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_floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:12:23,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:12:23,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:12:23,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:12:23,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:12:23,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:12:23,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:12:23,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:12:23,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:12:23,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:12:23,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:12:23,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:12:23,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:12:23,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:12:23,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:12:23,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:12:23,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:12:23,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:12:23,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:12:23,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:12:23,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:12:23,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:12:23,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:12:23,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:12:23,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:12:23,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:12:23,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:12:23,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:12:23,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:12:23,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:12:23,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:12:23,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:12:23,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:12:23,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:12:23,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:12:23,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:12:23,560 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 17:12:23,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:12:23,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:12:23,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:12:23,576 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:12:23,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:12:23,577 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:12:23,578 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:12:23,578 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:12:23,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:12:23,579 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:12:23,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:12:23,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:12:23,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:12:23,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:12:23,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:12:23,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:12:23,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:12:23,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:12:23,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:12:23,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:12:23,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:12:23,583 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:12:23,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:12:23,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:12:23,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:12:23,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:12:23,585 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:12:23,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:12:23,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:12:23,585 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:12:23,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:12:23,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:12:23,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:12:23,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:12:23,640 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:12:23,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:12:23,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa167c79/9049a7509df944069717129c4af2575e/FLAGbd0f571e3 [2019-09-11 17:12:24,388 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:12:24,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:12:24,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa167c79/9049a7509df944069717129c4af2575e/FLAGbd0f571e3 [2019-09-11 17:12:24,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa167c79/9049a7509df944069717129c4af2575e [2019-09-11 17:12:24,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:12:24,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:12:24,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:12:24,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:12:24,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:12:24,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:12:24" (1/1) ... [2019-09-11 17:12:24,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcdf031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:24, skipping insertion in model container [2019-09-11 17:12:24,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:12:24" (1/1) ... [2019-09-11 17:12:24,604 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:12:24,762 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:12:26,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:12:26,056 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:12:26,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:12:26,896 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:12:26,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26 WrapperNode [2019-09-11 17:12:26,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:12:26,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:12:26,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:12:26,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:12:26,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (1/1) ... [2019-09-11 17:12:26,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (1/1) ... [2019-09-11 17:12:26,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (1/1) ... [2019-09-11 17:12:26,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (1/1) ... [2019-09-11 17:12:27,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (1/1) ... [2019-09-11 17:12:27,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (1/1) ... [2019-09-11 17:12:27,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (1/1) ... [2019-09-11 