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_opt-floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:22:23,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:22:23,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:22:23,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:22:23,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:22:23,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:22:23,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:22:23,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:22:23,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:22:23,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:22:23,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:22:23,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:22:23,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:22:23,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:22:23,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:22:23,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:22:23,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:22:23,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:22:23,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:22:23,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:22:23,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:22:23,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:22:23,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:22:23,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:22:23,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:22:23,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:22:23,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:22:23,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:22:23,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:22:23,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:22:23,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:22:23,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:22:23,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:22:23,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:22:23,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:22:23,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:22:23,112 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 17:22:23,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:22:23,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:22:23,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:22:23,140 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:22:23,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:22:23,142 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:22:23,142 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:22:23,142 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:22:23,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:22:23,143 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:22:23,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:22:23,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:22:23,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:22:23,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:22:23,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:22:23,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:22:23,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:22:23,147 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:22:23,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:22:23,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:22:23,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:22:23,149 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:22:23,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:22:23,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:22:23,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:22:23,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:22:23,150 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:22:23,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:22:23,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:22:23,150 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:22:23,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:22:23,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:22:23,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:22:23,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:22:23,217 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:22:23,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-09-11 17:22:23,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23083a18/f04853c2cb4a44af8be70a73a54171b7/FLAG7534d9ae1 [2019-09-11 17:22:23,928 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:22:23,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-09-11 17:22:23,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23083a18/f04853c2cb4a44af8be70a73a54171b7/FLAG7534d9ae1 [2019-09-11 17:22:24,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d23083a18/f04853c2cb4a44af8be70a73a54171b7 [2019-09-11 17:22:24,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:22:24,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:22:24,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:22:24,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:22:24,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:22:24,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:22:24" (1/1) ... [2019-09-11 17:22:24,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585b6776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:24, skipping insertion in model container [2019-09-11 17:22:24,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:22:24" (1/1) ... [2019-09-11 17:22:24,174 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:22:24,245 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:22:24,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:22:24,894 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:22:25,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:22:25,361 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:22:25,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25 WrapperNode [2019-09-11 17:22:25,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:22:25,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:22:25,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:22:25,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:22:25,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (1/1) ... [2019-09-11 17:22:25,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (1/1) ... [2019-09-11 17:22:25,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (1/1) ... [2019-09-11 17:22:25,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (1/1) ... [2019-09-11 17:22:25,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (1/1) ... [2019-09-11 17:22:25,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (1/1) ... [2019-09-11 17:22:25,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (1/1) ... [2019-09-11 17:22:25,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:22:25,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:22:25,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:22:25,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:22:25,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:25" (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 17:22:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:22:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:22:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:22:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:22:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:22:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:22:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:22:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:22:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:22:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:22:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:22:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:22:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:22:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:22:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:22:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:22:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:22:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:22:27,542 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:22:27,543 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:22:27,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:22:27 BoogieIcfgContainer [2019-09-11 17:22:27,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:22:27,545 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:22:27,545 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:22:27,546 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:22:27,547 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:22:27" (1/1) ... [2019-09-11 17:22:27,594 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:22:27,811 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:22:37,841 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:22:37,972 INFO L272 AbstractInterpreter]: Visited 716 different actions 14401 times. Merged at 470 different actions 7701 times. Widened at 111 different actions 987 times. Performed 50903 root evaluator evaluations with a maximum evaluation depth of 5. Performed 50903 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3356 fixpoints after 265 different actions. Largest state had 261 variables. [2019-09-11 17:22:37,973 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:22:37,976 INFO L168 Benchmark]: Toolchain (without parser) took 13819.11 ms. Allocated memory was 137.4 MB in the beginning and 776.5 MB in the end (delta: 639.1 MB). Free memory was 85.7 MB in the beginning and 623.4 MB in the end (delta: -537.6 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:37,977 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:22:37,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1205.61 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 85.3 MB in the beginning and 156.