0) [L2437] node4__m4 = p3_old [L2438] p3_old = nomsg [L2439] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L2500] mode4 = 0 [L2959] p1_old = p1_new [L2960] p1_new = nomsg [L2961] p2_old = p2_new [L2962] p2_new = nomsg [L2963] p3_old = p3_new [L2964] p3_new = nomsg [L2965] p4_old = p4_new [L2966] p4_new = nomsg [L2968] int check__tmp; [L2969] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2975] check__tmp = 0 [L2976] __return_1451 = check__tmp [L2977] main__c1 = __return_1451 [L2979] _Bool __tmp_18; [L2980] __tmp_18 = main__c1 [L2981] _Bool assert__arg; [L2982] assert__arg = __tmp_18 [L2983] COND TRUE assert__arg == 0 [L2985] __VERIFIER_error() - UnprovableResult [Line: 3492]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2413] msg_t node3__m3; [L2414] node3__m3 = nomsg [L2415] COND TRUE !(mode3 == 0) [L2417] node3__m3 = p2_old [L2418] p2_old = nomsg [L2419] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L2521] mode3 = 0 [L3447] msg_t node4__m4; [L3448] node4__m4 = nomsg [L3449] COND TRUE !(mode4 == 0) [L3451] node4__m4 = p3_old [L3452] p3_old = nomsg [L3453] COND TRUE ((int)node4__m4) != ((int)nomsg) [L3455] COND FALSE !(((int)node4__m4) > ((int)id4)) [L3462] COND TRUE ((int)node4__m4) == ((int)id4) [L3464] st4 = 1 [L3465] mode4 = 0 [L3466] p1_old = p1_new [L3467] p1_new = nomsg [L3468] p2_old = p2_new [L3469] p2_new = nomsg [L3470] p3_old = p3_new [L3471] p3_new = nomsg [L3472] p4_old = p4_new [L3473] p4_new = nomsg [L3475] int check__tmp; [L3476] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L3482] check__tmp = 0 [L3483] __return_1248 = check__tmp [L3484] main__c1 = __return_1248 [L3486] _Bool __tmp_22; [L3487] __tmp_22 = main__c1 [L3488] _Bool assert__arg; [L3489] assert__arg = __tmp_22 [L3490] COND TRUE assert__arg == 0 [L3492] __VERIFIER_error() - UnprovableResult [Line: 1946]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND TRUE ((int)node2__m2) != ((int)nomsg) [L307] COND FALSE !(((int)node2__m2) > ((int)id2)) [L314] COND TRUE ((int)node2__m2) == ((int)id2) [L316] st2 = 1 [L317] mode2 = 0 [L319] msg_t node3__m3; [L320] node3__m3 = nomsg [L321] COND TRUE !(mode3 == 0) [L323] node3__m3 = p2_old [L324] p2_old = nomsg [L325] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L449] mode3 = 0 [L1409] msg_t node4__m4; [L1410] node4__m4 = nomsg [L1411] COND TRUE !(mode4 == 0) [L1413] node4__m4 = p3_old [L1414] p3_old = nomsg [L1415] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1461] mode4 = 0 [L1920] p1_old = p1_new [L1921] p1_new = nomsg [L1922] p2_old = p2_new [L1923] p2_new = nomsg [L1924] p3_old = p3_new [L1925] p3_new = nomsg [L1926] p4_old = p4_new [L1927] p4_new = nomsg [L1929] int check__tmp; [L1930] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1936] check__tmp = 0 [L1937] __return_1891 = check__tmp [L1938] main__c1 = __return_1891 [L1940] _Bool __tmp_10; [L1941] __tmp_10 = main__c1 [L1942] _Bool assert__arg; [L1943] assert__arg = __tmp_10 [L1944] COND TRUE assert__arg == 0 [L1946] __VERIFIER_error() - UnprovableResult [Line: 2729]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L491] mode1 = 0 [L591] msg_t node2__m2; [L592] node2__m2 = nomsg [L593] COND TRUE !(mode2 == 0) [L595] node2__m2 = p1_old [L596] p1_old = nomsg [L597] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L725] mode2 = 0 [L2664] msg_t node3__m3; [L2665] node3__m3 = nomsg [L2666] COND TRUE !(mode3 == 0) [L2668] node3__m3 = p2_old [L2669] p2_old = nomsg [L2670] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2672] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2679] COND TRUE ((int)node3__m3) == ((int)id3) [L2681] st3 = 1 [L2682] mode3 = 0 [L2684] msg_t node4__m4; [L2685] node4__m4 = nomsg [L2686] COND TRUE !(mode4 == 0) [L2688] node4__m4 = p3_old [L2689] p3_old = nomsg [L2690] COND TRUE ((int)node4__m4) != ((int)nomsg) [L2692] COND FALSE !