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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:18:59,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:18:59,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:18:59,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:18:59,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:18:59,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:18:59,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:18:59,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:18:59,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:18:59,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:18:59,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:18:59,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:18:59,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:18:59,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:18:59,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:18:59,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:18:59,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:18:59,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:18:59,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:18:59,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:18:59,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:18:59,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:18:59,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:18:59,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:18:59,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:18:59,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:18:59,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:18:59,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:18:59,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:18:59,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:18:59,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:18:59,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:18:59,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:18:59,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:18:59,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:18:59,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:18:59,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:18:59,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:18:59,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:18:59,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:18:59,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:18:59,457 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 17:18:59,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:18:59,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:18:59,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:18:59,472 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:18:59,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:18:59,473 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:18:59,473 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:18:59,474 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:18:59,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:18:59,474 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:18:59,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:18:59,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:18:59,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:18:59,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:18:59,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:18:59,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:18:59,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:18:59,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:18:59,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:18:59,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:18:59,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:18:59,478 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:18:59,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:18:59,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:18:59,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:18:59,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:18:59,479 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:18:59,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:18:59,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:18:59,480 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:18:59,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:18:59,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:18:59,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:18:59,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:18:59,538 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:18:59,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:18:59,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a93e4bbb/fb89e13441784eb697a14e206dae86cd/FLAGba48b2fa5 [2019-09-11 17:19:00,222 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:19:00,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:19:00,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a93e4bbb/fb89e13441784eb697a14e206dae86cd/FLAGba48b2fa5 [2019-09-11 17:19:00,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a93e4bbb/fb89e13441784eb697a14e206dae86cd [2019-09-11 17:19:00,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:19:00,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:19:00,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:19:00,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:19:00,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:19:00,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:19:00" (1/1) ... [2019-09-11 17:19:00,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f6533f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:00, skipping insertion in model container [2019-09-11 17:19:00,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:19:00" (1/1) ... [2019-09-11 17:19:00,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:19:00,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:19:01,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:19:01,308 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:19:01,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:19:01,784 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:19:01,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01 WrapperNode [2019-09-11 17:19:01,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:19:01,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:19:01,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:19:01,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:19:01,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (1/1) ... [2019-09-11 17:19:01,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:19:01,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:19:01,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:19:01,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:19:01,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:01" (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 17:19:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:19:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:19:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:19:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:19:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:19:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:19:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:19:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:19:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:19:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:19:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:19:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:19:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:19:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:19:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:19:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:19:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:19:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:19:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:19:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:19:03,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:19:03,950 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:19:03,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:19:03 BoogieIcfgContainer [2019-09-11 17:19:03,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:19:03,954 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:19:03,954 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:19:03,954 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:19:03,956 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:19:03" (1/1) ... [2019-09-11 17:19:04,010 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:19:04,303 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:19:08,620 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:19:08,807 INFO L272 AbstractInterpreter]: Visited 420 different actions 3432 times. Merged at 237 different actions 1913 times. Widened at 45 different actions 307 times. Performed 11745 root evaluator evaluations with a maximum evaluation depth of 6. Performed 11745 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 730 fixpoints after 122 different actions. Largest state had 302 variables. [2019-09-11 17:19:08,807 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:19:08,810 INFO L168 Benchmark]: Toolchain (without parser) took 8278.34 ms. Allocated memory was 142.6 MB in the beginning and 380.1 MB in the end (delta: 237.5 MB). Free memory was 86.5 MB in the beginning and 316.0 MB in the end (delta: -229.5 MB). Peak memory consumption was 266.