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:37,979 INFO L168 Benchmark]: Boogie Preprocessor took 103.28 ms. Allocated memory is still 201.9 MB. Free memory was 156.0 MB in the beginning and 150.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:37,980 INFO L168 Benchmark]: RCFGBuilder took 2078.33 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 150.4 MB in the beginning and 93.9 MB in the end (delta: 56.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:37,981 INFO L168 Benchmark]: Abstract Interpretation took 10427.77 ms. Allocated memory was 228.6 MB in the beginning and 776.5 MB in the end (delta: 547.9 MB). Free memory was 93.9 MB in the beginning and 623.4 MB in the end (delta: -529.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:37,985 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1205.61 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 85.3 MB in the beginning and 156.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.28 ms. Allocated memory is still 201.9 MB. Free memory was 156.0 MB in the beginning and 150.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2078.33 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 150.4 MB in the beginning and 93.9 MB in the end (delta: 56.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 10427.77 ms. Allocated memory was 228.6 MB in the beginning and 776.5 MB in the end (delta: 547.9 MB). Free memory was 93.9 MB in the beginning and 623.4 MB in the end (delta: -529.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1905]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] _Bool newmax1 = 0; [L44] char id2 = '\x0'; [L45] char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] _Bool newmax2 = 0; [L52] char id3 = '\x0'; [L53] char r3 = '\x0'; [L54] char st3 = '\x0'; [L55] char nl3 = '\x0'; [L56] char m3 = '\x0'; [L57] char max3 = '\x0'; [L58] _Bool mode3 = 0; [L59] _Bool newmax3 = 0; [L63] void (*nodes[3])() = { &node1, &node2, &node3 }; [L67] int __return_1887; [L68] int __return_2033; [L69] int __return_2166; [L70] int __return_2305; [L71] int __return_3093; [L72] int __return_3062; [L73] int __return_2999; [L74] int __return_2965; [L75] int __tmp_2444_0; [L76] int __return_2567; [L77] int __return_2457; [L78] int __return_2852; [L79] int __return_2818; [L80] int __return_2734; [L81] int __return_2443; [L84] int main__c1; [L85] int main__i2; [L86] main__c1 = 0 [L87] ep12 = __VERIFIER_nondet_bool() [L88] ep13 = __VERIFIER_nondet_bool() [L89] ep21 = __VERIFIER_nondet_bool() [L90] ep23 = __VERIFIER_nondet_bool() [L91] ep31 = __VERIFIER_nondet_bool() [L92] ep32 = __VERIFIER_nondet_bool() [L93] id1 = __VERIFIER_nondet_char() [L94] r1 = __VERIFIER_nondet_char() [L95] st1 = __VERIFIER_nondet_char() [L96] nl1 = __VERIFIER_nondet_char() [L97] m1 = __VERIFIER_nondet_char() [L98] max1 = __VERIFIER_nondet_char() [L99] mode1 = __VERIFIER_nondet_bool() [L100] newmax1 = __VERIFIER_nondet_bool() [L101] id2 = __VERIFIER_nondet_char() [L102] r2 = __VERIFIER_nondet_char() [L103] st2 = __VERIFIER_nondet_char() [L104] nl2 = __VERIFIER_nondet_char() [L105] m2 = __VERIFIER_nondet_char() [L106] max2 = __VERIFIER_nondet_char() [L107] mode2 = __VERIFIER_nondet_bool() [L108] newmax2 = __VERIFIER_nondet_bool() [L109] id3 = __VERIFIER_nondet_char() [L110] r3 = __VERIFIER_nondet_char() [L111] st3 = __VERIFIER_nondet_char() [L112] nl3 = __VERIFIER_nondet_char() [L113] m3 = __VERIFIER_nondet_char() [L114] max3 = __VERIFIER_nondet_char() [L115] mode3 = __VERIFIER_nondet_bool() [L116] newmax3 = __VERIFIER_nondet_bool() [L118] _Bool init__r121; [L119] _Bool init__r131; [L120] _Bool init__r211; [L121] _Bool init__r231; [L122] _Bool init__r311; [L123] _Bool init__r321; [L124] _Bool init__r122; [L125] int init__tmp; [L126] _Bool init__r132; [L127] int init__tmp___0; [L128] _Bool init__r212; [L129] int init__tmp___1; [L130] _Bool init__r232; [L131] int init__tmp___2; [L132] _Bool init__r312; [L133] int init__tmp___3; [L134] _Bool init__r322; [L135] int init__tmp___4; [L136] int init__tmp___5; [L137] init__r121 = ep12 [L138] init__r131 = ep13 [L139] init__r211 = ep21 [L140] init__r231 = ep23 [L141] init__r311 = ep31 [L142] init__r321 = ep32 [L143] COND TRUE !(init__r121 == 0) [L145] init__tmp = 1 [L147] init__r122 = (_Bool)init__tmp [L148] COND TRUE !(init__r131 == 0) [L150] init__tmp___0 = 1 [L152] init__r132 = (_Bool)init__tmp___0 [L153] COND TRUE !(init__r211 == 0) [L155] init__tmp___1 = 1 [L157] init__r212 = (_Bool)init__tmp___1 [L158] COND TRUE !(init__r231 == 0) [L160] init__tmp___2 = 1 [L162] init__r232 = (_Bool)init__tmp___2 [L163] COND TRUE !(init__r311 == 0) [L165] init__tmp___3 = 1 [L167] init__r312 = (_Bool)init__tmp___3 [L168] COND TRUE !(init__r321 == 0) [L170] init__tmp___4 = 1 [L172] init__r322 = (_Bool)init__tmp___4 [L173] COND TRUE ((int)id1) != ((int)id2) [L175] COND TRUE ((int)id1) != ((int)id3) [L177] COND TRUE ((int)id2) != ((int)id3) [L179] COND TRUE ((int)id1) >= 0 [L181] COND TRUE ((int)id2) >= 0 [L183] COND TRUE ((int)id3) >= 0 [L185] COND TRUE ((int)r1) == 0 [L187] COND TRUE ((int)r2) == 0 [L189] COND TRUE ((int)r3) == 0 [L191] COND TRUE !(init__r122 == 0) [L193] COND TRUE !(init__r132 == 0) [L195] COND TRUE !(init__r212 == 0) [L197] COND TRUE !(init__r232 == 0) [L199] COND TRUE !(init__r312 == 0) [L201] COND TRUE !(init__r322 == 0) [L203] COND TRUE ((int)max1) == ((int)id1) [L205] COND TRUE ((int)max2) == ((int)id2) [L207] COND TRUE ((int)max3) == ((int)id3) [L209] COND TRUE ((int)st1) == 0 [L211] COND TRUE ((int)st2) == 0 [L213] COND TRUE ((int)st3) == 0 [L215] COND TRUE ((int)nl1) == 0 [L217] COND TRUE ((int)nl2) == 0 [L219] COND TRUE ((int)nl3) == 0 [L221] COND TRUE ((int)mode1) == 0 [L223] COND TRUE ((int)mode2) == 0 [L225] COND TRUE ((int)mode3) == 0 [L227] COND TRUE !(newmax1 == 0) [L229] COND TRUE !(newmax2 == 0) [L231] COND TRUE !(newmax3 == 0) [L233] init__tmp___5 = 1 [L234] __return_1887 = init__tmp___5 [L235] main__i2 = __return_1887 [L236] COND TRUE main__i2 != 0 [L238] p12_old = nomsg [L239] p12_new = nomsg [L240] p13_old = nomsg [L241] p13_new = nomsg [L242] p21_old = nomsg [L243] p21_new = nomsg [L244] p23_old = nomsg [L245] p23_new = nomsg [L246] p31_old = nomsg [L247] p31_new = nomsg [L248] p32_old = nomsg [L249] p32_new = nomsg [L250] main__i2 = 0 [L251] COND TRUE main__i2 < 6 [L254] _Bool node1__newmax; [L255] node1__newmax = 0 [L256] COND FALSE !(!(mode1 == 0)) [L262] COND TRUE ((int)r1) < 2 [L264] COND FALSE !(!(ep12 == 0)) [L277] COND FALSE !(!(ep13 == 0)) [L290] mode1 = 1 [L292] _Bool node2__newmax; [L293] node2__newmax = 0 [L294] COND FALSE !(!(mode2 == 0)) [L300] COND TRUE ((int)r2) < 2 [L302] COND FALSE !(!(ep21 == 0)) [L315] COND FALSE !(!(ep23 == 0)) [L328] mode2 = 1 [L330] _Bool node3__newmax; [L331] node3__newmax = 0 [L332] COND FALSE !(!(mode3 == 0)) [L338] COND TRUE ((int)r3) < 2 [L340] COND FALSE !(!(ep31 == 0)) [L353] COND FALSE !(!(ep32 == 0)) [L366] mode3 = 1 [L367] p12_old = p12_new [L368] p12_new = nomsg [L369] p13_old = p13_new [L370] p13_new = nomsg [L371] p21_old = p21_new [L372] p21_new = nomsg [L373] p23_old = p23_new [L374] p23_new = nomsg [L375] p31_old = p31_new [L376] p31_new = nomsg [L377] p32_old = p32_new [L378] p32_new = nomsg [L380] int check__tmp; [L381] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L389] COND FALSE !(((int)r1) >= 2) [L395] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L397] COND TRUE ((int)r1) < 2 [L399] COND FALSE !