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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:15:30,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:15:30,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:15:30,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:15:30,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:15:30,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:15:30,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:15:30,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:15:30,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:15:30,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:15:30,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:15:30,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:15:30,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:15:30,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:15:30,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:15:30,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:15:30,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:15:30,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:15:30,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:15:30,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:15:30,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:15:30,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:15:30,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:15:30,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:15:30,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:15:30,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:15:30,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:15:30,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:15:30,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:15:30,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:15:30,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:15:30,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:15:30,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:15:30,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:15:30,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:15:30,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:15:30,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:15:30,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:15:30,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:15:30,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:15:30,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:15:30,585 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 17:15:30,601 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:15:30,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:15:30,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:15:30,602 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:15:30,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:15:30,603 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:15:30,603 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:15:30,604 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:15:30,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:15:30,604 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:15:30,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:15:30,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:15:30,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:15:30,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:15:30,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:15:30,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:15:30,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:15:30,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:15:30,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:15:30,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:15:30,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:15:30,607 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:15:30,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:15:30,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:15:30,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:15:30,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:15:30,608 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:15:30,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:15:30,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:15:30,609 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:15:30,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:15:30,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:15:30,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:15:30,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:15:30,656 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:15:30,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:15:30,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9c7d2b2/ddd06ecc27954e16945084b06f438129/FLAGcb0e441f7 [2019-09-11 17:15:31,496 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:15:31,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:15:31,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9c7d2b2/ddd06ecc27954e16945084b06f438129/FLAGcb0e441f7 [2019-09-11 17:15:31,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9c7d2b2/ddd06ecc27954e16945084b06f438129 [2019-09-11 17:15:31,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:15:31,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:15:31,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:31,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:15:31,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:15:31,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:31" (1/1) ... [2019-09-11 17:15:31,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315d73c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:31, skipping insertion in model container [2019-09-11 17:15:31,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:31" (1/1) ... [2019-09-11 17:15:31,616 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:15:31,805 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:15:32,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:32,968 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:15:33,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:33,412 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:15:33,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33 WrapperNode [2019-09-11 17:15:33,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:33,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:15:33,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:15:33,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:15:33,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (1/1) ... [2019-09-11 17:15:33,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (1/1) ... [2019-09-11 17:15:33,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (1/1) ... [2019-09-11 17:15:33,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (1/1) ... [2019-09-11 17:15:33,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (1/1) ... [2019-09-11 17:15:33,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (1/1) ... [2019-09-11 17:15:33,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (1/1) ... [2019-09-11 17:15:33,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:15:33,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:15:33,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:15:33,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:15:33,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:33" (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 