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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:44:36,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:44:36,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:44:36,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:44:36,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:44:36,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:44:36,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:44:36,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:44:36,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:44:36,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:44:36,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:44:36,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:44:36,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:44:36,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:44:36,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:44:36,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:44:36,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:44:36,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:44:36,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:44:36,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:44:36,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:44:36,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:44:36,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:44:36,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:44:36,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:44:36,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:44:36,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:44:36,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:44:36,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:44:36,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:44:36,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:44:36,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:44:36,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:44:36,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:44:36,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:44:36,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:44:36,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 00:44:36,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:44:36,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:44:36,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:44:36,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:44:36,436 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:44:36,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:44:36,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:44:36,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:44:36,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:44:36,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:44:36,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:44:36,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:44:36,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:44:36,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:44:36,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:44:36,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:44:36,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:44:36,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:44:36,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:44:36,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:44:36,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:44:36,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:44:36,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:44:36,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:44:36,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:44:36,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:44:36,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:44:36,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:44:36,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:44:36,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:44:36,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:44:36,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:44:36,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:44:36,764 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:44:36,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-10-14 00:44:36,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1957328ce/7158a8028aed4c758118d12ab356f38c/FLAG6d02522f5 [2019-10-14 00:44:37,414 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:44:37,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-10-14 00:44:37,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1957328ce/7158a8028aed4c758118d12ab356f38c/FLAG6d02522f5 [2019-10-14 00:44:37,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1957328ce/7158a8028aed4c758118d12ab356f38c [2019-10-14 00:44:37,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:44:37,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:44:37,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:44:37,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:44:37,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:44:37,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:37" (1/1) ... [2019-10-14 00:44:37,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506dbed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:37, skipping insertion in model container [2019-10-14 00:44:37,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:37" (1/1) ... [2019-10-14 00:44:37,730 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:44:37,815 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:44:38,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:44:38,535 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:44:38,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:44:38,923 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:44:38,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38 WrapperNode [2019-10-14 00:44:38,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:44:38,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:44:38,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:44:38,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:44:38,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2019-10-14 00:44:38,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2019-10-14 00:44:38,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2019-10-14 00:44:38,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2019-10-14 00:44:38,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2019-10-14 00:44:39,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2019-10-14 00:44:39,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2019-10-14 00:44:39,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:44:39,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:44:39,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:44:39,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:44:39,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:44:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:44:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:44:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:44:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:44:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-14 00:44:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-14 00:44:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-14 00:44:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-14 00:44:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:44:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-14 