(((int)r1) >= 2) [L405] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L407] COND TRUE ((int)r1) < 2 [L409] check__tmp = 1 [L410] __return_2033 = check__tmp [L411] main__c1 = __return_2033 [L413] _Bool __tmp_1; [L414] __tmp_1 = main__c1 [L415] _Bool assert__arg; [L416] assert__arg = __tmp_1 [L417] COND FALSE !(assert__arg == 0) [L423] int main____CPAchecker_TMP_0 = main__i2; [L424] main__i2 = main__i2 + 1 [L425] COND TRUE main__i2 < 6 [L428] _Bool node1__newmax; [L429] node1__newmax = 0 [L430] COND TRUE !(mode1 == 0) [L432] r1 = (char)(((int)r1) + 1) [L433] COND FALSE !(!(ep21 == 0)) [L442] COND FALSE !(!(ep31 == 0)) [L451] newmax1 = node1__newmax [L452] COND FALSE !(((int)r1) == 2) [L458] mode1 = 0 [L460] _Bool node2__newmax; [L461] node2__newmax = 0 [L462] COND TRUE !(mode2 == 0) [L464] r2 = (char)(((int)r2) + 1) [L465] COND FALSE !(!(ep12 == 0)) [L474] COND FALSE !(!(ep32 == 0)) [L483] newmax2 = node2__newmax [L484] COND FALSE !(((int)r2) == 2) [L490] mode2 = 0 [L492] _Bool node3__newmax; [L493] node3__newmax = 0 [L494] COND TRUE !(mode3 == 0) [L496] r3 = (char)(((int)r3) + 1) [L497] COND FALSE !(!(ep13 == 0)) [L506] COND FALSE !(!(ep23 == 0)) [L515] newmax3 = node3__newmax [L516] COND FALSE !(((int)r3) == 2) [L522] mode3 = 0 [L523] p12_old = p12_new [L524] p12_new = nomsg [L525] p13_old = p13_new [L526] p13_new = nomsg [L527] p21_old = p21_new [L528] p21_new = nomsg [L529] p23_old = p23_new [L530] p23_new = nomsg [L531] p31_old = p31_new [L532] p31_new = nomsg [L533] p32_old = p32_new [L534] p32_new = nomsg [L536] int check__tmp; [L537] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L539] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L541] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L543] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L545] COND FALSE !(((int)r1) >= 2) [L551] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L553] COND TRUE ((int)r1) < 2 [L555] COND FALSE !(((int)r1) >= 2) [L561] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L563] COND TRUE ((int)r1) < 2 [L565] check__tmp = 1 [L566] __return_2166 = check__tmp [L567] main__c1 = __return_2166 [L569] _Bool __tmp_2; [L570] __tmp_2 = main__c1 [L571] _Bool assert__arg; [L572] assert__arg = __tmp_2 [L573] COND FALSE !(assert__arg == 0) [L579] int main____CPAchecker_TMP_0 = main__i2; [L580] main__i2 = main__i2 + 1 [L581] COND TRUE main__i2 < 6 [L584] _Bool node1__newmax; [L585] node1__newmax = 0 [L586] COND FALSE !(!(mode1 == 0)) [L592] COND TRUE ((int)r1) < 2 [L594] COND FALSE !(!(ep12 == 0)) [L607] COND FALSE !(!(ep13 == 0)) [L620] mode1 = 1 [L622] _Bool node2__newmax; [L623] node2__newmax = 0 [L624] COND FALSE !(!(mode2 == 0)) [L630] COND TRUE ((int)r2) < 2 [L632] COND FALSE !(!(ep21 == 0)) [L645] COND FALSE !(!(ep23 == 0)) [L658] mode2 = 1 [L660] _Bool node3__newmax; [L661] node3__newmax = 0 [L662] COND FALSE !(!(mode3 == 0)) [L668] COND TRUE ((int)r3) < 2 [L670] COND FALSE !(!(ep31 == 0)) [L683] COND FALSE !(!(ep32 == 0)) [L696] mode3 = 1 [L697] p12_old = p12_new [L698] p12_new = nomsg [L699] p13_old = p13_new [L700] p13_new = nomsg [L701] p21_old = p21_new [L702] p21_new = nomsg [L703] p23_old = p23_new [L704] p23_new = nomsg [L705] p31_old = p31_new [L706] p31_new = nomsg [L707] p32_old = p32_new [L708] p32_new = nomsg [L710] int check__tmp; [L711] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L713] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L715] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L717] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L719] COND FALSE !(((int)r1) >= 2) [L725] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L727] COND TRUE ((int)r1) < 2 [L729] COND FALSE !(((int)r1) >= 2) [L735] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L737] COND TRUE ((int)r1) < 2 [L739] check__tmp = 1 [L740] __return_2305 = check__tmp [L741] main__c1 = __return_2305 [L743] _Bool __tmp_3; [L744] __tmp_3 = main__c1 [L745] _Bool assert__arg; [L746] assert__arg = __tmp_3 [L747] COND FALSE !(assert__arg == 0) [L753] int main____CPAchecker_TMP_0 = main__i2; [L754] main__i2 = main__i2 + 1 [L755] COND TRUE main__i2 < 6 [L758] _Bool node1__newmax; [L759] node1__newmax = 0 [L760] COND TRUE !(mode1 == 0) [L762] r1 = (char)(((int)r1) + 1) [L763] COND FALSE !(!(ep21 == 0)) [L772] COND FALSE !(!(ep31 == 0)) [L781] newmax1 = node1__newmax [L782] COND TRUE ((int)r1) == 2 [L784] COND FALSE !(((int)max1) == ((int)id1)) [L1811] nl1 = 1 [L1812] mode1 = 0 [L1814] _Bool node2__newmax; [L1815] node2__newmax = 0 [L1816] COND TRUE !(mode2 == 0) [L1818] r2 = (char)(((int)r2) + 1) [L1819] COND FALSE !(!(ep12 == 0)) [L1828] COND FALSE !(!(ep32 == 0)) [L1837] newmax2 = node2__newmax [L1838] COND TRUE ((int)r2) == 2 [L1840] COND TRUE ((int)max2) == ((int)id2) [L1842] st2 = 1 [L1843] mode2 = 0 [L1845] _Bool node3__newmax; [L1846] node3__newmax = 0 [L1847] COND TRUE !(mode3 == 0) [L1849] r3 = (char)(((int)r3) + 1) [L1850] COND FALSE !(!(ep13 == 0)) [L1859] COND FALSE !(!(ep23 == 0)) [L1868] newmax3 = node3__newmax [L1869] COND TRUE ((int)r3) == 2 [L1871] COND TRUE ((int)max3) == ((int)id3) [L1873] st3 = 1 [L1874] mode3 = 0 [L1875] p12_old = p12_new [L1876] p12_new = nomsg [L1877] p13_old = p13_new [L1878] p13_new = nomsg [L1879] p21_old = p21_new [L1880] p21_new = nomsg [L1881] p23_old = p23_new [L1882] p23_new = nomsg [L1883] p31_old = p31_new [L1884] p31_new = nomsg [L1885] p32_old = p32_new [L1886] p32_new = nomsg [L1888] int check__tmp; [L1889] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1895] check__tmp = 0 [L1896] __return_2852 = check__tmp [L1897] main__c1 = __return_2852 [L1899] _Bool __tmp_8; [L1900] __tmp_8 = main__c1 [L1901] _Bool assert__arg; [L1902] assert__arg = __tmp_8 [L1903] COND TRUE assert__arg == 0 [L1905] __VERIFIER_error() - UnprovableResult [Line: 1033]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] _Bool newmax1 = 0; [L44] char id2 = '\x0'; [L45] char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] _Bool newmax2 = 0; [L52] char id3 = '\x0'; [L53] char r3 = '\x0'; [L54] char st3 = '\x0'; [L55] char nl3 = '\x0'; [L56] char m3 = '\x0'; [L57] char max3 = '\x0'; [L58] _Bool mode3 = 0; [L59] _Bool newmax3 = 0; [L63] void (*nodes[3])() = { &node1, &node2, &node3 }; [L67] int __return_1887; [L68] int __return_2033; [L69] int __return_2166; [L70] int __return_2305; [L71] int __return_3093; [L72] int __return_3062; [L73] int __return_2999; [L74] int __return_2965; [L75] int __tmp_2444_0; [L76] int __return_2567; [L77] int __return_2457; [L78] int __return_2852; [L79] int __return_2818; [L80] int __return_2734; [L81] int __return_2443; [L84] int main__c1; [L85] int main__i2; [L86] main__c1 = 0 [L87] ep12 = __VERIFIER_nondet_bool() [L88] ep13 = __VERIFIER_nondet_bool() [L89] ep21 = __VERIFIER_nondet_bool() [L90] ep23 = __VERIFIER_nondet_bool() [L91] ep31 = __VERIFIER_nondet_bool() [L92] ep32 = __VERIFIER_nondet_bool() [L93] id1 = __VERIFIER_nondet_char() [L94] r1 = __VERIFIER_nondet_char() [L95] st1 = __VERIFIER_nondet_char() [L96] nl1 = __VERIFIER_nondet_char() [L97] m1 = __VERIFIER_nondet_char() [L98] max1 = __VERIFIER_nondet_char() [L99] mode1 = __VERIFIER_nondet_bool() [L100] newmax1 = __VERIFIER_nondet_bool() [L101] id2 = __VERIFIER_nondet_char() [L102] r2 = __VERIFIER_nondet_char() [L103] st2 = __VERIFIER_nondet_char() [L104] nl2 = __VERIFIER_nondet_char() [L105] m2 = __VERIFIER_nondet_char() [L106] max2 = __VERIFIER_nondet_char() [L107] mode2 = __VERIFIER_nondet_bool() [L108] newmax2 = __VERIFIER_nondet_bool() [L109] id3 = __VERIFIER_nondet_char() [L110] r3 = __VERIFIER_nondet_char() [L111] st3 = __VERIFIER_nondet_char() [L112] nl3 = __VERIFIER_nondet_char() [L113] m3 = __VERIFIER_nondet_char() [L114] max3 = __VERIFIER_nondet_char() [L115] mode3 = __VERIFIER_nondet_bool() [L116] newmax3 = __VERIFIER_nondet_bool() [L118] _Bool init__r121; [L119] _Bool init__r131; [L120] _Bool init__r211; [L121] _Bool init__r231; [L122] _Bool init__r311; [L123] _Bool init__r321; [L124] _Bool init__r122; [L125] int init__tmp; [L126] _Bool init__r132; [L127] int init__tmp___0; [L128] _Bool init__r212; [L129] int init__tmp___1; [L130] _Bool init__r232; [L131] int init__tmp___2; [L132] _Bool init__r312; [L133] int init__tmp___3; [L134] _Bool init__r322; [L135] int init__tmp___4; [L136] int init__tmp___5; [L137] init__r121 = ep12 [L138] init__r131 = ep13 [L139] init__r211 = ep21 [L140] init__r231 = ep23 [L141] init__r311 = ep31 [L142] init__r321 = ep32 [L143] COND TRUE !(init__r121 == 0) [L145] init__tmp = 1 [L147] init__r122 = (_Bool)init__tmp [L148] COND TRUE !(init__r131 == 0) [L150] init__tmp___0 = 1 [L152] init__r132 = (_Bool)init__tmp___0 [L153] COND TRUE !(init__r211 == 0) [L155] init__tmp___1 = 1 [L157] init__r212 = (_Bool)init__tmp___1 [L158] COND TRUE !(init__r231 == 0) [L160] init__tmp___2 = 1 [L162] init__r232 = (_Bool)init__tmp___2 [L163] COND TRUE !(init__r311 == 0) [L165] init__tmp___3 = 1 [L167] init__r312 = (_Bool)init__tmp___3 [L168] COND TRUE !