17:12:27,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:12:27,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:12:27,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:12:27,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:12:27,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:12:26" (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 17:12:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:12:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:12:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:12:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:12:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:12:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:12:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:12:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:12:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:12:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:12:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:12:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:12:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:12:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:12:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:12:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:12:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:12:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:12:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:12:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:12:30,301 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:12:30,302 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:12:30,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:12:30 BoogieIcfgContainer [2019-09-11 17:12:30,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:12:30,304 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:12:30,305 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:12:30,305 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:12:30,306 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:12:30" (1/1) ... [2019-09-11 17:12:30,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:12:30,658 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:13:18,817 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:13:19,307 INFO L272 AbstractInterpreter]: Visited 1634 different actions 71048 times. Merged at 1019 different actions 37750 times. Widened at 287 different actions 4419 times. Performed 271522 root evaluator evaluations with a maximum evaluation depth of 6. Performed 271522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 20255 fixpoints after 716 different actions. Largest state had 422 variables. [2019-09-11 17:13:19,307 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:13:19,310 INFO L168 Benchmark]: Toolchain (without parser) took 54721.85 ms. Allocated memory was 133.2 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 83.8 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 890.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:13:19,311 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:13:19,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2309.70 ms. Allocated memory was 133.2 MB in the beginning and 219.2 MB in the end (delta: 86.0 MB). Free memory was 83.4 MB in the beginning and 148.7 MB in the end (delta: -65.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:13:19,313 INFO L168 Benchmark]: Boogie Preprocessor took 225.90 ms. Allocated memory is still 219.2 MB. Free memory was 148.7 MB in the beginning and 138.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:13:19,314 INFO L168 Benchmark]: RCFGBuilder took 3179.06 ms. Allocated memory was 219.2 MB in the beginning and 352.8 MB in the end (delta: 133.7 MB). Free memory was 138.5 MB in the beginning and 182.7 MB in the end (delta: -44.2 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:13:19,315 INFO L168 Benchmark]: Abstract Interpretation took 49003.14 ms. Allocated memory was 352.8 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 182.7 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 769.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:13:19,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2309.70 ms. Allocated memory was 133.2 MB in the beginning and 219.2 MB in the end (delta: 86.0 MB). Free memory was 83.4 MB in the beginning and 148.7 MB in the end (delta: -65.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 225.90 ms. Allocated memory is still 219.2 MB. Free memory was 148.7 MB in the beginning and 138.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3179.06 ms. Allocated memory was 219.2 MB in the beginning and 352.8 MB in the end (delta: 133.7 MB). Free memory was 138.5 MB in the beginning and 182.7 MB in the end (delta: -44.2 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 49003.14 ms. Allocated memory was 352.8 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 182.7 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 769.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 3926]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND FALSE !(((int)max1) == ((int)id1)) [L3705] nl1 = 1 [L3706] mode1 = 0 [L3708] COND TRUE !(mode2 == 0) [L3710] COND FALSE !(r2 == 255) [L3716] r2 = r2 + 1 [L3717] COND FALSE !(!(ep12 == 0)) [L3725] COND FALSE !(!(ep32 == 0)) [L3733] COND FALSE !(!(ep42 == 0)) [L3741] COND TRUE ((int)r2) == 3 [L3743] COND TRUE ((int)max2) == ((int)id2) [L3745] st2 = 1 [L3746] mode2 = 0 [L3748] COND TRUE !(mode3 == 0) [L3750] COND FALSE !(r3 == 255) [L3756] r3 = r3 + 1 [L3757] COND FALSE !(!(ep13 == 0)) [L3765] COND FALSE !(!(ep23 == 0)) [L3773] COND FALSE !(!(ep43 == 0)) [L3781] COND TRUE ((int)r3) == 3 [L3783] COND TRUE ((int)max3) == ((int)id3) [L3785] st3 = 1 [L3786] mode3 = 0 [L3788] COND TRUE !(mode4 == 0) [L3790] COND FALSE !(r4 == 255) [L3796] r4 = r4 + 1 [L3797] COND FALSE !(!(ep14 == 0)) [L3805] COND FALSE !(!(ep24 == 0)) [L3813] COND FALSE !(!(ep34 == 0)) [L3821] COND TRUE ((int)r4) == 3 [L3823] COND FALSE !(((int)max4) == ((int)id4)) [L3882] nl4 = 1 [L3883] mode4 = 0 [L3884] p12_old = p12_new [L3885] p12_new = nomsg [L3886] p13_old = p13_new [L3887] p13_new = nomsg [L3888] p14_old = p14_new [L3889] p14_new = nomsg [L3890] p21_old = p21_new [L3891] p21_new = nomsg [L3892] p23_old = p23_new [L3893] p23_new = nomsg [L3894] p24_old = p24_new [L3895] p24_new = nomsg [L3896] p31_old = p31_new [L3897] p31_new = nomsg [L3898] p32_old = p32_new [L3899] p32_new = nomsg [L3900] p34_old = p34_new [L3901] p34_new = nomsg [L3902] p41_old = p41_new [L3903] p41_new = nomsg [L3904] p42_old = p42_new [L3905] p42_new = nomsg [L3906] p43_old = p43_new [L3907] p43_new = nomsg [L3909] int check__tmp; [L3910] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L3916] check__tmp = 0 [L3917] __return_6276 = check__tmp [L3918] main__c1 = __return_6276 [L3920] _Bool __tmp_15; [L3921] __tmp_15 = main__c1 [L3922] _Bool assert__arg; [L3923] assert__arg = __tmp_15 [L3924] COND TRUE assert__arg == 0 [L3926] __VERIFIER_error() - UnprovableResult [Line: 3869]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND FALSE !