00:44:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-14 00:44:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-14 00:44:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-14 00:44:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-14 00:44:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-14 00:44:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-14 00:44:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:44:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:44:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:44:40,850 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:44:40,850 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:44:40,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:40 BoogieIcfgContainer [2019-10-14 00:44:40,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:44:40,853 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:44:40,853 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:44:40,854 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:44:40,855 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:40" (1/1) ... [2019-10-14 00:44:40,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:44:41,073 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-14 00:44:49,343 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:44:49,463 INFO L272 AbstractInterpreter]: Visited 672 different actions 12943 times. Merged at 453 different actions 6833 times. Widened at 118 different actions 1013 times. Performed 41882 root evaluator evaluations with a maximum evaluation depth of 5. Performed 41882 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3589 fixpoints after 282 different actions. Largest state had 225 variables. [2019-10-14 00:44:49,463 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:44:49,466 INFO L168 Benchmark]: Toolchain (without parser) took 11751.71 ms. Allocated memory was 145.2 MB in the beginning and 503.3 MB in the end (delta: 358.1 MB). Free memory was 100.1 MB in the beginning and 385.3 MB in the end (delta: -285.2 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:49,467 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 00:44:49,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1209.94 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 100.1 MB in the beginning and 168.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:49,470 INFO L168 Benchmark]: Boogie Preprocessor took 97.52 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 163.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:49,473 INFO L168 Benchmark]: RCFGBuilder took 1830.30 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 120.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:49,474 INFO L168 Benchmark]: Abstract Interpretation took 8609.81 ms. Allocated memory was 237.5 MB in the beginning and 503.3 MB in the end (delta: 265.8 MB). Free memory was 120.5 MB in the beginning and 385.3 MB in the end (delta: -264.8 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:49,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1209.94 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 100.1 MB in the beginning and 168.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.52 ms. Allocated memory is still 204.5 MB. Free memory was 168.6 MB in the beginning and 163.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1830.30 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 120.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 8609.81 ms. Allocated memory was 237.5 MB in the beginning and 503.3 MB in the end (delta: 265.8 MB). Free memory was 120.5 MB in the beginning and 385.3 MB in the end (delta: -264.8 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 966]: 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 p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1718; [L66] int __return_1846; [L67] int __return_1964; [L68] int __return_2082; [L69] int __return_2816; [L70] int __return_2785; [L71] int __return_2726; [L72] int __return_2692; [L73] int __return_2315; [L74] int __return_2587; [L75] int __return_2553; [L76] int __return_2473; [L77] int __return_2205; [L80] int main__c1; [L81] int main__i2; [L82] main__c1 = 0 [L83] ep12 = __VERIFIER_nondet_bool() [L84] ep13 = __VERIFIER_nondet_bool() [L85] ep21 = __VERIFIER_nondet_bool() [L86] ep23 = __VERIFIER_nondet_bool() [L87] ep31 = __VERIFIER_nondet_bool() [L88] ep32 = __VERIFIER_nondet_bool() [L89] id1 = __VERIFIER_nondet_char() [L90] r1 = __VERIFIER_nondet_uchar() [L91] st1 = __VERIFIER_nondet_char() [L92] nl1 = __VERIFIER_nondet_char() [L93] m1 = __VERIFIER_nondet_char() [L94] max1 = __VERIFIER_nondet_char() [L95] mode1 = __VERIFIER_nondet_bool() [L96] id2 = __VERIFIER_nondet_char() [L97] r2 = __VERIFIER_nondet_uchar() [L98] st2 = __VERIFIER_nondet_char() [L99] nl2 = __VERIFIER_nondet_char() [L100] m2 = __VERIFIER_nondet_char() [L101] max2 = __VERIFIER_nondet_char() [L102] mode2 = __VERIFIER_nondet_bool() [L103] id3 = __VERIFIER_nondet_char() [L104] r3 = __VERIFIER_nondet_uchar() [L105] st3 = __VERIFIER_nondet_char() [L106] nl3 = __VERIFIER_nondet_char() [L107] m3 = __VERIFIER_nondet_char() [L108] max3 = __VERIFIER_nondet_char() [L109] mode3 = __VERIFIER_nondet_bool() [L111] _Bool init__r121; [L112] _Bool init__r131; [L113] _Bool init__r211; [L114] _Bool init__r231; [L115] _Bool init__r311; [L116] _Bool init__r321; [L117] _Bool init__r122; [L118] int init__tmp; [L119] _Bool init__r132; [L120] int init__tmp___0; [L121] _Bool init__r212; [L122] int init__tmp___1; [L123] _Bool init__r232; [L124] int init__tmp___2; [L125] _Bool init__r312; [L126] int init__tmp___3; [L127] _Bool init__r322; [L128] int init__tmp___4; [L129] int init__tmp___5; [L130] init__r121 = ep12 [L131] init__r131 = ep13 [L132] init__r211 = ep21 [L133] init__r231 = ep23 [L134] init__r311 = ep31 [L135] init__r321 = ep32 [L136] COND TRUE !(init__r121 == 0) [L138] init__tmp = 1 [L140] init__r122 = (_Bool)init__tmp [L141] COND TRUE !(init__r131 == 0) [L143] init__tmp___0 = 1 [L145] init__r132 = (_Bool)init__tmp___0 [L146] COND TRUE !(init__r211 == 0) [L148] init__tmp___1 = 1 [L150] init__r212 = (_Bool)init__tmp___1 [L151] COND TRUE !(init__r231 == 0) [L153] init__tmp___2 = 1 [L155] init__r232 = (_Bool)init__tmp___2 [L156] COND TRUE !(init__r311 == 0) [L158] init__tmp___3 = 1 [L160] init__r312 = (_Bool)init__tmp___3 [L161] COND TRUE !(init__r321 == 0) [L163] init__tmp___4 = 1 [L165] init__r322 = (_Bool)init__tmp___4 [L166] COND TRUE ((int)id1) != ((int)id2) [L168] COND TRUE ((int)id1) != ((int)id3) [L170] COND TRUE ((int)id2) != ((int)id3) [L172] COND TRUE ((int)id1) >= 0 [L174] COND TRUE ((int)id2) >= 0 [L176] COND TRUE ((int)id3) >= 0 [L178] COND TRUE ((int)r1) == 0 [L180] COND TRUE ((int)r2) == 0 [L182] COND TRUE ((int)r3) == 0 [L184] COND TRUE ((int)max1) == ((int)id1) [L186] COND TRUE ((int)max2) == ((int)id2) [L188] COND TRUE ((int)max3) == ((int)id3) [L190] COND TRUE ((int)st1) == 0 [L192] COND TRUE ((int)st2) == 0 [L194] COND TRUE ((int)st3) == 0 [L196] COND TRUE ((int)nl1) == 0 [L198] COND TRUE ((int)nl2) == 0 [L200] COND TRUE ((int)nl3) == 0 [L202] COND TRUE ((int)mode1) == 0 [L204] COND TRUE ((int)mode2) == 0 [L206] COND TRUE ((int)mode3) == 0 [L208] init__tmp___5 = 1 [L209] __return_1718 = init__tmp___5 [L210] main__i2 = __return_1718 [L211] COND TRUE main__i2 != 0 [L213] p12_old = nomsg [L214] p12_new = nomsg [L215] p13_old = nomsg [L216] p13_new = nomsg [L217] p21_old = nomsg [L218] p21_new = nomsg [L219] p23_old = nomsg [L220] p23_new = nomsg [L221] p31_old = nomsg [L222] p31_new = nomsg [L223] p32_old = nomsg [L224] p32_new = nomsg [L225] main__i2 = 0 [L227] COND FALSE !(!