(init__r321 == 0) [L170] init__tmp___4 = 1 [L172] init__r322 = (_Bool)init__tmp___4 [L173] COND TRUE ((int)id1) != ((int)id2) [L175] COND TRUE ((int)id1) != ((int)id3) [L177] COND TRUE ((int)id2) != ((int)id3) [L179] COND TRUE ((int)id1) >= 0 [L181] COND TRUE ((int)id2) >= 0 [L183] COND TRUE ((int)id3) >= 0 [L185] COND TRUE ((int)r1) == 0 [L187] COND TRUE ((int)r2) == 0 [L189] COND TRUE ((int)r3) == 0 [L191] COND TRUE !(init__r122 == 0) [L193] COND TRUE !(init__r132 == 0) [L195] COND TRUE !(init__r212 == 0) [L197] COND TRUE !(init__r232 == 0) [L199] COND TRUE !(init__r312 == 0) [L201] COND TRUE !(init__r322 == 0) [L203] COND TRUE ((int)max1) == ((int)id1) [L205] COND TRUE ((int)max2) == ((int)id2) [L207] COND TRUE ((int)max3) == ((int)id3) [L209] COND TRUE ((int)st1) == 0 [L211] COND TRUE ((int)st2) == 0 [L213] COND TRUE ((int)st3) == 0 [L215] COND TRUE ((int)nl1) == 0 [L217] COND TRUE ((int)nl2) == 0 [L219] COND TRUE ((int)nl3) == 0 [L221] COND TRUE ((int)mode1) == 0 [L223] COND TRUE ((int)mode2) == 0 [L225] COND TRUE ((int)mode3) == 0 [L227] COND TRUE !(newmax1 == 0) [L229] COND TRUE !(newmax2 == 0) [L231] COND TRUE !(newmax3 == 0) [L233] init__tmp___5 = 1 [L234] __return_1887 = init__tmp___5 [L235] main__i2 = __return_1887 [L236] COND TRUE main__i2 != 0 [L238] p12_old = nomsg [L239] p12_new = nomsg [L240] p13_old = nomsg [L241] p13_new = nomsg [L242] p21_old = nomsg [L243] p21_new = nomsg [L244] p23_old = nomsg [L245] p23_new = nomsg [L246] p31_old = nomsg [L247] p31_new = nomsg [L248] p32_old = nomsg [L249] p32_new = nomsg [L250] main__i2 = 0 [L251] COND TRUE main__i2 < 6 [L254] _Bool node1__newmax; [L255] node1__newmax = 0 [L256] COND FALSE !(!(mode1 == 0)) [L262] COND TRUE ((int)r1) < 2 [L264] COND FALSE !(!(ep12 == 0)) [L277] COND FALSE !(!(ep13 == 0)) [L290] mode1 = 1 [L292] _Bool node2__newmax; [L293] node2__newmax = 0 [L294] COND FALSE !(!(mode2 == 0)) [L300] COND TRUE ((int)r2) < 2 [L302] COND FALSE !(!(ep21 == 0)) [L315] COND FALSE !(!(ep23 == 0)) [L328] mode2 = 1 [L330] _Bool node3__newmax; [L331] node3__newmax = 0 [L332] COND FALSE !(!(mode3 == 0)) [L338] COND TRUE ((int)r3) < 2 [L340] COND FALSE !(!(ep31 == 0)) [L353] COND FALSE !(!(ep32 == 0)) [L366] mode3 = 1 [L367] p12_old = p12_new [L368] p12_new = nomsg [L369] p13_old = p13_new [L370] p13_new = nomsg [L371] p21_old = p21_new [L372] p21_new = nomsg [L373] p23_old = p23_new [L374] p23_new = nomsg [L375] p31_old = p31_new [L376] p31_new = nomsg [L377] p32_old = p32_new [L378] p32_new = nomsg [L380] int check__tmp; [L381] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L389] COND FALSE !(((int)r1) >= 2) [L395] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L397] COND TRUE ((int)r1) < 2 [L399] COND FALSE !(((int)r1) >= 2) [L405] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L407] COND TRUE ((int)r1) < 2 [L409] check__tmp = 1 [L410] __return_2033 = check__tmp [L411] main__c1 = __return_2033 [L413] _Bool __tmp_1; [L414] __tmp_1 = main__c1 [L415] _Bool assert__arg; [L416] assert__arg = __tmp_1 [L417] COND FALSE !(assert__arg == 0) [L423] int main____CPAchecker_TMP_0 = main__i2; [L424] main__i2 = main__i2 + 1 [L425] COND TRUE main__i2 < 6 [L428] _Bool node1__newmax; [L429] node1__newmax = 0 [L430] COND TRUE !(mode1 == 0) [L432] r1 = (char)(((int)r1) + 1) [L433] COND FALSE !(!(ep21 == 0)) [L442] COND FALSE !(!(ep31 == 0)) [L451] newmax1 = node1__newmax [L452] COND FALSE !(((int)r1) == 2) [L458] mode1 = 0 [L460] _Bool node2__newmax; [L461] node2__newmax = 0 [L462] COND TRUE !(mode2 == 0) [L464] r2 = (char)(((int)r2) + 1) [L465] COND FALSE !(!(ep12 == 0)) [L474] COND FALSE !(!(ep32 == 0)) [L483] newmax2 = node2__newmax [L484] COND FALSE !(((int)r2) == 2) [L490] mode2 = 0 [L492] _Bool node3__newmax; [L493] node3__newmax = 0 [L494] COND TRUE !(mode3 == 0) [L496] r3 = (char)(((int)r3) + 1) [L497] COND FALSE !(!(ep13 == 0)) [L506] COND FALSE !(!(ep23 == 0)) [L515] newmax3 = node3__newmax [L516] COND FALSE !(((int)r3) == 2) [L522] mode3 = 0 [L523] p12_old = p12_new [L524] p12_new = nomsg [L525] p13_old = p13_new [L526] p13_new = nomsg [L527] p21_old = p21_new [L528] p21_new = nomsg [L529] p23_old = p23_new [L530] p23_new = nomsg [L531] p31_old = p31_new [L532] p31_new = nomsg [L533] p32_old = p32_new [L534] p32_new = nomsg [L536] int check__tmp; [L537] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L539] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L541] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L543] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L545] COND FALSE !(((int)r1) >= 2) [L551] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L553] COND TRUE ((int)r1) < 2 [L555] COND FALSE !(((int)r1) >= 2) [L561] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L563] COND TRUE ((int)r1) < 2 [L565] check__tmp = 1 [L566] __return_2166 = check__tmp [L567] main__c1 = __return_2166 [L569] _Bool __tmp_2; [L570] __tmp_2 = main__c1 [L571] _Bool assert__arg; [L572] assert__arg = __tmp_2 [L573] COND FALSE !(assert__arg == 0) [L579] int main____CPAchecker_TMP_0 = main__i2; [L580] main__i2 = main__i2 + 1 [L581] COND TRUE main__i2 < 6 [L584] _Bool node1__newmax; [L585] node1__newmax = 0 [L586] COND FALSE !(!(mode1 == 0)) [L592] COND TRUE ((int)r1) < 2 [L594] COND FALSE !(!(ep12 == 0)) [L607] COND FALSE !(!(ep13 == 0)) [L620] mode1 = 1 [L622] _Bool node2__newmax; [L623] node2__newmax = 0 [L624] COND FALSE !(!(mode2 == 0)) [L630] COND TRUE ((int)r2) < 2 [L632] COND FALSE !(!(ep21 == 0)) [L645] COND FALSE !(!(ep23 == 0)) [L658] mode2 = 1 [L660] _Bool node3__newmax; [L661] node3__newmax = 0 [L662] COND FALSE !(!(mode3 == 0)) [L668] COND TRUE ((int)r3) < 2 [L670] COND FALSE !(!(ep31 == 0)) [L683] COND FALSE !(!(ep32 == 0)) [L696] mode3 = 1 [L697] p12_old = p12_new [L698] p12_new = nomsg [L699] p13_old = p13_new [L700] p13_new = nomsg [L701] p21_old = p21_new [L702] p21_new = nomsg [L703] p23_old = p23_new [L704] p23_new = nomsg [L705] p31_old = p31_new [L706] p31_new = nomsg [L707] p32_old = p32_new [L708] p32_new = nomsg [L710] int check__tmp; [L711] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L713] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L715] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L717] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L719] COND FALSE !(((int)r1) >= 2) [L725] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L727] COND TRUE ((int)r1) < 2 [L729] COND FALSE !(((int)r1) >= 2) [L735] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L737] COND TRUE ((int)r1) < 2 [L739] check__tmp = 1 [L740] __return_2305 = check__tmp [L741] main__c1 = __return_2305 [L743] _Bool __tmp_3; [L744] __tmp_3 = main__c1 [L745] _Bool assert__arg; [L746] assert__arg = __tmp_3 [L747] COND FALSE !(assert__arg == 0) [L753] int main____CPAchecker_TMP_0 = main__i2; [L754] main__i2 = main__i2 + 1 [L755] COND TRUE main__i2 < 6 [L758] _Bool node1__newmax; [L759] node1__newmax = 0 [L760] COND TRUE !(mode1 == 0) [L762] r1 = (char)(((int)r1) + 1) [L763] COND FALSE !(!(ep21 == 0)) [L772] COND FALSE !(!(ep31 == 0)) [L781] newmax1 = node1__newmax [L782] COND TRUE ((int)r1) == 2 [L784] COND TRUE ((int)max1) == ((int)id1) [L786] st1 = 1 [L787] mode1 = 0 [L789] _Bool node2__newmax; [L790] node2__newmax = 0 [L791] COND TRUE !(mode2 == 0) [L793] r2 = (char)(((int)r2) + 1) [L794] COND FALSE !(!(ep12 == 0)) [L803] COND FALSE !(!(ep32 == 0)) [L812] newmax2 = node2__newmax [L813] COND TRUE ((int)r2) == 2 [L815] COND FALSE !(((int)max2) == ((int)id2)) [L970] nl2 = 1 [L971] mode2 = 0 [L973] _Bool node3__newmax; [L974] node3__newmax = 0 [L975] COND TRUE !(mode3 == 0) [L977] r3 = (char)(((int)r3) + 1) [L978] COND FALSE !(!(ep13 == 0)) [L987] COND FALSE !(!