(((int)max1) == ((int)id1)) [L3705] nl1 = 1 [L3706] mode1 = 0 [L3708] COND TRUE !(mode2 == 0) [L3710] COND FALSE !(r2 == 255) [L3716] r2 = r2 + 1 [L3717] COND FALSE !(!(ep12 == 0)) [L3725] COND FALSE !(!(ep32 == 0)) [L3733] COND FALSE !(!(ep42 == 0)) [L3741] COND TRUE ((int)r2) == 3 [L3743] COND TRUE ((int)max2) == ((int)id2) [L3745] st2 = 1 [L3746] mode2 = 0 [L3748] COND TRUE !(mode3 == 0) [L3750] COND FALSE !(r3 == 255) [L3756] r3 = r3 + 1 [L3757] COND FALSE !(!(ep13 == 0)) [L3765] COND FALSE !(!(ep23 == 0)) [L3773] COND FALSE !(!(ep43 == 0)) [L3781] COND TRUE ((int)r3) == 3 [L3783] COND TRUE ((int)max3) == ((int)id3) [L3785] st3 = 1 [L3786] mode3 = 0 [L3788] COND TRUE !(mode4 == 0) [L3790] COND FALSE !(r4 == 255) [L3796] r4 = r4 + 1 [L3797] COND FALSE !(!(ep14 == 0)) [L3805] COND FALSE !(!(ep24 == 0)) [L3813] COND FALSE !(!(ep34 == 0)) [L3821] COND TRUE ((int)r4) == 3 [L3823] COND TRUE ((int)max4) == ((int)id4) [L3825] st4 = 1 [L3826] mode4 = 0 [L3827] p12_old = p12_new [L3828] p12_new = nomsg [L3829] p13_old = p13_new [L3830] p13_new = nomsg [L3831] p14_old = p14_new [L3832] p14_new = nomsg [L3833] p21_old = p21_new [L3834] p21_new = nomsg [L3835] p23_old = p23_new [L3836] p23_new = nomsg [L3837] p24_old = p24_new [L3838] p24_new = nomsg [L3839] p31_old = p31_new [L3840] p31_new = nomsg [L3841] p32_old = p32_new [L3842] p32_new = nomsg [L3843] p34_old = p34_new [L3844] p34_new = nomsg [L3845] p41_old = p41_new [L3846] p41_new = nomsg [L3847] p42_old = p42_new [L3848] p42_new = nomsg [L3849] p43_old = p43_new [L3850] p43_new = nomsg [L3852] int check__tmp; [L3853] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L3859] check__tmp = 0 [L3860] __return_6319 = check__tmp [L3861] main__c1 = __return_6319 [L3863] _Bool __tmp_14; [L3864] __tmp_14 = main__c1 [L3865] _Bool assert__arg; [L3866] assert__arg = __tmp_14 [L3867] COND TRUE assert__arg == 0 [L3869] __VERIFIER_error() - UnprovableResult [Line: 4066]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND FALSE !(((int)max1) == ((int)id1)) [L3705] nl1 = 1 [L3706] mode1 = 0 [L3708] COND TRUE !(mode2 == 0) [L3710] COND FALSE !(r2 == 255) [L3716] r2 = r2 + 1 [L3717] COND FALSE !(!(ep12 == 0)) [L3725] COND FALSE !(!(ep32 == 0)) [L3733] COND FALSE !(!(ep42 == 0)) [L3741] COND TRUE ((int)r2) == 3 [L3743] COND TRUE ((int)max2) == ((int)id2) [L3745] st2 = 1 [L3746] mode2 = 0 [L3748] COND TRUE !(mode3 == 0) [L3750] COND FALSE !(r3 == 255) [L3756] r3 = r3 + 1 [L3757] COND FALSE !(!(ep13 == 0)) [L3765] COND FALSE !(!(ep23 == 0)) [L3773] COND FALSE !(!(ep43 == 0)) [L3781] COND TRUE ((int)r3) == 3 [L3783] COND FALSE !(((int)max3) == ((int)id3)) [L3982] nl3 = 1 [L3983] mode3 = 0 [L3985] COND TRUE !(mode4 == 0) [L3987] COND FALSE !(r4 == 255) [L3993] r4 = r4 + 1 [L3994] COND FALSE !(!(ep14 == 0)) [L4002] COND FALSE !(!(ep24 == 0)) [L4010] COND FALSE !(!(ep34 == 0)) [L4018] COND TRUE ((int)r4) == 3 [L4020] COND TRUE ((int)max4) == ((int)id4) [L4022] st4 = 1 [L4023] mode4 = 0 [L4024] p12_old = p12_new [L4025] p12_new = nomsg [L4026] p13_old = p13_new [L4027] p13_new = nomsg [L4028] p14_old = p14_new [L4029] p14_new = nomsg [L4030] p21_old = p21_new [L4031] p21_new = nomsg [L4032] p23_old = p23_new [L4033] p23_new = nomsg [L4034] p24_old = p24_new [L4035] p24_new = nomsg [L4036] p31_old = p31_new [L4037] p31_new = nomsg [L4038] p32_old = p32_new [L4039] p32_new = nomsg [L4040] p34_old = p34_new [L4041] p34_new = nomsg [L4042] p41_old = p41_new [L4043] p41_new = nomsg [L4044] p42_old = p42_new [L4045] p42_new = nomsg [L4046] p43_old = p43_new [L4047] p43_new = nomsg [L4049] int check__tmp; [L4050] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L4056] check__tmp = 0 [L4057] __return_6198 = check__tmp [L4058] main__c1 = __return_6198 [L4060] _Bool __tmp_16; [L4061] __tmp_16 = main__c1 [L4062] _Bool assert__arg; [L4063] assert__arg = __tmp_16 [L4064] COND TRUE assert__arg == 0 [L4066] __VERIFIER_error() - UnprovableResult [Line: 4415]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND FALSE !(((int)max1) == ((int)id1)) [L3705] nl1 = 1 [L3706] mode1 = 0 [L3708] COND TRUE !(mode2 == 0) [L3710] COND FALSE !(r2 == 255) [L3716] r2 = r2 + 1 [L3717] COND FALSE !(!(ep12 == 0)) [L3725] COND FALSE !(!(ep32 == 0)) [L3733] COND FALSE !(!(ep42 == 0)) [L3741] COND TRUE ((int)r2) == 3 [L3743] COND FALSE !(((int)max2) == ((int)id2)) [L4291] nl2 = 1 [L4292] mode2 = 0 [L4294] COND TRUE !(mode3 == 0) [L4296] COND FALSE !(r3 == 255) [L4302] r3 = r3 + 1 [L4303] COND FALSE !(!(ep13 == 0)) [L4311] COND FALSE !(!(ep23 == 0)) [L4319] COND FALSE !(!(ep43 == 0)) [L4327] COND TRUE ((int)r3) == 3 [L4329] COND TRUE ((int)max3) == ((int)id3) [L4331] st3 = 1 [L4332] mode3 = 0 [L4334] COND TRUE !(mode4 == 0) [L4336] COND FALSE !(r4 == 255) [L4342] r4 = r4 + 1 [L4343] COND FALSE !(!(ep14 == 0)) [L4351] COND FALSE !(!(ep24 == 0)) [L4359] COND FALSE !(!(ep34 == 0)) [L4367] COND TRUE ((int)r4) == 3 [L4369] COND TRUE ((int)max4) == ((int)id4) [L4371] st4 = 1 [L4372] mode4 = 0 [L4373] p12_old = p12_new [L4374] p12_new = nomsg [L4375] p13_old = p13_new [L4376] p13_new = nomsg [L4377] p14_old = p14_new [L4378] p14_new = nomsg [L4379] p21_old = p21_new [L4380] p21_new = nomsg [L4381] p23_old = p23_new [L4382] p23_new = nomsg [L4383] p24_old = p24_new [L4384] p24_new = nomsg [L4385] p31_old = p31_new [L4386] p31_new = nomsg [L4387] p32_old = p32_new [L4388] p32_new = nomsg [L4389] p34_old = p34_new [L4390] p34_new = nomsg [L4391] p41_old = p41_new [L4392] p41_new = nomsg [L4393] p42_old = p42_new [L4394] p42_new = nomsg [L4395] p43_old = p43_new [L4396] p43_new = nomsg [L4398] int check__tmp; [L4399] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L4405] check__tmp = 0 [L4406] __return_6019 = check__tmp [L4407] main__c1 = __return_6019 [L4409] _Bool __tmp_17; [L4410] __tmp_17 = main__c1 [L4411] _Bool assert__arg; [L4412] assert__arg = __tmp_17 [L4413] COND TRUE assert__arg == 0 [L4415] __VERIFIER_error() - UnprovableResult [Line: 1869]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND TRUE ((int)max1) == ((int)id1) [L1705] st1 = 1 [L1706] mode1 = 0 [L1708] COND TRUE !(mode2 == 0) [L1710] COND FALSE !(r2 == 255) [L1716] r2 = r2 + 1 [L1717] COND FALSE !(!(ep12 == 0)) [L1725] COND FALSE !(!(ep32 == 0)) [L1733] COND FALSE !(!(ep42 == 0)) [L1741] COND TRUE ((int)r2) == 3 [L1743] COND TRUE ((int)max2) == ((int)id2) [L1745] st2 = 1 [L1746] mode2 = 0 [L1748] COND TRUE !(mode3 == 0) [L1750] COND FALSE !(r3 == 255) [L1756] r3 = r3 + 1 [L1757] COND FALSE !(!(ep13 == 0)) [L1765] COND FALSE !(!(ep23 == 0)) [L1773] COND FALSE !(!(ep43 == 0)) [L1781] COND TRUE ((int)r3) == 3 [L1783] COND TRUE ((int)max3) == ((int)id3) [L1785] st3 = 1 [L1786] mode3 = 0 [L1788] COND TRUE !(mode4 == 0) [L1790] COND FALSE !(r4 == 255) [L1796] r4 = r4 + 1 [L1797] COND FALSE !(!(ep14 == 0)) [L1805] COND FALSE !(!(ep24 == 0)) [L1813] COND FALSE !(!