java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:18:48,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:18:48,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:18:48,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:18:48,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:18:48,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:18:48,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:18:48,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:18:48,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:18:48,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:18:48,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:18:48,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:18:48,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:18:48,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:18:48,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:18:48,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:18:48,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:18:48,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:18:48,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:18:48,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:18:48,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:18:48,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:18:48,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:18:48,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:18:48,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:18:48,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:18:48,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:18:48,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:18:48,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:18:48,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:18:48,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:18:48,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:18:48,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:18:48,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:18:48,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:18:48,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:18:48,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 17:18:48,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:18:48,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:18:48,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:18:48,907 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:18:48,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:18:48,907 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:18:48,908 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:18:48,908 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:18:48,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:18:48,908 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:18:48,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:18:48,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:18:48,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:18:48,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:18:48,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:18:48,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:18:48,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:18:48,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:18:48,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:18:48,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:18:48,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:18:48,911 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:18:48,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:18:48,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:18:48,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:18:48,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:18:48,912 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:18:48,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:18:48,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:18:48,913 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:18:48,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:18:48,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:18:48,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:18:48,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:18:48,971 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:18:48,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:18:49,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6591aac9c/975dee3f91f748899da7542f65c3301a/FLAG61fb5b9aa [2019-09-11 17:18:49,655 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:18:49,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:18:49,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6591aac9c/975dee3f91f748899da7542f65c3301a/FLAG61fb5b9aa [2019-09-11 17:18:49,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6591aac9c/975dee3f91f748899da7542f65c3301a [2019-09-11 17:18:49,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:18:49,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:18:49,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:49,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:18:49,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:18:49,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:49" (1/1) ... [2019-09-11 17:18:49,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@969901d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:49, skipping insertion in model container [2019-09-11 17:18:49,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:49" (1/1) ... [2019-09-11 17:18:49,966 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:18:50,058 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:18:50,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:50,731 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:18:51,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:51,188 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:18:51,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51 WrapperNode [2019-09-11 17:18:51,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:51,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:18:51,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:18:51,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:18:51,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (1/1) ... [2019-09-11 17:18:51,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (1/1) ... [2019-09-11 17:18:51,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (1/1) ... [2019-09-11 17:18:51,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (1/1) ... [2019-09-11 17:18:51,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (1/1) ... [2019-09-11 17:18:51,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (1/1) ... [2019-09-11 17:18:51,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (1/1) ... [2019-09-11 17:18:51,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:18:51,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:18:51,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:18:51,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:18:51,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:51" (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 17:18:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:18:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:18:51,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:18:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:18:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:18:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:18:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:18:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:18:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:18:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:18:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:18:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:18:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:18:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:18:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:18:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:18:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:18:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:18:51,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:18:51,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:18:53,153 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:18:53,153 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:18:53,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:53 BoogieIcfgContainer [2019-09-11 17:18:53,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:18:53,155 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:18:53,156 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:18:53,156 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:18:53,157 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:53,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:18:53,418 