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+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:18:51,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:18:51,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:18:51,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:18:51,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:18:51,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:18:51,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:18:51,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:18:51,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:18:51,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:18:51,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:18:51,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:18:51,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:18:51,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:18:51,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:18:51,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:18:51,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:18:51,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:18:51,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:18:51,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:18:51,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:18:51,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:18:51,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:18:51,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:18:51,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:18:51,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:18:51,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:18:51,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:18:51,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:18:51,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:18:51,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:18:51,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:18:51,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:18:51,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:18:51,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:18:51,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:18:51,610 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 17:18:51,637 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:18:51,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:18:51,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:18:51,638 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:18:51,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:18:51,638 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:18:51,639 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:18:51,639 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:18:51,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:18:51,639 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:18:51,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:18:51,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:18:51,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:18:51,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:18:51,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:18:51,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:18:51,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:18:51,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:18:51,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:18:51,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:18:51,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:18:51,642 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:18:51,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:18:51,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:18:51,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:18:51,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:18:51,643 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:18:51,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:18:51,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:18:51,644 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:18:51,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:18:51,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:18:51,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:18:51,702 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:18:51,703 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:18:51,703 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-09-11 17:18:51,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7782bf88/7eb77f8e47d4462eab50aa5c4ae67a1c/FLAGd9f486c3d [2019-09-11 17:18:52,378 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:18:52,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-09-11 