(ep34 == 0)) [L1821] COND TRUE ((int)r4) == 3 [L1823] COND TRUE ((int)max4) == ((int)id4) [L1825] st4 = 1 [L1826] mode4 = 0 [L1827] p12_old = p12_new [L1828] p12_new = nomsg [L1829] p13_old = p13_new [L1830] p13_new = nomsg [L1831] p14_old = p14_new [L1832] p14_new = nomsg [L1833] p21_old = p21_new [L1834] p21_new = nomsg [L1835] p23_old = p23_new [L1836] p23_new = nomsg [L1837] p24_old = p24_new [L1838] p24_new = nomsg [L1839] p31_old = p31_new [L1840] p31_new = nomsg [L1841] p32_old = p32_new [L1842] p32_new = nomsg [L1843] p34_old = p34_new [L1844] p34_new = nomsg [L1845] p41_old = p41_new [L1846] p41_new = nomsg [L1847] p42_old = p42_new [L1848] p42_new = nomsg [L1849] p43_old = p43_new [L1850] p43_new = nomsg [L1852] int check__tmp; [L1853] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1859] check__tmp = 0 [L1860] __return_6931 = check__tmp [L1861] main__c1 = __return_6931 [L1863] _Bool __tmp_6; [L1864] __tmp_6 = main__c1 [L1865] _Bool assert__arg; [L1866] assert__arg = __tmp_6 [L1867] COND TRUE assert__arg == 0 [L1869] __VERIFIER_error() - UnprovableResult [Line: 1926]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND TRUE ((int)max1) == ((int)id1) [L1705] st1 = 1 [L1706] mode1 = 0 [L1708] COND TRUE !(mode2 == 0) [L1710] COND FALSE !(r2 == 255) [L1716] r2 = r2 + 1 [L1717] COND FALSE !(!(ep12 == 0)) [L1725] COND FALSE !(!(ep32 == 0)) [L1733] COND FALSE !(!(ep42 == 0)) [L1741] COND TRUE ((int)r2) == 3 [L1743] COND TRUE ((int)max2) == ((int)id2) [L1745] st2 = 1 [L1746] mode2 = 0 [L1748] COND TRUE !(mode3 == 0) [L1750] COND FALSE !(r3 == 255) [L1756] r3 = r3 + 1 [L1757] COND FALSE !(!(ep13 == 0)) [L1765] COND FALSE !(!(ep23 == 0)) [L1773] COND FALSE !(!(ep43 == 0)) [L1781] COND TRUE ((int)r3) == 3 [L1783] COND TRUE ((int)max3) == ((int)id3) [L1785] st3 = 1 [L1786] mode3 = 0 [L1788] COND TRUE !(mode4 == 0) [L1790] COND FALSE !(r4 == 255) [L1796] r4 = r4 + 1 [L1797] COND FALSE !(!(ep14 == 0)) [L1805] COND FALSE !(!(ep24 == 0)) [L1813] COND FALSE !(!(ep34 == 0)) [L1821] COND TRUE ((int)r4) == 3 [L1823] COND FALSE !(((int)max4) == ((int)id4)) [L1882] nl4 = 1 [L1883] mode4 = 0 [L1884] p12_old = p12_new [L1885] p12_new = nomsg [L1886] p13_old = p13_new [L1887] p13_new = nomsg [L1888] p14_old = p14_new [L1889] p14_new = nomsg [L1890] p21_old = p21_new [L1891] p21_new = nomsg [L1892] p23_old = p23_new [L1893] p23_new = nomsg [L1894] p24_old = p24_new [L1895] p24_new = nomsg [L1896] p31_old = p31_new [L1897] p31_new = nomsg [L1898] p32_old = p32_new [L1899] p32_new = nomsg [L1900] p34_old = p34_new [L1901] p34_new = nomsg [L1902] p41_old = p41_new [L1903] p41_new = nomsg [L1904] p42_old = p42_new [L1905] p42_new = nomsg [L1906] p43_old = p43_new [L1907] p43_new = nomsg [L1909] int check__tmp; [L1910] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1916] check__tmp = 0 [L1917] __return_6888 = check__tmp [L1918] main__c1 = __return_6888 [L1920] _Bool __tmp_7; [L1921] __tmp_7 = main__c1 [L1922] _Bool assert__arg; [L1923] assert__arg = __tmp_7 [L1924] COND TRUE assert__arg == 0 [L1926] __VERIFIER_error() - UnprovableResult [Line: 2123]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND TRUE ((int)max1) == ((int)id1) [L1705] st1 = 1 [L1706] mode1 = 0 [L1708] COND TRUE !(mode2 == 0) [L1710] COND FALSE !(r2 == 255) [L1716] r2 = r2 + 1 [L1717] COND FALSE !(!(ep12 == 0)) [L1725] COND FALSE !(!(ep32 == 0)) [L1733] COND FALSE !(!(ep42 == 0)) [L1741] COND TRUE ((int)r2) == 3 [L1743] COND TRUE ((int)max2) == ((int)id2) [L1745] st2 = 1 [L1746] mode2 = 0 [L1748] COND TRUE !(mode3 == 0) [L1750] COND FALSE !(r3 == 255) [L1756] r3 = r3 + 1 [L1757] COND FALSE !(!(ep13 == 0)) [L1765] COND FALSE !(!(ep23 == 0)) [L1773] COND FALSE !(!(ep43 == 0)) [L1781] COND TRUE ((int)r3) == 3 [L1783] COND FALSE !(((int)max3) == ((int)id3)) [L1982] nl3 = 1 [L1983] mode3 = 0 [L1985] COND TRUE !(mode4 == 0) [L1987] COND FALSE !(r4 == 255) [L1993] r4 = r4 + 1 [L1994] COND FALSE !(!(ep14 == 0)) [L2002] COND FALSE !(!(ep24 == 0)) [L2010] COND FALSE !(!(ep34 == 0)) [L2018] COND TRUE ((int)r4) == 3 [L2020] COND FALSE !(((int)max4) == ((int)id4)) [L2079] nl4 = 1 [L2080] mode4 = 0 [L2081] p12_old = p12_new [L2082] p12_new = nomsg [L2083] p13_old = p13_new [L2084] p13_new = nomsg [L2085] p14_old = p14_new [L2086] p14_new = nomsg [L2087] p21_old = p21_new [L2088] p21_new = nomsg [L2089] p23_old = p23_new [L2090] p23_new = nomsg [L2091] p24_old = p24_new [L2092] p24_new = nomsg [L2093] p31_old = p31_new [L2094] p31_new = nomsg [L2095] p32_old = p32_new [L2096] p32_new = nomsg [L2097] p34_old = p34_new [L2098] p34_new = nomsg [L2099] p41_old = p41_new [L2100] p41_new = nomsg [L2101] p42_old = p42_new [L2102] p42_new = nomsg [L2103] p43_old = p43_new [L2104] p43_new = nomsg [L2106] int check__tmp; [L2107] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2113] check__tmp = 0 [L2114] __return_6767 = check__tmp [L2115] main__c1 = __return_6767 [L2117] _Bool __tmp_9; [L2118] __tmp_9 = main__c1 [L2119] _Bool assert__arg; [L2120] assert__arg = __tmp_9 [L2121] COND TRUE assert__arg == 0 [L2123] __VERIFIER_error() - UnprovableResult [Line: 2066]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND TRUE ((int)max1) == ((int)id1) [L1705] st1 = 1 [L1706] mode1 = 0 [L1708] COND TRUE !(mode2 == 0) [L1710] COND FALSE !(r2 == 255) [L1716] r2 = r2 + 1 [L1717] COND FALSE !(!(ep12 == 0)) [L1725] COND FALSE !(!(ep32 == 0)) [L1733] COND FALSE !(!(ep42 == 0)) [L1741] COND TRUE ((int)r2) == 3 [L1743] COND TRUE ((int)max2) == ((int)id2) [L1745] st2 = 1 [L1746] mode2 = 0 [L1748] COND TRUE !(mode3 == 0) [L1750] COND FALSE !(r3 == 255) [L1756] r3 = r3 + 1 [L1757] COND FALSE !(!(ep13 == 0)) [L1765] COND FALSE !(!(ep23 == 0)) [L1773] COND FALSE !(!(ep43 == 0)) [L1781] COND TRUE ((int)r3) == 3 [L1783] COND FALSE !(((int)max3) == ((int)id3)) [L1982] nl3 = 1 [L1983] mode3 = 0 [L1985] COND TRUE !(mode4 == 0) [L1987] COND FALSE !(r4 == 255) [L1993] r4 = r4 + 1 [L1994] COND FALSE !(!(ep14 == 0)) [L2002] COND FALSE !(!(ep24 == 0)) [L2010] COND FALSE !(!(ep34 == 0)) [L2018] COND TRUE ((int)r4) == 3 [L2020] COND TRUE ((int)max4) == ((int)id4) [L2022] st4 = 1 [L2023] mode4 = 0 [L2024] p12_old = p12_new [L2025] p12_new = nomsg [L2026] p13_old = p13_new [L2027] p13_new = nomsg [L2028] p14_old = p14_new [L2029] p14_new = nomsg [L2030] p21_old = p21_new [L2031] p21_new = nomsg [L2032] p23_old = p23_new [L2033] p23_new = nomsg [L2034] p24_old = p24_new [L2035] p24_new = nomsg [L2036] p31_old = p31_new [L2037] p31_new = nomsg [L2038] p32_old = p32_new [L2039] p32_new = nomsg [L2040] p34_old = p34_new [L2041] p34_new = nomsg [L2042] p41_old = p41_new [L2043] p41_new = nomsg [L2044] p42_old = p42_new [L2045] p42_new = nomsg [L2046] p43_old = p43_new [L2047] p43_new = nomsg [L2049] int check__tmp; [L2050] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2056] check__tmp = 0 [L2057] __return_6810 = check__tmp [L2058] main__c1 = __return_6810 [L2060] _Bool __tmp_8; [L2061] __tmp_8 = main__c1 [L2062] _Bool assert__arg; [L2063] assert__arg = __tmp_8 [L2064] COND TRUE assert__arg == 0 [L2066] __VERIFIER_error() - UnprovableResult [Line: 2543]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND TRUE ((int)max1) == ((int)id1) [L1705] st1 = 1 [L1706] mode1 = 0 [L1708] COND TRUE !