(ep23 == 0)) [L996] newmax3 = node3__newmax [L997] COND TRUE ((int)r3) == 2 [L999] COND TRUE ((int)max3) == ((int)id3) [L1001] st3 = 1 [L1002] mode3 = 0 [L1003] p12_old = p12_new [L1004] p12_new = nomsg [L1005] p13_old = p13_new [L1006] p13_new = nomsg [L1007] p21_old = p21_new [L1008] p21_new = nomsg [L1009] p23_old = p23_new [L1010] p23_new = nomsg [L1011] p31_old = p31_new [L1012] p31_new = nomsg [L1013] p32_old = p32_new [L1014] p32_new = nomsg [L1016] int check__tmp; [L1017] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1023] check__tmp = 0 [L1024] __return_2999 = check__tmp [L1025] main__c1 = __return_2999 [L1027] _Bool __tmp_6; [L1028] __tmp_6 = main__c1 [L1029] _Bool assert__arg; [L1030] assert__arg = __tmp_6 [L1031] COND TRUE assert__arg == 0 [L1033] __VERIFIER_error() - UnprovableResult [Line: 880]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] _Bool newmax1 = 0; [L44] char id2 = '\x0'; [L45] char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] _Bool newmax2 = 0; [L52] char id3 = '\x0'; [L53] char r3 = '\x0'; [L54] char st3 = '\x0'; [L55] char nl3 = '\x0'; [L56] char m3 = '\x0'; [L57] char max3 = '\x0'; [L58] _Bool mode3 = 0; [L59] _Bool newmax3 = 0; [L63] void (*nodes[3])() = { &node1, &node2, &node3 }; [L67] int __return_1887; [L68] int __return_2033; [L69] int __return_2166; [L70] int __return_2305; [L71] int __return_3093; [L72] int __return_3062; [L73] int __return_2999; [L74] int __return_2965; [L75] int __tmp_2444_0; [L76] int __return_2567; [L77] int __return_2457; [L78] int __return_2852; [L79] int __return_2818; [L80] int __return_2734; [L81] int __return_2443; [L84] int main__c1; [L85] int main__i2; [L86] main__c1 = 0 [L87] ep12 = __VERIFIER_nondet_bool() [L88] ep13 = __VERIFIER_nondet_bool() [L89] ep21 = __VERIFIER_nondet_bool() [L90] ep23 = __VERIFIER_nondet_bool() [L91] ep31 = __VERIFIER_nondet_bool() [L92] ep32 = __VERIFIER_nondet_bool() [L93] id1 = __VERIFIER_nondet_char() [L94] r1 = __VERIFIER_nondet_char() [L95] st1 = __VERIFIER_nondet_char() [L96] nl1 = __VERIFIER_nondet_char() [L97] m1 = __VERIFIER_nondet_char() [L98] max1 = __VERIFIER_nondet_char() [L99] mode1 = __VERIFIER_nondet_bool() [L100] newmax1 = __VERIFIER_nondet_bool() [L101] id2 = __VERIFIER_nondet_char() [L102] r2 = __VERIFIER_nondet_char() [L103] st2 = __VERIFIER_nondet_char() [L104] nl2 = __VERIFIER_nondet_char() [L105] m2 = __VERIFIER_nondet_char() [L106] max2 = __VERIFIER_nondet_char() [L107] mode2 = __VERIFIER_nondet_bool() [L108] newmax2 = __VERIFIER_nondet_bool() [L109] id3 = __VERIFIER_nondet_char() [L110] r3 = __VERIFIER_nondet_char() [L111] st3 = __VERIFIER_nondet_char() [L112] nl3 = __VERIFIER_nondet_char() [L113] m3 = __VERIFIER_nondet_char() [L114] max3 = __VERIFIER_nondet_char() [L115] mode3 = __VERIFIER_nondet_bool() [L116] newmax3 = __VERIFIER_nondet_bool() [L118] _Bool init__r121; [L119] _Bool init__r131; [L120] _Bool init__r211; [L121] _Bool init__r231; [L122] _Bool init__r311; [L123] _Bool init__r321; [L124] _Bool init__r122; [L125] int init__tmp; [L126] _Bool init__r132; [L127] int init__tmp___0; [L128] _Bool init__r212; [L129] int init__tmp___1; [L130] _Bool init__r232; [L131] int init__tmp___2; [L132] _Bool init__r312; [L133] int init__tmp___3; [L134] _Bool init__r322; [L135] int init__tmp___4; [L136] int init__tmp___5; [L137] init__r121 = ep12 [L138] init__r131 = ep13 [L139] init__r211 = ep21 [L140] init__r231 = ep23 [L141] init__r311 = ep31 [L142] init__r321 = ep32 [L143] COND TRUE !(init__r121 == 0) [L145] init__tmp = 1 [L147] init__r122 = (_Bool)init__tmp [L148] COND TRUE !(init__r131 == 0) [L150] init__tmp___0 = 1 [L152] init__r132 = (_Bool)init__tmp___0 [L153] COND TRUE !(init__r211 == 0) [L155] init__tmp___1 = 1 [L157] init__r212 = (_Bool)init__tmp___1 [L158] COND TRUE !(init__r231 == 0) [L160] init__tmp___2 = 1 [L162] init__r232 = (_Bool)init__tmp___2 [L163] COND TRUE !(init__r311 == 0) [L165] init__tmp___3 = 1 [L167] init__r312 = (_Bool)init__tmp___3 [L168] COND TRUE !(init__r321 == 0) [L170] init__tmp___4 = 1 [L172] init__r322 = (_Bool)init__tmp___4 [L173] COND TRUE ((int)id1) != ((int)id2) [L175] COND TRUE ((int)id1) != ((int)id3) [L177] COND TRUE ((int)id2) != ((int)id3) [L179] COND TRUE ((int)id1) >= 0 [L181] COND TRUE ((int)id2) >= 0 [L183] COND TRUE ((int)id3) >= 0 [L185] COND TRUE ((int)r1) == 0 [L187] COND TRUE ((int)r2) == 0 [L189] COND TRUE ((int)r3) == 0 [L191] COND TRUE !(init__r122 == 0) [L193] COND TRUE !(init__r132 == 0) [L195] COND TRUE !(init__r212 == 0) [L197] COND TRUE !(init__r232 == 0) [L199] COND TRUE !(init__r312 == 0) [L201] COND TRUE !(init__r322 == 0) [L203] COND TRUE ((int)max1) == ((int)id1) [L205] COND TRUE ((int)max2) == ((int)id2) [L207] COND TRUE ((int)max3) == ((int)id3) [L209] COND TRUE ((int)st1) == 0 [L211] COND TRUE ((int)st2) == 0 [L213] COND TRUE ((int)st3) == 0 [L215] COND TRUE ((int)nl1) == 0 [L217] COND TRUE ((int)nl2) == 0 [L219] COND TRUE ((int)nl3) == 0 [L221] COND TRUE ((int)mode1) == 0 [L223] COND TRUE ((int)mode2) == 0 [L225] COND TRUE ((int)mode3) == 0 [L227] COND TRUE !(newmax1 == 0) [L229] COND TRUE !(newmax2 == 0) [L231] COND TRUE !(newmax3 == 0) [L233] init__tmp___5 = 1 [L234] __return_1887 = init__tmp___5 [L235] main__i2 = __return_1887 [L236] COND TRUE main__i2 != 0 [L238] p12_old = nomsg [L239] p12_new = nomsg [L240] p13_old = nomsg [L241] p13_new = nomsg [L242] p21_old = nomsg [L243] p21_new = nomsg [L244] p23_old = nomsg [L245] p23_new = nomsg [L246] p31_old = nomsg [L247] p31_new = nomsg [L248] p32_old = nomsg [L249] p32_new = nomsg [L250] main__i2 = 0 [L251] COND TRUE main__i2 < 6 [L254] _Bool node1__newmax; [L255] node1__newmax = 0 [L256] COND FALSE !(!(mode1 == 0)) [L262] COND TRUE ((int)r1) < 2 [L264] COND FALSE !(!(ep12 == 0)) [L277] COND FALSE !(!(ep13 == 0)) [L290] mode1 = 1 [L292] _Bool node2__newmax; [L293] node2__newmax = 0 [L294] COND FALSE !(!(mode2 == 0)) [L300] COND TRUE ((int)r2) < 2 [L302] COND FALSE !(!(ep21 == 0)) [L315] COND FALSE !(!(ep23 == 0)) [L328] mode2 = 1 [L330] _Bool node3__newmax; [L331] node3__newmax = 0 [L332] COND FALSE !(!(mode3 == 0)) [L338] COND TRUE ((int)r3) < 2 [L340] COND FALSE !(!(ep31 == 0)) [L353] COND FALSE !(!(ep32 == 0)) [L366] mode3 = 1 [L367] p12_old = p12_new [L368] p12_new = nomsg [L369] p13_old = p13_new [L370] p13_new = nomsg [L371] p21_old = p21_new [L372] p21_new = nomsg [L373] p23_old = p23_new [L374] p23_new = nomsg [L375] p31_old = p31_new [L376] p31_new = nomsg [L377] p32_old = p32_new [L378] p32_new = nomsg [L380] int check__tmp; [L381] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L389] COND FALSE !(((int)r1) >= 2) [L395] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L397] COND TRUE ((int)r1) < 2 [L399] COND FALSE !(((int)r1) >= 2) [L405] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L407] COND TRUE ((int)r1) < 2 [L409] check__tmp = 1 [L410] __return_2033 = check__tmp [L411] main__c1 = __return_2033 [L413] _Bool __tmp_1; [L414] __tmp_1 = main__c1 [L415] _Bool assert__arg; [L416] assert__arg = __tmp_1 [L417] COND FALSE !(assert__arg == 0) [L423] int main____CPAchecker_TMP_0 = main__i2; [L424] main__i2 = main__i2 + 1 [L425] COND TRUE main__i2 < 6 [L428] _Bool node1__newmax; [L429] node1__newmax = 0 [L430] COND TRUE !(mode1 == 0) [L432] r1 = (char)(((int)r1) + 1) [L433] COND FALSE !(!(ep21 == 0)) [L442] COND FALSE !(!(ep31 == 0)) [L451] newmax1 = node1__newmax [L452] COND FALSE !(((int)r1) == 2) [L458] mode1 = 0 [L460] _Bool node2__newmax; [L461] node2__newmax = 0 [L462] COND TRUE !(mode2 == 0) [L464] r2 = (char)(((int)r2) + 1) [L465] COND FALSE !(!(ep12 == 0)) [L474] COND FALSE !(!(ep32 == 0)) [L483] newmax2 = node2__newmax [L484] COND FALSE !(((int)r2) == 2) [L490] mode2 = 0 [L492] _Bool node3__newmax; [L493] node3__newmax = 0 [L494] COND TRUE !(mode3 == 0) [L496] r3 = (char)(((int)r3) + 1) [L497] COND FALSE !(!(ep13 == 0)) [L506] COND FALSE !(!(ep23 == 0)) [L515] newmax3 = node3__newmax [L516] COND FALSE !(((int)r3) == 2) [L522] mode3 = 0 [L523] p12_old = p12_new [L524] p12_new = nomsg [L525] p13_old = p13_new [L526] p13_new = nomsg [L527] p21_old = p21_new [L528] p21_new = nomsg [L529] p23_old = p23_new [L530] p23_new = nomsg [L531] p31_old = p31_new [L532] p31_new = nomsg [L533] p32_old = p32_new [L534] p32_new = nomsg [L536] int check__tmp; [L537] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L539] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L541] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L543] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L545] COND FALSE !(((int)r1) >= 2) [L551] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L553] COND TRUE ((int)r1) < 2 [L555] COND FALSE !(((int)r1) >= 2) [L561] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L563] COND TRUE ((int)r1) < 2 [L565] check__tmp = 1 [L566] __return_2166 = check__tmp [L567] main__c1 = __return_2166 [L569] _Bool __tmp_2; [L570] __tmp_2 = main__c1 [L571] _Bool assert__arg; [L572] assert__arg = __tmp_2 [L573] COND FALSE !(assert__arg == 0) [L579] int main____CPAchecker_TMP_0 = main__i2; [L580] main__i2 = main__i2 + 1 [L581] COND TRUE main__i2 < 6 [L584] _Bool node1__newmax; [L585] node1__newmax = 0 [L586] COND FALSE !(!(mode1 == 0)) [L592] COND TRUE ((int)r1) < 2 [L594] COND FALSE !(!(ep12 == 0)) [L607] COND FALSE !(!(ep13 == 0)) [L620] mode1 = 1 [L622] _Bool node2__newmax; [L623] node2__newmax = 0 [L624] COND FALSE !(!(mode2 == 0)) [L630] COND TRUE ((int)r2) < 2 [L632] COND FALSE !(!(ep21 == 0)) [L645] COND FALSE !(!(ep23 == 0)) [L658] mode2 = 1 [L660] _Bool node3__newmax; [L661] node3__newmax = 0 [L662] COND FALSE !(!(mode3 == 0)) [L668] COND TRUE ((int)r3) < 2 [L670] COND FALSE !(!(ep31 == 0)) [L683] COND FALSE !(!