17:18:52,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7782bf88/7eb77f8e47d4462eab50aa5c4ae67a1c/FLAGd9f486c3d [2019-09-11 17:18:52,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7782bf88/7eb77f8e47d4462eab50aa5c4ae67a1c [2019-09-11 17:18:52,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:18:52,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:18:52,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:52,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:18:52,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:18:52,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:52" (1/1) ... [2019-09-11 17:18:52,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ca7b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:52, skipping insertion in model container [2019-09-11 17:18:52,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:52" (1/1) ... [2019-09-11 17:18:52,644 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:18:52,742 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:18:53,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:53,497 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:18:53,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:53,946 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:18:53,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53 WrapperNode [2019-09-11 17:18:53,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:53,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:18:53,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:18:53,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:18:53,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:53,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:53,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:53,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:54,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:54,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:54,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (1/1) ... [2019-09-11 17:18:54,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:18:54,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:18:54,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:18:54,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:18:54,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:53" (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 17:18:54,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:18:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:18:54,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:18:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:18:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:18:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:18:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:18:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:18:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:18:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:18:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:18:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:18:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:18:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:18:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:18:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:18:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:18:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:18:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:18:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:18:56,443 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:18:56,444 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:18:56,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:56 BoogieIcfgContainer [2019-09-11 17:18:56,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:18:56,447 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:18:56,447 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:18:56,447 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:18:56,448 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,497 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:18:56,786 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:19:01,432 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:19:01,557 INFO L272 AbstractInterpreter]: Visited 420 different actions 3403 times. Merged at 241 different actions 1919 times. Widened at 38 different actions 304 times. Performed 11043 root evaluator evaluations with a maximum evaluation depth of 6. Performed 11043 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 740 fixpoints after 126 different actions. Largest state had 351 variables. [2019-09-11 17:19:01,557 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:19:01,560 INFO L168 Benchmark]: Toolchain (without parser) took 8932.98 ms. Allocated memory was 134.7 MB in the beginning and 553.1 MB in the end (delta: 418.4 MB). Free memory was 88.3 MB in the beginning and 330.9 MB in the end (delta: -242.6 MB). Peak memory consumption was 175.