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:08,811 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 142.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:19:08,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.24 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 153.3 MB in the end (delta: -67.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:08,813 INFO L168 Benchmark]: Boogie Preprocessor took 165.68 ms. Allocated memory is still 202.4 MB. Free memory was 153.3 MB in the beginning and 147.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:08,814 INFO L168 Benchmark]: RCFGBuilder took 1998.19 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 147.9 MB in the beginning and 116.3 MB in the end (delta: 31.5 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:08,816 INFO L168 Benchmark]: Abstract Interpretation took 4854.55 ms. Allocated memory was 232.8 MB in the beginning and 380.1 MB in the end (delta: 147.3 MB). Free memory was 116.3 MB in the beginning and 316.0 MB in the end (delta: -199.6 MB). Peak memory consumption was 206.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:08,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 142.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1253.24 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 153.3 MB in the end (delta: -67.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.68 ms. Allocated memory is still 202.4 MB. Free memory was 153.3 MB in the beginning and 147.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1998.19 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 147.9 MB in the beginning and 116.3 MB in the end (delta: 31.5 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 4854.55 ms. Allocated memory was 232.8 MB in the beginning and 380.1 MB in the end (delta: 147.3 MB). Free memory was 116.3 MB in the beginning and 316.0 MB in the end (delta: -199.6 MB). Peak memory consumption was 206.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 900]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1764] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1226] mode2 = 0 [L310] msg_t node3__m3; [L311] node3__m3 = nomsg [L312] COND TRUE !(mode3 == 0) [L314] node3__m3 = p2_old [L315] p2_old = nomsg [L316] COND TRUE ((int)node3__m3) != ((int)nomsg) [L318] COND FALSE !(((int)node3__m3) > ((int)id3)) [L798] COND TRUE ((int)node3__m3) == ((int)id3) [L800] st3 = 1 [L801] mode3 = 0 [L803] msg_t node4__m4; [L804] node4__m4 = nomsg [L805] COND TRUE !(mode4 == 0) [L807] node4__m4 = p3_old [L808] p3_old = nomsg [L809] COND TRUE ((int)node4__m4) != ((int)nomsg) [L811] COND FALSE !(((int)node4__m4) > ((int)id4)) [L870] COND TRUE ((int)node4__m4) == ((int)id4) [L872] st4 = 1 [L873] mode4 = 0 [L874] p1_old = p1_new [L875] p1_new = nomsg [L876] p2_old = p2_new [L877] p2_new = nomsg [L878] p3_old = p3_new [L879] p3_new = nomsg [L880] p4_old = p4_new [L881] p4_new = nomsg [L883] int check__tmp; [L884] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L890] check__tmp = 0 [L891] __return_3767 = check__tmp [L892] main__c1 = __return_3767 [L894] _Bool __tmp_6; [L895] __tmp_6 = main__c1 [L896] _Bool assert__arg; [L897] assert__arg = __tmp_6 [L898] COND TRUE assert__arg == 0 [L900] __VERIFIER_error() - UnprovableResult [Line: 1142]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1764] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L949] COND TRUE ((int)node2__m2) == ((int)id2) [L951] st2 = 1 [L952] mode2 = 0 [L954] msg_t node3__m3; [L955] node3__m3 = nomsg [L956] COND TRUE !(mode3 == 0) [L958] node3__m3 = p2_old [L959] p2_old = nomsg [L960] COND TRUE ((int)node3__m3) != ((int)nomsg) [L962] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1097] COND TRUE ((int)node3__m3) == ((int)id3) [L1099] st3 = 1 [L1100] mode3 = 0 [L1102] msg_t node4__m4; [L1103] node4__m4 = nomsg [L1104] COND TRUE !