17:15:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:15:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:15:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:15:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:15:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:15:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:15:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:15:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:15:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:15:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:15:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:15:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:15:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:15:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:15:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:15:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:15:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:15:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:15:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:15:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:15:37,973 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:15:37,973 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:15:37,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:37 BoogieIcfgContainer [2019-09-11 17:15:37,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:15:37,976 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:15:37,976 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:15:37,976 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:15:37,977 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:37" (1/1) ... [2019-09-11 17:15:38,051 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:15:38,671 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:16:24,977 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:16:25,075 INFO L272 AbstractInterpreter]: Visited 955 different actions 19894 times. Merged at 541 different actions 12114 times. Widened at 102 different actions 1547 times. Performed 62967 root evaluator evaluations with a maximum evaluation depth of 6. Performed 62967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4777 fixpoints after 264 different actions. Largest state had 1075 variables. [2019-09-11 17:16:25,076 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:16:25,079 INFO L168 Benchmark]: Toolchain (without parser) took 53479.42 ms. Allocated memory was 132.6 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 81.3 MB in the beginning and 1.1 GB in the end (delta: -992.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-09-11 17:16:25,080 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:16:25,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1813.98 ms. Allocated memory was 132.6 MB in the beginning and 219.2 MB in the end (delta: 86.5 MB). Free memory was 81.1 MB in the beginning and 106.5 MB in the end (delta: -25.4 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:25,082 INFO L168 Benchmark]: Boogie Preprocessor took 307.14 ms. Allocated memory is still 219.2 MB. Free memory was 106.5 MB in the beginning and 91.6 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:25,084 INFO L168 Benchmark]: RCFGBuilder took 4253.91 ms. Allocated memory was 219.2 MB in the beginning and 361.2 MB in the end (delta: 142.1 MB). Free memory was 91.6 MB in the beginning and 156.0 MB in the end (delta: -64.4 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:25,086 INFO L168 Benchmark]: Abstract Interpretation took 47099.87 ms. Allocated memory was 361.2 MB in the beginning and 2.2 GB in the end (delta: 1.8 GB). Free memory was 156.0 MB in the beginning and 1.1 GB in the end (delta: -917.5 MB). Peak memory consumption was 871.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:25,096 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1813.98 ms. Allocated memory was 132.6 MB in the beginning and 219.2 MB in the end (delta: 86.5 MB). Free memory was 81.1 MB in the beginning and 106.5 MB in the end (delta: -25.4 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 307.14 ms. Allocated memory is still 219.2 MB. Free memory was 106.5 MB in the beginning and 91.6 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4253.91 ms. Allocated memory was 219.2 MB in the beginning and 361.2 MB in the end (delta: 142.1 MB). Free memory was 91.6 MB in the beginning and 156.0 MB in the end (delta: -64.4 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 47099.87 ms. Allocated memory was 361.2 MB in the beginning and 2.2 GB in the end (delta: 1.8 GB). Free memory was 156.0 MB in the beginning and 1.1 GB in the end (delta: -917.5 MB). Peak memory consumption was 871.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1799]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] 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] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19141; [L55] int __return_22893; [L56] int __return_19315; [L57] int __return_19398; [L58] int __return_19817; [L59] int __return_20369; [L60] int __return_20614; [L61] int __return_21796; [L62] int __return_22053; [L63] int __return_22606; [L64] int __return_22855; [L65] int __return_19659; [L66] int __return_19892; [L67] int __return_20456; [L68] int __return_20692; [L69] int __return_21895; [L70] int __return_22131; [L71] int __return_22696; [L72] int __return_22815; [L73] int __return_22974; [L74] int __return_22941; [L75] int __return_22644; [L76] int __return_22555; [L77] int __return_22766; [L78] int __return_22733; [L79] int __return_23198; [L80] int __return_23167; [L81] int __return_23261; [L82] int __return_23228; [L83] int __return_23053; [L84] int __return_23022; [L85] int __return_23116; [L86] int __return_23083; [L87] int __return_22091; [L88] int __return_22014; [L89] int __return_22201; [L90] int __return_22168; [L91] int __return_21832; [L92] int __return_21731; [L93] int __return_21965; [L94] int __return_21932; [L95] int __return_22425; [L96] int __return_22394; [L97] int __return_22488; [L98] int __return_22455; [L99] int __return_22280; [L100] int __return_22249; [L101] int __return_22343; [L102] int __return_22310; [L103] int __return_23501; [L104] int __return_23470; [L105] int __return_23564; [L106] int __return_23531; [L107] int __return_23358; [L108] int __return_23327; [L109] int __return_23421; [L110] int __return_23388; [L111] int __return_23788; [L112] int __return_23757; [L113] int __return_23851; [L114] int __return_23818; [L115] int __return_23643; [L116] int __return_23612; [L117] int __return_23706; [L118] int __return_23673; [L119] int __return_20652; [L120] int __return_20575; [L121] int __return_20762; [L122] int __return_20729; [L123] int __return_20405; [L124] int __return_20316; [L125] int __return_20526; [L126] int __return_20493; [L127] int __return_20986; [L128] int __return_20955; [L129] int __return_21049; [L130] int __return_21016; [L131] int __return_20841; [L132] int __return_20810; [L133] int __return_20904; [L134] int __return_20871; [L135] int __return_19853; [L136] int __return_19776; [L137] int __return_19962; [L138] int __return_19929; [L139] int __return_19581; [L140] int __return_19240; [L141] int __return_19727; [L142] int __return_19694; [L143] int __return_20186; [L144] int __return_20155; [L145] int __return_20249; [L146] int __return_20216; [L147] int __return_20041; [L148] int __return_20010; [L149] int __return_20104; [L150] int __return_20071; [L151] int __return_21289; [L152] int __return_21258; [L153] int __return_21352; [L154] int __return_21319; [L155] int __return_21146; [L156] int __return_21115; [L157] int __return_21209; [L158] int __return_21176; [L159] int __return_21576; [L160] int __return_21545; [L161] int __return_21639; [L162] int __return_21606; [L163] int __return_21431; [L164] int __return_21400; [L165] int __return_21494; [L166] int __return_21461; [L167] int __return_24707; [L168] int __return_24676; [L169] int __return_24770; [L170] int __return_24737; [L171] int __return_24564; [L172] int __return_24533; [L173] int __return_24627; [L174] int __return_24594; [L175] int __return_24994; [L176] int __return_24963; [L177] int __return_25057; [L178] int __return_25024; [L179] int __return_24849; [L180] int __return_24818; [L181] int __return_24912; [L182] int __return_24879; [L183] int __return_24116; [L184] int __return_24085; [L185] int __return_24179; [L186] int __return_24146; [L187] int __return_23973; [L188] int __return_23942; [L189] int __return_24036; [L190] int __return_24003; [L191] int __return_24403; [L192] int __return_24372; [L193] int __return_24466; [L194] int __return_24433; [L195] int __return_24258; [L196] int __return_24227; [L197] int __return_24321; [L198] int __return_24288; [L199] int __return_25297; [L200] int __return_25266; [L201] int __return_25360; [L202] int __return_25327; [L203] int __return_25154; [L204] int __return_25123; [L205] int __return_25217; [L206] int __return_25184; [L207] int __return_25584; [L208] int __return_25553; [L209] int __return_25647; [L210] int __return_25614; [L211] int __return_25439; [L212] int __return_25408; [L213] int __return_25502; [L214] int __return_25469; [L217] int main__c1; [L218] int main__i2; [L219] main__c1 = 0 [L220] r1 = __VERIFIER_nondet_uchar() [L221] id1 = __VERIFIER_nondet_char() [L222] st1 = __VERIFIER_nondet_char() [L223] send1 = __VERIFIER_nondet_char() [L224] mode1 = __VERIFIER_nondet_bool() [L225] alive1 = __VERIFIER_nondet_bool() [L226] id2 = __VERIFIER_nondet_char() [L227] st2 = __VERIFIER_nondet_char() [L228] send2 = __VERIFIER_nondet_char() [L229] mode2 = __VERIFIER_nondet_bool() [L230] alive2 = __VERIFIER_nondet_bool() [L231] id3 = __VERIFIER_nondet_char() [L232] st3 = __VERIFIER_nondet_char() [L233] send3 = __VERIFIER_nondet_char() [L234] mode3 = __VERIFIER_nondet_bool() [L235] alive3 = __VERIFIER_nondet_bool() [L236] id4 = __VERIFIER_nondet_char() [L237] st4 = __VERIFIER_nondet_char() [L238] send4 = __VERIFIER_nondet_char() [L239] mode4 = __VERIFIER_nondet_bool() [L240] alive4 = __VERIFIER_nondet_bool() [L242] int init__tmp; [L243] COND TRUE ((int)r1) == 0 [L245] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L247] COND TRUE ((int)id1) >= 0 [L249] COND TRUE ((int)st1) == 0 [L251] COND TRUE ((int)send1) == ((int)id1) [L253] COND TRUE ((int)mode1) == 0 [L255] COND TRUE ((int)id2) >= 0 [L257] COND TRUE ((int)st2) == 0 [L259] COND TRUE ((int)send2) == ((int)id2) [L261] COND TRUE ((int)mode2) == 0 [L263] COND TRUE ((int)id3) >= 0 [L265] COND TRUE ((int)st3) == 0 [L267] COND TRUE ((int)send3) == ((int)id3) [L269] COND TRUE ((int)mode3) == 0 [L271] COND TRUE ((int)id4) >= 0 [L273] COND TRUE ((int)st4) == 0 [L275] COND TRUE ((int)send4) == ((int)id4) [L277] COND TRUE ((int)mode4) == 0 [L279] COND TRUE ((int)id1) != ((int)id2) [L281] COND TRUE ((int)id1) != ((int)id3) [L283] COND TRUE ((int)id1) != ((int)id4) [L285] COND TRUE ((int)id2) != ((int)id3) [L287] COND TRUE ((int)id2) != ((int)id4) [L289] COND TRUE ((int)id3) != ((int)id4) [L291] init__tmp = 1 [L292] __return_19141 = init__tmp [L293] main__i2 = __return_19141 [L294] COND TRUE main__i2 != 0 [L296] p1_old = nomsg [L297] p1_new = nomsg [L298] p2_old = nomsg [L299] p2_new = nomsg [L300] p3_old = nomsg [L301] p3_new = nomsg [L302] p4_old = nomsg [L303] p4_new = nomsg [L304] main__i2 = 0 [L306] msg_t node1__m1; [L307] node1__m1 = nomsg [L308] COND FALSE !(!(mode1 == 0)) [L314] COND FALSE !(!(alive1 == 0)) [L8244] COND FALSE !(((int)send1) != ((int)id1)) [L8265] mode1 = 1 [L8267] msg_t node2__m2; [L8268] node2__m2 = nomsg [L8269] COND FALSE !(!(mode2 == 0)) [L8275] COND FALSE !(!(alive2 == 0)) [L10285] COND FALSE !(((int)send2) != ((int)id2)) [L10306] mode2 = 1 [L10308] msg_t node3__m3; [L10309] node3__m3 = nomsg [L10310] COND FALSE !(!(mode3 == 0)) [L10316] COND FALSE !(!(alive3 == 0)) [L10805] COND FALSE !(((int)send3) != ((int)id3)) [L11062] mode3 = 1 [L11064] msg_t node4__m4; [L11065] node4__m4 = nomsg [L11066] COND FALSE !(!(mode4 == 0)) [L11072] COND TRUE !(alive4 == 0) [L11074] int node4____CPAchecker_TMP_0; [L11075] COND TRUE send4 != nomsg [L11077] COND TRUE p4_new == nomsg [L11079] node4____CPAchecker_TMP_0 = send4 [L11080] p4_new = node4____CPAchecker_TMP_0 [L11081] mode4 = 1 [L11082] p1_old = p1_new [L11083] p1_new = nomsg [L11084] p2_old = p2_new [L11085] p2_new = nomsg [L11086] p3_old = p3_new [L11087] p3_new = nomsg [L11088] p4_old = p4_new [L11089] p4_new = nomsg [L11091] int check__tmp; [L11092] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L11094] COND TRUE ((int)r1) < 4 [L11096] check__tmp = 1 [L11097] __return_25439 = check__tmp [L11098] main__c1 = __return_25439 [L11100] _Bool __tmp_153; [L11101] __tmp_153 = main__c1 [L11102] _Bool assert__arg; [L11103] assert__arg = __tmp_153 [L11104] COND FALSE !(assert__arg == 0) [L413] msg_t node1__m1; [L414] node1__m1 = nomsg [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] node1__m1 = p4_old [L425] p4_old = nomsg [L426] COND TRUE ((int)node1__m1) != ((int)nomsg) [L428] COND TRUE !(alive1 == 0) [L430] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1584] COND TRUE ((int)node1__m1) == ((int)id1) [L1586] st1 = 1 [L1587] mode1 = 0 [L1589] msg_t node2__m2; [L1590] node2__m2 = nomsg [L1591] COND TRUE !(mode2 == 0) [L1593] node2__m2 = p1_old [L1594] p1_old = nomsg [L1595] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L2196] mode2 = 0 [L1606] msg_t node3__m3; [L1607] node3__m3 = nomsg [L1608] COND TRUE !(mode3 == 0) [L1610] node3__m3 = p2_old [L1611] p2_old = nomsg [L1612] COND TRUE ((int)node3__m3) != ((int)nomsg) [L1614] COND TRUE !(alive3 == 0) [L1616] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1752] COND TRUE ((int)node3__m3) == ((int)id3) [L1754] st3 = 1 [L1755] mode3 = 0 [L1757] msg_t node4__m4; [L1758] node4__m4 = nomsg [L1759] COND TRUE !(mode4 == 0) [L1761] node4__m4 = p3_old [L1762] p3_old = nomsg [L1763] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1873] mode4 = 0 [L1773] p1_old = p1_new [L1774] p1_new = nomsg [L1775] p2_old = p2_new [L1776] p2_new = nomsg [L1777] p3_old = p3_new [L1778] p3_new = nomsg [L1779] p4_old = p4_new [L1780] p4_new = nomsg [L1782] int check__tmp; [L1783] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1789] check__tmp = 0 [L1790] __return_20456 = check__tmp [L1791] main__c1 = __return_20456 [L1793] _Bool __tmp_12; [L1794] __tmp_12 = main__c1 [L1795] _Bool assert__arg; [L1796] assert__arg = __tmp_12 [L1797] COND TRUE assert__arg == 0 [L1799] __VERIFIER_error() - UnprovableResult [Line: 1187]: 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] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19141; [L55] int __return_22893; [L56] int __return_19315; [L57] int __return_19398; [L58] int __return_19817; [L59] int __return_20369; [L60] int __return_20614; [L61] int __return_21796; [L62] int __return_22053; [L63] int __return_22606; [L64] int __return_22855; [L65] int __return_19659; [L66] int __return_19892; [L67] int __return_20456; [L68] int __return_20692; [L69] int __return_21895; [L70] int __return_22131; [L71] int __return_22696; [L72] int __return_22815; [L73] int __return_22974; [L74] int __return_22941; [L75] int __return_22644; [L76] int __return_22555; [L77] int __return_22766; [L78] int __return_22733; [L79] int __return_23198; [L80] int __return_23167; [L81] int __return_23261; [L82] int __return_23228; [L83] int __return_23053; [L84] int __return_23022; [L85] int __return_23116; [L86] int __return_23083; [L87] int __return_22091; [L88] int __return_22014; [L89] int __return_22201; [L90] int __return_22168; [L91] int __return_21832; [L92] int __return_21731; [L93] int __return_21965; [L94] int __return_21932; [L95] int __return_22425; [L96] int __return_22394; [L97] int __return_22488; [L98] int __return_22455; [L99] int __return_22280; [L100] int __return_22249; [L101] int __return_22343; [L102] int __return_22310; [L103] int __return_23501; [L104] int __return_23470; [L105] int __return_23564; [L106] int __return_23531; [L107] int __return_23358; [L108] int __return_23327; [L109] int __return_23421; [L110] int __return_23388; [L111] int __return_23788; [L112] int __return_23757; [L113] int __return_23851; [L114] int __return_23818; [L115] int __return_23643; [L116] int __return_23612; [L117] int __return_23706; [L118] int __return_23673; [L119] int __return_20652; [L120] int __return_20575; [L121] int __return_20762; [L122] int __return_20729; [L123] int __return_20405; [L124] int __return_20316; [L125] int __return_20526; [L126] int __return_20493; [L127] int __return_20986; [L128] int __return_20955; [L129] int __return_21049; [L130] int __return_21016; [L131] int __return_20841; [L132] int __return_20810; [L133] int __return_20904; [L134] int __return_20871; [L135] int __return_19853; [L136] int __return_19776; [L137] int __return_19962; [L138] int __return_19929; [L139] int __return_19581; [L140] int __return_19240; [L141] int __return_19727; [L142] int __return_19694; [L143] int __return_20186; [L144] int __return_20155; [L145] int __return_20249; [L146] int __return_20216; [L147] int __return_20041; [L148] int __return_20010; [L149] int __return_20104; [L150] int __return_20071; [L151] int __return_21289; [L152] int __return_21258; [L153] int __return_21352; [L154] int __return_21319; [L155] int __return_21146; [L156] int __return_21115; [L157] int __return_21209; [L158] int __return_21176; [L159] int __return_21576; [L160] int __return_21545; [L161] int __return_21639; [L162] int __return_21606; [L163] int __return_21431; [L164] int __return_21400; [L165] int __return_21494; [L166] int __return_21461; [L167] int __return_24707; [L168] int __return_24676; [L169] int __return_24770; [L170] int __return_24737; [L171] int __return_24564; [L172] int __return_24533; [L173] int __return_24627; [L174] int __return_24594; [L175] int __return_24994; [L176] int __return_24963; [L177] int __return_25057; [L178] int __return_25024; [L179] int __return_24849; [L180] int __return_24818; [L181] int __return_24912; [L182] int __return_24879; [L183] int __return_24116; [L184] int __return_24085; [L185] int __return_24179; [L186] int __return_24146; [L187] int __return_23973; [L188] int __return_23942; [L189] int __return_24036; [L190] int __return_24003; [L191] int __return_24403; [L192] int __return_24372; [L193] int __return_24466; [L194] int __return_24433; [L195] int __return_24258; [L196] int __return_24227; [L197] int __return_24321; [L198] int __return_24288; [L199] int __return_25297; [L200] int __return_25266; [L201] int __return_25360; [L202] int __return_25327; [L203] int __return_25154; [L204] int __return_25123; [L205] int __return_25217; [L206] int __return_25184; [L207] int __return_25584; [L208] int __return_25553; [L209] int __return_25647; [L210] int __return_25614; [L211] int __return_25439; [L212] int __return_25408; [L213] int __return_25502; [L214] int __return_25469; [L217] int main__c1; [L218] int main__i2; [L219] main__c1 = 0 [L220] r1 = __VERIFIER_nondet_uchar() [L221] id1 = __VERIFIER_nondet_char() [L222] st1 = __VERIFIER_nondet_char() [L223] send1 = __VERIFIER_nondet_char() [L224] mode1 = __VERIFIER_nondet_bool() [L225] alive1 = __VERIFIER_nondet_bool() [L226] id2 = __VERIFIER_nondet_char() [L227] st2 = __VERIFIER_nondet_char() [L228] send2 = __VERIFIER_nondet_char() [L229] mode2 = __VERIFIER_nondet_bool() [L230] alive2 = __VERIFIER_nondet_bool() [L231] id3 = __VERIFIER_nondet_char() [L232] st3 = __VERIFIER_nondet_char() [L233] send3 = __VERIFIER_nondet_char() [L234] mode3 = __VERIFIER_nondet_bool() [L235] alive3 = __VERIFIER_nondet_bool() [L236] id4 = __VERIFIER_nondet_char() [L237] st4 = __VERIFIER_nondet_char() [L238] send4 = __VERIFIER_nondet_char() [L239] mode4 = __VERIFIER_nondet_bool() [L240] alive4 = __VERIFIER_nondet_bool() [L242] int init__tmp; [L243] COND TRUE ((int)r1) == 0 [L245] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L247] COND TRUE ((int)id1) >= 0 [L249] COND TRUE ((int)st1) == 0 [L251] COND TRUE ((int)send1) == ((int)id1) [L253] COND TRUE ((int)mode1) == 0 [L255] COND TRUE ((int)id2) >= 0 [L257] COND TRUE ((int)st2) == 0 [L259] COND TRUE ((int)send2) == ((int)id2) [L261] COND TRUE ((int)mode2) == 0 [L263] COND TRUE ((int)id3) >= 0 [L265] COND TRUE ((int)st3) == 0 [L267] COND TRUE ((int)send3) == ((int)id3) [L269] COND TRUE ((int)mode3) == 0 [L271] COND TRUE ((int)id4) >= 0 [L273] COND TRUE ((int)st4) == 0 [L275] COND TRUE ((int)send4) == ((int)id4) [L277] COND TRUE ((int)mode4) == 0 [L279] COND TRUE ((int)id1) != ((int)id2) [L281] COND TRUE ((int)id1) != ((int)id3) [L283] COND TRUE ((int)id1) != ((int)id4) [L285] COND TRUE ((int)id2) != ((int)id3) [L287] COND TRUE ((int)id2) != ((int)id4) [L289] COND TRUE ((int)id3) != ((int)id4) [L291] init__tmp = 1 [L292] __return_19141 = init__tmp [L293] main__i2 = __return_19141 [L294] COND TRUE main__i2 != 0 [L296] p1_old = nomsg [L297] p1_new = nomsg [L298] p2_old = nomsg [L299] p2_new = nomsg [L300] p3_old = nomsg [L301] p3_new = nomsg [L302] p4_old = nomsg [L303] p4_new = nomsg [L304] main__i2 = 0 [L306] msg_t node1__m1; [L307] node1__m1 = nomsg [L308] COND FALSE !(!(mode1 == 0)) [L314] COND FALSE !(!(alive1 == 0)) [L8244] COND FALSE !(((int)send1) != ((int)id1)) [L8265] mode1 = 1 [L8267] msg_t node2__m2; [L8268] node2__m2 = nomsg [L8269] COND FALSE !(!(mode2 == 0)) [L8275] COND FALSE !(!(alive2 == 0)) [L10285] COND FALSE !(((int)send2) != ((int)id2)) [L10306] mode2 = 1 [L10308] msg_t node3__m3; [L10309] node3__m3 = nomsg [L10310] COND FALSE !(!(mode3 == 0)) [L10316] COND TRUE !(alive3 == 0) [L10318] int node3____CPAchecker_TMP_0; [L10319] COND TRUE send3 != nomsg [L10321] COND TRUE p3_new == nomsg [L10323] node3____CPAchecker_TMP_0 = send3 [L10324] p3_new = node3____CPAchecker_TMP_0 [L10325] mode3 = 1 [L10327] msg_t node4__m4; [L10328] node4__m4 = nomsg [L10329] COND FALSE !(!(mode4 == 0)) [L10335] COND FALSE !(!(alive4 == 0)) [L10444] COND FALSE !(((int)send4) != ((int)id4)) [L10511] mode4 = 1 [L10512] p1_old = p1_new [L10513] p1_new = nomsg [L10514] p2_old = p2_new [L10515] p2_new = nomsg [L10516] p3_old = p3_new [L10517] p3_new = nomsg [L10518] p4_old = p4_new [L10519] p4_new = nomsg [L10521] int check__tmp; [L10522] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L10524] COND TRUE ((int)r1) < 4 [L10526] check__tmp = 1 [L10527] __return_25327 = check__tmp [L10528] main__c1 = __return_25327 [L10530] _Bool __tmp_144; [L10531] __tmp_144 = main__c1 [L10532] _Bool assert__arg; [L10533] assert__arg = __tmp_144 [L10534] COND FALSE !(assert__arg == 0) [L413] msg_t node1__m1; [L414] node1__m1 = nomsg [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] node1__m1 = p4_old [L425] p4_old = nomsg [L426] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L2222] mode1 = 0 [L437] msg_t node2__m2; [L438] node2__m2 = nomsg [L439] COND TRUE !(mode2 == 0) [L441] node2__m2 = p1_old [L442] p1_old = nomsg [L443] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L1572] mode2 = 0 [L454] msg_t node3__m3; [L455] node3__m3 = nomsg [L456] COND TRUE !(mode3 == 0) [L458] node3__m3 = p2_old [L459] p2_old = nomsg [L460] COND TRUE ((int)node3__m3) != ((int)nomsg) [L462] COND TRUE !(alive3 == 0) [L464] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1091] COND TRUE ((int)node3__m3) == ((int)id3) [L1093] st3 = 1 [L1094] mode3 = 0 [L1096] msg_t node4__m4; [L1097] node4__m4 = nomsg [L1098] COND TRUE !(mode4 == 0) [L1100] node4__m4 = p3_old [L1101] p3_old = nomsg [L1102] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1104] COND TRUE !