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:01,561 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:19:01,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1320.06 ms. Allocated memory was 134.7 MB in the beginning and 212.9 MB in the end (delta: 78.1 MB). Free memory was 88.1 MB in the beginning and 155.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:01,564 INFO L168 Benchmark]: Boogie Preprocessor took 161.61 ms. Allocated memory is still 212.9 MB. Free memory was 155.5 MB in the beginning and 148.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:01,566 INFO L168 Benchmark]: RCFGBuilder took 2336.50 ms. Allocated memory was 212.9 MB in the beginning and 280.5 MB in the end (delta: 67.6 MB). Free memory was 148.6 MB in the beginning and 119.5 MB in the end (delta: 29.1 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:01,568 INFO L168 Benchmark]: Abstract Interpretation took 5110.43 ms. Allocated memory was 280.5 MB in the beginning and 553.1 MB in the end (delta: 272.6 MB). Free memory was 119.5 MB in the beginning and 330.9 MB in the end (delta: -211.4 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:01,577 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1320.06 ms. Allocated memory was 134.7 MB in the beginning and 212.9 MB in the end (delta: 78.1 MB). Free memory was 88.1 MB in the beginning and 155.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 161.61 ms. Allocated memory is still 212.9 MB. Free memory was 155.5 MB in the beginning and 148.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2336.50 ms. Allocated memory was 212.9 MB in the beginning and 280.5 MB in the end (delta: 67.6 MB). Free memory was 148.6 MB in the beginning and 119.5 MB in the end (delta: 29.1 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 5110.43 ms. Allocated memory was 280.5 MB in the beginning and 553.1 MB in the end (delta: 272.6 MB). Free memory was 119.5 MB in the beginning and 330.9 MB in the end (delta: -211.4 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 2990]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2417] msg_t node3__m3; [L2418] node3__m3 = nomsg [L2419] COND TRUE !(mode3 == 0) [L2421] node3__m3 = p2_old [L2422] p2_old = nomsg [L2423] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2425] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2432] COND TRUE ((int)node3__m3) == ((int)id3) [L2434] st3 = 1 [L2435] mode3 = 0 [L2437] msg_t node4__m4; [L2438] node4__m4 = nomsg [L2439] COND TRUE !(mode4 == 0) [L2441] node4__m4 = p3_old [L2442] p3_old = nomsg [L2443] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L2504] mode4 = 0 [L2964] p1_old = p1_new [L2965] p1_new = nomsg [L2966] p2_old = p2_new [L2967] p2_new = nomsg [L2968] p3_old = p3_new [L2969] p3_new = nomsg [L2970] p4_old = p4_new [L2971] p4_new = nomsg [L2973] int check__tmp; [L2974] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2980] check__tmp = 0 [L2981] __return_1454 = check__tmp [L2982] main__c1 = __return_1454 [L2984] _Bool __tmp_18; [L2985] __tmp_18 = main__c1 [L2986] _Bool assert__arg; [L2987] assert__arg = __tmp_18 [L2988] COND TRUE assert__arg == 0 [L2990] __VERIFIER_error() - UnprovableResult [Line: 3498]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2417] msg_t node3__m3; [L2418] node3__m3 = nomsg [L2419] COND TRUE !(mode3 == 0) [L2421] node3__m3 = p2_old [L2422] p2_old = nomsg [L2423] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L2525] mode3 = 0 [L3453] msg_t node4__m4; [L3454] node4__m4 = nomsg [L3455] COND TRUE !(mode4 == 0) [L3457] node4__m4 = p3_old [L3458] p3_old = nomsg [L3459] COND TRUE ((int)node4__m4) != ((int)nomsg) [L3461] COND FALSE !(((int)node4__m4) > ((int)id4)) [L3468] COND TRUE ((int)node4__m4) == ((int)id4) [L3470] st4 = 1 [L3471] mode4 = 0 [L3472] p1_old = p1_new [L3473] p1_new = nomsg [L3474] p2_old = p2_new [L3475] p2_new = nomsg [L3476] p3_old = p3_new [L3477] p3_new = nomsg [L3478] p4_old = p4_new [L3479] p4_new = nomsg [L3481] int check__tmp; [L3482] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L3488] check__tmp = 0 [L3489] __return_1250 = check__tmp [L3490] main__c1 = __return_1250 [L3492] _Bool __tmp_22; [L3493] __tmp_22 = main__c1 [L3494] _Bool assert__arg; [L3495] assert__arg = __tmp_22 [L3496] COND TRUE assert__arg == 0 [L3498] __VERIFIER_error() - UnprovableResult [Line: 1949]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND TRUE ((int)node2__m2) != ((int)nomsg) [L307] COND FALSE !