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:18:57,206 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:18:57,332 INFO L272 AbstractInterpreter]: Visited 421 different actions 3246 times. Merged at 245 different actions 1824 times. Widened at 45 different actions 265 times. Performed 11009 root evaluator evaluations with a maximum evaluation depth of 6. Performed 11009 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 678 fixpoints after 123 different actions. Largest state had 302 variables. [2019-09-11 17:18:57,333 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:18:57,335 INFO L168 Benchmark]: Toolchain (without parser) took 7385.87 ms. Allocated memory was 137.4 MB in the beginning and 383.8 MB in the end (delta: 246.4 MB). Free memory was 88.0 MB in the beginning and 143.9 MB in the end (delta: -55.9 MB). Peak memory consumption was 190.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:57,336 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:18:57,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1239.07 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 87.8 MB in the beginning and 153.3 MB in the end (delta: -65.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:57,338 INFO L168 Benchmark]: Boogie Preprocessor took 128.15 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 148.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:57,339 INFO L168 Benchmark]: RCFGBuilder took 1836.87 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 148.2 MB in the beginning and 117.6 MB in the end (delta: 30.6 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:57,340 INFO L168 Benchmark]: Abstract Interpretation took 4177.27 ms. Allocated memory was 233.3 MB in the beginning and 383.8 MB in the end (delta: 150.5 MB). Free memory was 116.2 MB in the beginning and 143.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 122.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:57,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1239.07 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 87.8 MB in the beginning and 153.3 MB in the end (delta: -65.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.15 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 148.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1836.87 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 148.2 MB in the beginning and 117.6 MB in the end (delta: 30.6 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 4177.27 ms. Allocated memory was 233.3 MB in the beginning and 383.8 MB in the end (delta: 150.5 MB). Free memory was 116.2 MB in the beginning and 143.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 122.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 901]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1766] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1227] mode2 = 0 [L310] msg_t node3__m3; [L311] node3__m3 = nomsg [L312] COND TRUE !(mode3 == 0) [L314] node3__m3 = p2_old [L315] p2_old = nomsg [L316] COND TRUE ((int)node3__m3) != ((int)nomsg) [L318] COND FALSE !(((int)node3__m3) > ((int)id3)) [L799] COND TRUE ((int)node3__m3) == ((int)id3) [L801] st3 = 1 [L802] mode3 = 0 [L804] msg_t node4__m4; [L805] node4__m4 = nomsg [L806] COND TRUE !(mode4 == 0) [L808] node4__m4 = p3_old [L809] p3_old = nomsg [L810] COND TRUE ((int)node4__m4) != ((int)nomsg) [L812] COND FALSE !(((int)node4__m4) > ((int)id4)) [L871] COND TRUE ((int)node4__m4) == ((int)id4) [L873] st4 = 1 [L874] mode4 = 0 [L875] p1_old = p1_new [L876] p1_new = nomsg [L877] p2_old = p2_new [L878] p2_new = nomsg [L879] p3_old = p3_new [L880] p3_new = nomsg [L881] p4_old = p4_new [L882] p4_new = nomsg [L884] int check__tmp; [L885] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L891] check__tmp = 0 [L892] __return_3778 = check__tmp [L893] main__c1 = __return_3778 [L895] _Bool __tmp_6; [L896] __tmp_6 = main__c1 [L897] _Bool assert__arg; [L898] assert__arg = __tmp_6 [L899] COND TRUE assert__arg == 0 [L901] __VERIFIER_error() - UnprovableResult [Line: 1143]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1766] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L950] COND TRUE ((int)node2__m2) == ((int)id2) [L952] st2 = 1 [L953] mode2 = 0 [L955] msg_t node3__m3; [L956] node3__m3 = nomsg [L957] COND TRUE !(mode3 == 0) [L959] node3__m3 = p2_old [L960] p2_old = nomsg [L961] COND TRUE ((int)node3__m3) != ((int)nomsg) [L963] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1098] COND TRUE ((int)node3__m3) == ((int)id3) [L1100] st3 = 1 [L1101] mode3 = 0 [L1103] msg_t node4__m4; [L1104] node4__m4 = nomsg [L1105] COND TRUE !