(((int)node4__m4) > ((int)id4)) [L2699] COND TRUE ((int)node4__m4) == ((int)id4) [L2701] st4 = 1 [L2702] mode4 = 0 [L2703] p1_old = p1_new [L2704] p1_new = nomsg [L2705] p2_old = p2_new [L2706] p2_new = nomsg [L2707] p3_old = p3_new [L2708] p3_new = nomsg [L2709] p4_old = p4_new [L2710] p4_new = nomsg [L2712] int check__tmp; [L2713] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2719] check__tmp = 0 [L2720] __return_1561 = check__tmp [L2721] main__c1 = __return_1561 [L2723] _Bool __tmp_16; [L2724] __tmp_16 = main__c1 [L2725] _Bool assert__arg; [L2726] assert__arg = __tmp_16 [L2727] COND TRUE assert__arg == 0 [L2729] __VERIFIER_error() - UnprovableResult [Line: 1173]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L491] mode1 = 0 [L591] msg_t node2__m2; [L592] node2__m2 = nomsg [L593] COND TRUE !(mode2 == 0) [L595] node2__m2 = p1_old [L596] p1_old = nomsg [L597] COND TRUE ((int)node2__m2) != ((int)nomsg) [L599] COND FALSE !(((int)node2__m2) > ((int)id2)) [L606] COND TRUE ((int)node2__m2) == ((int)id2) [L608] st2 = 1 [L609] mode2 = 0 [L611] msg_t node3__m3; [L612] node3__m3 = nomsg [L613] COND TRUE !(mode3 == 0) [L615] node3__m3 = p2_old [L616] p2_old = nomsg [L617] COND TRUE ((int)node3__m3) != ((int)nomsg) [L619] COND FALSE !(((int)node3__m3) > ((int)id3)) [L626] COND TRUE ((int)node3__m3) == ((int)id3) [L628] st3 = 1 [L629] mode3 = 0 [L631] msg_t node4__m4; [L632] node4__m4 = nomsg [L633] COND TRUE !(mode4 == 0) [L635] node4__m4 = p3_old [L636] p3_old = nomsg [L637] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L683] mode4 = 0 [L1147] p1_old = p1_new [L1148] p1_new = nomsg [L1149] p2_old = p2_new [L1150] p2_new = nomsg [L1151] p3_old = p3_new [L1152] p3_new = nomsg [L1153] p4_old = p4_new [L1154] p4_new = nomsg [L1156] int check__tmp; [L1157] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1163] check__tmp = 0 [L1164] __return_2224 = check__tmp [L1165] main__c1 = __return_2224 [L1167] _Bool __tmp_5; [L1168] __tmp_5 = main__c1 [L1169] _Bool assert__arg; [L1170] assert__arg = __tmp_5 [L1171] COND TRUE assert__arg == 0 [L1173] __VERIFIER_error() - UnprovableResult [Line: 1690]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L491] mode1 = 0 [L591] msg_t node2__m2; [L592] node2__m2 = nomsg [L593] COND TRUE !(mode2 == 0) [L595] node2__m2 = p1_old [L596] p1_old = nomsg [L597] COND TRUE ((int)node2__m2) != ((int)nomsg) [L599] COND FALSE !(((int)node2__m2) > ((int)id2)) [L606] COND TRUE ((int)node2__m2) == ((int)id2) [L608] st2 = 1 [L609] mode2 = 0 [L611] msg_t node3__m3; [L612] node3__m3 = nomsg [L613] COND TRUE !(mode3 == 0) [L615] node3__m3 = p2_old [L616] p2_old = nomsg [L617] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L704] mode3 = 0 [L1645] msg_t node4__m4; [L1646] node4__m4 = nomsg [L1647] COND TRUE !(mode4 == 0) [L1649] node4__m4 = p3_old [L1650] p3_old = nomsg [L1651] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1653] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1660] COND TRUE ((int)node4__m4) == ((int)id4) [L1662] st4 = 1 [L1663] mode4 = 0 [L1664] p1_old = p1_new [L1665] p1_new = nomsg [L1666] p2_old = p2_new [L1667] p2_new = nomsg [L1668] p3_old = p3_new [L1669] p3_new = nomsg [L1670] p4_old = p4_new [L1671] p4_new = nomsg [L1673] int check__tmp; [L1674] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1680] check__tmp = 0 [L1681] __return_1998 = check__tmp [L1682] main__c1 = __return_1998 [L1684] _Bool __tmp_8; [L1685] __tmp_8 = main__c1 [L1686] _Bool assert__arg; [L1687] assert__arg = __tmp_8 [L1688] COND TRUE assert__arg == 0 [L1690] __VERIFIER_error() - UnprovableResult [Line: 3983]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2413] msg_t node3__m3; [L2414] node3__m3 = nomsg [L2415] COND TRUE !