(((int)node2__m2) > ((int)id2)) [L314] COND TRUE ((int)node2__m2) == ((int)id2) [L316] st2 = 1 [L317] mode2 = 0 [L319] msg_t node3__m3; [L320] node3__m3 = nomsg [L321] COND TRUE !(mode3 == 0) [L323] node3__m3 = p2_old [L324] p2_old = nomsg [L325] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L449] mode3 = 0 [L1411] msg_t node4__m4; [L1412] node4__m4 = nomsg [L1413] COND TRUE !(mode4 == 0) [L1415] node4__m4 = p3_old [L1416] p3_old = nomsg [L1417] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1463] mode4 = 0 [L1923] p1_old = p1_new [L1924] p1_new = nomsg [L1925] p2_old = p2_new [L1926] p2_new = nomsg [L1927] p3_old = p3_new [L1928] p3_new = nomsg [L1929] p4_old = p4_new [L1930] p4_new = nomsg [L1932] int check__tmp; [L1933] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1939] check__tmp = 0 [L1940] __return_1896 = check__tmp [L1941] main__c1 = __return_1896 [L1943] _Bool __tmp_10; [L1944] __tmp_10 = main__c1 [L1945] _Bool assert__arg; [L1946] assert__arg = __tmp_10 [L1947] COND TRUE assert__arg == 0 [L1949] __VERIFIER_error() - UnprovableResult [Line: 2734]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L492] mode1 = 0 [L592] msg_t node2__m2; [L593] node2__m2 = nomsg [L594] COND TRUE !(mode2 == 0) [L596] node2__m2 = p1_old [L597] p1_old = nomsg [L598] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L726] mode2 = 0 [L2669] msg_t node3__m3; [L2670] node3__m3 = nomsg [L2671] COND TRUE !(mode3 == 0) [L2673] node3__m3 = p2_old [L2674] p2_old = nomsg [L2675] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2677] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2684] COND TRUE ((int)node3__m3) == ((int)id3) [L2686] st3 = 1 [L2687] mode3 = 0 [L2689] msg_t node4__m4; [L2690] node4__m4 = nomsg [L2691] COND TRUE !(mode4 == 0) [L2693] node4__m4 = p3_old [L2694] p3_old = nomsg [L2695] COND TRUE ((int)node4__m4) != ((int)nomsg) [L2697] COND FALSE !(((int)node4__m4) > ((int)id4)) [L2704] COND TRUE ((int)node4__m4) == ((int)id4) [L2706] st4 = 1 [L2707] mode4 = 0 [L2708] p1_old = p1_new [L2709] p1_new = nomsg [L2710] p2_old = p2_new [L2711] p2_new = nomsg [L2712] p3_old = p3_new [L2713] p3_new = nomsg [L2714] p4_old = p4_new [L2715] p4_new = nomsg [L2717] int check__tmp; [L2718] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2724] check__tmp = 0 [L2725] __return_1564 = check__tmp [L2726] main__c1 = __return_1564 [L2728] _Bool __tmp_16; [L2729] __tmp_16 = main__c1 [L2730] _Bool assert__arg; [L2731] assert__arg = __tmp_16 [L2732] COND TRUE assert__arg == 0 [L2734] __VERIFIER_error() - UnprovableResult [Line: 1175]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L492] mode1 = 0 [L592] msg_t node2__m2; [L593] node2__m2 = nomsg [L594] COND TRUE !(mode2 == 0) [L596] node2__m2 = p1_old [L597] p1_old = nomsg [L598] COND TRUE ((int)node2__m2) != ((int)nomsg) [L600] COND FALSE !(((int)node2__m2) > ((int)id2)) [L607] COND TRUE ((int)node2__m2) == ((int)id2) [L609] st2 = 1 [L610] mode2 = 0 [L612] msg_t node3__m3; [L613] node3__m3 = nomsg [L614] COND TRUE !(mode3 == 0) [L616] node3__m3 = p2_old [L617] p2_old = nomsg [L618] COND TRUE ((int)node3__m3) != ((int)nomsg) [L620] COND FALSE !(((int)node3__m3) > ((int)id3)) [L627] COND TRUE ((int)node3__m3) == ((int)id3) [L629] st3 = 1 [L630] mode3 = 0 [L632] msg_t node4__m4; [L633] node4__m4 = nomsg [L634] COND TRUE !(mode4 == 0) [L636] node4__m4 = p3_old [L637] p3_old = nomsg [L638] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L684] mode4 = 0 [L1149] p1_old = p1_new [L1150] p1_new = nomsg [L1151] p2_old = p2_new [L1152] p2_new = nomsg [L1153] p3_old = p3_new [L1154] p3_new = nomsg [L1155] p4_old = p4_new [L1156] p4_new = nomsg [L1158] int check__tmp; [L1159] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1165] check__tmp = 0 [L1166] __return_2230 = check__tmp [L1167] main__c1 = __return_2230 [L1169] _Bool __tmp_5; [L1170] __tmp_5 = main__c1 [L1171] _Bool assert__arg; [L1172] assert__arg = __tmp_5 [L1173] COND TRUE assert__arg == 0 [L1175] __VERIFIER_error() - UnprovableResult [Line: 1693]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L492] mode1 = 0 [L592] msg_t node2__m2; [L593] node2__m2 = nomsg [L594] COND TRUE !(mode2 == 0) [L596] node2__m2 = p1_old [L597] p1_old = nomsg [L598] COND TRUE ((int)node2__m2) != ((int)nomsg) [L600] COND FALSE !(((int)node2__m2) > ((int)id2)) [L607] COND TRUE ((int)node2__m2) == ((int)id2) [L609] st2 = 1 [L610] mode2 = 0 [L612] msg_t node3__m3; [L613] node3__m3 = nomsg [L614] COND TRUE !(mode3 == 0) [L616] node3__m3 = p2_old [L617] p2_old = nomsg [L618] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L705] mode3 = 0 [L1648] msg_t node4__m4; [L1649] node4__m4 = nomsg [L1650] COND TRUE !