(mode4 == 0) [L1107] node4__m4 = p3_old [L1108] p3_old = nomsg [L1109] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1191] mode4 = 0 [L1117] p1_old = p1_new [L1118] p1_new = nomsg [L1119] p2_old = p2_new [L1120] p2_new = nomsg [L1121] p3_old = p3_new [L1122] p3_new = nomsg [L1123] p4_old = p4_new [L1124] p4_new = nomsg [L1126] int check__tmp; [L1127] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1133] check__tmp = 0 [L1134] __return_4335 = check__tmp [L1135] main__c1 = __return_4335 [L1137] _Bool __tmp_9; [L1138] __tmp_9 = main__c1 [L1139] _Bool assert__arg; [L1140] assert__arg = __tmp_9 [L1141] COND TRUE assert__arg == 0 [L1143] __VERIFIER_error() - UnprovableResult [Line: 1067]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1766] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L950] COND TRUE ((int)node2__m2) == ((int)id2) [L952] st2 = 1 [L953] mode2 = 0 [L955] msg_t node3__m3; [L956] node3__m3 = nomsg [L957] COND TRUE !(mode3 == 0) [L959] node3__m3 = p2_old [L960] p2_old = nomsg [L961] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1209] mode3 = 0 [L970] msg_t node4__m4; [L971] node4__m4 = nomsg [L972] COND TRUE !(mode4 == 0) [L974] node4__m4 = p3_old [L975] p3_old = nomsg [L976] COND TRUE ((int)node4__m4) != ((int)nomsg) [L978] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1037] COND TRUE ((int)node4__m4) == ((int)id4) [L1039] st4 = 1 [L1040] mode4 = 0 [L1041] p1_old = p1_new [L1042] p1_new = nomsg [L1043] p2_old = p2_new [L1044] p2_new = nomsg [L1045] p3_old = p3_new [L1046] p3_new = nomsg [L1047] p4_old = p4_new [L1048] p4_new = nomsg [L1050] int check__tmp; [L1051] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1057] check__tmp = 0 [L1058] __return_4161 = check__tmp [L1059] main__c1 = __return_4161 [L1061] _Bool __tmp_8; [L1062] __tmp_8 = main__c1 [L1063] _Bool assert__arg; [L1064] assert__arg = __tmp_8 [L1065] COND TRUE assert__arg == 0 [L1067] __VERIFIER_error() - UnprovableResult [Line: 1371]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1239] COND TRUE ((int)node1__m1) == ((int)id1) [L1241] st1 = 1 [L1242] mode1 = 0 [L1244] msg_t node2__m2; [L1245] node2__m2 = nomsg [L1246] COND TRUE !(mode2 == 0) [L1248] node2__m2 = p1_old [L1249] p1_old = nomsg [L1250] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1747] mode2 = 0 [L1259] msg_t node3__m3; [L1260] node3__m3 = nomsg [L1261] COND TRUE !(mode3 == 0) [L1263] node3__m3 = p2_old [L1264] p2_old = nomsg [L1265] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1513] mode3 = 0 [L1274] msg_t node4__m4; [L1275] node4__m4 = nomsg [L1276] COND TRUE !(mode4 == 0) [L1278] node4__m4 = p3_old [L1279] p3_old = nomsg [L1280] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1282] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1341] COND TRUE ((int)node4__m4) == ((int)id4) [L1343] st4 = 1 [L1344] mode4 = 0 [L1345] p1_old = p1_new [L1346] p1_new = nomsg [L1347] p2_old = p2_new [L1348] p2_new = nomsg [L1349] p3_old = p3_new [L1350] p3_new = nomsg [L1351] p4_old = p4_new [L1352] p4_new = nomsg [L1354] int check__tmp; [L1355] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1361] check__tmp = 0 [L1362] __return_3495 = check__tmp [L1363] main__c1 = __return_3495 [L1365] _Bool __tmp_11; [L1366] __tmp_11 = main__c1 [L1367] _Bool assert__arg; [L1368] assert__arg = __tmp_11 [L1369] COND TRUE assert__arg == 0 [L1371] __VERIFIER_error() - UnprovableResult [Line: 1447]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1239] COND TRUE ((int)node1__m1) == ((int)id1) [L1241] st1 = 1 [L1242] mode1 = 0 [L1244] msg_t node2__m2; [L1245] node2__m2 = nomsg [L1246] COND TRUE !(mode2 == 0) [L1248] node2__m2 = p1_old [L1249] p1_old = nomsg [L1250] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1747] mode2 = 0 [L1259] msg_t node3__m3; [L1260] node3__m3 = nomsg [L1261] COND TRUE !(mode3 == 0) [L1263] node3__m3 = p2_old [L1264] p2_old = nomsg [L1265] COND TRUE ((int)node3__m3) != ((int)nomsg) [L1267] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1402] COND TRUE ((int)node3__m3) == ((int)id3) [L1404] st3 = 1 [L1405] mode3 = 0 [L1407] msg_t node4__m4; [L1408] node4__m4 = nomsg [L1409] COND TRUE !