(mode1 == 0)) [L233] COND TRUE ((int)r1) < 2 [L235] COND FALSE !(!(ep12 == 0)) [L246] COND FALSE !(!(ep13 == 0)) [L257] mode1 = 1 [L259] COND FALSE !(!(mode2 == 0)) [L265] COND TRUE ((int)r2) < 2 [L267] COND FALSE !(!(ep21 == 0)) [L278] COND FALSE !(!(ep23 == 0)) [L289] mode2 = 1 [L291] COND FALSE !(!(mode3 == 0)) [L297] COND TRUE ((int)r3) < 2 [L299] COND FALSE !(!(ep31 == 0)) [L310] COND FALSE !(!(ep32 == 0)) [L321] mode3 = 1 [L322] p12_old = p12_new [L323] p12_new = nomsg [L324] p13_old = p13_new [L325] p13_new = nomsg [L326] p21_old = p21_new [L327] p21_new = nomsg [L328] p23_old = p23_new [L329] p23_new = nomsg [L330] p31_old = p31_new [L331] p31_new = nomsg [L332] p32_old = p32_new [L333] p32_new = nomsg [L335] int check__tmp; [L336] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L338] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L340] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L342] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L344] COND FALSE !(((int)r1) >= 2) [L350] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L352] COND TRUE ((int)r1) < 2 [L354] COND FALSE !(((int)r1) >= 2) [L360] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L362] COND TRUE ((int)r1) < 2 [L364] check__tmp = 1 [L365] __return_1846 = check__tmp [L366] main__c1 = __return_1846 [L368] _Bool __tmp_1; [L369] __tmp_1 = main__c1 [L370] _Bool assert__arg; [L371] assert__arg = __tmp_1 [L372] COND FALSE !(assert__arg == 0) [L379] COND TRUE !(mode1 == 0) [L381] COND FALSE !(r1 == 255) [L387] r1 = r1 + 1 [L388] COND FALSE !(!(ep21 == 0)) [L396] COND FALSE !(!(ep31 == 0)) [L404] COND FALSE !(((int)r1) == 2) [L410] mode1 = 0 [L412] COND TRUE !(mode2 == 0) [L414] COND FALSE !(r2 == 255) [L420] r2 = r2 + 1 [L421] COND FALSE !(!(ep12 == 0)) [L429] COND FALSE !(!(ep32 == 0)) [L437] COND FALSE !(((int)r2) == 2) [L443] mode2 = 0 [L445] COND TRUE !(mode3 == 0) [L447] COND FALSE !(r3 == 255) [L453] r3 = r3 + 1 [L454] COND FALSE !(!(ep13 == 0)) [L462] COND FALSE !(!(ep23 == 0)) [L470] COND FALSE !(((int)r3) == 2) [L476] mode3 = 0 [L477] p12_old = p12_new [L478] p12_new = nomsg [L479] p13_old = p13_new [L480] p13_new = nomsg [L481] p21_old = p21_new [L482] p21_new = nomsg [L483] p23_old = p23_new [L484] p23_new = nomsg [L485] p31_old = p31_new [L486] p31_new = nomsg [L487] p32_old = p32_new [L488] p32_new = nomsg [L490] int check__tmp; [L491] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L493] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L495] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L497] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L499] COND FALSE !(((int)r1) >= 2) [L505] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L507] COND TRUE ((int)r1) < 2 [L509] COND FALSE !(((int)r1) >= 2) [L515] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L517] COND TRUE ((int)r1) < 2 [L519] check__tmp = 1 [L520] __return_1964 = check__tmp [L521] main__c1 = __return_1964 [L523] _Bool __tmp_2; [L524] __tmp_2 = main__c1 [L525] _Bool assert__arg; [L526] assert__arg = __tmp_2 [L527] COND FALSE !(assert__arg == 0) [L534] COND FALSE !(!(mode1 == 0)) [L540] COND TRUE ((int)r1) < 2 [L542] COND FALSE !(!(ep12 == 0)) [L553] COND FALSE !(!(ep13 == 0)) [L564] mode1 = 1 [L566] COND FALSE !(!(mode2 == 0)) [L572] COND TRUE ((int)r2) < 2 [L574] COND FALSE !(!(ep21 == 0)) [L585] COND FALSE !(!(ep23 == 0)) [L596] mode2 = 1 [L598] COND FALSE !(!(mode3 == 0)) [L604] COND TRUE ((int)r3) < 2 [L606] COND FALSE !(!(ep31 == 0)) [L617] COND FALSE !(!(ep32 == 0)) [L628] mode3 = 1 [L629] p12_old = p12_new [L630] p12_new = nomsg [L631] p13_old = p13_new [L632] p13_new = nomsg [L633] p21_old = p21_new [L634] p21_new = nomsg [L635] p23_old = p23_new [L636] p23_new = nomsg [L637] p31_old = p31_new [L638] p31_new = nomsg [L639] p32_old = p32_new [L640] p32_new = nomsg [L642] int check__tmp; [L643] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L645] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L647] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L649] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L651] COND FALSE !(((int)r1) >= 2) [L657] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L659] COND TRUE ((int)r1) < 2 [L661] COND FALSE !(((int)r1) >= 2) [L667] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L669] COND TRUE ((int)r1) < 2 [L671] check__tmp = 1 [L672] __return_2082 = check__tmp [L673] main__c1 = __return_2082 [L675] _Bool __tmp_3; [L676] __tmp_3 = main__c1 [L677] _Bool assert__arg; [L678] assert__arg = __tmp_3 [L679] COND FALSE !(assert__arg == 0) [L686] COND TRUE !(mode1 == 0) [L688] COND FALSE !(r1 == 255) [L694] r1 = r1 + 1 [L695] COND FALSE !(!(ep21 == 0)) [L703] COND FALSE !(!(ep31 == 0)) [L711] COND TRUE ((int)r1) == 2 [L713] COND TRUE ((int)max1) == ((int)id1) [L715] st1 = 1 [L716] mode1 = 0 [L718] COND TRUE !(mode2 == 0) [L720] COND FALSE !(r2 == 255) [L726] r2 = r2 + 1 [L727] COND FALSE !(!(ep12 == 0)) [L735] COND FALSE !(!(ep32 == 0)) [L743] COND TRUE ((int)r2) == 2 [L745] COND FALSE !(((int)max2) == ((int)id2)) [L902] nl2 = 1 [L903] mode2 = 0 [L905] COND TRUE !(mode3 == 0) [L907] COND FALSE !(r3 == 255) [L913] r3 = r3 + 1 [L914] COND FALSE !(!(ep13 == 0)) [L922] COND FALSE !(!(ep23 == 0)) [L930] COND TRUE ((int)r3) == 2 [L932] COND TRUE ((int)max3) == ((int)id3) [L934] st3 = 1 [L935] mode3 = 0 [L936] p12_old = p12_new [L937] p12_new = nomsg [L938] p13_old = p13_new [L939] p13_new = nomsg [L940] p21_old = p21_new [L941] p21_new = nomsg [L942] p23_old = p23_new [L943] p23_new = nomsg [L944] p31_old = p31_new [L945] p31_new = nomsg [L946] p32_old = p32_new [L947] p32_new = nomsg [L949] int check__tmp; [L950] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L956] check__tmp = 0 [L957] __return_2726 = check__tmp [L958] main__c1 = __return_2726 [L960] _Bool __tmp_6; [L961] __tmp_6 = main__c1 [L962] _Bool assert__arg; [L963] assert__arg = __tmp_6 [L964] COND TRUE assert__arg == 0 [L966] __VERIFIER_error() - UnprovableResult [Line: 856]: 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 p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1718; [L66] int __return_1846; [L67] int __return_1964; [L68] int __return_2082; [L69] int __return_2816; [L70] int __return_2785; [L71] int __return_2726; [L72] int __return_2692; [L73] int __return_2315; [L74] int __return_2587; [L75] int __return_2553; [L76] int __return_2473; [L77] int __return_2205; [L80] int main__c1; [L81] int main__i2; [L82] main__c1 = 0 [L83] ep12 = __VERIFIER_nondet_bool() [L84] ep13 = __VERIFIER_nondet_bool() [L85] ep21 = __VERIFIER_nondet_bool() [L86] ep23 = __VERIFIER_nondet_bool() [L87] ep31 = __VERIFIER_nondet_bool() [L88] ep32 = __VERIFIER_nondet_bool() [L89] id1 = __VERIFIER_nondet_char() [L90] r1 = __VERIFIER_nondet_uchar() [L91] st1 = __VERIFIER_nondet_char() [L92] nl1 = __VERIFIER_nondet_char() [L93] m1 = __VERIFIER_nondet_char() [L94] max1 = __VERIFIER_nondet_char() [L95] mode1 = __VERIFIER_nondet_bool() [L96] id2 = __VERIFIER_nondet_char() [L97] r2 = __VERIFIER_nondet_uchar() [L98] st2 = __VERIFIER_nondet_char() [L99] nl2 = __VERIFIER_nondet_char() [L100] m2 = __VERIFIER_nondet_char() [L101] max2 = __VERIFIER_nondet_char() [L102] mode2 = __VERIFIER_nondet_bool() [L103] id3 = __VERIFIER_nondet_char() [L104] r3 = __VERIFIER_nondet_uchar() [L105] st3 = __VERIFIER_nondet_char() [L106] nl3 = __VERIFIER_nondet_char() [L107] m3 = __VERIFIER_nondet_char() [L108] max3 = __VERIFIER_nondet_char() [L109] mode3 = __VERIFIER_nondet_bool() [L111] _Bool init__r121; [L112] _Bool init__r131; [L113] _Bool init__r211; [L114] _Bool init__r231; [L115] _Bool init__r311; [L116] _Bool init__r321; [L117] _Bool init__r122; [L118] int init__tmp; [L119] _Bool init__r132; [L120] int init__tmp___0; [L121] _Bool init__r212; [L122] int init__tmp___1; [L123] _Bool init__r232; [L124] int init__tmp___2; [L125] _Bool init__r312; [L126] int init__tmp___3; [L127] _Bool init__r322; [L128] int init__tmp___4; [L129] int init__tmp___5; [L130] init__r121 = ep12 [L131] init__r131 = ep13 [L132] init__r211 = ep21 [L133] init__r231 = ep23 [L134] init__r311 = ep31 [L135] init__r321 = ep32 [L136] COND TRUE !