(ep32 == 0)) [L696] mode3 = 1 [L697] p12_old = p12_new [L698] p12_new = nomsg [L699] p13_old = p13_new [L700] p13_new = nomsg [L701] p21_old = p21_new [L702] p21_new = nomsg [L703] p23_old = p23_new [L704] p23_new = nomsg [L705] p31_old = p31_new [L706] p31_new = nomsg [L707] p32_old = p32_new [L708] p32_new = nomsg [L710] int check__tmp; [L711] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L713] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L715] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L717] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L719] COND FALSE !(((int)r1) >= 2) [L725] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L727] COND TRUE ((int)r1) < 2 [L729] COND FALSE !(((int)r1) >= 2) [L735] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L737] COND TRUE ((int)r1) < 2 [L739] check__tmp = 1 [L740] __return_2305 = check__tmp [L741] main__c1 = __return_2305 [L743] _Bool __tmp_3; [L744] __tmp_3 = main__c1 [L745] _Bool assert__arg; [L746] assert__arg = __tmp_3 [L747] COND FALSE !(assert__arg == 0) [L753] int main____CPAchecker_TMP_0 = main__i2; [L754] main__i2 = main__i2 + 1 [L755] COND TRUE main__i2 < 6 [L758] _Bool node1__newmax; [L759] node1__newmax = 0 [L760] COND TRUE !(mode1 == 0) [L762] r1 = (char)(((int)r1) + 1) [L763] COND FALSE !(!(ep21 == 0)) [L772] COND FALSE !(!(ep31 == 0)) [L781] newmax1 = node1__newmax [L782] COND TRUE ((int)r1) == 2 [L784] COND TRUE ((int)max1) == ((int)id1) [L786] st1 = 1 [L787] mode1 = 0 [L789] _Bool node2__newmax; [L790] node2__newmax = 0 [L791] COND TRUE !(mode2 == 0) [L793] r2 = (char)(((int)r2) + 1) [L794] COND FALSE !(!(ep12 == 0)) [L803] COND FALSE !(!(ep32 == 0)) [L812] newmax2 = node2__newmax [L813] COND TRUE ((int)r2) == 2 [L815] COND TRUE ((int)max2) == ((int)id2) [L817] st2 = 1 [L818] mode2 = 0 [L820] _Bool node3__newmax; [L821] node3__newmax = 0 [L822] COND TRUE !(mode3 == 0) [L824] r3 = (char)(((int)r3) + 1) [L825] COND FALSE !(!(ep13 == 0)) [L834] COND FALSE !(!(ep23 == 0)) [L843] newmax3 = node3__newmax [L844] COND TRUE ((int)r3) == 2 [L846] COND TRUE ((int)max3) == ((int)id3) [L848] st3 = 1 [L849] mode3 = 0 [L850] p12_old = p12_new [L851] p12_new = nomsg [L852] p13_old = p13_new [L853] p13_new = nomsg [L854] p21_old = p21_new [L855] p21_new = nomsg [L856] p23_old = p23_new [L857] p23_new = nomsg [L858] p31_old = p31_new [L859] p31_new = nomsg [L860] p32_old = p32_new [L861] p32_new = nomsg [L863] int check__tmp; [L864] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L870] check__tmp = 0 [L871] __return_3093 = check__tmp [L872] main__c1 = __return_3093 [L874] _Bool __tmp_4; [L875] __tmp_4 = main__c1 [L876] _Bool assert__arg; [L877] assert__arg = __tmp_4 [L878] COND TRUE assert__arg == 0 [L880] __VERIFIER_error() - UnprovableResult [Line: 925]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] _Bool newmax1 = 0; [L44] char id2 = '\x0'; [L45] char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] _Bool newmax2 = 0; [L52] char id3 = '\x0'; [L53] char r3 = '\x0'; [L54] char st3 = '\x0'; [L55] char nl3 = '\x0'; [L56] char m3 = '\x0'; [L57] char max3 = '\x0'; [L58] _Bool mode3 = 0; [L59] _Bool newmax3 = 0; [L63] void (*nodes[3])() = { &node1, &node2, &node3 }; [L67] int __return_1887; [L68] int __return_2033; [L69] int __return_2166; [L70] int __return_2305; [L71] int __return_3093; [L72] int __return_3062; [L73] int __return_2999; [L74] int __return_2965; [L75] int __tmp_2444_0; [L76] int __return_2567; [L77] int __return_2457; [L78] int __return_2852; [L79] int __return_2818; [L80] int __return_2734; [L81] int __return_2443; [L84] int main__c1; [L85] int main__i2; [L86] main__c1 = 0 [L87] ep12 = __VERIFIER_nondet_bool() [L88] ep13 = __VERIFIER_nondet_bool() [L89] ep21 = __VERIFIER_nondet_bool() [L90] ep23 = __VERIFIER_nondet_bool() [L91] ep31 = __VERIFIER_nondet_bool() [L92] ep32 = __VERIFIER_nondet_bool() [L93] id1 = __VERIFIER_nondet_char() [L94] r1 = __VERIFIER_nondet_char() [L95] st1 = __VERIFIER_nondet_char() [L96] nl1 = __VERIFIER_nondet_char() [L97] m1 = __VERIFIER_nondet_char() [L98] max1 = __VERIFIER_nondet_char() [L99] mode1 = __VERIFIER_nondet_bool() [L100] newmax1 = __VERIFIER_nondet_bool() [L101] id2 = __VERIFIER_nondet_char() [L102] r2 = __VERIFIER_nondet_char() [L103] st2 = __VERIFIER_nondet_char() [L104] nl2 = __VERIFIER_nondet_char() [L105] m2 = __VERIFIER_nondet_char() [L106] max2 = __VERIFIER_nondet_char() [L107] mode2 = __VERIFIER_nondet_bool() [L108] newmax2 = __VERIFIER_nondet_bool() [L109] id3 = __VERIFIER_nondet_char() [L110] r3 = __VERIFIER_nondet_char() [L111] st3 = __VERIFIER_nondet_char() [L112] nl3 = __VERIFIER_nondet_char() [L113] m3 = __VERIFIER_nondet_char() [L114] max3 = __VERIFIER_nondet_char() [L115] mode3 = __VERIFIER_nondet_bool() [L116] newmax3 = __VERIFIER_nondet_bool() [L118] _Bool init__r121; [L119] _Bool init__r131; [L120] _Bool init__r211; [L121] _Bool init__r231; [L122] _Bool init__r311; [L123] _Bool init__r321; [L124] _Bool init__r122; [L125] int init__tmp; [L126] _Bool init__r132; [L127] int init__tmp___0; [L128] _Bool init__r212; [L129] int init__tmp___1; [L130] _Bool init__r232; [L131] int init__tmp___2; [L132] _Bool init__r312; [L133] int init__tmp___3; [L134] _Bool init__r322; [L135] int init__tmp___4; [L136] int init__tmp___5; [L137] init__r121 = ep12 [L138] init__r131 = ep13 [L139] init__r211 = ep21 [L140] init__r231 = ep23 [L141] init__r311 = ep31 [L142] init__r321 = ep32 [L143] COND TRUE !(init__r121 == 0) [L145] init__tmp = 1 [L147] init__r122 = (_Bool)init__tmp [L148] COND TRUE !(init__r131 == 0) [L150] init__tmp___0 = 1 [L152] init__r132 = (_Bool)init__tmp___0 [L153] COND TRUE !(init__r211 == 0) [L155] init__tmp___1 = 1 [L157] init__r212 = (_Bool)init__tmp___1 [L158] COND TRUE !(init__r231 == 0) [L160] init__tmp___2 = 1 [L162] init__r232 = (_Bool)init__tmp___2 [L163] COND TRUE !(init__r311 == 0) [L165] init__tmp___3 = 1 [L167] init__r312 = (_Bool)init__tmp___3 [L168] COND TRUE !(init__r321 == 0) [L170] init__tmp___4 = 1 [L172] init__r322 = (_Bool)init__tmp___4 [L173] COND TRUE ((int)id1) != ((int)id2) [L175] COND TRUE ((int)id1) != ((int)id3) [L177] COND TRUE ((int)id2) != ((int)id3) [L179] COND TRUE ((int)id1) >= 0 [L181] COND TRUE ((int)id2) >= 0 [L183] COND TRUE ((int)id3) >= 0 [L185] COND TRUE ((int)r1) == 0 [L187] COND TRUE ((int)r2) == 0 [L189] COND TRUE ((int)r3) == 0 [L191] COND TRUE !(init__r122 == 0) [L193] COND TRUE !(init__r132 == 0) [L195] COND TRUE !(init__r212 == 0) [L197] COND TRUE !(init__r232 == 0) [L199] COND TRUE !(init__r312 == 0) [L201] COND TRUE !(init__r322 == 0) [L203] COND TRUE ((int)max1) == ((int)id1) [L205] COND TRUE ((int)max2) == ((int)id2) [L207] COND TRUE ((int)max3) == ((int)id3) [L209] COND TRUE ((int)st1) == 0 [L211] COND TRUE ((int)st2) == 0 [L213] COND TRUE ((int)st3) == 0 [L215] COND TRUE ((int)nl1) == 0 [L217] COND TRUE ((int)nl2) == 0 [L219] COND TRUE ((int)nl3) == 0 [L221] COND TRUE ((int)mode1) == 0 [L223] COND TRUE ((int)mode2) == 0 [L225] COND TRUE ((int)mode3) == 0 [L227] COND TRUE !(newmax1 == 0) [L229] COND TRUE !(newmax2 == 0) [L231] COND TRUE !(newmax3 == 0) [L233] init__tmp___5 = 1 [L234] __return_1887 = init__tmp___5 [L235] main__i2 = __return_1887 [L236] COND TRUE main__i2 != 0 [L238] p12_old = nomsg [L239] p12_new = nomsg [L240] p13_old = nomsg [L241] p13_new = nomsg [L242] p21_old = nomsg [L243] p21_new = nomsg [L244] p23_old = nomsg [L245] p23_new = nomsg [L246] p31_old = nomsg [L247] p31_new = nomsg [L248] p32_old = nomsg [L249] p32_new = nomsg [L250] main__i2 = 0 [L251] COND TRUE main__i2 < 6 [L254] _Bool node1__newmax; [L255] node1__newmax = 0 [L256] COND FALSE !(!(mode1 == 0)) [L262] COND TRUE ((int)r1) < 2 [L264] COND FALSE !(!(ep12 == 0)) [L277] COND FALSE !(!(ep13 == 0)) [L290] mode1 = 1 [L292] _Bool node2__newmax; [L293] node2__newmax = 0 [L294] COND FALSE !(!(mode2 == 0)) [L300] COND TRUE ((int)r2) < 2 [L302] COND FALSE !(!(ep21 == 0)) [L315] COND FALSE !(!(ep23 == 0)) [L328] mode2 = 1 [L330] _Bool node3__newmax; [L331] node3__newmax = 0 [L332] COND FALSE !(!(mode3 == 0)) [L338] COND TRUE ((int)r3) < 2 [L340] COND FALSE !(!(ep31 == 0)) [L353] COND FALSE !(!(ep32 == 0)) [L366] mode3 = 1 [L367] p12_old = p12_new [L368] p12_new = nomsg [L369] p13_old = p13_new [L370] p13_new = nomsg [L371] p21_old = p21_new [L372] p21_new = nomsg [L373] p23_old = p23_new [L374] p23_new = nomsg [L375] p31_old = p31_new [L376] p31_new = nomsg [L377] p32_old = p32_new [L378] p32_new = nomsg [L380] int check__tmp; [L381] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L389] COND FALSE !(((int)r1) >= 2) [L395] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L397] COND TRUE ((int)r1) < 2 [L399] COND FALSE !(((int)r1) >= 2) [L405] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L407] COND TRUE ((int)r1) < 2 [L409] check__tmp = 1 [L410] __return_2033 = check__tmp [L411] main__c1 = __return_2033 [L413] _Bool __tmp_1; [L414] __tmp_1 = main__c1 [L415] _Bool assert__arg; [L416] assert__arg = __tmp_1 [L417] COND FALSE !