(alive4 == 0) [L1106] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1157] COND TRUE ((int)node4__m4) == ((int)id4) [L1159] st4 = 1 [L1160] mode4 = 0 [L1161] p1_old = p1_new [L1162] p1_new = nomsg [L1163] p2_old = p2_new [L1164] p2_new = nomsg [L1165] p3_old = p3_new [L1166] p3_new = nomsg [L1167] p4_old = p4_new [L1168] p4_new = nomsg [L1170] int check__tmp; [L1171] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1177] check__tmp = 0 [L1178] __return_20614 = check__tmp [L1179] main__c1 = __return_20614 [L1181] _Bool __tmp_6; [L1182] __tmp_6 = main__c1 [L1183] _Bool assert__arg; [L1184] assert__arg = __tmp_6 [L1185] COND TRUE assert__arg == 0 [L1187] __VERIFIER_error() - UnprovableResult [Line: 1714]: 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] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19141; [L55] int __return_22893; [L56] int __return_19315; [L57] int __return_19398; [L58] int __return_19817; [L59] int __return_20369; [L60] int __return_20614; [L61] int __return_21796; [L62] int __return_22053; [L63] int __return_22606; [L64] int __return_22855; [L65] int __return_19659; [L66] int __return_19892; [L67] int __return_20456; [L68] int __return_20692; [L69] int __return_21895; [L70] int __return_22131; [L71] int __return_22696; [L72] int __return_22815; [L73] int __return_22974; [L74] int __return_22941; [L75] int __return_22644; [L76] int __return_22555; [L77] int __return_22766; [L78] int __return_22733; [L79] int __return_23198; [L80] int __return_23167; [L81] int __return_23261; [L82] int __return_23228; [L83] int __return_23053; [L84] int __return_23022; [L85] int __return_23116; [L86] int __return_23083; [L87] int __return_22091; [L88] int __return_22014; [L89] int __return_22201; [L90] int __return_22168; [L91] int __return_21832; [L92] int __return_21731; [L93] int __return_21965; [L94] int __return_21932; [L95] int __return_22425; [L96] int __return_22394; [L97] int __return_22488; [L98] int __return_22455; [L99] int __return_22280; [L100] int __return_22249; [L101] int __return_22343; [L102] int __return_22310; [L103] int __return_23501; [L104] int __return_23470; [L105] int __return_23564; [L106] int __return_23531; [L107] int __return_23358; [L108] int __return_23327; [L109] int __return_23421; [L110] int __return_23388; [L111] int __return_23788; [L112] int __return_23757; [L113] int __return_23851; [L114] int __return_23818; [L115] int __return_23643; [L116] int __return_23612; [L117] int __return_23706; [L118] int __return_23673; [L119] int __return_20652; [L120] int __return_20575; [L121] int __return_20762; [L122] int __return_20729; [L123] int __return_20405; [L124] int __return_20316; [L125] int __return_20526; [L126] int __return_20493; [L127] int __return_20986; [L128] int __return_20955; [L129] int __return_21049; [L130] int __return_21016; [L131] int __return_20841; [L132] int __return_20810; [L133] int __return_20904; [L134] int __return_20871; [L135] int __return_19853; [L136] int __return_19776; [L137] int __return_19962; [L138] int __return_19929; [L139] int __return_19581; [L140] int __return_19240; [L141] int __return_19727; [L142] int __return_19694; [L143] int __return_20186; [L144] int __return_20155; [L145] int __return_20249; [L146] int __return_20216; [L147] int __return_20041; [L148] int __return_20010; [L149] int __return_20104; [L150] int __return_20071; [L151] int __return_21289; [L152] int __return_21258; [L153] int __return_21352; [L154] int __return_21319; [L155] int __return_21146; [L156] int __return_21115; [L157] int __return_21209; [L158] int __return_21176; [L159] int __return_21576; [L160] int __return_21545; [L161] int __return_21639; [L162] int __return_21606; [L163] int __return_21431; [L164] int __return_21400; [L165] int __return_21494; [L166] int __return_21461; [L167] int __return_24707; [L168] int __return_24676; [L169] int __return_24770; [L170] int __return_24737; [L171] int __return_24564; [L172] int __return_24533; [L173] int __return_24627; [L174] int __return_24594; [L175] int __return_24994; [L176] int __return_24963; [L177] int __return_25057; [L178] int __return_25024; [L179] int __return_24849; [L180] int __return_24818; [L181] int __return_24912; [L182] int __return_24879; [L183] int __return_24116; [L184] int __return_24085; [L185] int __return_24179; [L186] int __return_24146; [L187] int __return_23973; [L188] int __return_23942; [L189] int __return_24036; [L190] int __return_24003; [L191] int __return_24403; [L192] int __return_24372; [L193] int __return_24466; [L194] int __return_24433; [L195] int __return_24258; [L196] int __return_24227; [L197] int __return_24321; [L198] int __return_24288; [L199] int __return_25297; [L200] int __return_25266; [L201] int __return_25360; [L202] int __return_25327; [L203] int __return_25154; [L204] int __return_25123; [L205] int __return_25217; [L206] int __return_25184; [L207] int __return_25584; [L208] int __return_25553; [L209] int __return_25647; [L210] int __return_25614; [L211] int __return_25439; [L212] int __return_25408; [L213] int __return_25502; [L214] int __return_25469; [L217] int main__c1; [L218] int main__i2; [L219] main__c1 = 0 [L220] r1 = __VERIFIER_nondet_uchar() [L221] id1 = __VERIFIER_nondet_char() [L222] st1 = __VERIFIER_nondet_char() [L223] send1 = __VERIFIER_nondet_char() [L224] mode1 = __VERIFIER_nondet_bool() [L225] alive1 = __VERIFIER_nondet_bool() [L226] id2 = __VERIFIER_nondet_char() [L227] st2 = __VERIFIER_nondet_char() [L228] send2 = __VERIFIER_nondet_char() [L229] mode2 = __VERIFIER_nondet_bool() [L230] alive2 = __VERIFIER_nondet_bool() [L231] id3 = __VERIFIER_nondet_char() [L232] st3 = __VERIFIER_nondet_char() [L233] send3 = __VERIFIER_nondet_char() [L234] mode3 = __VERIFIER_nondet_bool() [L235] alive3 = __VERIFIER_nondet_bool() [L236] id4 = __VERIFIER_nondet_char() [L237] st4 = __VERIFIER_nondet_char() [L238] send4 = __VERIFIER_nondet_char() [L239] mode4 = __VERIFIER_nondet_bool() [L240] alive4 = __VERIFIER_nondet_bool() [L242] int init__tmp; [L243] COND TRUE ((int)r1) == 0 [L245] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L247] COND TRUE ((int)id1) >= 0 [L249] COND TRUE ((int)st1) == 0 [L251] COND TRUE ((int)send1) == ((int)id1) [L253] COND TRUE ((int)mode1) == 0 [L255] COND TRUE ((int)id2) >= 0 [L257] COND TRUE ((int)st2) == 0 [L259] COND TRUE ((int)send2) == ((int)id2) [L261] COND TRUE ((int)mode2) == 0 [L263] COND TRUE ((int)id3) >= 0 [L265] COND TRUE ((int)st3) == 0 [L267] COND TRUE ((int)send3) == ((int)id3) [L269] COND TRUE ((int)mode3) == 0 [L271] COND TRUE ((int)id4) >= 0 [L273] COND TRUE ((int)st4) == 0 [L275] COND TRUE ((int)send4) == ((int)id4) [L277] COND TRUE ((int)mode4) == 0 [L279] COND TRUE ((int)id1) != ((int)id2) [L281] COND TRUE ((int)id1) != ((int)id3) [L283] COND TRUE ((int)id1) != ((int)id4) [L285] COND TRUE ((int)id2) != ((int)id3) [L287] COND TRUE ((int)id2) != ((int)id4) [L289] COND TRUE ((int)id3) != ((int)id4) [L291] init__tmp = 1 [L292] __return_19141 = init__tmp [L293] main__i2 = __return_19141 [L294] COND TRUE main__i2 != 0 [L296] p1_old = nomsg [L297] p1_new = nomsg [L298] p2_old = nomsg [L299] p2_new = nomsg [L300] p3_old = nomsg [L301] p3_new = nomsg [L302] p4_old = nomsg [L303] p4_new = nomsg [L304] main__i2 = 0 [L306] msg_t node1__m1; [L307] node1__m1 = nomsg [L308] COND FALSE !(!(mode1 == 0)) [L314] COND FALSE !(!(alive1 == 0)) [L8244] COND FALSE !(((int)send1) != ((int)id1)) [L8265] mode1 = 1 [L8267] msg_t node2__m2; [L8268] node2__m2 = nomsg [L8269] COND FALSE !(!(mode2 == 0)) [L8275] COND FALSE !(!(alive2 == 0)) [L10285] COND FALSE !(((int)send2) != ((int)id2)) [L10306] mode2 = 1 [L10308] msg_t node3__m3; [L10309] node3__m3 = nomsg [L10310] COND FALSE !(!(mode3 == 0)) [L10316] COND TRUE !(alive3 == 0) [L10318] int node3____CPAchecker_TMP_0; [L10319] COND TRUE send3 != nomsg [L10321] COND TRUE p3_new == nomsg [L10323] node3____CPAchecker_TMP_0 = send3 [L10324] p3_new = node3____CPAchecker_TMP_0 [L10325] mode3 = 1 [L10327] msg_t node4__m4; [L10328] node4__m4 = nomsg [L10329] COND FALSE !(!(mode4 == 0)) [L10335] COND FALSE !(!(alive4 == 0)) [L10444] COND FALSE !(((int)send4) != ((int)id4)) [L10511] mode4 = 1 [L10512] p1_old = p1_new [L10513] p1_new = nomsg [L10514] p2_old = p2_new [L10515] p2_new = nomsg [L10516] p3_old = p3_new [L10517] p3_new = nomsg [L10518] p4_old = p4_new [L10519] p4_new = nomsg [L10521] int check__tmp; [L10522] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L10524] COND TRUE ((int)r1) < 4 [L10526] check__tmp = 1 [L10527] __return_25327 = check__tmp [L10528] main__c1 = __return_25327 [L10530] _Bool __tmp_144; [L10531] __tmp_144 = main__c1 [L10532] _Bool assert__arg; [L10533] assert__arg = __tmp_144 [L10534] COND FALSE !(assert__arg == 0) [L413] msg_t node1__m1; [L414] node1__m1 = nomsg [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] node1__m1 = p4_old [L425] p4_old = nomsg [L426] COND TRUE ((int)node1__m1) != ((int)nomsg) [L428] COND TRUE !