(init__r121 == 0) [L138] init__tmp = 1 [L140] init__r122 = (_Bool)init__tmp [L141] COND TRUE !(init__r131 == 0) [L143] init__tmp___0 = 1 [L145] init__r132 = (_Bool)init__tmp___0 [L146] COND TRUE !(init__r211 == 0) [L148] init__tmp___1 = 1 [L150] init__r212 = (_Bool)init__tmp___1 [L151] COND TRUE !(init__r231 == 0) [L153] init__tmp___2 = 1 [L155] init__r232 = (_Bool)init__tmp___2 [L156] COND TRUE !(init__r311 == 0) [L158] init__tmp___3 = 1 [L160] init__r312 = (_Bool)init__tmp___3 [L161] COND TRUE !(init__r321 == 0) [L163] init__tmp___4 = 1 [L165] init__r322 = (_Bool)init__tmp___4 [L166] COND TRUE ((int)id1) != ((int)id2) [L168] COND TRUE ((int)id1) != ((int)id3) [L170] COND TRUE ((int)id2) != ((int)id3) [L172] COND TRUE ((int)id1) >= 0 [L174] COND TRUE ((int)id2) >= 0 [L176] COND TRUE ((int)id3) >= 0 [L178] COND TRUE ((int)r1) == 0 [L180] COND TRUE ((int)r2) == 0 [L182] COND TRUE ((int)r3) == 0 [L184] COND TRUE ((int)max1) == ((int)id1) [L186] COND TRUE ((int)max2) == ((int)id2) [L188] COND TRUE ((int)max3) == ((int)id3) [L190] COND TRUE ((int)st1) == 0 [L192] COND TRUE ((int)st2) == 0 [L194] COND TRUE ((int)st3) == 0 [L196] COND TRUE ((int)nl1) == 0 [L198] COND TRUE ((int)nl2) == 0 [L200] COND TRUE ((int)nl3) == 0 [L202] COND TRUE ((int)mode1) == 0 [L204] COND TRUE ((int)mode2) == 0 [L206] COND TRUE ((int)mode3) == 0 [L208] init__tmp___5 = 1 [L209] __return_1718 = init__tmp___5 [L210] main__i2 = __return_1718 [L211] COND TRUE main__i2 != 0 [L213] p12_old = nomsg [L214] p12_new = nomsg [L215] p13_old = nomsg [L216] p13_new = nomsg [L217] p21_old = nomsg [L218] p21_new = nomsg [L219] p23_old = nomsg [L220] p23_new = nomsg [L221] p31_old = nomsg [L222] p31_new = nomsg [L223] p32_old = nomsg [L224] p32_new = nomsg [L225] main__i2 = 0 [L227] COND FALSE !(!(mode1 == 0)) [L233] COND TRUE ((int)r1) < 2 [L235] COND FALSE !(!(ep12 == 0)) [L246] COND FALSE !(!(ep13 == 0)) [L257] mode1 = 1 [L259] COND FALSE !(!(mode2 == 0)) [L265] COND TRUE ((int)r2) < 2 [L267] COND FALSE !(!(ep21 == 0)) [L278] COND FALSE !(!(ep23 == 0)) [L289] mode2 = 1 [L291] COND FALSE !(!(mode3 == 0)) [L297] COND TRUE ((int)r3) < 2 [L299] COND FALSE !(!(ep31 == 0)) [L310] COND FALSE !(!(ep32 == 0)) [L321] mode3 = 1 [L322] p12_old = p12_new [L323] p12_new = nomsg [L324] p13_old = p13_new [L325] p13_new = nomsg [L326] p21_old = p21_new [L327] p21_new = nomsg [L328] p23_old = p23_new [L329] p23_new = nomsg [L330] p31_old = p31_new [L331] p31_new = nomsg [L332] p32_old = p32_new [L333] p32_new = nomsg [L335] int check__tmp; [L336] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L338] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L340] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L342] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L344] COND FALSE !(((int)r1) >= 2) [L350] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L352] COND TRUE ((int)r1) < 2 [L354] COND FALSE !(((int)r1) >= 2) [L360] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L362] COND TRUE ((int)r1) < 2 [L364] check__tmp = 1 [L365] __return_1846 = check__tmp [L366] main__c1 = __return_1846 [L368] _Bool __tmp_1; [L369] __tmp_1 = main__c1 [L370] _Bool assert__arg; [L371] assert__arg = __tmp_1 [L372] COND FALSE !(assert__arg == 0) [L379] COND TRUE !(mode1 == 0) [L381] COND FALSE !(r1 == 255) [L387] r1 = r1 + 1 [L388] COND FALSE !(!(ep21 == 0)) [L396] COND FALSE !(!(ep31 == 0)) [L404] COND FALSE !(((int)r1) == 2) [L410] mode1 = 0 [L412] COND TRUE !(mode2 == 0) [L414] COND FALSE !(r2 == 255) [L420] r2 = r2 + 1 [L421] COND FALSE !(!(ep12 == 0)) [L429] COND FALSE !(!(ep32 == 0)) [L437] COND FALSE !(((int)r2) == 2) [L443] mode2 = 0 [L445] COND TRUE !(mode3 == 0) [L447] COND FALSE !(r3 == 255) [L453] r3 = r3 + 1 [L454] COND FALSE !(!(ep13 == 0)) [L462] COND FALSE !(!(ep23 == 0)) [L470] COND FALSE !(((int)r3) == 2) [L476] mode3 = 0 [L477] p12_old = p12_new [L478] p12_new = nomsg [L479] p13_old = p13_new [L480] p13_new = nomsg [L481] p21_old = p21_new [L482] p21_new = nomsg [L483] p23_old = p23_new [L484] p23_new = nomsg [L485] p31_old = p31_new [L486] p31_new = nomsg [L487] p32_old = p32_new [L488] p32_new = nomsg [L490] int check__tmp; [L491] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L493] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L495] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L497] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L499] COND FALSE !(((int)r1) >= 2) [L505] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L507] COND TRUE ((int)r1) < 2 [L509] COND FALSE !(((int)r1) >= 2) [L515] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L517] COND TRUE ((int)r1) < 2 [L519] check__tmp = 1 [L520] __return_1964 = check__tmp [L521] main__c1 = __return_1964 [L523] _Bool __tmp_2; [L524] __tmp_2 = main__c1 [L525] _Bool assert__arg; [L526] assert__arg = __tmp_2 [L527] COND FALSE !(assert__arg == 0) [L534] COND FALSE !(!(mode1 == 0)) [L540] COND TRUE ((int)r1) < 2 [L542] COND FALSE !(!(ep12 == 0)) [L553] COND FALSE !(!(ep13 == 0)) [L564] mode1 = 1 [L566] COND FALSE !(!(mode2 == 0)) [L572] COND TRUE ((int)r2) < 2 [L574] COND FALSE !(!(ep21 == 0)) [L585] COND FALSE !(!(ep23 == 0)) [L596] mode2 = 1 [L598] COND FALSE !(!(mode3 == 0)) [L604] COND TRUE ((int)r3) < 2 [L606] COND FALSE !(!(ep31 == 0)) [L617] COND FALSE !(!(ep32 == 0)) [L628] mode3 = 1 [L629] p12_old = p12_new [L630] p12_new = nomsg [L631] p13_old = p13_new [L632] p13_new = nomsg [L633] p21_old = p21_new [L634] p21_new = nomsg [L635] p23_old = p23_new [L636] p23_new = nomsg [L637] p31_old = p31_new [L638] p31_new = nomsg [L639] p32_old = p32_new [L640] p32_new = nomsg [L642] int check__tmp; [L643] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L645] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L647] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L649] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L651] COND FALSE !(((int)r1) >= 2) [L657] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L659] COND TRUE ((int)r1) < 2 [L661] COND FALSE !(((int)r1) >= 2) [L667] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L669] COND TRUE ((int)r1) < 2 [L671] check__tmp = 1 [L672] __return_2082 = check__tmp [L673] main__c1 = __return_2082 [L675] _Bool __tmp_3; [L676] __tmp_3 = main__c1 [L677] _Bool assert__arg; [L678] assert__arg = __tmp_3 [L679] COND FALSE !(assert__arg == 0) [L686] COND TRUE !(mode1 == 0) [L688] COND FALSE !(r1 == 255) [L694] r1 = r1 + 1 [L695] COND FALSE !(!(ep21 == 0)) [L703] COND FALSE !(!(ep31 == 0)) [L711] COND TRUE ((int)r1) == 2 [L713] COND TRUE ((int)max1) == ((int)id1) [L715] st1 = 1 [L716] mode1 = 0 [L718] COND TRUE !(mode2 == 0) [L720] COND FALSE !(r2 == 255) [L726] r2 = r2 + 1 [L727] COND FALSE !(!(ep12 == 0)) [L735] COND FALSE !(!(ep32 == 0)) [L743] COND TRUE ((int)r2) == 2 [L745] COND TRUE ((int)max2) == ((int)id2) [L747] st2 = 1 [L748] mode2 = 0 [L750] COND TRUE !(mode3 == 0) [L752] COND FALSE !(r3 == 255) [L758] r3 = r3 + 1 [L759] COND FALSE !(!(ep13 == 0)) [L767] COND FALSE !(!(ep23 == 0)) [L775] COND TRUE ((int)r3) == 2 [L777] COND FALSE !