(mode4 == 0) [L1106] node4__m4 = p3_old [L1107] p3_old = nomsg [L1108] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1190] mode4 = 0 [L1116] p1_old = p1_new [L1117] p1_new = nomsg [L1118] p2_old = p2_new [L1119] p2_new = nomsg [L1120] p3_old = p3_new [L1121] p3_new = nomsg [L1122] p4_old = p4_new [L1123] p4_new = nomsg [L1125] int check__tmp; [L1126] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1132] check__tmp = 0 [L1133] __return_4324 = check__tmp [L1134] main__c1 = __return_4324 [L1136] _Bool __tmp_9; [L1137] __tmp_9 = main__c1 [L1138] _Bool assert__arg; [L1139] assert__arg = __tmp_9 [L1140] COND TRUE assert__arg == 0 [L1142] __VERIFIER_error() - UnprovableResult [Line: 1066]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1764] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L949] COND TRUE ((int)node2__m2) == ((int)id2) [L951] st2 = 1 [L952] mode2 = 0 [L954] msg_t node3__m3; [L955] node3__m3 = nomsg [L956] COND TRUE !(mode3 == 0) [L958] node3__m3 = p2_old [L959] p2_old = nomsg [L960] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1208] mode3 = 0 [L969] msg_t node4__m4; [L970] node4__m4 = nomsg [L971] COND TRUE !(mode4 == 0) [L973] node4__m4 = p3_old [L974] p3_old = nomsg [L975] COND TRUE ((int)node4__m4) != ((int)nomsg) [L977] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1036] COND TRUE ((int)node4__m4) == ((int)id4) [L1038] st4 = 1 [L1039] mode4 = 0 [L1040] p1_old = p1_new [L1041] p1_new = nomsg [L1042] p2_old = p2_new [L1043] p2_new = nomsg [L1044] p3_old = p3_new [L1045] p3_new = nomsg [L1046] p4_old = p4_new [L1047] p4_new = nomsg [L1049] int check__tmp; [L1050] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1056] check__tmp = 0 [L1057] __return_4150 = check__tmp [L1058] main__c1 = __return_4150 [L1060] _Bool __tmp_8; [L1061] __tmp_8 = main__c1 [L1062] _Bool assert__arg; [L1063] assert__arg = __tmp_8 [L1064] COND TRUE assert__arg == 0 [L1066] __VERIFIER_error() - UnprovableResult [Line: 1370]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1238] COND TRUE ((int)node1__m1) == ((int)id1) [L1240] st1 = 1 [L1241] mode1 = 0 [L1243] msg_t node2__m2; [L1244] node2__m2 = nomsg [L1245] COND TRUE !(mode2 == 0) [L1247] node2__m2 = p1_old [L1248] p1_old = nomsg [L1249] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1746] mode2 = 0 [L1258] msg_t node3__m3; [L1259] node3__m3 = nomsg [L1260] COND TRUE !(mode3 == 0) [L1262] node3__m3 = p2_old [L1263] p2_old = nomsg [L1264] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1512] mode3 = 0 [L1273] msg_t node4__m4; [L1274] node4__m4 = nomsg [L1275] COND TRUE !(mode4 == 0) [L1277] node4__m4 = p3_old [L1278] p3_old = nomsg [L1279] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1281] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1340] COND TRUE ((int)node4__m4) == ((int)id4) [L1342] st4 = 1 [L1343] mode4 = 0 [L1344] p1_old = p1_new [L1345] p1_new = nomsg [L1346] p2_old = p2_new [L1347] p2_new = nomsg [L1348] p3_old = p3_new [L1349] p3_new = nomsg [L1350] p4_old = p4_new [L1351] p4_new = nomsg [L1353] int check__tmp; [L1354] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1360] check__tmp = 0 [L1361] __return_3484 = check__tmp [L1362] main__c1 = __return_3484 [L1364] _Bool __tmp_11; [L1365] __tmp_11 = main__c1 [L1366] _Bool assert__arg; [L1367] assert__arg = __tmp_11 [L1368] COND TRUE assert__arg == 0 [L1370] __VERIFIER_error() - UnprovableResult [Line: 1446]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1238] COND TRUE ((int)node1__m1) == ((int)id1) [L1240] st1 = 1 [L1241] mode1 = 0 [L1243] msg_t node2__m2; [L1244] node2__m2 = nomsg [L1245] COND TRUE !(mode2 == 0) [L1247] node2__m2 = p1_old [L1248] p1_old = nomsg [L1249] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1746] mode2 = 0 [L1258] msg_t node3__m3; [L1259] node3__m3 = nomsg [L1260] COND TRUE !(mode3 == 0) [L1262] node3__m3 = p2_old [L1263] p2_old = nomsg [L1264] COND TRUE ((int)node3__m3) != ((int)nomsg) [L1266] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1401] COND TRUE ((int)node3__m3) == ((int)id3) [L1403] st3 = 1 [L1404] mode3 = 0 [L1406] msg_t node4__m4; [L1407] node4__m4 = nomsg [L1408] COND TRUE !(mode4 == 0) [L1410] node4__m4 = p3_old [L1411] p3_old = nomsg [L1412] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1494] mode4 = 0 [L1420] p1_old = p1_new [L1421] p1_new = nomsg [L1422] p2_old = p2_new [L1423] p2_new = nomsg [L1424] p3_old = p3_new [L1425] p3_new = nomsg [L1426] p4_old = p4_new [L1427] p4_new = nomsg [L1429] int check__tmp; [L1430] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1436] check__tmp = 0 [L1437] __return_3681 = check__tmp [L1438] main__c1 = __return_3681 [L1440] _Bool __tmp_12; [L1441] __tmp_12 = main__c1 [L1442] _Bool assert__arg; [L1443] assert__arg = __tmp_12 [L1444] COND TRUE assert__arg == 0 [L1446] __VERIFIER_error() - UnprovableResult [Line: 1584]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1238] COND TRUE ((int)node1__m1) == ((int)id1) [L1240] st1 = 1 [L1241] mode1 = 0 [L1243] msg_t node2__m2; [L1244] node2__m2 = nomsg [L1245] COND TRUE !