(mode4 == 0) [L1652] node4__m4 = p3_old [L1653] p3_old = nomsg [L1654] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1656] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1663] COND TRUE ((int)node4__m4) == ((int)id4) [L1665] st4 = 1 [L1666] mode4 = 0 [L1667] p1_old = p1_new [L1668] p1_new = nomsg [L1669] p2_old = p2_new [L1670] p2_new = nomsg [L1671] p3_old = p3_new [L1672] p3_new = nomsg [L1673] p4_old = p4_new [L1674] p4_new = nomsg [L1676] int check__tmp; [L1677] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1683] check__tmp = 0 [L1684] __return_2003 = check__tmp [L1685] main__c1 = __return_2003 [L1687] _Bool __tmp_8; [L1688] __tmp_8 = main__c1 [L1689] _Bool assert__arg; [L1690] assert__arg = __tmp_8 [L1691] COND TRUE assert__arg == 0 [L1693] __VERIFIER_error() - UnprovableResult [Line: 3990]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2417] msg_t node3__m3; [L2418] node3__m3 = nomsg [L2419] COND TRUE !(mode3 == 0) [L2421] node3__m3 = p2_old [L2422] p2_old = nomsg [L2423] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L2525] mode3 = 0 [L3453] msg_t node4__m4; [L3454] node4__m4 = nomsg [L3455] COND TRUE !(mode4 == 0) [L3457] node4__m4 = p3_old [L3458] p3_old = nomsg [L3459] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L3520] mode4 = 0 [L3956] p1_old = p1_new [L3957] p1_new = nomsg [L3958] p2_old = p2_new [L3959] p2_new = nomsg [L3960] p3_old = p3_new [L3961] p3_new = nomsg [L3962] p4_old = p4_new [L3963] p4_new = nomsg [L3965] int check__tmp; [L3966] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L3968] COND FALSE !(((int)r1) >= 4) [L3974] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L3980] check__tmp = 0 [L3981] __return_1049 = check__tmp [L3982] main__c1 = __return_1049 [L3984] _Bool __tmp_26; [L3985] __tmp_26 = main__c1 [L3986] _Bool assert__arg; [L3987] assert__arg = __tmp_26 [L3988] COND TRUE assert__arg == 0 [L3990] __VERIFIER_error() - UnprovableResult [Line: 3739]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L492] mode1 = 0 [L592] msg_t node2__m2; [L593] node2__m2 = nomsg [L594] COND TRUE !(mode2 == 0) [L596] node2__m2 = p1_old [L597] p1_old = nomsg [L598] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L726] mode2 = 0 [L2669] msg_t node3__m3; [L2670] node3__m3 = nomsg [L2671] COND TRUE !(mode3 == 0) [L2673] node3__m3 = p2_old [L2674] p2_old = nomsg [L2675] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L2776] mode3 = 0 [L3686] msg_t node4__m4; [L3687] node4__m4 = nomsg [L3688] COND TRUE !(mode4 == 0) [L3690] node4__m4 = p3_old [L3691] p3_old = nomsg [L3692] COND TRUE ((int)node4__m4) != ((int)nomsg) [L3694] COND FALSE !(((int)node4__m4) > ((int)id4)) [L3701] COND TRUE ((int)node4__m4) == ((int)id4) [L3703] st4 = 1 [L3704] mode4 = 0 [L3705] p1_old = p1_new [L3706] p1_new = nomsg [L3707] p2_old = p2_new [L3708] p2_new = nomsg [L3709] p3_old = p3_new [L3710] p3_new = nomsg [L3711] p4_old = p4_new [L3712] p4_new = nomsg [L3714] int check__tmp; [L3715] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L3717] COND FALSE !(((int)r1) >= 4) [L3723] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L3729] check__tmp = 0 [L3730] __return_1142 = check__tmp [L3731] main__c1 = __return_1142 [L3733] _Bool __tmp_24; [L3734] __tmp_24 = main__c1 [L3735] _Bool assert__arg; [L3736] assert__arg = __tmp_24 [L3737] COND TRUE assert__arg == 0 [L3739] __VERIFIER_error() - UnprovableResult [Line: 3230]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L492] mode1 = 0 [L592] msg_t node2__m2; [L593] node2__m2 = nomsg [L594] COND TRUE !(mode2 == 0) [L596] node2__m2 = p1_old [L597] p1_old = nomsg [L598] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L726] mode2 = 0 [L2669] msg_t node3__m3; [L2670] node3__m3 = nomsg [L2671] COND TRUE !(mode3 == 0) [L2673] node3__m3 = p2_old [L2674] p2_old = nomsg [L2675] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2677] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2684] COND TRUE ((int)node3__m3) == ((int)id3) [L2686] st3 = 1 [L2687] mode3 = 0 [L2689] msg_t node4__m4; [L2690] node4__m4 = nomsg [L2691] COND TRUE !(mode4 == 0) [L2693] node4__m4 = p3_old [L2694] p3_old = nomsg [L2695] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L2755] mode4 = 0 [L3196] p1_old = p1_new [L3197] p1_new = nomsg [L3198] p2_old = p2_new [L3199] p2_new = nomsg [L3200] p3_old = p3_new [L3201] p3_new = nomsg [L3202] p4_old = p4_new [L3203] p4_new = nomsg [L3205] int check__tmp; [L3206] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L3208] COND FALSE !