(((int)max3) == ((int)id3)) [L824] nl3 = 1 [L825] mode3 = 0 [L826] p12_old = p12_new [L827] p12_new = nomsg [L828] p13_old = p13_new [L829] p13_new = nomsg [L830] p21_old = p21_new [L831] p21_new = nomsg [L832] p23_old = p23_new [L833] p23_new = nomsg [L834] p31_old = p31_new [L835] p31_new = nomsg [L836] p32_old = p32_new [L837] p32_new = nomsg [L839] int check__tmp; [L840] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L846] check__tmp = 0 [L847] __return_2785 = check__tmp [L848] main__c1 = __return_2785 [L850] _Bool __tmp_5; [L851] __tmp_5 = main__c1 [L852] _Bool assert__arg; [L853] assert__arg = __tmp_5 [L854] COND TRUE assert__arg == 0 [L856] __VERIFIER_error() - UnprovableResult [Line: 811]: 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 p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1718; [L66] int __return_1846; [L67] int __return_1964; [L68] int __return_2082; [L69] int __return_2816; [L70] int __return_2785; [L71] int __return_2726; [L72] int __return_2692; [L73] int __return_2315; [L74] int __return_2587; [L75] int __return_2553; [L76] int __return_2473; [L77] int __return_2205; [L80] int main__c1; [L81] int main__i2; [L82] main__c1 = 0 [L83] ep12 = __VERIFIER_nondet_bool() [L84] ep13 = __VERIFIER_nondet_bool() [L85] ep21 = __VERIFIER_nondet_bool() [L86] ep23 = __VERIFIER_nondet_bool() [L87] ep31 = __VERIFIER_nondet_bool() [L88] ep32 = __VERIFIER_nondet_bool() [L89] id1 = __VERIFIER_nondet_char() [L90] r1 = __VERIFIER_nondet_uchar() [L91] st1 = __VERIFIER_nondet_char() [L92] nl1 = __VERIFIER_nondet_char() [L93] m1 = __VERIFIER_nondet_char() [L94] max1 = __VERIFIER_nondet_char() [L95] mode1 = __VERIFIER_nondet_bool() [L96] id2 = __VERIFIER_nondet_char() [L97] r2 = __VERIFIER_nondet_uchar() [L98] st2 = __VERIFIER_nondet_char() [L99] nl2 = __VERIFIER_nondet_char() [L100] m2 = __VERIFIER_nondet_char() [L101] max2 = __VERIFIER_nondet_char() [L102] mode2 = __VERIFIER_nondet_bool() [L103] id3 = __VERIFIER_nondet_char() [L104] r3 = __VERIFIER_nondet_uchar() [L105] st3 = __VERIFIER_nondet_char() [L106] nl3 = __VERIFIER_nondet_char() [L107] m3 = __VERIFIER_nondet_char() [L108] max3 = __VERIFIER_nondet_char() [L109] mode3 = __VERIFIER_nondet_bool() [L111] _Bool init__r121; [L112] _Bool init__r131; [L113] _Bool init__r211; [L114] _Bool init__r231; [L115] _Bool init__r311; [L116] _Bool init__r321; [L117] _Bool init__r122; [L118] int init__tmp; [L119] _Bool init__r132; [L120] int init__tmp___0; [L121] _Bool init__r212; [L122] int init__tmp___1; [L123] _Bool init__r232; [L124] int init__tmp___2; [L125] _Bool init__r312; [L126] int init__tmp___3; [L127] _Bool init__r322; [L128] int init__tmp___4; [L129] int init__tmp___5; [L130] init__r121 = ep12 [L131] init__r131 = ep13 [L132] init__r211 = ep21 [L133] init__r231 = ep23 [L134] init__r311 = ep31 [L135] init__r321 = ep32 [L136] COND TRUE !(init__r121 == 0) [L138] init__tmp = 1 [L140] init__r122 = (_Bool)init__tmp [L141] COND TRUE !(init__r131 == 0) [L143] init__tmp___0 = 1 [L145] init__r132 = (_Bool)init__tmp___0 [L146] COND TRUE !(init__r211 == 0) [L148] init__tmp___1 = 1 [L150] init__r212 = (_Bool)init__tmp___1 [L151] COND TRUE !(init__r231 == 0) [L153] init__tmp___2 = 1 [L155] init__r232 = (_Bool)init__tmp___2 [L156] COND TRUE !(init__r311 == 0) [L158] init__tmp___3 = 1 [L160] init__r312 = (_Bool)init__tmp___3 [L161] COND TRUE !(init__r321 == 0) [L163] init__tmp___4 = 1 [L165] init__r322 = (_Bool)init__tmp___4 [L166] COND TRUE ((int)id1) != ((int)id2) [L168] COND TRUE ((int)id1) != ((int)id3) [L170] COND TRUE ((int)id2) != ((int)id3) [L172] COND TRUE ((int)id1) >= 0 [L174] COND TRUE ((int)id2) >= 0 [L176] COND TRUE ((int)id3) >= 0 [L178] COND TRUE ((int)r1) == 0 [L180] COND TRUE ((int)r2) == 0 [L182] COND TRUE ((int)r3) == 0 [L184] COND TRUE ((int)max1) == ((int)id1) [L186] COND TRUE ((int)max2) == ((int)id2) [L188] COND TRUE ((int)max3) == ((int)id3) [L190] COND TRUE ((int)st1) == 0 [L192] COND TRUE ((int)st2) == 0 [L194] COND TRUE ((int)st3) == 0 [L196] COND TRUE ((int)nl1) == 0 [L198] COND TRUE ((int)nl2) == 0 [L200] COND TRUE ((int)nl3) == 0 [L202] COND TRUE ((int)mode1) == 0 [L204] COND TRUE ((int)mode2) == 0 [L206] COND TRUE ((int)mode3) == 0 [L208] init__tmp___5 = 1 [L209] __return_1718 = init__tmp___5 [L210] main__i2 = __return_1718 [L211] COND TRUE main__i2 != 0 [L213] p12_old = nomsg [L214] p12_new = nomsg [L215] p13_old = nomsg [L216] p13_new = nomsg [L217] p21_old = nomsg [L218] p21_new = nomsg [L219] p23_old = nomsg [L220] p23_new = nomsg [L221] p31_old = nomsg [L222] p31_new = nomsg [L223] p32_old = nomsg [L224] p32_new = nomsg [L225] main__i2 = 0 [L227] COND FALSE !(!(mode1 == 0)) [L233] COND TRUE ((int)r1) < 2 [L235] COND FALSE !(!(ep12 == 0)) [L246] COND FALSE !(!(ep13 == 0)) [L257] mode1 = 1 [L259] COND FALSE !(!(mode2 == 0)) [L265] COND TRUE ((int)r2) < 2 [L267] COND FALSE !(!(ep21 == 0)) [L278] COND FALSE !(!(ep23 == 0)) [L289] mode2 = 1 [L291] COND FALSE !(!(mode3 == 0)) [L297] COND TRUE ((int)r3) < 2 [L299] COND FALSE !(!(ep31 == 0)) [L310] COND FALSE !(!(ep32 == 0)) [L321] mode3 = 1 [L322] p12_old = p12_new [L323] p12_new = nomsg [L324] p13_old = p13_new [L325] p13_new = nomsg [L326] p21_old = p21_new [L327] p21_new = nomsg [L328] p23_old = p23_new [L329] p23_new = nomsg [L330] p31_old = p31_new [L331] p31_new = nomsg [L332] p32_old = p32_new [L333] p32_new = nomsg [L335] int check__tmp; [L336] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L338] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L340] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L342] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L344] COND FALSE !(((int)r1) >= 2) [L350] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L352] COND TRUE ((int)r1) < 2 [L354] COND FALSE !(((int)r1) >= 2) [L360] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L362] COND TRUE ((int)r1) < 2 [L364] check__tmp = 1 [L365] __return_1846 = check__tmp [L366] main__c1 = __return_1846 [L368] _Bool __tmp_1; [L369] __tmp_1 = main__c1 [L370] _Bool assert__arg; [L371] assert__arg = __tmp_1 [L372] COND FALSE !(assert__arg == 0) [L379] COND TRUE !(mode1 == 0) [L381] COND FALSE !(r1 == 255) [L387] r1 = r1 + 1 [L388] COND FALSE !(!(ep21 == 0)) [L396] COND FALSE !(!(ep31 == 0)) [L404] COND FALSE !(((int)r1) == 2) [L410] mode1 = 0 [L412] COND TRUE !(mode2 == 0) [L414] COND FALSE !(r2 == 255) [L420] r2 = r2 + 1 [L421] COND FALSE !(!(ep12 == 0)) [L429] COND FALSE !(!(ep32 == 0)) [L437] COND FALSE !(((int)r2) == 2) [L443] mode2 = 0 [L445] COND TRUE !(mode3 == 0) [L447] COND FALSE !(r3 == 255) [L453] r3 = r3 + 1 [L454] COND FALSE !(!(ep13 == 0)) [L462] COND FALSE !(!(ep23 == 0)) [L470] COND FALSE !(((int)r3) == 2) [L476] mode3 = 0 [L477] p12_old = p12_new [L478] p12_new = nomsg [L479] p13_old = p13_new [L480] p13_new = nomsg [L481] p21_old = p21_new [L482] p21_new = nomsg [L483] p23_old = p23_new [L484] p23_new = nomsg [L485] p31_old = p31_new [L486] p31_new = nomsg [L487] p32_old = p32_new [L488] p32_new = nomsg [L490] int check__tmp; [L491] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L493] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L495] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L497] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L499] COND FALSE !(((int)r1) >= 2) [L505] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L507] COND TRUE ((int)r1) < 2 [L509] COND FALSE !(((int)r1) >= 2) [L515] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L517] COND TRUE ((int)r1) < 2 [L519] check__tmp = 1 [L520] __return_1964 = check__tmp [L521] main__c1 = __return_1964 [L523] _Bool __tmp_2; [L524] __tmp_2 = main__c1 [L525] _Bool assert__arg; [L526] assert__arg = __tmp_2 [L527] COND FALSE !(assert__arg == 0) [L534] COND FALSE !(!(mode1 == 0)) [L540] COND TRUE ((int)r1) < 2 [L542] COND FALSE !(!(ep12 == 0)) [L553] COND FALSE !