(alive1 == 0) [L430] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1584] COND TRUE ((int)node1__m1) == ((int)id1) [L1586] st1 = 1 [L1587] mode1 = 0 [L1589] msg_t node2__m2; [L1590] node2__m2 = nomsg [L1591] COND TRUE !(mode2 == 0) [L1593] node2__m2 = p1_old [L1594] p1_old = nomsg [L1595] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L2196] mode2 = 0 [L1606] msg_t node3__m3; [L1607] node3__m3 = nomsg [L1608] COND TRUE !(mode3 == 0) [L1610] node3__m3 = p2_old [L1611] p2_old = nomsg [L1612] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1898] mode3 = 0 [L1623] msg_t node4__m4; [L1624] node4__m4 = nomsg [L1625] COND TRUE !(mode4 == 0) [L1627] node4__m4 = p3_old [L1628] p3_old = nomsg [L1629] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1631] COND TRUE !(alive4 == 0) [L1633] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1684] COND TRUE ((int)node4__m4) == ((int)id4) [L1686] st4 = 1 [L1687] mode4 = 0 [L1688] p1_old = p1_new [L1689] p1_new = nomsg [L1690] p2_old = p2_new [L1691] p2_new = nomsg [L1692] p3_old = p3_new [L1693] p3_new = nomsg [L1694] p4_old = p4_new [L1695] p4_new = nomsg [L1697] int check__tmp; [L1698] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1704] check__tmp = 0 [L1705] __return_19892 = check__tmp [L1706] main__c1 = __return_19892 [L1708] _Bool __tmp_11; [L1709] __tmp_11 = main__c1 [L1710] _Bool assert__arg; [L1711] assert__arg = __tmp_11 [L1712] COND TRUE assert__arg == 0 [L1714] __VERIFIER_error() - UnprovableResult [Line: 1448]: 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] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19141; [L55] int __return_22893; [L56] int __return_19315; [L57] int __return_19398; [L58] int __return_19817; [L59] int __return_20369; [L60] int __return_20614; [L61] int __return_21796; [L62] int __return_22053; [L63] int __return_22606; [L64] int __return_22855; [L65] int __return_19659; [L66] int __return_19892; [L67] int __return_20456; [L68] int __return_20692; [L69] int __return_21895; [L70] int __return_22131; [L71] int __return_22696; [L72] int __return_22815; [L73] int __return_22974; [L74] int __return_22941; [L75] int __return_22644; [L76] int __return_22555; [L77] int __return_22766; [L78] int __return_22733; [L79] int __return_23198; [L80] int __return_23167; [L81] int __return_23261; [L82] int __return_23228; [L83] int __return_23053; [L84] int __return_23022; [L85] int __return_23116; [L86] int __return_23083; [L87] int __return_22091; [L88] int __return_22014; [L89] int __return_22201; [L90] int __return_22168; [L91] int __return_21832; [L92] int __return_21731; [L93] int __return_21965; [L94] int __return_21932; [L95] int __return_22425; [L96] int __return_22394; [L97] int __return_22488; [L98] int __return_22455; [L99] int __return_22280; [L100] int __return_22249; [L101] int __return_22343; [L102] int __return_22310; [L103] int __return_23501; [L104] int __return_23470; [L105] int __return_23564; [L106] int __return_23531; [L107] int __return_23358; [L108] int __return_23327; [L109] int __return_23421; [L110] int __return_23388; [L111] int __return_23788; [L112] int __return_23757; [L113] int __return_23851; [L114] int __return_23818; [L115] int __return_23643; [L116] int __return_23612; [L117] int __return_23706; [L118] int __return_23673; [L119] int __return_20652; [L120] int __return_20575; [L121] int __return_20762; [L122] int __return_20729; [L123] int __return_20405; [L124] int __return_20316; [L125] int __return_20526; [L126] int __return_20493; [L127] int __return_20986; [L128] int __return_20955; [L129] int __return_21049; [L130] int __return_21016; [L131] int __return_20841; [L132] int __return_20810; [L133] int __return_20904; [L134] int __return_20871; [L135] int __return_19853; [L136] int __return_19776; [L137] int __return_19962; [L138] int __return_19929; [L139] int __return_19581; [L140] int __return_19240; [L141] int __return_19727; [L142] int __return_19694; [L143] int __return_20186; [L144] int __return_20155; [L145] int __return_20249; [L146] int __return_20216; [L147] int __return_20041; [L148] int __return_20010; [L149] int __return_20104; [L150] int __return_20071; [L151] int __return_21289; [L152] int __return_21258; [L153] int __return_21352; [L154] int __return_21319; [L155] int __return_21146; [L156] int __return_21115; [L157] int __return_21209; [L158] int __return_21176; [L159] int __return_21576; [L160] int __return_21545; [L161] int __return_21639; [L162] int __return_21606; [L163] int __return_21431; [L164] int __return_21400; [L165] int __return_21494; [L166] int __return_21461; [L167] int __return_24707; [L168] int __return_24676; [L169] int __return_24770; [L170] int __return_24737; [L171] int __return_24564; [L172] int __return_24533; [L173] int __return_24627; [L174] int __return_24594; [L175] int __return_24994; [L176] int __return_24963; [L177] int __return_25057; [L178] int __return_25024; [L179] int __return_24849; [L180] int __return_24818; [L181] int __return_24912; [L182] int __return_24879; [L183] int __return_24116; [L184] int __return_24085; [L185] int __return_24179; [L186] int __return_24146; [L187] int __return_23973; [L188] int __return_23942; [L189] int __return_24036; [L190] int __return_24003; [L191] int __return_24403; [L192] int __return_24372; [L193] int __return_24466; [L194] int __return_24433; [L195] int __return_24258; [L196] int __return_24227; [L197] int __return_24321; [L198] int __return_24288; [L199] int __return_25297; [L200] int __return_25266; [L201] int __return_25360; [L202] int __return_25327; [L203] int __return_25154; [L204] int __return_25123; [L205] int __return_25217; [L206] int __return_25184; [L207] int __return_25584; [L208] int __return_25553; [L209] int __return_25647; [L210] int __return_25614; [L211] int __return_25439; [L212] int __return_25408; [L213] int __return_25502; [L214] int __return_25469; [L217] int main__c1; [L218] int main__i2; [L219] main__c1 = 0 [L220] r1 = __VERIFIER_nondet_uchar() [L221] id1 = __VERIFIER_nondet_char() [L222] st1 = __VERIFIER_nondet_char() [L223] send1 = __VERIFIER_nondet_char() [L224] mode1 = __VERIFIER_nondet_bool() [L225] alive1 = __VERIFIER_nondet_bool() [L226] id2 = __VERIFIER_nondet_char() [L227] st2 = __VERIFIER_nondet_char() [L228] send2 = __VERIFIER_nondet_char() [L229] mode2 = __VERIFIER_nondet_bool() [L230] alive2 = __VERIFIER_nondet_bool() [L231] id3 = __VERIFIER_nondet_char() [L232] st3 = __VERIFIER_nondet_char() [L233] send3 = __VERIFIER_nondet_char() [L234] mode3 = __VERIFIER_nondet_bool() [L235] alive3 = __VERIFIER_nondet_bool() [L236] id4 = __VERIFIER_nondet_char() [L237] st4 = __VERIFIER_nondet_char() [L238] send4 = __VERIFIER_nondet_char() [L239] mode4 = __VERIFIER_nondet_bool() [L240] alive4 = __VERIFIER_nondet_bool() [L242] int init__tmp; [L243] COND TRUE ((int)r1) == 0 [L245] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L247] COND TRUE ((int)id1) >= 0 [L249] COND TRUE ((int)st1) == 0 [L251] COND TRUE ((int)send1) == ((int)id1) [L253] COND TRUE ((int)mode1) == 0 [L255] COND TRUE ((int)id2) >= 0 [L257] COND TRUE ((int)st2) == 0 [L259] COND TRUE ((int)send2) == ((int)id2) [L261] COND TRUE ((int)mode2) == 0 [L263] COND TRUE ((int)id3) >= 0 [L265] COND TRUE ((int)st3) == 0 [L267] COND TRUE ((int)send3) == ((int)id3) [L269] COND TRUE ((int)mode3) == 0 [L271] COND TRUE ((int)id4) >= 0 [L273] COND TRUE ((int)st4) == 0 [L275] COND TRUE ((int)send4) == ((int)id4) [L277] COND TRUE ((int)mode4) == 0 [L279] COND TRUE ((int)id1) != ((int)id2) [L281] COND TRUE ((int)id1) != ((int)id3) [L283] COND TRUE ((int)id1) != ((int)id4) [L285] COND TRUE ((int)id2) != ((int)id3) [L287] COND TRUE ((int)id2) != ((int)id4) [L289] COND TRUE ((int)id3) != ((int)id4) [L291] init__tmp = 1 [L292] __return_19141 = init__tmp [L293] main__i2 = __return_19141 [L294] COND TRUE main__i2 != 0 [L296] p1_old = nomsg [L297] p1_new = nomsg [L298] p2_old = nomsg [L299] p2_new = nomsg [L300] p3_old = nomsg [L301] p3_new = nomsg [L302] p4_old = nomsg [L303] p4_new = nomsg [L304] main__i2 = 0 [L306] msg_t node1__m1; [L307] node1__m1 = nomsg [L308] COND FALSE !