(mode2 == 0) [L1710] COND FALSE !(r2 == 255) [L1716] r2 = r2 + 1 [L1717] COND FALSE !(!(ep12 == 0)) [L1725] COND FALSE !(!(ep32 == 0)) [L1733] COND FALSE !(!(ep42 == 0)) [L1741] COND TRUE ((int)r2) == 3 [L1743] COND FALSE !(((int)max2) == ((int)id2)) [L2222] nl2 = 1 [L2223] mode2 = 0 [L2225] COND TRUE !(mode3 == 0) [L2227] COND FALSE !(r3 == 255) [L2233] r3 = r3 + 1 [L2234] COND FALSE !(!(ep13 == 0)) [L2242] COND FALSE !(!(ep23 == 0)) [L2250] COND FALSE !(!(ep43 == 0)) [L2258] COND TRUE ((int)r3) == 3 [L2260] COND FALSE !(((int)max3) == ((int)id3)) [L2459] nl3 = 1 [L2460] mode3 = 0 [L2462] COND TRUE !(mode4 == 0) [L2464] COND FALSE !(r4 == 255) [L2470] r4 = r4 + 1 [L2471] COND FALSE !(!(ep14 == 0)) [L2479] COND FALSE !(!(ep24 == 0)) [L2487] COND FALSE !(!(ep34 == 0)) [L2495] COND TRUE ((int)r4) == 3 [L2497] COND TRUE ((int)max4) == ((int)id4) [L2499] st4 = 1 [L2500] mode4 = 0 [L2501] p12_old = p12_new [L2502] p12_new = nomsg [L2503] p13_old = p13_new [L2504] p13_new = nomsg [L2505] p14_old = p14_new [L2506] p14_new = nomsg [L2507] p21_old = p21_new [L2508] p21_new = nomsg [L2509] p23_old = p23_new [L2510] p23_new = nomsg [L2511] p24_old = p24_new [L2512] p24_new = nomsg [L2513] p31_old = p31_new [L2514] p31_new = nomsg [L2515] p32_old = p32_new [L2516] p32_new = nomsg [L2517] p34_old = p34_new [L2518] p34_new = nomsg [L2519] p41_old = p41_new [L2520] p41_new = nomsg [L2521] p42_old = p42_new [L2522] p42_new = nomsg [L2523] p43_old = p43_new [L2524] p43_new = nomsg [L2526] int check__tmp; [L2527] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2533] check__tmp = 0 [L2534] __return_6533 = check__tmp [L2535] main__c1 = __return_6533 [L2537] _Bool __tmp_12; [L2538] __tmp_12 = main__c1 [L2539] _Bool assert__arg; [L2540] assert__arg = __tmp_12 [L2541] COND TRUE assert__arg == 0 [L2543] __VERIFIER_error() - UnprovableResult [Line: 2346]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND TRUE ((int)max1) == ((int)id1) [L1705] st1 = 1 [L1706] mode1 = 0 [L1708] COND TRUE !(mode2 == 0) [L1710] COND FALSE !(r2 == 255) [L1716] r2 = r2 + 1 [L1717] COND FALSE !(!(ep12 == 0)) [L1725] COND FALSE !(!(ep32 == 0)) [L1733] COND FALSE !(!(ep42 == 0)) [L1741] COND TRUE ((int)r2) == 3 [L1743] COND FALSE !(((int)max2) == ((int)id2)) [L2222] nl2 = 1 [L2223] mode2 = 0 [L2225] COND TRUE !(mode3 == 0) [L2227] COND FALSE !(r3 == 255) [L2233] r3 = r3 + 1 [L2234] COND FALSE !(!(ep13 == 0)) [L2242] COND FALSE !(!(ep23 == 0)) [L2250] COND FALSE !(!(ep43 == 0)) [L2258] COND TRUE ((int)r3) == 3 [L2260] COND TRUE ((int)max3) == ((int)id3) [L2262] st3 = 1 [L2263] mode3 = 0 [L2265] COND TRUE !(mode4 == 0) [L2267] COND FALSE !(r4 == 255) [L2273] r4 = r4 + 1 [L2274] COND FALSE !(!(ep14 == 0)) [L2282] COND FALSE !(!(ep24 == 0)) [L2290] COND FALSE !(!(ep34 == 0)) [L2298] COND TRUE ((int)r4) == 3 [L2300] COND TRUE ((int)max4) == ((int)id4) [L2302] st4 = 1 [L2303] mode4 = 0 [L2304] p12_old = p12_new [L2305] p12_new = nomsg [L2306] p13_old = p13_new [L2307] p13_new = nomsg [L2308] p14_old = p14_new [L2309] p14_new = nomsg [L2310] p21_old = p21_new [L2311] p21_new = nomsg [L2312] p23_old = p23_new [L2313] p23_new = nomsg [L2314] p24_old = p24_new [L2315] p24_new = nomsg [L2316] p31_old = p31_new [L2317] p31_new = nomsg [L2318] p32_old = p32_new [L2319] p32_new = nomsg [L2320] p34_old = p34_new [L2321] p34_new = nomsg [L2322] p41_old = p41_new [L2323] p41_new = nomsg [L2324] p42_old = p42_new [L2325] p42_new = nomsg [L2326] p43_old = p43_new [L2327] p43_new = nomsg [L2329] int check__tmp; [L2330] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2336] check__tmp = 0 [L2337] __return_6654 = check__tmp [L2338] main__c1 = __return_6654 [L2340] _Bool __tmp_10; [L2341] __tmp_10 = main__c1 [L2342] _Bool assert__arg; [L2343] assert__arg = __tmp_10 [L2344] COND TRUE assert__arg == 0 [L2346] __VERIFIER_error() - UnprovableResult [Line: 2403]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND TRUE ((int)max1) == ((int)id1) [L1705] st1 = 1 [L1706] mode1 = 0 [L1708] COND TRUE !(mode2 == 0) [L1710] COND FALSE !(r2 == 255) [L1716] r2 = r2 + 1 [L1717] COND FALSE !(!(ep12 == 0)) [L1725] COND FALSE !(!(ep32 == 0)) [L1733] COND FALSE !(!(ep42 == 0)) [L1741] COND TRUE ((int)r2) == 3 [L1743] COND FALSE !(((int)max2) == ((int)id2)) [L2222] nl2 = 1 [L2223] mode2 = 0 [L2225] COND TRUE !(mode3 == 0) [L2227] COND FALSE !(r3 == 255) [L2233] r3 = r3 + 1 [L2234] COND FALSE !(!(ep13 == 0)) [L2242] COND FALSE !(!(ep23 == 0)) [L2250] COND FALSE !(!(ep43 == 0)) [L2258] COND TRUE ((int)r3) == 3 [L2260] COND TRUE ((int)max3) == ((int)id3) [L2262] st3 = 1 [L2263] mode3 = 0 [L2265] COND TRUE !(mode4 == 0) [L2267] COND FALSE !(r4 == 255) [L2273] r4 = r4 + 1 [L2274] COND FALSE !(!(ep14 == 0)) [L2282] COND FALSE !(!(ep24 == 0)) [L2290] COND FALSE !(!(ep34 == 0)) [L2298] COND TRUE ((int)r4) == 3 [L2300] COND FALSE !(((int)max4) == ((int)id4)) [L2359] nl4 = 1 [L2360] mode4 = 0 [L2361] p12_old = p12_new [L2362] p12_new = nomsg [L2363] p13_old = p13_new [L2364] p13_new = nomsg [L2365] p14_old = p14_new [L2366] p14_new = nomsg [L2367] p21_old = p21_new [L2368] p21_new = nomsg [L2369] p23_old = p23_new [L2370] p23_new = nomsg [L2371] p24_old = p24_new [L2372] p24_new = nomsg [L2373] p31_old = p31_new [L2374] p31_new = nomsg [L2375] p32_old = p32_new [L2376] p32_new = nomsg [L2377] p34_old = p34_new [L2378] p34_new = nomsg [L2379] p41_old = p41_new [L2380] p41_new = nomsg [L2381] p42_old = p42_new [L2382] p42_new = nomsg [L2383] p43_old = p43_new [L2384] p43_new = nomsg [L2386] int check__tmp; [L2387] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2393] check__tmp = 0 [L2394] __return_6611 = check__tmp [L2395] main__c1 = __return_6611 [L2397] _Bool __tmp_11; [L2398] __tmp_11 = main__c1 [L2399] _Bool assert__arg; [L2400] assert__arg = __tmp_11 [L2401] COND TRUE assert__arg == 0 [L2403] __VERIFIER_error() - UnprovableResult [Line: 2622]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_6931; [L104] int __return_6888; [L105] int __return_6810; [L106] int __return_6767; [L107] int __return_6654; [L108] int __return_6611; [L109] int __return_6533; [L110] int __return_6487; [L111] int __return_5640; [L112] int __return_6319; [L113] int __return_6276; [L114] int __return_6198; [L115] int __return_6152; [L116] int __return_6019; [L117] int __return_5973; [L118] int __return_5872; [L119] int __return_5463; [L122] int main__c1; [L123] int main__i2; [L124] main__c1 = 0 [L125] ep12 = __VERIFIER_nondet_bool() [L126] ep13 = __VERIFIER_nondet_bool() [L127] ep14 = __VERIFIER_nondet_bool() [L128] ep21 = __VERIFIER_nondet_bool() [L129] ep23 = __VERIFIER_nondet_bool() [L130] ep24 = __VERIFIER_nondet_bool() [L131] ep31 = __VERIFIER_nondet_bool() [L132] ep32 = __VERIFIER_nondet_bool() [L133] ep34 = __VERIFIER_nondet_bool() [L134] ep41 = __VERIFIER_nondet_bool() [L135] ep42 = __VERIFIER_nondet_bool() [L136] ep43 = __VERIFIER_nondet_bool() [L137] id1 = __VERIFIER_nondet_char() [L138] r1 = __VERIFIER_nondet_uchar() [L139] st1 = __VERIFIER_nondet_char() [L140] nl1 = __VERIFIER_nondet_char() [L141] m1 = __VERIFIER_nondet_char() [L142] max1 = __VERIFIER_nondet_char() [L143] mode1 = __VERIFIER_nondet_bool() [L144] id2 = __VERIFIER_nondet_char() [L145] r2 = __VERIFIER_nondet_uchar() [L146] st2 = __VERIFIER_nondet_char() [L147] nl2 = __VERIFIER_nondet_char() [L148] m2 = __VERIFIER_nondet_char() [L149] max2 = __VERIFIER_nondet_char() [L150] mode2 = __VERIFIER_nondet_bool() [L151] id3 = __VERIFIER_nondet_char() [L152] r3 = __VERIFIER_nondet_uchar() [L153] st3 = __VERIFIER_nondet_char() [L154] nl3 = __VERIFIER_nondet_char() [L155] m3 = __VERIFIER_nondet_char() [L156] max3 = __VERIFIER_nondet_char() [L157] mode3 = __VERIFIER_nondet_bool() [L158] id4 = __VERIFIER_nondet_char() [L159] r4 = __VERIFIER_nondet_uchar() [L160] st4 = __VERIFIER_nondet_char() [L161] nl4 = __VERIFIER_nondet_char() [L162] m4 = __VERIFIER_nondet_char() [L163] max4 = __VERIFIER_nondet_char() [L164] mode4 = __VERIFIER_nondet_bool() [L166] _Bool init__r121; [L167] _Bool init__r131; [L168] _Bool init__r141; [L169] _Bool init__r211; [L170] _Bool init__r231; [L171] _Bool init__r241; [L172] _Bool init__r311; [L173] _Bool init__r321; [L174] _Bool init__r341; [L175] _Bool init__r411; [L176] _Bool init__r421; [L177] _Bool init__r431; [L178] _Bool init__r122; [L179] int init__tmp; [L180] _Bool init__r132; [L181] int init__tmp___0; [L182] _Bool init__r142; [L183] int init__tmp___1; [L184] _Bool init__r212; [L185] int init__tmp___2; [L186] _Bool init__r232; [L187] int init__tmp___3; [L188] _Bool init__r242; [L189] int init__tmp___4; [L190] _Bool init__r312; [L191] int init__tmp___5; [L192] _Bool init__r322; [L193] int init__tmp___6; [L194] _Bool init__r342; [L195] int init__tmp___7; [L196] _Bool init__r412; [L197] int init__tmp___8; [L198] _Bool init__r422; [L199] int init__tmp___9; [L200] _Bool init__r432; [L201] int init__tmp___10; [L202] _Bool init__r123; [L203] int init__tmp___11; [L204] _Bool init__r133; [L205] int init__tmp___12; [L206] _Bool init__r143; [L207] int init__tmp___13; [L208] _Bool init__r213; [L209] int init__tmp___14; [L210] _Bool init__r233; [L211] int init__tmp___15; [L212] _Bool init__r243; [L213] int init__tmp___16; [L214] _Bool init__r313; [L215] int init__tmp___17; [L216] _Bool init__r323; [L217] int init__tmp___18; [L218] _Bool init__r343; [L219] int init__tmp___19; [L220] _Bool init__r413; [L221] int init__tmp___20; [L222] _Bool init__r423; [L223] int init__tmp___21; [L224] _Bool init__r433; [L225] int init__tmp___22; [L226] int init__tmp___23; [L227] init__r121 = ep12 [L228] init__r131 = ep13 [L229] init__r141 = ep14 [L230] init__r211 = ep21 [L231] init__r231 = ep23 [L232] init__r241 = ep24 [L233] init__r311 = ep31 [L234] init__r321 = ep32 [L235] init__r341 = ep34 [L236] init__r411 = ep41 [L237] init__r421 = ep42 [L238] init__r431 = ep43 [L239] COND TRUE !(init__r121 == 0) [L241] init__tmp = 1 [L243] init__r122 = (_Bool)init__tmp [L244] COND TRUE !(init__r131 == 0) [L246] init__tmp___0 = 1 [L248] init__r132 = (_Bool)init__tmp___0 [L249] COND TRUE !(init__r141 == 0) [L251] init__tmp___1 = 1 [L253] init__r142 = (_Bool)init__tmp___1 [L254] COND TRUE !(init__r211 == 0) [L256] init__tmp___2 = 1 [L258] init__r212 = (_Bool)init__tmp___2 [L259] COND TRUE !(init__r231 == 0) [L261] init__tmp___3 = 1 [L263] init__r232 = (_Bool)init__tmp___3 [L264] COND TRUE !(init__r241 == 0) [L266] init__tmp___4 = 1 [L268] init__r242 = (_Bool)init__tmp___4 [L269] COND TRUE !(init__r311 == 0) [L271] init__tmp___5 = 1 [L273] init__r312 = (_Bool)init__tmp___5 [L274] COND TRUE !(init__r321 == 0) [L276] init__tmp___6 = 1 [L278] init__r322 = (_Bool)init__tmp___6 [L279] COND TRUE !(init__r341 == 0) [L281] init__tmp___7 = 1 [L283] init__r342 = (_Bool)init__tmp___7 [L284] COND TRUE !(init__r411 == 0) [L286] init__tmp___8 = 1 [L288] init__r412 = (_Bool)init__tmp___8 [L289] COND TRUE !(init__r421 == 0) [L291] init__tmp___9 = 1 [L293] init__r422 = (_Bool)init__tmp___9 [L294] COND TRUE !(init__r431 == 0) [L296] init__tmp___10 = 1 [L298] init__r432 = (_Bool)init__tmp___10 [L299] COND TRUE !(init__r122 == 0) [L301] init__tmp___11 = 1 [L303] init__r123 = (_Bool)init__tmp___11 [L304] COND TRUE !(init__r132 == 0) [L306] init__tmp___12 = 1 [L308] init__r133 = (_Bool)init__tmp___12 [L309] COND TRUE !(init__r142 == 0) [L311] init__tmp___13 = 1 [L313] init__r143 = (_Bool)init__tmp___13 [L314] COND TRUE !(init__r212 == 0) [L316] init__tmp___14 = 1 [L318] init__r213 = (_Bool)init__tmp___14 [L319] COND TRUE !(init__r232 == 0) [L321] init__tmp___15 = 1 [L323] init__r233 = (_Bool)init__tmp___15 [L324] COND TRUE !(init__r242 == 0) [L326] init__tmp___16 = 1 [L328] init__r243 = (_Bool)init__tmp___16 [L329] COND TRUE !(init__r312 == 0) [L331] init__tmp___17 = 1 [L333] init__r313 = (_Bool)init__tmp___17 [L334] COND TRUE !(init__r322 == 0) [L336] init__tmp___18 = 1 [L338] init__r323 = (_Bool)init__tmp___18 [L339] COND TRUE !(init__r342 == 0) [L341] init__tmp___19 = 1 [L343] init__r343 = (_Bool)init__tmp___19 [L344] COND TRUE !(init__r412 == 0) [L346] init__tmp___20 = 1 [L348] init__r413 = (_Bool)init__tmp___20 [L349] COND TRUE !(init__r422 == 0) [L351] init__tmp___21 = 1 [L353] init__r423 = (_Bool)init__tmp___21 [L354] COND TRUE !(init__r432 == 0) [L356] init__tmp___22 = 1 [L358] init__r433 = (_Bool)init__tmp___22 [L359] COND TRUE ((int)id1) != ((int)id2) [L361] COND TRUE ((int)id1) != ((int)id3) [L363] COND TRUE ((int)id1) != ((int)id4) [L365] COND TRUE ((int)id2) != ((int)id3) [L367] COND TRUE ((int)id2) != ((int)id4) [L369] COND TRUE ((int)id3) != ((int)id4) [L371] COND TRUE ((int)id1) >= 0 [L373] COND TRUE ((int)id2) >= 0 [L375] COND TRUE ((int)id3) >= 0 [L377] COND TRUE ((int)id4) >= 0 [L379] COND TRUE ((int)r1) == 0 [L381] COND TRUE ((int)r2) == 0 [L383] COND TRUE ((int)r3) == 0 [L385] COND TRUE ((int)r4) == 0 [L387] COND TRUE !(init__r123 == 0) [L389] COND TRUE !(init__r133 == 0) [L391] COND TRUE !(init__r143 == 0) [L393] COND TRUE !(init__r213 == 0) [L395] COND TRUE !(init__r233 == 0) [L397] COND TRUE !(init__r243 == 0) [L399] COND TRUE !(init__r313 == 0) [L401] COND TRUE !(init__r323 == 0) [L403] COND TRUE !(init__r343 == 0) [L405] COND TRUE !(init__r413 == 0) [L407] COND TRUE !(init__r423 == 0) [L409] COND TRUE !