(!(ep13 == 0)) [L564] mode1 = 1 [L566] COND FALSE !(!(mode2 == 0)) [L572] COND TRUE ((int)r2) < 2 [L574] COND FALSE !(!(ep21 == 0)) [L585] COND FALSE !(!(ep23 == 0)) [L596] mode2 = 1 [L598] COND FALSE !(!(mode3 == 0)) [L604] COND TRUE ((int)r3) < 2 [L606] COND FALSE !(!(ep31 == 0)) [L617] COND FALSE !(!(ep32 == 0)) [L628] mode3 = 1 [L629] p12_old = p12_new [L630] p12_new = nomsg [L631] p13_old = p13_new [L632] p13_new = nomsg [L633] p21_old = p21_new [L634] p21_new = nomsg [L635] p23_old = p23_new [L636] p23_new = nomsg [L637] p31_old = p31_new [L638] p31_new = nomsg [L639] p32_old = p32_new [L640] p32_new = nomsg [L642] int check__tmp; [L643] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L645] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L647] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L649] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L651] COND FALSE !(((int)r1) >= 2) [L657] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L659] COND TRUE ((int)r1) < 2 [L661] COND FALSE !(((int)r1) >= 2) [L667] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L669] COND TRUE ((int)r1) < 2 [L671] check__tmp = 1 [L672] __return_2082 = check__tmp [L673] main__c1 = __return_2082 [L675] _Bool __tmp_3; [L676] __tmp_3 = main__c1 [L677] _Bool assert__arg; [L678] assert__arg = __tmp_3 [L679] COND FALSE !(assert__arg == 0) [L686] COND TRUE !(mode1 == 0) [L688] COND FALSE !(r1 == 255) [L694] r1 = r1 + 1 [L695] COND FALSE !(!(ep21 == 0)) [L703] COND FALSE !(!(ep31 == 0)) [L711] COND TRUE ((int)r1) == 2 [L713] COND TRUE ((int)max1) == ((int)id1) [L715] st1 = 1 [L716] mode1 = 0 [L718] COND TRUE !(mode2 == 0) [L720] COND FALSE !(r2 == 255) [L726] r2 = r2 + 1 [L727] COND FALSE !(!(ep12 == 0)) [L735] COND FALSE !(!(ep32 == 0)) [L743] COND TRUE ((int)r2) == 2 [L745] COND TRUE ((int)max2) == ((int)id2) [L747] st2 = 1 [L748] mode2 = 0 [L750] COND TRUE !(mode3 == 0) [L752] COND FALSE !(r3 == 255) [L758] r3 = r3 + 1 [L759] COND FALSE !(!(ep13 == 0)) [L767] COND FALSE !(!(ep23 == 0)) [L775] COND TRUE ((int)r3) == 2 [L777] COND TRUE ((int)max3) == ((int)id3) [L779] st3 = 1 [L780] mode3 = 0 [L781] p12_old = p12_new [L782] p12_new = nomsg [L783] p13_old = p13_new [L784] p13_new = nomsg [L785] p21_old = p21_new [L786] p21_new = nomsg [L787] p23_old = p23_new [L788] p23_new = nomsg [L789] p31_old = p31_new [L790] p31_new = nomsg [L791] p32_old = p32_new [L792] p32_new = nomsg [L794] int check__tmp; [L795] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L801] check__tmp = 0 [L802] __return_2816 = check__tmp [L803] main__c1 = __return_2816 [L805] _Bool __tmp_4; [L806] __tmp_4 = main__c1 [L807] _Bool assert__arg; [L808] assert__arg = __tmp_4 [L809] COND TRUE assert__arg == 0 [L811] __VERIFIER_error() - UnprovableResult [Line: 1799]: 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 p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1718; [L66] int __return_1846; [L67] int __return_1964; [L68] int __return_2082; [L69] int __return_2816; [L70] int __return_2785; [L71] int __return_2726; [L72] int __return_2692; [L73] int __return_2315; [L74] int __return_2587; [L75] int __return_2553; [L76] int __return_2473; [L77] int __return_2205; [L80] int main__c1; [L81] int main__i2; [L82] main__c1 = 0 [L83] ep12 = __VERIFIER_nondet_bool() [L84] ep13 = __VERIFIER_nondet_bool() [L85] ep21 = __VERIFIER_nondet_bool() [L86] ep23 = __VERIFIER_nondet_bool() [L87] ep31 = __VERIFIER_nondet_bool() [L88] ep32 = __VERIFIER_nondet_bool() [L89] id1 = __VERIFIER_nondet_char() [L90] r1 = __VERIFIER_nondet_uchar() [L91] st1 = __VERIFIER_nondet_char() [L92] nl1 = __VERIFIER_nondet_char() [L93] m1 = __VERIFIER_nondet_char() [L94] max1 = __VERIFIER_nondet_char() [L95] mode1 = __VERIFIER_nondet_bool() [L96] id2 = __VERIFIER_nondet_char() [L97] r2 = __VERIFIER_nondet_uchar() [L98] st2 = __VERIFIER_nondet_char() [L99] nl2 = __VERIFIER_nondet_char() [L100] m2 = __VERIFIER_nondet_char() [L101] max2 = __VERIFIER_nondet_char() [L102] mode2 = __VERIFIER_nondet_bool() [L103] id3 = __VERIFIER_nondet_char() [L104] r3 = __VERIFIER_nondet_uchar() [L105] st3 = __VERIFIER_nondet_char() [L106] nl3 = __VERIFIER_nondet_char() [L107] m3 = __VERIFIER_nondet_char() [L108] max3 = __VERIFIER_nondet_char() [L109] mode3 = __VERIFIER_nondet_bool() [L111] _Bool init__r121; [L112] _Bool init__r131; [L113] _Bool init__r211; [L114] _Bool init__r231; [L115] _Bool init__r311; [L116] _Bool init__r321; [L117] _Bool init__r122; [L118] int init__tmp; [L119] _Bool init__r132; [L120] int init__tmp___0; [L121] _Bool init__r212; [L122] int init__tmp___1; [L123] _Bool init__r232; [L124] int init__tmp___2; [L125] _Bool init__r312; [L126] int init__tmp___3; [L127] _Bool init__r322; [L128] int init__tmp___4; [L129] int init__tmp___5; [L130] init__r121 = ep12 [L131] init__r131 = ep13 [L132] init__r211 = ep21 [L133] init__r231 = ep23 [L134] init__r311 = ep31 [L135] init__r321 = ep32 [L136] COND TRUE !(init__r121 == 0) [L138] init__tmp = 1 [L140] init__r122 = (_Bool)init__tmp [L141] COND TRUE !(init__r131 == 0) [L143] init__tmp___0 = 1 [L145] init__r132 = (_Bool)init__tmp___0 [L146] COND TRUE !(init__r211 == 0) [L148] init__tmp___1 = 1 [L150] init__r212 = (_Bool)init__tmp___1 [L151] COND TRUE !(init__r231 == 0) [L153] init__tmp___2 = 1 [L155] init__r232 = (_Bool)init__tmp___2 [L156] COND TRUE !(init__r311 == 0) [L158] init__tmp___3 = 1 [L160] init__r312 = (_Bool)init__tmp___3 [L161] COND TRUE !(init__r321 == 0) [L163] init__tmp___4 = 1 [L165] init__r322 = (_Bool)init__tmp___4 [L166] COND TRUE ((int)id1) != ((int)id2) [L168] COND TRUE ((int)id1) != ((int)id3) [L170] COND TRUE ((int)id2) != ((int)id3) [L172] COND TRUE ((int)id1) >= 0 [L174] COND TRUE ((int)id2) >= 0 [L176] COND TRUE ((int)id3) >= 0 [L178] COND TRUE ((int)r1) == 0 [L180] COND TRUE ((int)r2) == 0 [L182] COND TRUE ((int)r3) == 0 [L184] COND TRUE ((int)max1) == ((int)id1) [L186] COND TRUE ((int)max2) == ((int)id2) [L188] COND TRUE ((int)max3) == ((int)id3) [L190] COND TRUE ((int)st1) == 0 [L192] COND TRUE ((int)st2) == 0 [L194] COND TRUE ((int)st3) == 0 [L196] COND TRUE ((int)nl1) == 0 [L198] COND TRUE ((int)nl2) == 0 [L200] COND TRUE ((int)nl3) == 0 [L202] COND TRUE ((int)mode1) == 0 [L204] COND TRUE ((int)mode2) == 0 [L206] COND TRUE ((int)mode3) == 0 [L208] init__tmp___5 = 1 [L209] __return_1718 = init__tmp___5 [L210] main__i2 = __return_1718 [L211] COND TRUE main__i2 != 0 [L213] p12_old = nomsg [L214] p12_new = nomsg [L215] p13_old = nomsg [L216] p13_new = nomsg [L217] p21_old = nomsg [L218] p21_new = nomsg [L219] p23_old = nomsg [L220] p23_new = nomsg [L221] p31_old = nomsg [L222] p31_new = nomsg [L223] p32_old = nomsg [L224] p32_new = nomsg [L225] main__i2 = 0 [L227] COND FALSE !(!(mode1 == 0)) [L233] COND TRUE ((int)r1) < 2 [L235] COND FALSE !(!(ep12 == 0)) [L246] COND FALSE !(!(ep13 == 0)) [L257] mode1 = 1 [L259] COND FALSE !(!(mode2 == 0)) [L265] COND TRUE ((int)r2) < 2 [L267] COND FALSE !(!(ep21 == 0)) [L278] COND FALSE !(!(ep23 == 0)) [L289] mode2 = 1 [L291] COND FALSE !(!(mode3 == 0)) [L297] COND TRUE ((int)r3) < 2 [L299] COND FALSE !(!(ep31 == 0)) [L310] COND FALSE !(!(ep32 == 0)) [L321] mode3 = 1 [L322] p12_old = p12_new [L323] p12_new = nomsg [L324] p13_old = p13_new [L325] p13_new = nomsg [L326] p21_old = p21_new [L327] p21_new = nomsg [L328] p23_old = p23_new [L329] p23_new = nomsg [L330] p31_old = p31_new [L331] p31_new = nomsg [L332] p32_old = p32_new [L333] p32_new = nomsg [L335] int check__tmp; [L336] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L338] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L340] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L342] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L344] COND FALSE !