(mode4 == 0) [L1411] node4__m4 = p3_old [L1412] p3_old = nomsg [L1413] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1495] mode4 = 0 [L1421] p1_old = p1_new [L1422] p1_new = nomsg [L1423] p2_old = p2_new [L1424] p2_new = nomsg [L1425] p3_old = p3_new [L1426] p3_new = nomsg [L1427] p4_old = p4_new [L1428] p4_new = nomsg [L1430] int check__tmp; [L1431] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1437] check__tmp = 0 [L1438] __return_3692 = check__tmp [L1439] main__c1 = __return_3692 [L1441] _Bool __tmp_12; [L1442] __tmp_12 = main__c1 [L1443] _Bool assert__arg; [L1444] assert__arg = __tmp_12 [L1445] COND TRUE assert__arg == 0 [L1447] __VERIFIER_error() - UnprovableResult [Line: 1585]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1239] COND TRUE ((int)node1__m1) == ((int)id1) [L1241] st1 = 1 [L1242] mode1 = 0 [L1244] msg_t node2__m2; [L1245] node2__m2 = nomsg [L1246] COND TRUE !(mode2 == 0) [L1248] node2__m2 = p1_old [L1249] p1_old = nomsg [L1250] COND TRUE ((int)node2__m2) != ((int)nomsg) [L1252] COND FALSE !(((int)node2__m2) > ((int)id2)) [L1525] COND TRUE ((int)node2__m2) == ((int)id2) [L1527] st2 = 1 [L1528] mode2 = 0 [L1530] msg_t node3__m3; [L1531] node3__m3 = nomsg [L1532] COND TRUE !(mode3 == 0) [L1534] node3__m3 = p2_old [L1535] p2_old = nomsg [L1536] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1729] mode3 = 0 [L1545] msg_t node4__m4; [L1546] node4__m4 = nomsg [L1547] COND TRUE !(mode4 == 0) [L1549] node4__m4 = p3_old [L1550] p3_old = nomsg [L1551] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1633] mode4 = 0 [L1559] p1_old = p1_new [L1560] p1_new = nomsg [L1561] p2_old = p2_new [L1562] p2_new = nomsg [L1563] p3_old = p3_new [L1564] p3_new = nomsg [L1565] p4_old = p4_new [L1566] p4_new = nomsg [L1568] int check__tmp; [L1569] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1575] check__tmp = 0 [L1576] __return_4077 = check__tmp [L1577] main__c1 = __return_4077 [L1579] _Bool __tmp_13; [L1580] __tmp_13 = main__c1 [L1581] _Bool assert__arg; [L1582] assert__arg = __tmp_13 [L1583] COND TRUE assert__arg == 0 [L1585] __VERIFIER_error() - UnprovableResult [Line: 852]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1766] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1227] mode2 = 0 [L310] msg_t node3__m3; [L311] node3__m3 = nomsg [L312] COND TRUE !(mode3 == 0) [L314] node3__m3 = p2_old [L315] p2_old = nomsg [L316] COND TRUE ((int)node3__m3) != ((int)nomsg) [L318] COND FALSE !(((int)node3__m3) > ((int)id3)) [L799] COND TRUE ((int)node3__m3) == ((int)id3) [L801] st3 = 1 [L802] mode3 = 0 [L804] msg_t node4__m4; [L805] node4__m4 = nomsg [L806] COND TRUE !(mode4 == 0) [L808] node4__m4 = p3_old [L809] p3_old = nomsg [L810] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L920] mode4 = 0 [L818] p1_old = p1_new [L819] p1_new = nomsg [L820] p2_old = p2_new [L821] p2_new = nomsg [L822] p3_old = p3_new [L823] p3_new = nomsg [L824] p4_old = p4_new [L825] p4_new = nomsg [L827] int check__tmp; [L828] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L830] COND FALSE !(((int)r1) >= 4) [L836] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L842] check__tmp = 0 [L843] __return_3610 = check__tmp [L844] main__c1 = __return_3610 [L846] _Bool __tmp_5; [L847] __tmp_5 = main__c1 [L848] _Bool assert__arg; [L849] assert__arg = __tmp_5 [L850] COND TRUE assert__arg == 0 [L852] __VERIFIER_error() - UnprovableResult [Line: 762]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1766] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1227] mode2 = 0 [L310] msg_t node3__m3; [L311] node3__m3 = nomsg [L312] COND TRUE !(mode3 == 0) [L314] node3__m3 = p2_old [L315] p2_old = nomsg [L316] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L938] mode3 = 0 [L325] msg_t node4__m4; [L326] node4__m4 = nomsg [L327] COND TRUE !(mode4 == 0) [L329] node4__m4 = p3_old [L330] p3_old = nomsg [L331] COND TRUE ((int)node4__m4) != ((int)nomsg) [L333] COND FALSE !(((int)node4__m4) > ((int)id4)) [L724] COND TRUE ((int)node4__m4) == ((int)id4) [L726] st4 = 1 [L727] mode4 = 0 [L728] p1_old = p1_new [L729] p1_new = nomsg [L730] p2_old = p2_new [L731] p2_new = nomsg [L732] p3_old = p3_new [L733] p3_new = nomsg [L734] p4_old = p4_new [L735] p4_new = nomsg [L737] int check__tmp; [L738] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L740] COND FALSE !