(((int)r1) >= 4) [L3214] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L3220] check__tmp = 0 [L3221] __return_1346 = check__tmp [L3222] main__c1 = __return_1346 [L3224] _Bool __tmp_20; [L3225] __tmp_20 = main__c1 [L3226] _Bool assert__arg; [L3227] assert__arg = __tmp_20 [L3228] COND TRUE assert__arg == 0 [L3230] __VERIFIER_error() - UnprovableResult [Line: 2189]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L492] mode1 = 0 [L592] msg_t node2__m2; [L593] node2__m2 = nomsg [L594] COND TRUE !(mode2 == 0) [L596] node2__m2 = p1_old [L597] p1_old = nomsg [L598] COND TRUE ((int)node2__m2) != ((int)nomsg) [L600] COND FALSE !(((int)node2__m2) > ((int)id2)) [L607] COND TRUE ((int)node2__m2) == ((int)id2) [L609] st2 = 1 [L610] mode2 = 0 [L612] msg_t node3__m3; [L613] node3__m3 = nomsg [L614] COND TRUE !(mode3 == 0) [L616] node3__m3 = p2_old [L617] p2_old = nomsg [L618] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L705] mode3 = 0 [L1648] msg_t node4__m4; [L1649] node4__m4 = nomsg [L1650] COND TRUE !(mode4 == 0) [L1652] node4__m4 = p3_old [L1653] p3_old = nomsg [L1654] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1714] mode4 = 0 [L2155] p1_old = p1_new [L2156] p1_new = nomsg [L2157] p2_old = p2_new [L2158] p2_new = nomsg [L2159] p3_old = p3_new [L2160] p3_new = nomsg [L2161] p4_old = p4_new [L2162] p4_new = nomsg [L2164] int check__tmp; [L2165] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L2167] COND FALSE !(((int)r1) >= 4) [L2173] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L2179] check__tmp = 0 [L2180] __return_1788 = check__tmp [L2181] main__c1 = __return_1788 [L2183] _Bool __tmp_12; [L2184] __tmp_12 = main__c1 [L2185] _Bool assert__arg; [L2186] assert__arg = __tmp_12 [L2187] COND TRUE assert__arg == 0 [L2189] __VERIFIER_error() - UnprovableResult [Line: 2483]: 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_121; [L51] int __return_801; [L52] int __return_2632; [L53] int __return_787; [L54] int __return_2474; [L55] int __return_773; [L56] int __return_2355; [L57] int __return_759; [L58] int __return_2230; [L59] int __return_745; [L60] int __return_2128; [L61] int __return_731; [L62] int __return_2003; [L63] int __return_717; [L64] int __return_1896; [L65] int __return_703; [L66] int __return_1788; [L67] int __return_689; [L68] int __return_1692; [L69] int __return_675; [L70] int __return_1564; [L71] int __return_661; [L72] int __return_1454; [L73] int __return_647; [L74] int __return_1346; [L75] int __return_633; [L76] int __return_1250; [L77] int __return_619; [L78] int __return_1142; [L79] int __return_605; [L80] int __return_1049; [L81] int __return_591; [L82] int __return_955; [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_121 = init__tmp [L155] main__i2 = __return_121 [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_801 = check__tmp [L259] main__c1 = __return_801 [L261] _Bool __tmp_1; [L262] __tmp_1 = main__c1 [L263] _Bool assert__arg; [L264] assert__arg = __tmp_1 [L265] COND FALSE !(assert__arg == 0) [L272] msg_t node1__m1; [L273] node1__m1 = nomsg [L274] COND TRUE !(mode1 == 0) [L276] COND FALSE !(r1 == 255) [L282] r1 = r1 + 1 [L283] node1__m1 = p4_old [L284] p4_old = nomsg [L285] COND TRUE ((int)node1__m1) != ((int)nomsg) [L287] COND FALSE !(((int)node1__m1) > ((int)id1)) [L294] COND TRUE ((int)node1__m1) == ((int)id1) [L296] st1 = 1 [L297] mode1 = 0 [L299] msg_t node2__m2; [L300] node2__m2 = nomsg [L301] COND TRUE !(mode2 == 0) [L303] node2__m2 = p1_old [L304] p1_old = nomsg [L305] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L470] mode2 = 0 [L2417] msg_t node3__m3; [L2418] node3__m3 = nomsg [L2419] COND TRUE !(mode3 == 0) [L2421] node3__m3 = p2_old [L2422] p2_old = nomsg [L2423] COND TRUE ((int)node3__m3) != ((int)nomsg) [L2425] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2432] COND TRUE ((int)node3__m3) == ((int)id3) [L2434] st3 = 1 [L2435] mode3 = 0 [L2437] msg_t node4__m4; [L2438] node4__m4 = nomsg [L2439] COND TRUE !(mode4 == 0) [L2441] node4__m4 = p3_old [L2442] p3_old = nomsg [L2443] COND TRUE ((int)node4__m4) != ((int)nomsg) [L2445] COND FALSE !(((int)node4__m4) > ((int)id4)) [L2452] COND TRUE ((int)node4__m4) == ((int)id4) [L2454] st4 = 1 [L2455] mode4 = 0 [L2456] p1_old = p1_new [L2457] p1_new = nomsg [L2458] p2_old = p2_new [L2459] p2_new = nomsg [L2460] p3_old = p3_new [L2461] p3_new = nomsg [L2462] p4_old = p4_new [L2463] p4_new = nomsg [L2465] int check__tmp; [L2466] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2472] check__tmp = 0 [L2473] __return_1692 = check__tmp [L2474] main__c1 = __return_1692 [L2477] _Bool __tmp_14; [L2478] __tmp_14 = main__c1 [L2479] _Bool assert__arg; [L2480] assert__arg = __tmp_14 [L2481] COND TRUE assert__arg == 0 [L2483] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...