(((int)r1) >= 2) [L350] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L352] COND TRUE ((int)r1) < 2 [L354] COND FALSE !(((int)r1) >= 2) [L360] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L362] COND TRUE ((int)r1) < 2 [L364] check__tmp = 1 [L365] __return_1846 = check__tmp [L366] main__c1 = __return_1846 [L368] _Bool __tmp_1; [L369] __tmp_1 = main__c1 [L370] _Bool assert__arg; [L371] assert__arg = __tmp_1 [L372] COND FALSE !(assert__arg == 0) [L379] COND TRUE !(mode1 == 0) [L381] COND FALSE !(r1 == 255) [L387] r1 = r1 + 1 [L388] COND FALSE !(!(ep21 == 0)) [L396] COND FALSE !(!(ep31 == 0)) [L404] COND FALSE !(((int)r1) == 2) [L410] mode1 = 0 [L412] COND TRUE !(mode2 == 0) [L414] COND FALSE !(r2 == 255) [L420] r2 = r2 + 1 [L421] COND FALSE !(!(ep12 == 0)) [L429] COND FALSE !(!(ep32 == 0)) [L437] COND FALSE !(((int)r2) == 2) [L443] mode2 = 0 [L445] COND TRUE !(mode3 == 0) [L447] COND FALSE !(r3 == 255) [L453] r3 = r3 + 1 [L454] COND FALSE !(!(ep13 == 0)) [L462] COND FALSE !(!(ep23 == 0)) [L470] COND FALSE !(((int)r3) == 2) [L476] mode3 = 0 [L477] p12_old = p12_new [L478] p12_new = nomsg [L479] p13_old = p13_new [L480] p13_new = nomsg [L481] p21_old = p21_new [L482] p21_new = nomsg [L483] p23_old = p23_new [L484] p23_new = nomsg [L485] p31_old = p31_new [L486] p31_new = nomsg [L487] p32_old = p32_new [L488] p32_new = nomsg [L490] int check__tmp; [L491] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L493] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L495] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L497] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L499] COND FALSE !(((int)r1) >= 2) [L505] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L507] COND TRUE ((int)r1) < 2 [L509] COND FALSE !(((int)r1) >= 2) [L515] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L517] COND TRUE ((int)r1) < 2 [L519] check__tmp = 1 [L520] __return_1964 = check__tmp [L521] main__c1 = __return_1964 [L523] _Bool __tmp_2; [L524] __tmp_2 = main__c1 [L525] _Bool assert__arg; [L526] assert__arg = __tmp_2 [L527] COND FALSE !(assert__arg == 0) [L534] COND FALSE !(!(mode1 == 0)) [L540] COND TRUE ((int)r1) < 2 [L542] COND FALSE !(!(ep12 == 0)) [L553] COND FALSE !(!(ep13 == 0)) [L564] mode1 = 1 [L566] COND FALSE !(!(mode2 == 0)) [L572] COND TRUE ((int)r2) < 2 [L574] COND FALSE !(!(ep21 == 0)) [L585] COND FALSE !(!(ep23 == 0)) [L596] mode2 = 1 [L598] COND FALSE !(!(mode3 == 0)) [L604] COND TRUE ((int)r3) < 2 [L606] COND FALSE !(!(ep31 == 0)) [L617] COND FALSE !(!(ep32 == 0)) [L628] mode3 = 1 [L629] p12_old = p12_new [L630] p12_new = nomsg [L631] p13_old = p13_new [L632] p13_new = nomsg [L633] p21_old = p21_new [L634] p21_new = nomsg [L635] p23_old = p23_new [L636] p23_new = nomsg [L637] p31_old = p31_new [L638] p31_new = nomsg [L639] p32_old = p32_new [L640] p32_new = nomsg [L642] int check__tmp; [L643] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L645] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L647] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L649] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L651] COND FALSE !(((int)r1) >= 2) [L657] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L659] COND TRUE ((int)r1) < 2 [L661] COND FALSE !(((int)r1) >= 2) [L667] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L669] COND TRUE ((int)r1) < 2 [L671] check__tmp = 1 [L672] __return_2082 = check__tmp [L673] main__c1 = __return_2082 [L675] _Bool __tmp_3; [L676] __tmp_3 = main__c1 [L677] _Bool assert__arg; [L678] assert__arg = __tmp_3 [L679] COND FALSE !(assert__arg == 0) [L686] COND TRUE !(mode1 == 0) [L688] COND FALSE !(r1 == 255) [L694] r1 = r1 + 1 [L695] COND FALSE !(!(ep21 == 0)) [L703] COND FALSE !(!(ep31 == 0)) [L711] COND TRUE ((int)r1) == 2 [L713] COND FALSE !(((int)max1) == ((int)id1)) [L1703] nl1 = 1 [L1704] mode1 = 0 [L1706] COND TRUE !(mode2 == 0) [L1708] COND FALSE !(r2 == 255) [L1714] r2 = r2 + 1 [L1715] COND FALSE !(!(ep12 == 0)) [L1723] COND FALSE !(!(ep32 == 0)) [L1731] COND TRUE ((int)r2) == 2 [L1733] COND TRUE ((int)max2) == ((int)id2) [L1735] st2 = 1 [L1736] mode2 = 0 [L1738] COND TRUE !(mode3 == 0) [L1740] COND FALSE !(r3 == 255) [L1746] r3 = r3 + 1 [L1747] COND FALSE !(!(ep13 == 0)) [L1755] COND FALSE !(!(ep23 == 0)) [L1763] COND TRUE ((int)r3) == 2 [L1765] COND TRUE ((int)max3) == ((int)id3) [L1767] st3 = 1 [L1768] mode3 = 0 [L1769] p12_old = p12_new [L1770] p12_new = nomsg [L1771] p13_old = p13_new [L1772] p13_new = nomsg [L1773] p21_old = p21_new [L1774] p21_new = nomsg [L1775] p23_old = p23_new [L1776] p23_new = nomsg [L1777] p31_old = p31_new [L1778] p31_new = nomsg [L1779] p32_old = p32_new [L1780] p32_new = nomsg [L1782] int check__tmp; [L1783] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1789] check__tmp = 0 [L1790] __return_2587 = check__tmp [L1791] main__c1 = __return_2587 [L1793] _Bool __tmp_8; [L1794] __tmp_8 = main__c1 [L1795] _Bool assert__arg; [L1796] assert__arg = __tmp_8 [L1797] COND TRUE assert__arg == 0 [L1799] __VERIFIER_error() - UnprovableResult [Line: 1031]: 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 p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1718; [L66] int __return_1846; [L67] int __return_1964; [L68] int __return_2082; [L69] int __return_2816; [L70] int __return_2785; [L71] int __return_2726; [L72] int __return_2692; [L73] int __return_2315; [L74] int __return_2587; [L75] int __return_2553; [L76] int __return_2473; [L77] int __return_2205; [L80] int main__c1; [L81] int main__i2; [L82] main__c1 = 0 [L83] ep12 = __VERIFIER_nondet_bool() [L84] ep13 = __VERIFIER_nondet_bool() [L85] ep21 = __VERIFIER_nondet_bool() [L86] ep23 = __VERIFIER_nondet_bool() [L87] ep31 = __VERIFIER_nondet_bool() [L88] ep32 = __VERIFIER_nondet_bool() [L89] id1 = __VERIFIER_nondet_char() [L90] r1 = __VERIFIER_nondet_uchar() [L91] st1 = __VERIFIER_nondet_char() [L92] nl1 = __VERIFIER_nondet_char() [L93] m1 = __VERIFIER_nondet_char() [L94] max1 = __VERIFIER_nondet_char() [L95] mode1 = __VERIFIER_nondet_bool() [L96] id2 = __VERIFIER_nondet_char() [L97] r2 = __VERIFIER_nondet_uchar() [L98] st2 = __VERIFIER_nondet_char() [L99] nl2 = __VERIFIER_nondet_char() [L100] m2 = __VERIFIER_nondet_char() [L101] max2 = __VERIFIER_nondet_char() [L102] mode2 = __VERIFIER_nondet_bool() [L103] id3 = __VERIFIER_nondet_char() [L104] r3 = __VERIFIER_nondet_uchar() [L105] st3 = __VERIFIER_nondet_char() [L106] nl3 = __VERIFIER_nondet_char() [L107] m3 = __VERIFIER_nondet_char() [L108] max3 = __VERIFIER_nondet_char() [L109] mode3 = __VERIFIER_nondet_bool() [L111] _Bool init__r121; [L112] _Bool init__r131; [L113] _Bool init__r211; [L114] _Bool init__r231; [L115] _Bool init__r311; [L116] _Bool init__r321; [L117] _Bool init__r122; [L118] int init__tmp; [L119] _Bool init__r132; [L120] int init__tmp___0; [L121] _Bool init__r212; [L122] int init__tmp___1; [L123] _Bool init__r232; [L124] int init__tmp___2; [L125] _Bool init__r312; [L126] int init__tmp___3; [L127] _Bool init__r322; [L128] int init__tmp___4; [L129] int init__tmp___5; [L130] init__r121 = ep12 [L131] init__r131 = ep13 [L132] init__r211 = ep21 [L133] init__r231 = ep23 [L134] init__r311 = ep31 [L135] init__r321 = ep32 [L136] COND TRUE !(init__r121 == 0) [L138] init__tmp = 1 [L140] init__r122 = (_Bool)init__tmp [L141] COND TRUE !(init__r131 == 0) [L143] init__tmp___0 = 1 [L145] init__r132 = (_Bool)init__tmp___0 [L146] COND TRUE !(init__r211 == 0) [L148] init__tmp___1 = 1 [L150] init__r212 = (_Bool)init__tmp___1 [L151] COND TRUE !(init__r231 == 0) [L153] init__tmp___2 = 1 [L155] init__r232 = (_Bool)init__tmp___2 [L156] COND TRUE !(init__r311 == 0) [L158] init__tmp___3 = 1 [L160] init__r312 = (_Bool)init__tmp___3 [L161] COND TRUE !