(mode3 == 0) [L2417] node3__m3 = p2_old [L2418] p2_old = nomsg [L2419] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L2521] mode3 = 0 [L3447] msg_t node4__m4; [L3448] node4__m4 = nomsg [L3449] COND TRUE !(mode4 == 0) [L3451] node4__m4 = p3_old [L3452] p3_old = nomsg [L3453] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L3514] mode4 = 0 [L3949] p1_old = p1_new [L3950] p1_new = nomsg [L3951] p2_old = p2_new [L3952] p2_new = nomsg [L3953] p3_old = p3_new [L3954] p3_new = nomsg [L3955] p4_old = p4_new [L3956] p4_new = nomsg [L3958] int check__tmp; [L3959] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L3961] COND FALSE !(((int)r1) >= 4) [L3967] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L3973] check__tmp = 0 [L3974] __return_1048 = check__tmp [L3975] main__c1 = __return_1048 [L3977] _Bool __tmp_26; [L3978] __tmp_26 = main__c1 [L3979] _Bool assert__arg; [L3980] assert__arg = __tmp_26 [L3981] COND TRUE assert__arg == 0 [L3983] __VERIFIER_error() - UnprovableResult [Line: 3732]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L491] mode1 = 0 [L591] msg_t node2__m2; [L592] node2__m2 = nomsg [L593] COND TRUE !(mode2 == 0) [L595] node2__m2 = p1_old [L596] p1_old = nomsg [L597] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L725] mode2 = 0 [L2664] msg_t node3__m3; [L2665] node3__m3 = nomsg [L2666] COND TRUE !(mode3 == 0) [L2668] node3__m3 = p2_old [L2669] p2_old = nomsg [L2670] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L2771] mode3 = 0 [L3679] msg_t node4__m4; [L3680] node4__m4 = nomsg [L3681] COND TRUE !(mode4 == 0) [L3683] node4__m4 = p3_old [L3684] p3_old = nomsg [L3685] COND TRUE ((int)node4__m4) != ((int)nomsg) [L3687] COND FALSE !(((int)node4__m4) > ((int)id4)) [L3694] COND TRUE ((int)node4__m4) == ((int)id4) [L3696] st4 = 1 [L3697] mode4 = 0 [L3698] p1_old = p1_new [L3699] p1_new = nomsg [L3700] p2_old = p2_new [L3701] p2_new = nomsg [L3702] p3_old = p3_new [L3703] p3_new = nomsg [L3704] p4_old = p4_new [L3705] p4_new = nomsg [L3707] int check__tmp; [L3708] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L3710] COND FALSE !(((int)r1) >= 4) [L3716] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L3722] check__tmp = 0 [L3723] __return_1141 = check__tmp [L3724] main__c1 = __return_1141 [L3726] _Bool __tmp_24; [L3727] __tmp_24 = main__c1 [L3728] _Bool assert__arg; [L3729] assert__arg = __tmp_24 [L3730] COND TRUE assert__arg == 0 [L3732] __VERIFIER_error() - UnprovableResult [Line: 3224]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L491] mode1 = 0 [L591] msg_t node2__m2; [L592] node2__m2 = nomsg [L593] COND TRUE !(mode2 == 0) [L595] node2__m2 = p1_old [L596] p1_old = nomsg [L597] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L725] mode2 = 0 [L2664] msg_t node3__m3; [L2665] node3__m3 = nomsg [L2666] COND TRUE !(mode3 == 0) [L2668] node3__m3 = p2_old [L2669] p2_old = nomsg [L2670] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2672] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2679] COND TRUE ((int)node3__m3) == ((int)id3) [L2681] st3 = 1 [L2682] mode3 = 0 [L2684] msg_t node4__m4; [L2685] node4__m4 = nomsg [L2686] COND TRUE !(mode4 == 0) [L2688] node4__m4 = p3_old [L2689] p3_old = nomsg [L2690] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L2750] mode4 = 0 [L3190] p1_old = p1_new [L3191] p1_new = nomsg [L3192] p2_old = p2_new [L3193] p2_new = nomsg [L3194] p3_old = p3_new [L3195] p3_new = nomsg [L3196] p4_old = p4_new [L3197] p4_new = nomsg [L3199] int check__tmp; [L3200] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L3202] COND FALSE !(((int)r1) >= 4) [L3208] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L3214] check__tmp = 0 [L3215] __return_1344 = check__tmp [L3216] main__c1 = __return_1344 [L3218] _Bool __tmp_20; [L3219] __tmp_20 = main__c1 [L3220] _Bool assert__arg; [L3221] assert__arg = __tmp_20 [L3222] COND TRUE assert__arg == 0 [L3224] __VERIFIER_error() - UnprovableResult [Line: 2185]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L491] mode1 = 0 [L591] msg_t node2__m2; [L592] node2__m2 = nomsg [L593] COND TRUE !