(mode2 == 0) [L1247] node2__m2 = p1_old [L1248] p1_old = nomsg [L1249] COND TRUE ((int)node2__m2) != ((int)nomsg) [L1251] COND FALSE !(((int)node2__m2) > ((int)id2)) [L1524] COND TRUE ((int)node2__m2) == ((int)id2) [L1526] st2 = 1 [L1527] mode2 = 0 [L1529] msg_t node3__m3; [L1530] node3__m3 = nomsg [L1531] COND TRUE !(mode3 == 0) [L1533] node3__m3 = p2_old [L1534] p2_old = nomsg [L1535] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1728] mode3 = 0 [L1544] msg_t node4__m4; [L1545] node4__m4 = nomsg [L1546] COND TRUE !(mode4 == 0) [L1548] node4__m4 = p3_old [L1549] p3_old = nomsg [L1550] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1632] mode4 = 0 [L1558] p1_old = p1_new [L1559] p1_new = nomsg [L1560] p2_old = p2_new [L1561] p2_new = nomsg [L1562] p3_old = p3_new [L1563] p3_new = nomsg [L1564] p4_old = p4_new [L1565] p4_new = nomsg [L1567] int check__tmp; [L1568] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1574] check__tmp = 0 [L1575] __return_4066 = check__tmp [L1576] main__c1 = __return_4066 [L1578] _Bool __tmp_13; [L1579] __tmp_13 = main__c1 [L1580] _Bool assert__arg; [L1581] assert__arg = __tmp_13 [L1582] COND TRUE assert__arg == 0 [L1584] __VERIFIER_error() - UnprovableResult [Line: 851]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1764] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1226] mode2 = 0 [L310] msg_t node3__m3; [L311] node3__m3 = nomsg [L312] COND TRUE !(mode3 == 0) [L314] node3__m3 = p2_old [L315] p2_old = nomsg [L316] COND TRUE ((int)node3__m3) != ((int)nomsg) [L318] COND FALSE !(((int)node3__m3) > ((int)id3)) [L798] COND TRUE ((int)node3__m3) == ((int)id3) [L800] st3 = 1 [L801] mode3 = 0 [L803] msg_t node4__m4; [L804] node4__m4 = nomsg [L805] COND TRUE !(mode4 == 0) [L807] node4__m4 = p3_old [L808] p3_old = nomsg [L809] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L919] mode4 = 0 [L817] p1_old = p1_new [L818] p1_new = nomsg [L819] p2_old = p2_new [L820] p2_new = nomsg [L821] p3_old = p3_new [L822] p3_new = nomsg [L823] p4_old = p4_new [L824] p4_new = nomsg [L826] int check__tmp; [L827] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L829] COND FALSE !(((int)r1) >= 4) [L835] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L841] check__tmp = 0 [L842] __return_3599 = check__tmp [L843] main__c1 = __return_3599 [L845] _Bool __tmp_5; [L846] __tmp_5 = main__c1 [L847] _Bool assert__arg; [L848] assert__arg = __tmp_5 [L849] COND TRUE assert__arg == 0 [L851] __VERIFIER_error() - UnprovableResult [Line: 761]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1764] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1226] mode2 = 0 [L310] msg_t node3__m3; [L311] node3__m3 = nomsg [L312] COND TRUE !(mode3 == 0) [L314] node3__m3 = p2_old [L315] p2_old = nomsg [L316] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L937] mode3 = 0 [L325] msg_t node4__m4; [L326] node4__m4 = nomsg [L327] COND TRUE !(mode4 == 0) [L329] node4__m4 = p3_old [L330] p3_old = nomsg [L331] COND TRUE ((int)node4__m4) != ((int)nomsg) [L333] COND FALSE !(((int)node4__m4) > ((int)id4)) [L723] COND TRUE ((int)node4__m4) == ((int)id4) [L725] st4 = 1 [L726] mode4 = 0 [L727] p1_old = p1_new [L728] p1_new = nomsg [L729] p2_old = p2_new [L730] p2_new = nomsg [L731] p3_old = p3_new [L732] p3_new = nomsg [L733] p4_old = p4_new [L734] p4_new = nomsg [L736] int check__tmp; [L737] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L739] COND FALSE !(((int)r1) >= 4) [L745] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L751] check__tmp = 0 [L752] __return_3414 = check__tmp [L753] main__c1 = __return_3414 [L755] _Bool __tmp_4; [L756] __tmp_4 = main__c1 [L757] _Bool assert__arg; [L758] assert__arg = __tmp_4 [L759] COND TRUE assert__arg == 0 [L761] __VERIFIER_error() - UnprovableResult [Line: 1017]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1764] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L949] COND TRUE ((int)node2__m2) == ((int)id2) [L951] st2 = 1 [L952] mode2 = 0 [L954] msg_t node3__m3; [L955] node3__m3 = nomsg [L956] COND TRUE !(mode3 == 0) [L958] node3__m3 = p2_old [L959] p2_old = nomsg [L960] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1208] mode3 = 0 [L969] msg_t node4__m4; [L970] node4__m4 = nomsg [L971] COND TRUE !