(init__r321 == 0) [L163] init__tmp___4 = 1 [L165] init__r322 = (_Bool)init__tmp___4 [L166] COND TRUE ((int)id1) != ((int)id2) [L168] COND TRUE ((int)id1) != ((int)id3) [L170] COND TRUE ((int)id2) != ((int)id3) [L172] COND TRUE ((int)id1) >= 0 [L174] COND TRUE ((int)id2) >= 0 [L176] COND TRUE ((int)id3) >= 0 [L178] COND TRUE ((int)r1) == 0 [L180] COND TRUE ((int)r2) == 0 [L182] COND TRUE ((int)r3) == 0 [L184] COND TRUE ((int)max1) == ((int)id1) [L186] COND TRUE ((int)max2) == ((int)id2) [L188] COND TRUE ((int)max3) == ((int)id3) [L190] COND TRUE ((int)st1) == 0 [L192] COND TRUE ((int)st2) == 0 [L194] COND TRUE ((int)st3) == 0 [L196] COND TRUE ((int)nl1) == 0 [L198] COND TRUE ((int)nl2) == 0 [L200] COND TRUE ((int)nl3) == 0 [L202] COND TRUE ((int)mode1) == 0 [L204] COND TRUE ((int)mode2) == 0 [L206] COND TRUE ((int)mode3) == 0 [L208] init__tmp___5 = 1 [L209] __return_1718 = init__tmp___5 [L210] main__i2 = __return_1718 [L211] COND TRUE main__i2 != 0 [L213] p12_old = nomsg [L214] p12_new = nomsg [L215] p13_old = nomsg [L216] p13_new = nomsg [L217] p21_old = nomsg [L218] p21_new = nomsg [L219] p23_old = nomsg [L220] p23_new = nomsg [L221] p31_old = nomsg [L222] p31_new = nomsg [L223] p32_old = nomsg [L224] p32_new = nomsg [L225] main__i2 = 0 [L227] COND FALSE !(!(mode1 == 0)) [L233] COND TRUE ((int)r1) < 2 [L235] COND FALSE !(!(ep12 == 0)) [L246] COND FALSE !(!(ep13 == 0)) [L257] mode1 = 1 [L259] COND FALSE !(!(mode2 == 0)) [L265] COND TRUE ((int)r2) < 2 [L267] COND FALSE !(!(ep21 == 0)) [L278] COND FALSE !(!(ep23 == 0)) [L289] mode2 = 1 [L291] COND FALSE !(!(mode3 == 0)) [L297] COND TRUE ((int)r3) < 2 [L299] COND FALSE !(!(ep31 == 0)) [L310] COND FALSE !(!(ep32 == 0)) [L321] mode3 = 1 [L322] p12_old = p12_new [L323] p12_new = nomsg [L324] p13_old = p13_new [L325] p13_new = nomsg [L326] p21_old = p21_new [L327] p21_new = nomsg [L328] p23_old = p23_new [L329] p23_new = nomsg [L330] p31_old = p31_new [L331] p31_new = nomsg [L332] p32_old = p32_new [L333] p32_new = nomsg [L335] int check__tmp; [L336] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L338] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L340] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L342] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L344] COND FALSE !(((int)r1) >= 2) [L350] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L352] COND TRUE ((int)r1) < 2 [L354] COND FALSE !(((int)r1) >= 2) [L360] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L362] COND TRUE ((int)r1) < 2 [L364] check__tmp = 1 [L365] __return_1846 = check__tmp [L366] main__c1 = __return_1846 [L368] _Bool __tmp_1; [L369] __tmp_1 = main__c1 [L370] _Bool assert__arg; [L371] assert__arg = __tmp_1 [L372] COND FALSE !(assert__arg == 0) [L379] COND TRUE !(mode1 == 0) [L381] COND FALSE !(r1 == 255) [L387] r1 = r1 + 1 [L388] COND FALSE !(!(ep21 == 0)) [L396] COND FALSE !(!(ep31 == 0)) [L404] COND FALSE !(((int)r1) == 2) [L410] mode1 = 0 [L412] COND TRUE !(mode2 == 0) [L414] COND FALSE !(r2 == 255) [L420] r2 = r2 + 1 [L421] COND FALSE !(!(ep12 == 0)) [L429] COND FALSE !(!(ep32 == 0)) [L437] COND FALSE !(((int)r2) == 2) [L443] mode2 = 0 [L445] COND TRUE !(mode3 == 0) [L447] COND FALSE !(r3 == 255) [L453] r3 = r3 + 1 [L454] COND FALSE !(!(ep13 == 0)) [L462] COND FALSE !(!(ep23 == 0)) [L470] COND FALSE !(((int)r3) == 2) [L476] mode3 = 0 [L477] p12_old = p12_new [L478] p12_new = nomsg [L479] p13_old = p13_new [L480] p13_new = nomsg [L481] p21_old = p21_new [L482] p21_new = nomsg [L483] p23_old = p23_new [L484] p23_new = nomsg [L485] p31_old = p31_new [L486] p31_new = nomsg [L487] p32_old = p32_new [L488] p32_new = nomsg [L490] int check__tmp; [L491] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L493] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L495] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L497] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L499] COND FALSE !(((int)r1) >= 2) [L505] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L507] COND TRUE ((int)r1) < 2 [L509] COND FALSE !(((int)r1) >= 2) [L515] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L517] COND TRUE ((int)r1) < 2 [L519] check__tmp = 1 [L520] __return_1964 = check__tmp [L521] main__c1 = __return_1964 [L523] _Bool __tmp_2; [L524] __tmp_2 = main__c1 [L525] _Bool assert__arg; [L526] assert__arg = __tmp_2 [L527] COND FALSE !(assert__arg == 0) [L534] COND FALSE !(!(mode1 == 0)) [L540] COND TRUE ((int)r1) < 2 [L542] COND FALSE !(!(ep12 == 0)) [L553] COND FALSE !(!(ep13 == 0)) [L564] mode1 = 1 [L566] COND FALSE !(!(mode2 == 0)) [L572] COND TRUE ((int)r2) < 2 [L574] COND FALSE !(!(ep21 == 0)) [L585] COND FALSE !(!(ep23 == 0)) [L596] mode2 = 1 [L598] COND FALSE !(!(mode3 == 0)) [L604] COND TRUE ((int)r3) < 2 [L606] COND FALSE !(!(ep31 == 0)) [L617] COND FALSE !(!(ep32 == 0)) [L628] mode3 = 1 [L629] p12_old = p12_new [L630] p12_new = nomsg [L631] p13_old = p13_new [L632] p13_new = nomsg [L633] p21_old = p21_new [L634] p21_new = nomsg [L635] p23_old = p23_new [L636] p23_new = nomsg [L637] p31_old = p31_new [L638] p31_new = nomsg [L639] p32_old = p32_new [L640] p32_new = nomsg [L642] int check__tmp; [L643] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L645] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L647] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L649] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L651] COND FALSE !(((int)r1) >= 2) [L657] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L659] COND TRUE ((int)r1) < 2 [L661] COND FALSE !(((int)r1) >= 2) [L667] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L669] COND TRUE ((int)r1) < 2 [L671] check__tmp = 1 [L672] __return_2082 = check__tmp [L673] main__c1 = __return_2082 [L675] _Bool __tmp_3; [L676] __tmp_3 = main__c1 [L677] _Bool assert__arg; [L678] assert__arg = __tmp_3 [L679] COND FALSE !(assert__arg == 0) [L686] COND TRUE !(mode1 == 0) [L688] COND FALSE !(r1 == 255) [L694] r1 = r1 + 1 [L695] COND FALSE !(!(ep21 == 0)) [L703] COND FALSE !(!(ep31 == 0)) [L711] COND TRUE ((int)r1) == 2 [L713] COND FALSE !(((int)max1) == ((int)id1)) [L1703] nl1 = 1 [L1704] mode1 = 0 [L1706] COND TRUE !(mode2 == 0) [L1708] COND FALSE !(r2 == 255) [L1714] r2 = r2 + 1 [L1715] COND FALSE !(!(ep12 == 0)) [L1723] COND FALSE !(!(ep32 == 0)) [L1731] COND TRUE ((int)r2) == 2 [L1733] COND FALSE !(((int)max2) == ((int)id2)) [L1952] nl2 = 1 [L1953] mode2 = 0 [L1955] COND TRUE !(mode3 == 0) [L1957] COND FALSE !(r3 == 255) [L1963] r3 = r3 + 1 [L1964] COND FALSE !(!(ep13 == 0)) [L1972] COND FALSE !(!(ep23 == 0)) [L1980] COND TRUE ((int)r3) == 2 [L1982] COND FALSE !(((int)max3) == ((int)id3)) [L2091] nl3 = 1 [L2092] mode3 = 0 [L2093] p12_old = p12_new [L2094] p12_new = nomsg [L2095] p13_old = p13_new [L2096] p13_new = nomsg [L2097] p21_old = p21_new [L2098] p21_new = nomsg [L2099] p23_old = p23_new [L2100] p23_new = nomsg [L2101] p31_old = p31_new [L2102] p31_new = nomsg [L2103] p32_old = p32_new [L2104] p32_new = nomsg [L2106] int check__tmp; [L2107] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L2109] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L2111] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L2113] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L2115] COND TRUE ((int)r1) >= 2 [L2117] COND FALSE !(((int)r1) < 2) [L2123] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 1) [L2129] check__tmp = 0 [L2130] __return_2205 = check__tmp [L2131] main__c1 = __return_2205 [L1025] _Bool __tmp_7; [L1026] __tmp_7 = main__c1 [L1027] _Bool assert__arg; [L1028] assert__arg = __tmp_7 [L1029] COND TRUE assert__arg == 0 [L1031] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...