(init__r433 == 0) [L411] COND TRUE ((int)max1) == ((int)id1) [L413] COND TRUE ((int)max2) == ((int)id2) [L415] COND TRUE ((int)max3) == ((int)id3) [L417] COND TRUE ((int)max4) == ((int)id4) [L419] COND TRUE ((int)st1) == 0 [L421] COND TRUE ((int)st2) == 0 [L423] COND TRUE ((int)st3) == 0 [L425] COND TRUE ((int)st4) == 0 [L427] COND TRUE ((int)nl1) == 0 [L429] COND TRUE ((int)nl2) == 0 [L431] COND TRUE ((int)nl3) == 0 [L433] COND TRUE ((int)nl4) == 0 [L435] COND TRUE ((int)mode1) == 0 [L437] COND TRUE ((int)mode2) == 0 [L439] COND TRUE ((int)mode3) == 0 [L441] COND TRUE ((int)mode4) == 0 [L443] init__tmp___23 = 1 [L444] __return_4316 = init__tmp___23 [L445] main__i2 = __return_4316 [L446] COND TRUE main__i2 != 0 [L448] p12_old = nomsg [L449] p12_new = nomsg [L450] p13_old = nomsg [L451] p13_new = nomsg [L452] p14_old = nomsg [L453] p14_new = nomsg [L454] p21_old = nomsg [L455] p21_new = nomsg [L456] p23_old = nomsg [L457] p23_new = nomsg [L458] p24_old = nomsg [L459] p24_new = nomsg [L460] p31_old = nomsg [L461] p31_new = nomsg [L462] p32_old = nomsg [L463] p32_new = nomsg [L464] p34_old = nomsg [L465] p34_new = nomsg [L466] p41_old = nomsg [L467] p41_new = nomsg [L468] p42_old = nomsg [L469] p42_new = nomsg [L470] p43_old = nomsg [L471] p43_new = nomsg [L472] main__i2 = 0 [L474] COND FALSE !(!(mode1 == 0)) [L480] COND TRUE ((int)r1) < 3 [L482] COND FALSE !(!(ep12 == 0)) [L493] COND FALSE !(!(ep13 == 0)) [L504] COND FALSE !(!(ep14 == 0)) [L515] mode1 = 1 [L517] COND FALSE !(!(mode2 == 0)) [L523] COND TRUE ((int)r2) < 3 [L525] COND FALSE !(!(ep21 == 0)) [L536] COND FALSE !(!(ep23 == 0)) [L547] COND FALSE !(!(ep24 == 0)) [L558] mode2 = 1 [L560] COND FALSE !(!(mode3 == 0)) [L566] COND TRUE ((int)r3) < 3 [L568] COND FALSE !(!(ep31 == 0)) [L579] COND FALSE !(!(ep32 == 0)) [L590] COND FALSE !(!(ep34 == 0)) [L601] mode3 = 1 [L603] COND FALSE !(!(mode4 == 0)) [L609] COND TRUE ((int)r4) < 3 [L611] COND FALSE !(!(ep41 == 0)) [L622] COND FALSE !(!(ep42 == 0)) [L633] COND FALSE !(!(ep43 == 0)) [L644] mode4 = 1 [L645] p12_old = p12_new [L646] p12_new = nomsg [L647] p13_old = p13_new [L648] p13_new = nomsg [L649] p14_old = p14_new [L650] p14_new = nomsg [L651] p21_old = p21_new [L652] p21_new = nomsg [L653] p23_old = p23_new [L654] p23_new = nomsg [L655] p24_old = p24_new [L656] p24_new = nomsg [L657] p31_old = p31_new [L658] p31_new = nomsg [L659] p32_old = p32_new [L660] p32_new = nomsg [L661] p34_old = p34_new [L662] p34_new = nomsg [L663] p41_old = p41_new [L664] p41_new = nomsg [L665] p42_old = p42_new [L666] p42_new = nomsg [L667] p43_old = p43_new [L668] p43_new = nomsg [L670] int check__tmp; [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L681] COND FALSE !(((int)r1) >= 3) [L687] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L689] COND TRUE ((int)r1) < 3 [L691] COND FALSE !(((int)r1) >= 3) [L697] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L699] COND TRUE ((int)r1) < 3 [L701] check__tmp = 1 [L702] __return_4526 = check__tmp [L703] main__c1 = __return_4526 [L705] _Bool __tmp_1; [L706] __tmp_1 = main__c1 [L707] _Bool assert__arg; [L708] assert__arg = __tmp_1 [L709] COND FALSE !(assert__arg == 0) [L716] COND TRUE !(mode1 == 0) [L718] COND FALSE !(r1 == 255) [L724] r1 = r1 + 1 [L725] COND FALSE !(!(ep21 == 0)) [L733] COND FALSE !(!(ep31 == 0)) [L741] COND FALSE !(!(ep41 == 0)) [L749] COND FALSE !(((int)r1) == 3) [L755] mode1 = 0 [L757] COND TRUE !(mode2 == 0) [L759] COND FALSE !(r2 == 255) [L765] r2 = r2 + 1 [L766] COND FALSE !(!(ep12 == 0)) [L774] COND FALSE !(!(ep32 == 0)) [L782] COND FALSE !(!(ep42 == 0)) [L790] COND FALSE !(((int)r2) == 3) [L796] mode2 = 0 [L798] COND TRUE !(mode3 == 0) [L800] COND FALSE !(r3 == 255) [L806] r3 = r3 + 1 [L807] COND FALSE !(!(ep13 == 0)) [L815] COND FALSE !(!(ep23 == 0)) [L823] COND FALSE !(!(ep43 == 0)) [L831] COND FALSE !(((int)r3) == 3) [L837] mode3 = 0 [L839] COND TRUE !(mode4 == 0) [L841] COND FALSE !(r4 == 255) [L847] r4 = r4 + 1 [L848] COND FALSE !(!(ep14 == 0)) [L856] COND FALSE !(!(ep24 == 0)) [L864] COND FALSE !(!(ep34 == 0)) [L872] COND FALSE !(((int)r4) == 3) [L878] mode4 = 0 [L879] p12_old = p12_new [L880] p12_new = nomsg [L881] p13_old = p13_new [L882] p13_new = nomsg [L883] p14_old = p14_new [L884] p14_new = nomsg [L885] p21_old = p21_new [L886] p21_new = nomsg [L887] p23_old = p23_new [L888] p23_new = nomsg [L889] p24_old = p24_new [L890] p24_new = nomsg [L891] p31_old = p31_new [L892] p31_new = nomsg [L893] p32_old = p32_new [L894] p32_new = nomsg [L895] p34_old = p34_new [L896] p34_new = nomsg [L897] p41_old = p41_new [L898] p41_new = nomsg [L899] p42_old = p42_new [L900] p42_new = nomsg [L901] p43_old = p43_new [L902] p43_new = nomsg [L904] int check__tmp; [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L907] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L909] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L911] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L913] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L915] COND FALSE !(((int)r1) >= 3) [L921] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L923] COND TRUE ((int)r1) < 3 [L925] COND FALSE !(((int)r1) >= 3) [L931] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L933] COND TRUE ((int)r1) < 3 [L935] check__tmp = 1 [L936] __return_4710 = check__tmp [L937] main__c1 = __return_4710 [L939] _Bool __tmp_2; [L940] __tmp_2 = main__c1 [L941] _Bool assert__arg; [L942] assert__arg = __tmp_2 [L943] COND FALSE !(assert__arg == 0) [L950] COND FALSE !(!(mode1 == 0)) [L956] COND TRUE ((int)r1) < 3 [L958] COND FALSE !(!(ep12 == 0)) [L969] COND FALSE !(!(ep13 == 0)) [L980] COND FALSE !(!(ep14 == 0)) [L991] mode1 = 1 [L993] COND FALSE !(!(mode2 == 0)) [L999] COND TRUE ((int)r2) < 3 [L1001] COND FALSE !(!(ep21 == 0)) [L1012] COND FALSE !(!(ep23 == 0)) [L1023] COND FALSE !(!(ep24 == 0)) [L1034] mode2 = 1 [L1036] COND FALSE !(!(mode3 == 0)) [L1042] COND TRUE ((int)r3) < 3 [L1044] COND FALSE !(!(ep31 == 0)) [L1055] COND FALSE !(!(ep32 == 0)) [L1066] COND FALSE !(!(ep34 == 0)) [L1077] mode3 = 1 [L1079] COND FALSE !(!(mode4 == 0)) [L1085] COND TRUE ((int)r4) < 3 [L1087] COND FALSE !(!(ep41 == 0)) [L1098] COND FALSE !(!(ep42 == 0)) [L1109] COND FALSE !(!(ep43 == 0)) [L1120] mode4 = 1 [L1121] p12_old = p12_new [L1122] p12_new = nomsg [L1123] p13_old = p13_new [L1124] p13_new = nomsg [L1125] p14_old = p14_new [L1126] p14_new = nomsg [L1127] p21_old = p21_new [L1128] p21_new = nomsg [L1129] p23_old = p23_new [L1130] p23_new = nomsg [L1131] p24_old = p24_new [L1132] p24_new = nomsg [L1133] p31_old = p31_new [L1134] p31_new = nomsg [L1135] p32_old = p32_new [L1136] p32_new = nomsg [L1137] p34_old = p34_new [L1138] p34_new = nomsg [L1139] p41_old = p41_new [L1140] p41_new = nomsg [L1141] p42_old = p42_new [L1142] p42_new = nomsg [L1143] p43_old = p43_new [L1144] p43_new = nomsg [L1146] int check__tmp; [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1149] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1151] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1153] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1155] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1157] COND FALSE !(((int)r1) >= 3) [L1163] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1165] COND TRUE ((int)r1) < 3 [L1167] COND FALSE !(((int)r1) >= 3) [L1173] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1175] COND TRUE ((int)r1) < 3 [L1177] check__tmp = 1 [L1178] __return_4898 = check__tmp [L1179] main__c1 = __return_4898 [L1181] _Bool __tmp_3; [L1182] __tmp_3 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_3 [L1185] COND FALSE !