(assert__arg == 0) [L423] int main____CPAchecker_TMP_0 = main__i2; [L424] main__i2 = main__i2 + 1 [L425] COND TRUE main__i2 < 6 [L428] _Bool node1__newmax; [L429] node1__newmax = 0 [L430] COND TRUE !(mode1 == 0) [L432] r1 = (char)(((int)r1) + 1) [L433] COND FALSE !(!(ep21 == 0)) [L442] COND FALSE !(!(ep31 == 0)) [L451] newmax1 = node1__newmax [L452] COND FALSE !(((int)r1) == 2) [L458] mode1 = 0 [L460] _Bool node2__newmax; [L461] node2__newmax = 0 [L462] COND TRUE !(mode2 == 0) [L464] r2 = (char)(((int)r2) + 1) [L465] COND FALSE !(!(ep12 == 0)) [L474] COND FALSE !(!(ep32 == 0)) [L483] newmax2 = node2__newmax [L484] COND FALSE !(((int)r2) == 2) [L490] mode2 = 0 [L492] _Bool node3__newmax; [L493] node3__newmax = 0 [L494] COND TRUE !(mode3 == 0) [L496] r3 = (char)(((int)r3) + 1) [L497] COND FALSE !(!(ep13 == 0)) [L506] COND FALSE !(!(ep23 == 0)) [L515] newmax3 = node3__newmax [L516] COND FALSE !(((int)r3) == 2) [L522] mode3 = 0 [L523] p12_old = p12_new [L524] p12_new = nomsg [L525] p13_old = p13_new [L526] p13_new = nomsg [L527] p21_old = p21_new [L528] p21_new = nomsg [L529] p23_old = p23_new [L530] p23_new = nomsg [L531] p31_old = p31_new [L532] p31_new = nomsg [L533] p32_old = p32_new [L534] p32_new = nomsg [L536] int check__tmp; [L537] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L539] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L541] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L543] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L545] COND FALSE !(((int)r1) >= 2) [L551] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L553] COND TRUE ((int)r1) < 2 [L555] COND FALSE !(((int)r1) >= 2) [L561] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L563] COND TRUE ((int)r1) < 2 [L565] check__tmp = 1 [L566] __return_2166 = check__tmp [L567] main__c1 = __return_2166 [L569] _Bool __tmp_2; [L570] __tmp_2 = main__c1 [L571] _Bool assert__arg; [L572] assert__arg = __tmp_2 [L573] COND FALSE !(assert__arg == 0) [L579] int main____CPAchecker_TMP_0 = main__i2; [L580] main__i2 = main__i2 + 1 [L581] COND TRUE main__i2 < 6 [L584] _Bool node1__newmax; [L585] node1__newmax = 0 [L586] COND FALSE !(!(mode1 == 0)) [L592] COND TRUE ((int)r1) < 2 [L594] COND FALSE !(!(ep12 == 0)) [L607] COND FALSE !(!(ep13 == 0)) [L620] mode1 = 1 [L622] _Bool node2__newmax; [L623] node2__newmax = 0 [L624] COND FALSE !(!(mode2 == 0)) [L630] COND TRUE ((int)r2) < 2 [L632] COND FALSE !(!(ep21 == 0)) [L645] COND FALSE !(!(ep23 == 0)) [L658] mode2 = 1 [L660] _Bool node3__newmax; [L661] node3__newmax = 0 [L662] COND FALSE !(!(mode3 == 0)) [L668] COND TRUE ((int)r3) < 2 [L670] COND FALSE !(!(ep31 == 0)) [L683] COND FALSE !(!(ep32 == 0)) [L696] mode3 = 1 [L697] p12_old = p12_new [L698] p12_new = nomsg [L699] p13_old = p13_new [L700] p13_new = nomsg [L701] p21_old = p21_new [L702] p21_new = nomsg [L703] p23_old = p23_new [L704] p23_new = nomsg [L705] p31_old = p31_new [L706] p31_new = nomsg [L707] p32_old = p32_new [L708] p32_new = nomsg [L710] int check__tmp; [L711] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L713] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L715] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L717] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L719] COND FALSE !(((int)r1) >= 2) [L725] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L727] COND TRUE ((int)r1) < 2 [L729] COND FALSE !(((int)r1) >= 2) [L735] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L737] COND TRUE ((int)r1) < 2 [L739] check__tmp = 1 [L740] __return_2305 = check__tmp [L741] main__c1 = __return_2305 [L743] _Bool __tmp_3; [L744] __tmp_3 = main__c1 [L745] _Bool assert__arg; [L746] assert__arg = __tmp_3 [L747] COND FALSE !(assert__arg == 0) [L753] int main____CPAchecker_TMP_0 = main__i2; [L754] main__i2 = main__i2 + 1 [L755] COND TRUE main__i2 < 6 [L758] _Bool node1__newmax; [L759] node1__newmax = 0 [L760] COND TRUE !(mode1 == 0) [L762] r1 = (char)(((int)r1) + 1) [L763] COND FALSE !(!(ep21 == 0)) [L772] COND FALSE !(!(ep31 == 0)) [L781] newmax1 = node1__newmax [L782] COND TRUE ((int)r1) == 2 [L784] COND TRUE ((int)max1) == ((int)id1) [L786] st1 = 1 [L787] mode1 = 0 [L789] _Bool node2__newmax; [L790] node2__newmax = 0 [L791] COND TRUE !(mode2 == 0) [L793] r2 = (char)(((int)r2) + 1) [L794] COND FALSE !(!(ep12 == 0)) [L803] COND FALSE !(!(ep32 == 0)) [L812] newmax2 = node2__newmax [L813] COND TRUE ((int)r2) == 2 [L815] COND TRUE ((int)max2) == ((int)id2) [L817] st2 = 1 [L818] mode2 = 0 [L820] _Bool node3__newmax; [L821] node3__newmax = 0 [L822] COND TRUE !(mode3 == 0) [L824] r3 = (char)(((int)r3) + 1) [L825] COND FALSE !(!(ep13 == 0)) [L834] COND FALSE !(!(ep23 == 0)) [L843] newmax3 = node3__newmax [L844] COND TRUE ((int)r3) == 2 [L846] COND FALSE !(((int)max3) == ((int)id3)) [L893] nl3 = 1 [L894] mode3 = 0 [L895] p12_old = p12_new [L896] p12_new = nomsg [L897] p13_old = p13_new [L898] p13_new = nomsg [L899] p21_old = p21_new [L900] p21_new = nomsg [L901] p23_old = p23_new [L902] p23_new = nomsg [L903] p31_old = p31_new [L904] p31_new = nomsg [L905] p32_old = p32_new [L906] p32_new = nomsg [L908] int check__tmp; [L909] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L915] check__tmp = 0 [L916] __return_3062 = check__tmp [L917] main__c1 = __return_3062 [L919] _Bool __tmp_5; [L920] __tmp_5 = main__c1 [L921] _Bool assert__arg; [L922] assert__arg = __tmp_5 [L923] COND TRUE assert__arg == 0 [L925] __VERIFIER_error() - UnprovableResult [Line: 1100]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] _Bool newmax1 = 0; [L44] char id2 = '\x0'; [L45] char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] _Bool newmax2 = 0; [L52] char id3 = '\x0'; [L53] char r3 = '\x0'; [L54] char st3 = '\x0'; [L55] char nl3 = '\x0'; [L56] char m3 = '\x0'; [L57] char max3 = '\x0'; [L58] _Bool mode3 = 0; [L59] _Bool newmax3 = 0; [L63] void (*nodes[3])() = { &node1, &node2, &node3 }; [L67] int __return_1887; [L68] int __return_2033; [L69] int __return_2166; [L70] int __return_2305; [L71] int __return_3093; [L72] int __return_3062; [L73] int __return_2999; [L74] int __return_2965; [L75] int __tmp_2444_0; [L76] int __return_2567; [L77] int __return_2457; [L78] int __return_2852; [L79] int __return_2818; [L80] int __return_2734; [L81] int __return_2443; [L84] int main__c1; [L85] int main__i2; [L86] main__c1 = 0 [L87] ep12 = __VERIFIER_nondet_bool() [L88] ep13 = __VERIFIER_nondet_bool() [L89] ep21 = __VERIFIER_nondet_bool() [L90] ep23 = __VERIFIER_nondet_bool() [L91] ep31 = __VERIFIER_nondet_bool() [L92] ep32 = __VERIFIER_nondet_bool() [L93] id1 = __VERIFIER_nondet_char() [L94] r1 = __VERIFIER_nondet_char() [L95] st1 = __VERIFIER_nondet_char() [L96] nl1 = __VERIFIER_nondet_char() [L97] m1 = __VERIFIER_nondet_char() [L98] max1 = __VERIFIER_nondet_char() [L99] mode1 = __VERIFIER_nondet_bool() [L100] newmax1 = __VERIFIER_nondet_bool() [L101] id2 = __VERIFIER_nondet_char() [L102] r2 = __VERIFIER_nondet_char() [L103] st2 = __VERIFIER_nondet_char() [L104] nl2 = __VERIFIER_nondet_char() [L105] m2 = __VERIFIER_nondet_char() [L106] max2 = __VERIFIER_nondet_char() [L107] mode2 = __VERIFIER_nondet_bool() [L108] newmax2 = __VERIFIER_nondet_bool() [L109] id3 = __VERIFIER_nondet_char() [L110] r3 = __VERIFIER_nondet_char() [L111] st3 = __VERIFIER_nondet_char() [L112] nl3 = __VERIFIER_nondet_char() [L113] m3 = __VERIFIER_nondet_char() [L114] max3 = __VERIFIER_nondet_char() [L115] mode3 = __VERIFIER_nondet_bool() [L116] newmax3 = __VERIFIER_nondet_bool() [L118] _Bool init__r121; [L119] _Bool init__r131; [L120] _Bool init__r211; [L121] _Bool init__r231; [L122] _Bool init__r311; [L123] _Bool init__r321; [L124] _Bool init__r122; [L125] int init__tmp; [L126] _Bool init__r132; [L127] int init__tmp___0; [L128] _Bool init__r212; [L129] int init__tmp___1; [L130] _Bool init__r232; [L131] int init__tmp___2; [L132] _Bool init__r312; [L133] int init__tmp___3; [L134] _Bool init__r322; [L135] int init__tmp___4; [L136] int init__tmp___5; [L137] init__r121 = ep12 [L138] init__r131 = ep13 [L139] init__r211 = ep21 [L140] init__r231 = ep23 [L141] init__r311 = ep31 [L142] init__r321 = ep32 [L143] COND TRUE !(init__r121 == 0) [L145] init__tmp = 1 [L147] init__r122 = (_Bool)init__tmp [L148] COND TRUE !(init__r131 == 0) [L150] init__tmp___0 = 1 [L152] init__r132 = (_Bool)init__tmp___0 [L153] COND TRUE !(init__r211 == 0) [L155] init__tmp___1 = 1 [L157] init__r212 = (_Bool)init__tmp___1 [L158] COND TRUE !(init__r231 == 0) [L160] init__tmp___2 = 1 [L162] init__r232 = (_Bool)init__tmp___2 [L163] COND TRUE !(init__r311 == 0) [L165] init__tmp___3 = 1 [L167] init__r312 = (_Bool)init__tmp___3 [L168] COND TRUE !(init__r321 == 0) [L170] init__tmp___4 = 1 [L172] init__r322 = (_Bool)init__tmp___4 [L173] COND TRUE ((int)id1) != ((int)id2) [L175] COND TRUE ((int)id1) != ((int)id3) [L177] COND TRUE ((int)id2) != ((int)id3) [L179] COND TRUE ((int)id1) >= 0 [L181] COND TRUE ((int)id2) >= 0 [L183] COND TRUE ((int)id3) >= 0 [L185] COND TRUE ((int)r1) == 0 [L187] COND TRUE ((int)r2) == 0 [L189] COND TRUE ((int)r3) == 0 [L191] COND TRUE !