(mode2 == 0) [L595] node2__m2 = p1_old [L596] p1_old = nomsg [L597] COND TRUE ((int)node2__m2) != ((int)nomsg) [L599] COND FALSE !(((int)node2__m2) > ((int)id2)) [L606] COND TRUE ((int)node2__m2) == ((int)id2) [L608] st2 = 1 [L609] mode2 = 0 [L611] msg_t node3__m3; [L612] node3__m3 = nomsg [L613] COND TRUE !(mode3 == 0) [L615] node3__m3 = p2_old [L616] p2_old = nomsg [L617] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L704] mode3 = 0 [L1645] msg_t node4__m4; [L1646] node4__m4 = nomsg [L1647] COND TRUE !(mode4 == 0) [L1649] node4__m4 = p3_old [L1650] p3_old = nomsg [L1651] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1711] mode4 = 0 [L2151] p1_old = p1_new [L2152] p1_new = nomsg [L2153] p2_old = p2_new [L2154] p2_new = nomsg [L2155] p3_old = p3_new [L2156] p3_new = nomsg [L2157] p4_old = p4_new [L2158] p4_new = nomsg [L2160] int check__tmp; [L2161] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L2163] COND FALSE !(((int)r1) >= 4) [L2169] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L2175] check__tmp = 0 [L2176] __return_1784 = check__tmp [L2177] main__c1 = __return_1784 [L2179] _Bool __tmp_12; [L2180] __tmp_12 = main__c1 [L2181] _Bool assert__arg; [L2182] assert__arg = __tmp_12 [L2183] COND TRUE assert__arg == 0 [L2185] __VERIFIER_error() - UnprovableResult [Line: 2479]: 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] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_121; [L51] int __return_801; [L52] int __return_2624; [L53] int __return_787; [L54] int __return_2467; [L55] int __return_773; [L56] int __return_2348; [L57] int __return_759; [L58] int __return_2224; [L59] int __return_745; [L60] int __return_2122; [L61] int __return_731; [L62] int __return_1998; [L63] int __return_717; [L64] int __return_1891; [L65] int __return_703; [L66] int __return_1784; [L67] int __return_689; [L68] int __return_1688; [L69] int __return_675; [L70] int __return_1561; [L71] int __return_661; [L72] int __return_1451; [L73] int __return_647; [L74] int __return_1344; [L75] int __return_633; [L76] int __return_1248; [L77] int __return_619; [L78] int __return_1141; [L79] int __return_605; [L80] int __return_1048; [L81] int __return_591; [L82] int __return_955; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_121 = init__tmp [L155] main__i2 = __return_121 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2413] msg_t node3__m3; [L2414] node3__m3 = nomsg [L2415] COND TRUE !(mode3 == 0) [L2417] node3__m3 = p2_old [L2418] p2_old = nomsg [L2419] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2421] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2428] COND TRUE ((int)node3__m3) == ((int)id3) [L2430] st3 = 1 [L2431] mode3 = 0 [L2433] msg_t node4__m4; [L2434] node4__m4 = nomsg [L2435] COND TRUE !(mode4 == 0) [L2437] node4__m4 = p3_old [L2438] p3_old = nomsg [L2439] COND TRUE ((int)node4__m4) != ((int)nomsg) [L2441] COND FALSE !(((int)node4__m4) > ((int)id4)) [L2448] COND TRUE ((int)node4__m4) == ((int)id4) [L2450] st4 = 1 [L2451] mode4 = 0 [L2452] p1_old = p1_new [L2453] p1_new = nomsg [L2454] p2_old = p2_new [L2455] p2_new = nomsg [L2456] p3_old = p3_new [L2457] p3_new = nomsg [L2458] p4_old = p4_new [L2459] p4_new = nomsg [L2461] int check__tmp; [L2462] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2468] check__tmp = 0 [L2469] __return_1688 = check__tmp [L2470] main__c1 = __return_1688 [L2473] _Bool __tmp_14; [L2474] __tmp_14 = main__c1 [L2475] _Bool assert__arg; [L2476] assert__arg = __tmp_14 [L2477] COND TRUE assert__arg == 0 [L2479] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...