(assert__arg == 0) [L1192] COND TRUE !(mode1 == 0) [L1194] COND FALSE !(r1 == 255) [L1200] r1 = r1 + 1 [L1201] COND FALSE !(!(ep21 == 0)) [L1209] COND FALSE !(!(ep31 == 0)) [L1217] COND FALSE !(!(ep41 == 0)) [L1225] COND FALSE !(((int)r1) == 3) [L1231] mode1 = 0 [L1233] COND TRUE !(mode2 == 0) [L1235] COND FALSE !(r2 == 255) [L1241] r2 = r2 + 1 [L1242] COND FALSE !(!(ep12 == 0)) [L1250] COND FALSE !(!(ep32 == 0)) [L1258] COND FALSE !(!(ep42 == 0)) [L1266] COND FALSE !(((int)r2) == 3) [L1272] mode2 = 0 [L1274] COND TRUE !(mode3 == 0) [L1276] COND FALSE !(r3 == 255) [L1282] r3 = r3 + 1 [L1283] COND FALSE !(!(ep13 == 0)) [L1291] COND FALSE !(!(ep23 == 0)) [L1299] COND FALSE !(!(ep43 == 0)) [L1307] COND FALSE !(((int)r3) == 3) [L1313] mode3 = 0 [L1315] COND TRUE !(mode4 == 0) [L1317] COND FALSE !(r4 == 255) [L1323] r4 = r4 + 1 [L1324] COND FALSE !(!(ep14 == 0)) [L1332] COND FALSE !(!(ep24 == 0)) [L1340] COND FALSE !(!(ep34 == 0)) [L1348] COND FALSE !(((int)r4) == 3) [L1354] mode4 = 0 [L1355] p12_old = p12_new [L1356] p12_new = nomsg [L1357] p13_old = p13_new [L1358] p13_new = nomsg [L1359] p14_old = p14_new [L1360] p14_new = nomsg [L1361] p21_old = p21_new [L1362] p21_new = nomsg [L1363] p23_old = p23_new [L1364] p23_new = nomsg [L1365] p24_old = p24_new [L1366] p24_new = nomsg [L1367] p31_old = p31_new [L1368] p31_new = nomsg [L1369] p32_old = p32_new [L1370] p32_new = nomsg [L1371] p34_old = p34_new [L1372] p34_new = nomsg [L1373] p41_old = p41_new [L1374] p41_new = nomsg [L1375] p42_old = p42_new [L1376] p42_new = nomsg [L1377] p43_old = p43_new [L1378] p43_new = nomsg [L1380] int check__tmp; [L1381] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1389] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1391] COND FALSE !(((int)r1) >= 3) [L1397] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1399] COND TRUE ((int)r1) < 3 [L1401] COND FALSE !(((int)r1) >= 3) [L1407] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1409] COND TRUE ((int)r1) < 3 [L1411] check__tmp = 1 [L1412] __return_5082 = check__tmp [L1413] main__c1 = __return_5082 [L1415] _Bool __tmp_4; [L1416] __tmp_4 = main__c1 [L1417] _Bool assert__arg; [L1418] assert__arg = __tmp_4 [L1419] COND FALSE !(assert__arg == 0) [L1426] COND FALSE !(!(mode1 == 0)) [L1432] COND TRUE ((int)r1) < 3 [L1434] COND FALSE !(!(ep12 == 0)) [L1445] COND FALSE !(!(ep13 == 0)) [L1456] COND FALSE !(!(ep14 == 0)) [L1467] mode1 = 1 [L1469] COND FALSE !(!(mode2 == 0)) [L1475] COND TRUE ((int)r2) < 3 [L1477] COND FALSE !(!(ep21 == 0)) [L1488] COND FALSE !(!(ep23 == 0)) [L1499] COND FALSE !(!(ep24 == 0)) [L1510] mode2 = 1 [L1512] COND FALSE !(!(mode3 == 0)) [L1518] COND TRUE ((int)r3) < 3 [L1520] COND FALSE !(!(ep31 == 0)) [L1531] COND FALSE !(!(ep32 == 0)) [L1542] COND FALSE !(!(ep34 == 0)) [L1553] mode3 = 1 [L1555] COND FALSE !(!(mode4 == 0)) [L1561] COND TRUE ((int)r4) < 3 [L1563] COND FALSE !(!(ep41 == 0)) [L1574] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(!(ep43 == 0)) [L1596] mode4 = 1 [L1597] p12_old = p12_new [L1598] p12_new = nomsg [L1599] p13_old = p13_new [L1600] p13_new = nomsg [L1601] p14_old = p14_new [L1602] p14_new = nomsg [L1603] p21_old = p21_new [L1604] p21_new = nomsg [L1605] p23_old = p23_new [L1606] p23_new = nomsg [L1607] p24_old = p24_new [L1608] p24_new = nomsg [L1609] p31_old = p31_new [L1610] p31_new = nomsg [L1611] p32_old = p32_new [L1612] p32_new = nomsg [L1613] p34_old = p34_new [L1614] p34_new = nomsg [L1615] p41_old = p41_new [L1616] p41_new = nomsg [L1617] p42_old = p42_new [L1618] p42_new = nomsg [L1619] p43_old = p43_new [L1620] p43_new = nomsg [L1622] int check__tmp; [L1623] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1625] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1627] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1629] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1631] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1633] COND FALSE !(((int)r1) >= 3) [L1639] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1641] COND TRUE ((int)r1) < 3 [L1643] COND FALSE !(((int)r1) >= 3) [L1649] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1651] COND TRUE ((int)r1) < 3 [L1653] check__tmp = 1 [L1654] __return_5270 = check__tmp [L1655] main__c1 = __return_5270 [L1657] _Bool __tmp_5; [L1658] __tmp_5 = main__c1 [L1659] _Bool assert__arg; [L1660] assert__arg = __tmp_5 [L1661] COND FALSE !(assert__arg == 0) [L1668] COND TRUE !(mode1 == 0) [L1670] COND FALSE !(r1 == 255) [L1676] r1 = r1 + 1 [L1677] COND FALSE !(!(ep21 == 0)) [L1685] COND FALSE !(!(ep31 == 0)) [L1693] COND FALSE !(!(ep41 == 0)) [L1701] COND TRUE ((int)r1) == 3 [L1703] COND FALSE !(((int)max1) == ((int)id1)) [L3705] nl1 = 1 [L3706] mode1 = 0 [L3708] COND TRUE !(mode2 == 0) [L3710] COND FALSE !(r2 == 255) [L3716] r2 = r2 + 1 [L3717] COND FALSE !(!(ep12 == 0)) [L3725] COND FALSE !(!(ep32 == 0)) [L3733] COND FALSE !(!(ep42 == 0)) [L3741] COND TRUE ((int)r2) == 3 [L3743] COND FALSE !(((int)max2) == ((int)id2)) [L4291] nl2 = 1 [L4292] mode2 = 0 [L4294] COND TRUE !(mode3 == 0) [L4296] COND FALSE !(r3 == 255) [L4302] r3 = r3 + 1 [L4303] COND FALSE !(!(ep13 == 0)) [L4311] COND FALSE !(!(ep23 == 0)) [L4319] COND FALSE !(!(ep43 == 0)) [L4327] COND TRUE ((int)r3) == 3 [L4329] COND FALSE !(((int)max3) == ((int)id3)) [L4597] nl3 = 1 [L4598] mode3 = 0 [L4600] COND TRUE !(mode4 == 0) [L4602] COND FALSE !(r4 == 255) [L4608] r4 = r4 + 1 [L4609] COND FALSE !(!(ep14 == 0)) [L4617] COND FALSE !(!(ep24 == 0)) [L4625] COND FALSE !(!(ep34 == 0)) [L4633] COND TRUE ((int)r4) == 3 [L4635] COND FALSE !(((int)max4) == ((int)id4)) [L4763] nl4 = 1 [L4764] mode4 = 0 [L4765] p12_old = p12_new [L4766] p12_new = nomsg [L4767] p13_old = p13_new [L4768] p13_new = nomsg [L4769] p14_old = p14_new [L4770] p14_new = nomsg [L4771] p21_old = p21_new [L4772] p21_new = nomsg [L4773] p23_old = p23_new [L4774] p23_new = nomsg [L4775] p24_old = p24_new [L4776] p24_new = nomsg [L4777] p31_old = p31_new [L4778] p31_new = nomsg [L4779] p32_old = p32_new [L4780] p32_new = nomsg [L4781] p34_old = p34_new [L4782] p34_new = nomsg [L4783] p41_old = p41_new [L4784] p41_new = nomsg [L4785] p42_old = p42_new [L4786] p42_new = nomsg [L4787] p43_old = p43_new [L4788] p43_new = nomsg [L4790] int check__tmp; [L4791] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L4793] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L4795] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L4797] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L4799] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L4801] COND TRUE ((int)r1) >= 3 [L4803] COND FALSE !(((int)r1) < 3) [L4809] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1) [L4815] check__tmp = 0 [L4816] __return_5463 = check__tmp [L4817] main__c1 = __return_5463 [L2616] _Bool __tmp_13; [L2617] __tmp_13 = main__c1 [L2618] _Bool assert__arg; [L2619] assert__arg = __tmp_13 [L2620] COND TRUE assert__arg == 0 [L2622] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...