(init__r122 == 0) [L193] COND TRUE !(init__r132 == 0) [L195] COND TRUE !(init__r212 == 0) [L197] COND TRUE !(init__r232 == 0) [L199] COND TRUE !(init__r312 == 0) [L201] COND TRUE !(init__r322 == 0) [L203] COND TRUE ((int)max1) == ((int)id1) [L205] COND TRUE ((int)max2) == ((int)id2) [L207] COND TRUE ((int)max3) == ((int)id3) [L209] COND TRUE ((int)st1) == 0 [L211] COND TRUE ((int)st2) == 0 [L213] COND TRUE ((int)st3) == 0 [L215] COND TRUE ((int)nl1) == 0 [L217] COND TRUE ((int)nl2) == 0 [L219] COND TRUE ((int)nl3) == 0 [L221] COND TRUE ((int)mode1) == 0 [L223] COND TRUE ((int)mode2) == 0 [L225] COND TRUE ((int)mode3) == 0 [L227] COND TRUE !(newmax1 == 0) [L229] COND TRUE !(newmax2 == 0) [L231] COND TRUE !(newmax3 == 0) [L233] init__tmp___5 = 1 [L234] __return_1887 = init__tmp___5 [L235] main__i2 = __return_1887 [L236] COND TRUE main__i2 != 0 [L238] p12_old = nomsg [L239] p12_new = nomsg [L240] p13_old = nomsg [L241] p13_new = nomsg [L242] p21_old = nomsg [L243] p21_new = nomsg [L244] p23_old = nomsg [L245] p23_new = nomsg [L246] p31_old = nomsg [L247] p31_new = nomsg [L248] p32_old = nomsg [L249] p32_new = nomsg [L250] main__i2 = 0 [L251] COND TRUE main__i2 < 6 [L254] _Bool node1__newmax; [L255] node1__newmax = 0 [L256] COND FALSE !(!(mode1 == 0)) [L262] COND TRUE ((int)r1) < 2 [L264] COND FALSE !(!(ep12 == 0)) [L277] COND FALSE !(!(ep13 == 0)) [L290] mode1 = 1 [L292] _Bool node2__newmax; [L293] node2__newmax = 0 [L294] COND FALSE !(!(mode2 == 0)) [L300] COND TRUE ((int)r2) < 2 [L302] COND FALSE !(!(ep21 == 0)) [L315] COND FALSE !(!(ep23 == 0)) [L328] mode2 = 1 [L330] _Bool node3__newmax; [L331] node3__newmax = 0 [L332] COND FALSE !(!(mode3 == 0)) [L338] COND TRUE ((int)r3) < 2 [L340] COND FALSE !(!(ep31 == 0)) [L353] COND FALSE !(!(ep32 == 0)) [L366] mode3 = 1 [L367] p12_old = p12_new [L368] p12_new = nomsg [L369] p13_old = p13_new [L370] p13_new = nomsg [L371] p21_old = p21_new [L372] p21_new = nomsg [L373] p23_old = p23_new [L374] p23_new = nomsg [L375] p31_old = p31_new [L376] p31_new = nomsg [L377] p32_old = p32_new [L378] p32_new = nomsg [L380] int check__tmp; [L381] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L383] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L385] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L387] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L389] COND FALSE !(((int)r1) >= 2) [L395] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L397] COND TRUE ((int)r1) < 2 [L399] COND FALSE !(((int)r1) >= 2) [L405] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L407] COND TRUE ((int)r1) < 2 [L409] check__tmp = 1 [L410] __return_2033 = check__tmp [L411] main__c1 = __return_2033 [L413] _Bool __tmp_1; [L414] __tmp_1 = main__c1 [L415] _Bool assert__arg; [L416] assert__arg = __tmp_1 [L417] COND FALSE !(assert__arg == 0) [L423] int main____CPAchecker_TMP_0 = main__i2; [L424] main__i2 = main__i2 + 1 [L425] COND TRUE main__i2 < 6 [L428] _Bool node1__newmax; [L429] node1__newmax = 0 [L430] COND TRUE !(mode1 == 0) [L432] r1 = (char)(((int)r1) + 1) [L433] COND FALSE !(!(ep21 == 0)) [L442] COND FALSE !(!(ep31 == 0)) [L451] newmax1 = node1__newmax [L452] COND FALSE !(((int)r1) == 2) [L458] mode1 = 0 [L460] _Bool node2__newmax; [L461] node2__newmax = 0 [L462] COND TRUE !(mode2 == 0) [L464] r2 = (char)(((int)r2) + 1) [L465] COND FALSE !(!(ep12 == 0)) [L474] COND FALSE !(!(ep32 == 0)) [L483] newmax2 = node2__newmax [L484] COND FALSE !(((int)r2) == 2) [L490] mode2 = 0 [L492] _Bool node3__newmax; [L493] node3__newmax = 0 [L494] COND TRUE !(mode3 == 0) [L496] r3 = (char)(((int)r3) + 1) [L497] COND FALSE !(!(ep13 == 0)) [L506] COND FALSE !(!(ep23 == 0)) [L515] newmax3 = node3__newmax [L516] COND FALSE !(((int)r3) == 2) [L522] mode3 = 0 [L523] p12_old = p12_new [L524] p12_new = nomsg [L525] p13_old = p13_new [L526] p13_new = nomsg [L527] p21_old = p21_new [L528] p21_new = nomsg [L529] p23_old = p23_new [L530] p23_new = nomsg [L531] p31_old = p31_new [L532] p31_new = nomsg [L533] p32_old = p32_new [L534] p32_new = nomsg [L536] int check__tmp; [L537] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L539] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L541] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L543] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L545] COND FALSE !(((int)r1) >= 2) [L551] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L553] COND TRUE ((int)r1) < 2 [L555] COND FALSE !(((int)r1) >= 2) [L561] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L563] COND TRUE ((int)r1) < 2 [L565] check__tmp = 1 [L566] __return_2166 = check__tmp [L567] main__c1 = __return_2166 [L569] _Bool __tmp_2; [L570] __tmp_2 = main__c1 [L571] _Bool assert__arg; [L572] assert__arg = __tmp_2 [L573] COND FALSE !(assert__arg == 0) [L579] int main____CPAchecker_TMP_0 = main__i2; [L580] main__i2 = main__i2 + 1 [L581] COND TRUE main__i2 < 6 [L584] _Bool node1__newmax; [L585] node1__newmax = 0 [L586] COND FALSE !(!(mode1 == 0)) [L592] COND TRUE ((int)r1) < 2 [L594] COND FALSE !(!(ep12 == 0)) [L607] COND FALSE !(!(ep13 == 0)) [L620] mode1 = 1 [L622] _Bool node2__newmax; [L623] node2__newmax = 0 [L624] COND FALSE !(!(mode2 == 0)) [L630] COND TRUE ((int)r2) < 2 [L632] COND FALSE !(!(ep21 == 0)) [L645] COND FALSE !(!(ep23 == 0)) [L658] mode2 = 1 [L660] _Bool node3__newmax; [L661] node3__newmax = 0 [L662] COND FALSE !(!(mode3 == 0)) [L668] COND TRUE ((int)r3) < 2 [L670] COND FALSE !(!(ep31 == 0)) [L683] COND FALSE !(!(ep32 == 0)) [L696] mode3 = 1 [L697] p12_old = p12_new [L698] p12_new = nomsg [L699] p13_old = p13_new [L700] p13_new = nomsg [L701] p21_old = p21_new [L702] p21_new = nomsg [L703] p23_old = p23_new [L704] p23_new = nomsg [L705] p31_old = p31_new [L706] p31_new = nomsg [L707] p32_old = p32_new [L708] p32_new = nomsg [L710] int check__tmp; [L711] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L713] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L715] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L717] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L719] COND FALSE !(((int)r1) >= 2) [L725] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L727] COND TRUE ((int)r1) < 2 [L729] COND FALSE !(((int)r1) >= 2) [L735] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L737] COND TRUE ((int)r1) < 2 [L739] check__tmp = 1 [L740] __return_2305 = check__tmp [L741] main__c1 = __return_2305 [L743] _Bool __tmp_3; [L744] __tmp_3 = main__c1 [L745] _Bool assert__arg; [L746] assert__arg = __tmp_3 [L747] COND FALSE !(assert__arg == 0) [L753] int main____CPAchecker_TMP_0 = main__i2; [L754] main__i2 = main__i2 + 1 [L755] COND TRUE main__i2 < 6 [L758] _Bool node1__newmax; [L759] node1__newmax = 0 [L760] COND TRUE !(mode1 == 0) [L762] r1 = (char)(((int)r1) + 1) [L763] COND FALSE !(!(ep21 == 0)) [L772] COND FALSE !(!(ep31 == 0)) [L781] newmax1 = node1__newmax [L782] COND TRUE ((int)r1) == 2 [L784] COND FALSE !(((int)max1) == ((int)id1)) [L1811] nl1 = 1 [L1812] mode1 = 0 [L1814] _Bool node2__newmax; [L1815] node2__newmax = 0 [L1816] COND TRUE !(mode2 == 0) [L1818] r2 = (char)(((int)r2) + 1) [L1819] COND FALSE !(!(ep12 == 0)) [L1828] COND FALSE !(!(ep32 == 0)) [L1837] newmax2 = node2__newmax [L1838] COND TRUE ((int)r2) == 2 [L1840] COND FALSE !(((int)max2) == ((int)id2)) [L2058] nl2 = 1 [L2059] mode2 = 0 [L2061] _Bool node3__newmax; [L2062] node3__newmax = 0 [L2063] COND TRUE !(mode3 == 0) [L2065] r3 = (char)(((int)r3) + 1) [L2066] COND FALSE !(!(ep13 == 0)) [L2075] COND FALSE !(!(ep23 == 0)) [L2084] newmax3 = node3__newmax [L2085] COND TRUE ((int)r3) == 2 [L2087] COND FALSE !(((int)max3) == ((int)id3)) [L2197] nl3 = 1 [L2198] mode3 = 0 [L2199] p12_old = p12_new [L2200] p12_new = nomsg [L2201] p13_old = p13_new [L2202] p13_new = nomsg [L2203] p21_old = p21_new [L2204] p21_new = nomsg [L2205] p23_old = p23_new [L2206] p23_new = nomsg [L2207] p31_old = p31_new [L2208] p31_new = nomsg [L2209] p32_old = p32_new [L2210] p32_new = nomsg [L2212] int check__tmp; [L2213] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L2215] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L2217] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L2219] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L2221] COND TRUE ((int)r1) >= 2 [L2223] COND FALSE !(((int)r1) < 2) [L2229] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 1) [L2235] check__tmp = 0 [L2236] __return_2443 = check__tmp [L2237] main__c1 = __return_2443 [L2238] __tmp_2444_0 = main____CPAchecker_TMP_0 [L1092] main____CPAchecker_TMP_0 = __tmp_2444_0 [L1094] _Bool __tmp_7; [L1095] __tmp_7 = main__c1 [L1096] _Bool assert__arg; [L1097] assert__arg = __tmp_7 [L1098] COND TRUE assert__arg == 0 [L1100] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...