(mode4 == 0) [L973] node4__m4 = p3_old [L974] p3_old = nomsg [L975] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1085] mode4 = 0 [L983] p1_old = p1_new [L984] p1_new = nomsg [L985] p2_old = p2_new [L986] p2_new = nomsg [L987] p3_old = p3_new [L988] p3_new = nomsg [L989] p4_old = p4_new [L990] p4_new = nomsg [L992] int check__tmp; [L993] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L995] COND FALSE !(((int)r1) >= 4) [L1001] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L1007] check__tmp = 0 [L1008] __return_3972 = check__tmp [L1009] main__c1 = __return_3972 [L1011] _Bool __tmp_7; [L1012] __tmp_7 = main__c1 [L1013] _Bool assert__arg; [L1014] assert__arg = __tmp_7 [L1015] COND TRUE assert__arg == 0 [L1017] __VERIFIER_error() - UnprovableResult [Line: 1321]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1238] COND TRUE ((int)node1__m1) == ((int)id1) [L1240] st1 = 1 [L1241] mode1 = 0 [L1243] msg_t node2__m2; [L1244] node2__m2 = nomsg [L1245] COND TRUE !(mode2 == 0) [L1247] node2__m2 = p1_old [L1248] p1_old = nomsg [L1249] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1746] mode2 = 0 [L1258] msg_t node3__m3; [L1259] node3__m3 = nomsg [L1260] COND TRUE !(mode3 == 0) [L1262] node3__m3 = p2_old [L1263] p2_old = nomsg [L1264] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1512] mode3 = 0 [L1273] msg_t node4__m4; [L1274] node4__m4 = nomsg [L1275] COND TRUE !(mode4 == 0) [L1277] node4__m4 = p3_old [L1278] p3_old = nomsg [L1279] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1389] mode4 = 0 [L1287] p1_old = p1_new [L1288] p1_new = nomsg [L1289] p2_old = p2_new [L1290] p2_new = nomsg [L1291] p3_old = p3_new [L1292] p3_new = nomsg [L1293] p4_old = p4_new [L1294] p4_new = nomsg [L1296] int check__tmp; [L1297] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1299] COND FALSE !(((int)r1) >= 4) [L1305] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L1311] check__tmp = 0 [L1312] __return_3327 = check__tmp [L1313] main__c1 = __return_3327 [L1315] _Bool __tmp_10; [L1316] __tmp_10 = main__c1 [L1317] _Bool assert__arg; [L1318] assert__arg = __tmp_10 [L1319] COND TRUE assert__arg == 0 [L1321] __VERIFIER_error() - UnprovableResult [Line: 473]: 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_2895; [L51] int __return_4513; [L52] int __return_3065; [L53] int __return_3148; [L54] int __return_3414; [L55] int __return_3599; [L56] int __return_3767; [L57] int __return_3972; [L58] int __return_4150; [L59] int __return_4324; [L60] int __return_4484; [L61] int __return_3327; [L62] int __return_3484; [L63] int __return_3681; [L64] int __return_3839; [L65] int __return_4066; [L66] int __return_4220; [L67] int __return_4406; [L68] int __return_4449; [L69] int __return_4359; [L70] int __return_4277; [L71] int __return_4185; [L72] int __return_4115; [L73] int __return_4007; [L74] int __return_3910; [L75] int __return_3804; [L76] int __return_3732; [L77] int __return_3634; [L78] int __return_3549; [L79] int __return_3449; [L80] int __return_3376; [L81] int __return_3253; [L82] int __return_2986; [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_2895 = init__tmp [L155] main__i2 = __return_2895 [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_4513 = check__tmp [L259] main__c1 = __return_4513 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1764] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L949] COND TRUE ((int)node2__m2) == ((int)id2) [L951] st2 = 1 [L952] mode2 = 0 [L954] msg_t node3__m3; [L955] node3__m3 = nomsg [L956] COND TRUE !(mode3 == 0) [L958] node3__m3 = p2_old [L959] p2_old = nomsg [L960] COND TRUE ((int)node3__m3) != ((int)nomsg) [L962] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1097] COND TRUE ((int)node3__m3) == ((int)id3) [L1099] st3 = 1 [L1100] mode3 = 0 [L1102] msg_t node4__m4; [L1103] node4__m4 = nomsg [L1104] COND TRUE !(mode4 == 0) [L1106] node4__m4 = p3_old [L1107] p3_old = nomsg [L1108] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1110] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1155] COND TRUE ((int)node4__m4) == ((int)id4) [L1157] st4 = 1 [L1158] mode4 = 0 [L1159] p1_old = p1_new [L1160] p1_new = nomsg [L1161] p2_old = p2_new [L1162] p2_new = nomsg [L1163] p3_old = p3_new [L1164] p3_new = nomsg [L1165] p4_old = p4_new [L1166] p4_new = nomsg [L1168] int check__tmp; [L1169] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1175] check__tmp = 0 [L1176] __return_4484 = check__tmp [L1177] main__c1 = __return_4484 [L467] _Bool __tmp_3; [L468] __tmp_3 = main__c1 [L469] _Bool assert__arg; [L470] assert__arg = __tmp_3 [L471] COND TRUE assert__arg == 0 [L473] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...