(((int)r1) >= 4) [L746] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L752] check__tmp = 0 [L753] __return_3425 = check__tmp [L754] main__c1 = __return_3425 [L756] _Bool __tmp_4; [L757] __tmp_4 = main__c1 [L758] _Bool assert__arg; [L759] assert__arg = __tmp_4 [L760] COND TRUE assert__arg == 0 [L762] __VERIFIER_error() - UnprovableResult [Line: 1018]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1766] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L950] COND TRUE ((int)node2__m2) == ((int)id2) [L952] st2 = 1 [L953] mode2 = 0 [L955] msg_t node3__m3; [L956] node3__m3 = nomsg [L957] COND TRUE !(mode3 == 0) [L959] node3__m3 = p2_old [L960] p2_old = nomsg [L961] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1209] mode3 = 0 [L970] msg_t node4__m4; [L971] node4__m4 = nomsg [L972] COND TRUE !(mode4 == 0) [L974] node4__m4 = p3_old [L975] p3_old = nomsg [L976] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1086] mode4 = 0 [L984] p1_old = p1_new [L985] p1_new = nomsg [L986] p2_old = p2_new [L987] p2_new = nomsg [L988] p3_old = p3_new [L989] p3_new = nomsg [L990] p4_old = p4_new [L991] p4_new = nomsg [L993] int check__tmp; [L994] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L996] COND FALSE !(((int)r1) >= 4) [L1002] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L1008] check__tmp = 0 [L1009] __return_3983 = check__tmp [L1010] main__c1 = __return_3983 [L1012] _Bool __tmp_7; [L1013] __tmp_7 = main__c1 [L1014] _Bool assert__arg; [L1015] assert__arg = __tmp_7 [L1016] COND TRUE assert__arg == 0 [L1018] __VERIFIER_error() - UnprovableResult [Line: 1322]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND TRUE ((int)node1__m1) != ((int)nomsg) [L288] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1239] COND TRUE ((int)node1__m1) == ((int)id1) [L1241] st1 = 1 [L1242] mode1 = 0 [L1244] msg_t node2__m2; [L1245] node2__m2 = nomsg [L1246] COND TRUE !(mode2 == 0) [L1248] node2__m2 = p1_old [L1249] p1_old = nomsg [L1250] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1747] mode2 = 0 [L1259] msg_t node3__m3; [L1260] node3__m3 = nomsg [L1261] COND TRUE !(mode3 == 0) [L1263] node3__m3 = p2_old [L1264] p2_old = nomsg [L1265] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1513] mode3 = 0 [L1274] msg_t node4__m4; [L1275] node4__m4 = nomsg [L1276] COND TRUE !(mode4 == 0) [L1278] node4__m4 = p3_old [L1279] p3_old = nomsg [L1280] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1390] mode4 = 0 [L1288] p1_old = p1_new [L1289] p1_new = nomsg [L1290] p2_old = p2_new [L1291] p2_new = nomsg [L1292] p3_old = p3_new [L1293] p3_new = nomsg [L1294] p4_old = p4_new [L1295] p4_new = nomsg [L1297] int check__tmp; [L1298] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1300] COND FALSE !(((int)r1) >= 4) [L1306] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L1312] check__tmp = 0 [L1313] __return_3338 = check__tmp [L1314] main__c1 = __return_3338 [L1316] _Bool __tmp_10; [L1317] __tmp_10 = main__c1 [L1318] _Bool assert__arg; [L1319] assert__arg = __tmp_10 [L1320] COND TRUE assert__arg == 0 [L1322] __VERIFIER_error() - UnprovableResult [Line: 473]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L46] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L50] int __return_2904; [L51] int __return_4524; [L52] int __return_3074; [L53] int __return_3157; [L54] int __return_3425; [L55] int __return_3610; [L56] int __return_3778; [L57] int __return_3983; [L58] int __return_4161; [L59] int __return_4335; [L60] int __return_4495; [L61] int __return_3338; [L62] int __return_3495; [L63] int __return_3692; [L64] int __return_3850; [L65] int __return_4077; [L66] int __return_4231; [L67] int __return_4417; [L68] int __return_4460; [L69] int __return_4370; [L70] int __return_4288; [L71] int __return_4196; [L72] int __return_4126; [L73] int __return_4018; [L74] int __return_3921; [L75] int __return_3815; [L76] int __return_3743; [L77] int __return_3645; [L78] int __return_3560; [L79] int __return_3460; [L80] int __return_3387; [L81] int __return_3263; [L82] int __return_2995; [L85] int main__c1; [L86] int main__i2; [L87] main__c1 = 0 [L88] r1 = __VERIFIER_nondet_uchar() [L89] id1 = __VERIFIER_nondet_char() [L90] st1 = __VERIFIER_nondet_char() [L91] send1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] st2 = __VERIFIER_nondet_char() [L95] send2 = __VERIFIER_nondet_char() [L96] mode2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] send3 = __VERIFIER_nondet_char() [L100] mode3 = __VERIFIER_nondet_bool() [L101] id4 = __VERIFIER_nondet_char() [L102] st4 = __VERIFIER_nondet_char() [L103] send4 = __VERIFIER_nondet_char() [L104] mode4 = __VERIFIER_nondet_bool() [L106] int init__tmp; [L107] COND TRUE ((int)r1) == 0 [L109] COND TRUE ((int)id1) >= 0 [L111] COND TRUE ((int)st1) == 0 [L113] COND TRUE ((int)send1) == ((int)id1) [L115] COND TRUE ((int)mode1) == 0 [L117] COND TRUE ((int)id2) >= 0 [L119] COND TRUE ((int)st2) == 0 [L121] COND TRUE ((int)send2) == ((int)id2) [L123] COND TRUE ((int)mode2) == 0 [L125] COND TRUE ((int)id3) >= 0 [L127] COND TRUE ((int)st3) == 0 [L129] COND TRUE ((int)send3) == ((int)id3) [L131] COND TRUE ((int)mode3) == 0 [L133] COND TRUE ((int)id4) >= 0 [L135] COND TRUE ((int)st4) == 0 [L137] COND TRUE ((int)send4) == ((int)id4) [L139] COND TRUE ((int)mode4) == 0 [L141] COND TRUE ((int)id1) != ((int)id2) [L143] COND TRUE ((int)id1) != ((int)id3) [L145] COND TRUE ((int)id1) != ((int)id4) [L147] COND TRUE ((int)id2) != ((int)id3) [L149] COND TRUE ((int)id2) != ((int)id4) [L151] COND TRUE ((int)id3) != ((int)id4) [L153] init__tmp = 1 [L154] __return_2904 = init__tmp [L155] main__i2 = __return_2904 [L156] COND TRUE main__i2 != 0 [L158] p1_old = nomsg [L159] p1_new = nomsg [L160] p2_old = nomsg [L161] p2_new = nomsg [L162] p3_old = nomsg [L163] p3_new = nomsg [L164] p4_old = nomsg [L165] p4_new = nomsg [L166] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L176] int node1____CPAchecker_TMP_0; [L177] COND TRUE send1 != nomsg [L179] COND TRUE p1_new == nomsg [L181] node1____CPAchecker_TMP_0 = send1 [L182] p1_new = node1____CPAchecker_TMP_0 [L183] mode1 = 1 [L185] msg_t node2__m2; [L186] node2__m2 = nomsg [L187] COND FALSE !(!(mode2 == 0)) [L193] int node2____CPAchecker_TMP_0; [L194] COND TRUE send2 != nomsg [L196] COND TRUE p2_new == nomsg [L198] node2____CPAchecker_TMP_0 = send2 [L199] p2_new = node2____CPAchecker_TMP_0 [L200] mode2 = 1 [L202] msg_t node3__m3; [L203] node3__m3 = nomsg [L204] COND FALSE !(!(mode3 == 0)) [L210] int node3____CPAchecker_TMP_0; [L211] COND TRUE send3 != nomsg [L213] COND TRUE p3_new == nomsg [L215] node3____CPAchecker_TMP_0 = send3 [L216] p3_new = node3____CPAchecker_TMP_0 [L217] mode3 = 1 [L219] msg_t node4__m4; [L220] node4__m4 = nomsg [L221] COND FALSE !(!(mode4 == 0)) [L227] int node4____CPAchecker_TMP_0; [L228] COND TRUE send4 != nomsg [L230] COND TRUE p4_new == nomsg [L232] node4____CPAchecker_TMP_0 = send4 [L233] p4_new = node4____CPAchecker_TMP_0 [L234] mode4 = 1 [L235] p1_old = p1_new [L236] p1_new = nomsg [L237] p2_old = p2_new [L238] p2_new = nomsg [L239] p3_old = p3_new [L240] p3_new = nomsg [L241] p4_old = p4_new [L242] p4_new = nomsg [L244] int check__tmp; [L245] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L247] COND FALSE !(((int)r1) >= 4) [L253] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L255] COND TRUE ((int)r1) < 4 [L257] check__tmp = 1 [L258] __return_4524 = check__tmp [L259] main__c1 = __return_4524 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L273] msg_t node1__m1; [L274] node1__m1 = nomsg [L275] COND TRUE !(mode1 == 0) [L277] COND FALSE !(r1 == 255) [L283] r1 = r1 + 1 [L284] node1__m1 = p4_old [L285] p4_old = nomsg [L286] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L1766] mode1 = 0 [L295] msg_t node2__m2; [L296] node2__m2 = nomsg [L297] COND TRUE !(mode2 == 0) [L299] node2__m2 = p1_old [L300] p1_old = nomsg [L301] COND TRUE ((int)node2__m2) != ((int)nomsg) [L303] COND FALSE !(((int)node2__m2) > ((int)id2)) [L950] COND TRUE ((int)node2__m2) == ((int)id2) [L952] st2 = 1 [L953] mode2 = 0 [L955] msg_t node3__m3; [L956] node3__m3 = nomsg [L957] COND TRUE !(mode3 == 0) [L959] node3__m3 = p2_old [L960] p2_old = nomsg [L961] COND TRUE ((int)node3__m3) != ((int)nomsg) [L963] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1098] COND TRUE ((int)node3__m3) == ((int)id3) [L1100] st3 = 1 [L1101] mode3 = 0 [L1103] msg_t node4__m4; [L1104] node4__m4 = nomsg [L1105] COND TRUE !(mode4 == 0) [L1107] node4__m4 = p3_old [L1108] p3_old = nomsg [L1109] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1111] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1156] COND TRUE ((int)node4__m4) == ((int)id4) [L1158] st4 = 1 [L1159] mode4 = 0 [L1160] p1_old = p1_new [L1161] p1_new = nomsg [L1162] p2_old = p2_new [L1163] p2_new = nomsg [L1164] p3_old = p3_new [L1165] p3_new = nomsg [L1166] p4_old = p4_new [L1167] p4_new = nomsg [L1169] int check__tmp; [L1170] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1176] check__tmp = 0 [L1177] __return_4495 = check__tmp [L1178] main__c1 = __return_4495 [L467] _Bool __tmp_3; [L468] __tmp_3 = main__c1 [L469] _Bool assert__arg; [L470] assert__arg = __tmp_3 [L471] COND TRUE assert__arg == 0 [L473] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...