(!(mode1 == 0)) [L314] COND TRUE !(alive1 == 0) [L316] int node1____CPAchecker_TMP_0; [L317] COND TRUE send1 != nomsg [L319] COND TRUE p1_new == nomsg [L321] node1____CPAchecker_TMP_0 = send1 [L322] p1_new = node1____CPAchecker_TMP_0 [L324] mode1 = 1 [L326] msg_t node2__m2; [L327] node2__m2 = nomsg [L328] COND FALSE !(!(mode2 == 0)) [L334] COND TRUE !(alive2 == 0) [L336] int node2____CPAchecker_TMP_0; [L337] COND TRUE send2 != nomsg [L339] COND TRUE p2_new == nomsg [L341] node2____CPAchecker_TMP_0 = send2 [L342] p2_new = node2____CPAchecker_TMP_0 [L344] mode2 = 1 [L346] msg_t node3__m3; [L347] node3__m3 = nomsg [L348] COND FALSE !(!(mode3 == 0)) [L354] COND FALSE !(!(alive3 == 0)) [L2663] COND FALSE !(((int)send3) != ((int)id3)) [L2920] mode3 = 1 [L2922] msg_t node4__m4; [L2923] node4__m4 = nomsg [L2924] COND FALSE !(!(mode4 == 0)) [L2930] COND FALSE !(!(alive4 == 0)) [L3039] COND FALSE !(((int)send4) != ((int)id4)) [L3106] mode4 = 1 [L3107] p1_old = p1_new [L3108] p1_new = nomsg [L3109] p2_old = p2_new [L3110] p2_new = nomsg [L3111] p3_old = p3_new [L3112] p3_new = nomsg [L3113] p4_old = p4_new [L3114] p4_new = nomsg [L3116] int check__tmp; [L3117] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L3119] COND TRUE ((int)r1) < 4 [L3121] check__tmp = 1 [L3122] __return_23083 = check__tmp [L3123] main__c1 = __return_23083 [L3125] _Bool __tmp_28; [L3126] __tmp_28 = main__c1 [L3127] _Bool assert__arg; [L3128] assert__arg = __tmp_28 [L3129] COND FALSE !(assert__arg == 0) [L413] msg_t node1__m1; [L414] node1__m1 = nomsg [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] node1__m1 = p4_old [L425] p4_old = nomsg [L426] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L2222] mode1 = 0 [L437] msg_t node2__m2; [L438] node2__m2 = nomsg [L439] COND TRUE !(mode2 == 0) [L441] node2__m2 = p1_old [L442] p1_old = nomsg [L443] COND TRUE ((int)node2__m2) != ((int)nomsg) [L445] COND TRUE !(alive2 == 0) [L447] COND FALSE !(((int)node2__m2) > ((int)id2)) [L1250] COND TRUE ((int)node2__m2) == ((int)id2) [L1252] st2 = 1 [L1253] mode2 = 0 [L1255] msg_t node3__m3; [L1256] node3__m3 = nomsg [L1257] COND TRUE !(mode3 == 0) [L1259] node3__m3 = p2_old [L1260] p2_old = nomsg [L1261] COND TRUE ((int)node3__m3) != ((int)nomsg) [L1263] COND TRUE !(alive3 == 0) [L1265] COND FALSE !(((int)node3__m3) > ((int)id3)) [L1401] COND TRUE ((int)node3__m3) == ((int)id3) [L1403] st3 = 1 [L1404] mode3 = 0 [L1406] msg_t node4__m4; [L1407] node4__m4 = nomsg [L1408] COND TRUE !(mode4 == 0) [L1410] node4__m4 = p3_old [L1411] p3_old = nomsg [L1412] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L1522] mode4 = 0 [L1422] p1_old = p1_new [L1423] p1_new = nomsg [L1424] p2_old = p2_new [L1425] p2_new = nomsg [L1426] p3_old = p3_new [L1427] p3_new = nomsg [L1428] p4_old = p4_new [L1429] p4_new = nomsg [L1431] int check__tmp; [L1432] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1438] check__tmp = 0 [L1439] __return_22606 = check__tmp [L1440] main__c1 = __return_22606 [L1442] _Bool __tmp_9; [L1443] __tmp_9 = main__c1 [L1444] _Bool assert__arg; [L1445] assert__arg = __tmp_9 [L1446] COND TRUE assert__arg == 0 [L1448] __VERIFIER_error() - UnprovableResult [Line: 1974]: 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] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19141; [L55] int __return_22893; [L56] int __return_19315; [L57] int __return_19398; [L58] int __return_19817; [L59] int __return_20369; [L60] int __return_20614; [L61] int __return_21796; [L62] int __return_22053; [L63] int __return_22606; [L64] int __return_22855; [L65] int __return_19659; [L66] int __return_19892; [L67] int __return_20456; [L68] int __return_20692; [L69] int __return_21895; [L70] int __return_22131; [L71] int __return_22696; [L72] int __return_22815; [L73] int __return_22974; [L74] int __return_22941; [L75] int __return_22644; [L76] int __return_22555; [L77] int __return_22766; [L78] int __return_22733; [L79] int __return_23198; [L80] int __return_23167; [L81] int __return_23261; [L82] int __return_23228; [L83] int __return_23053; [L84] int __return_23022; [L85] int __return_23116; [L86] int __return_23083; [L87] int __return_22091; [L88] int __return_22014; [L89] int __return_22201; [L90] int __return_22168; [L91] int __return_21832; [L92] int __return_21731; [L93] int __return_21965; [L94] int __return_21932; [L95] int __return_22425; [L96] int __return_22394; [L97] int __return_22488; [L98] int __return_22455; [L99] int __return_22280; [L100] int __return_22249; [L101] int __return_22343; [L102] int __return_22310; [L103] int __return_23501; [L104] int __return_23470; [L105] int __return_23564; [L106] int __return_23531; [L107] int __return_23358; [L108] int __return_23327; [L109] int __return_23421; [L110] int __return_23388; [L111] int __return_23788; [L112] int __return_23757; [L113] int __return_23851; [L114] int __return_23818; [L115] int __return_23643; [L116] int __return_23612; [L117] int __return_23706; [L118] int __return_23673; [L119] int __return_20652; [L120] int __return_20575; [L121] int __return_20762; [L122] int __return_20729; [L123] int __return_20405; [L124] int __return_20316; [L125] int __return_20526; [L126] int __return_20493; [L127] int __return_20986; [L128] int __return_20955; [L129] int __return_21049; [L130] int __return_21016; [L131] int __return_20841; [L132] int __return_20810; [L133] int __return_20904; [L134] int __return_20871; [L135] int __return_19853; [L136] int __return_19776; [L137] int __return_19962; [L138] int __return_19929; [L139] int __return_19581; [L140] int __return_19240; [L141] int __return_19727; [L142] int __return_19694; [L143] int __return_20186; [L144] int __return_20155; [L145] int __return_20249; [L146] int __return_20216; [L147] int __return_20041; [L148] int __return_20010; [L149] int __return_20104; [L150] int __return_20071; [L151] int __return_21289; [L152] int __return_21258; [L153] int __return_21352; [L154] int __return_21319; [L155] int __return_21146; [L156] int __return_21115; [L157] int __return_21209; [L158] int __return_21176; [L159] int __return_21576; [L160] int __return_21545; [L161] int __return_21639; [L162] int __return_21606; [L163] int __return_21431; [L164] int __return_21400; [L165] int __return_21494; [L166] int __return_21461; [L167] int __return_24707; [L168] int __return_24676; [L169] int __return_24770; [L170] int __return_24737; [L171] int __return_24564; [L172] int __return_24533; [L173] int __return_24627; [L174] int __return_24594; [L175] int __return_24994; [L176] int __return_24963; [L177] int __return_25057; [L178] int __return_25024; [L179] int __return_24849; [L180] int __return_24818; [L181] int __return_24912; [L182] int __return_24879; [L183] int __return_24116; [L184] int __return_24085; [L185] int __return_24179; [L186] int __return_24146; [L187] int __return_23973; [L188] int __return_23942; [L189] int __return_24036; [L190] int __return_24003; [L191] int __return_24403; [L192] int __return_24372; [L193] int __return_24466; [L194] int __return_24433; [L195] int __return_24258; [L196] int __return_24227; [L197] int __return_24321; [L198] int __return_24288; [L199] int __return_25297; [L200] int __return_25266; [L201] int __return_25360; [L202] int __return_25327; [L203] int __return_25154; [L204] int __return_25123; [L205] int __return_25217; [L206] int __return_25184; [L207] int __return_25584; [L208] int __return_25553; [L209] int __return_25647; [L210] int __return_25614; [L211] int __return_25439; [L212] int __return_25408; [L213] int __return_25502; [L214] int __return_25469; [L217] int main__c1; [L218] int main__i2; [L219] main__c1 = 0 [L220] r1 = __VERIFIER_nondet_uchar() [L221] id1 = __VERIFIER_nondet_char() [L222] st1 = __VERIFIER_nondet_char() [L223] send1 = __VERIFIER_nondet_char() [L224] mode1 = __VERIFIER_nondet_bool() [L225] alive1 = __VERIFIER_nondet_bool() [L226] id2 = __VERIFIER_nondet_char() [L227] st2 = __VERIFIER_nondet_char() [L228] send2 = __VERIFIER_nondet_char() [L229] mode2 = __VERIFIER_nondet_bool() [L230] alive2 = __VERIFIER_nondet_bool() [L231] id3 = __VERIFIER_nondet_char() [L232] st3 = __VERIFIER_nondet_char() [L233] send3 = __VERIFIER_nondet_char() [L234] mode3 = __VERIFIER_nondet_bool() [L235] alive3 = __VERIFIER_nondet_bool() [L236] id4 = __VERIFIER_nondet_char() [L237] st4 = __VERIFIER_nondet_char() [L238] send4 = __VERIFIER_nondet_char() [L239] mode4 = __VERIFIER_nondet_bool() [L240] alive4 = __VERIFIER_nondet_bool() [L242] int init__tmp; [L243] COND TRUE ((int)r1) == 0 [L245] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L247] COND TRUE ((int)id1) >= 0 [L249] COND TRUE ((int)st1) == 0 [L251] COND TRUE ((int)send1) == ((int)id1) [L253] COND TRUE ((int)mode1) == 0 [L255] COND TRUE ((int)id2) >= 0 [L257] COND TRUE ((int)st2) == 0 [L259] COND TRUE ((int)send2) == ((int)id2) [L261] COND TRUE ((int)mode2) == 0 [L263] COND TRUE ((int)id3) >= 0 [L265] COND TRUE ((int)st3) == 0 [L267] COND TRUE ((int)send3) == ((int)id3) [L269] COND TRUE ((int)mode3) == 0 [L271] COND TRUE ((int)id4) >= 0 [L273] COND TRUE ((int)st4) == 0 [L275] COND TRUE ((int)send4) == ((int)id4) [L277] COND TRUE ((int)mode4) == 0 [L279] COND TRUE ((int)id1) != ((int)id2) [L281] COND TRUE ((int)id1) != ((int)id3) [L283] COND TRUE ((int)id1) != ((int)id4) [L285] COND TRUE ((int)id2) != ((int)id3) [L287] COND TRUE ((int)id2) != ((int)id4) [L289] COND TRUE ((int)id3) != ((int)id4) [L291] init__tmp = 1 [L292] __return_19141 = init__tmp [L293] main__i2 = __return_19141 [L294] COND TRUE main__i2 != 0 [L296] p1_old = nomsg [L297] p1_new = nomsg [L298] p2_old = nomsg [L299] p2_new = nomsg [L300] p3_old = nomsg [L301] p3_new = nomsg [L302] p4_old = nomsg [L303] p4_new = nomsg [L304] main__i2 = 0 [L306] msg_t node1__m1; [L307] node1__m1 = nomsg [L308] COND FALSE !(!(mode1 == 0)) [L314] COND TRUE !(alive1 == 0) [L316] int node1____CPAchecker_TMP_0; [L317] COND TRUE send1 != nomsg [L319] COND TRUE p1_new == nomsg [L321] node1____CPAchecker_TMP_0 = send1 [L322] p1_new = node1____CPAchecker_TMP_0 [L324] mode1 = 1 [L326] msg_t node2__m2; [L327] node2__m2 = nomsg [L328] COND FALSE !(!(mode2 == 0)) [L334] COND FALSE !(!(alive2 == 0)) [L4164] COND FALSE !(((int)send2) != ((int)id2)) [L4185] mode2 = 1 [L4187] msg_t node3__m3; [L4188] node3__m3 = nomsg [L4189] COND FALSE !(!(mode3 == 0)) [L4195] COND FALSE !(!(alive3 == 0)) [L4684] COND FALSE !(((int)send3) != ((int)id3)) [L4941] mode3 = 1 [L4943] msg_t node4__m4; [L4944] node4__m4 = nomsg [L4945] COND FALSE !(!(mode4 == 0)) [L4951] COND TRUE !(alive4 == 0) [L4953] int node4____CPAchecker_TMP_0; [L4954] COND TRUE send4 != nomsg [L4956] COND TRUE p4_new == nomsg [L4958] node4____CPAchecker_TMP_0 = send4 [L4959] p4_new = node4____CPAchecker_TMP_0 [L4960] mode4 = 1 [L4961] p1_old = p1_new [L4962] p1_new = nomsg [L4963] p2_old = p2_new [L4964] p2_new = nomsg [L4965] p3_old = p3_new [L4966] p3_new = nomsg [L4967] p4_old = p4_new [L4968] p4_new = nomsg [L4970] int check__tmp; [L4971] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L4973] COND TRUE ((int)r1) < 4 [L4975] check__tmp = 1 [L4976] __return_23643 = check__tmp [L4977] main__c1 = __return_23643 [L4979] _Bool __tmp_57; [L4980] __tmp_57 = main__c1 [L4981] _Bool assert__arg; [L4982] assert__arg = __tmp_57 [L4983] COND FALSE !(assert__arg == 0) [L413] msg_t node1__m1; [L414] node1__m1 = nomsg [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] node1__m1 = p4_old [L425] p4_old = nomsg [L426] COND TRUE ((int)node1__m1) != ((int)nomsg) [L428] COND TRUE !(alive1 == 0) [L430] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1584] COND TRUE ((int)node1__m1) == ((int)id1) [L1586] st1 = 1 [L1587] mode1 = 0 [L1589] msg_t node2__m2; [L1590] node2__m2 = nomsg [L1591] COND TRUE !(mode2 == 0) [L1593] node2__m2 = p1_old [L1594] p1_old = nomsg [L1595] COND TRUE ((int)node2__m2) != ((int)nomsg) [L1597] COND TRUE !(alive2 == 0) [L1599] COND FALSE !(((int)node2__m2) > ((int)id2)) [L1910] COND TRUE ((int)node2__m2) == ((int)id2) [L1912] st2 = 1 [L1913] mode2 = 0 [L1915] msg_t node3__m3; [L1916] node3__m3 = nomsg [L1917] COND TRUE !(mode3 == 0) [L1919] node3__m3 = p2_old [L1920] p2_old = nomsg [L1921] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L2171] mode3 = 0 [L1932] msg_t node4__m4; [L1933] node4__m4 = nomsg [L1934] COND TRUE !(mode4 == 0) [L1936] node4__m4 = p3_old [L1937] p3_old = nomsg [L1938] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L2048] mode4 = 0 [L1948] p1_old = p1_new [L1949] p1_new = nomsg [L1950] p2_old = p2_new [L1951] p2_new = nomsg [L1952] p3_old = p3_new [L1953] p3_new = nomsg [L1954] p4_old = p4_new [L1955] p4_new = nomsg [L1957] int check__tmp; [L1958] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1964] check__tmp = 0 [L1965] __return_21895 = check__tmp [L1966] main__c1 = __return_21895 [L1968] _Bool __tmp_13; [L1969] __tmp_13 = main__c1 [L1970] _Bool assert__arg; [L1971] assert__arg = __tmp_13 [L1972] COND TRUE assert__arg == 0 [L1974] __VERIFIER_error() - UnprovableResult [Line: 1363]: 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] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19141; [L55] int __return_22893; [L56] int __return_19315; [L57] int __return_19398; [L58] int __return_19817; [L59] int __return_20369; [L60] int __return_20614; [L61] int __return_21796; [L62] int __return_22053; [L63] int __return_22606; [L64] int __return_22855; [L65] int __return_19659; [L66] int __return_19892; [L67] int __return_20456; [L68] int __return_20692; [L69] int __return_21895; [L70] int __return_22131; [L71] int __return_22696; [L72] int __return_22815; [L73] int __return_22974; [L74] int __return_22941; [L75] int __return_22644; [L76] int __return_22555; [L77] int __return_22766; [L78] int __return_22733; [L79] int __return_23198; [L80] int __return_23167; [L81] int __return_23261; [L82] int __return_23228; [L83] int __return_23053; [L84] int __return_23022; [L85] int __return_23116; [L86] int __return_23083; [L87] int __return_22091; [L88] int __return_22014; [L89] int __return_22201; [L90] int __return_22168; [L91] int __return_21832; [L92] int __return_21731; [L93] int __return_21965; [L94] int __return_21932; [L95] int __return_22425; [L96] int __return_22394; [L97] int __return_22488; [L98] int __return_22455; [L99] int __return_22280; [L100] int __return_22249; [L101] int __return_22343; [L102] int __return_22310; [L103] int __return_23501; [L104] int __return_23470; [L105] int __return_23564; [L106] int __return_23531; [L107] int __return_23358; [L108] int __return_23327; [L109] int __return_23421; [L110] int __return_23388; [L111] int __return_23788; [L112] int __return_23757; [L113] int __return_23851; [L114] int __return_23818; [L115] int __return_23643; [L116] int __return_23612; [L117] int __return_23706; [L118] int __return_23673; [L119] int __return_20652; [L120] int __return_20575; [L121] int __return_20762; [L122] int __return_20729; [L123] int __return_20405; [L124] int __return_20316; [L125] int __return_20526; [L126] int __return_20493; [L127] int __return_20986; [L128] int __return_20955; [L129] int __return_21049; [L130] int __return_21016; [L131] int __return_20841; [L132] int __return_20810; [L133] int __return_20904; [L134] int __return_20871; [L135] int __return_19853; [L136] int __return_19776; [L137] int __return_19962; [L138] int __return_19929; [L139] int __return_19581; [L140] int __return_19240; [L141] int __return_19727; [L142] int __return_19694; [L143] int __return_20186; [L144] int __return_20155; [L145] int __return_20249; [L146] int __return_20216; [L147] int __return_20041; [L148] int __return_20010; [L149] int __return_20104; [L150] int __return_20071; [L151] int __return_21289; [L152] int __return_21258; [L153] int __return_21352; [L154] int __return_21319; [L155] int __return_21146; [L156] int __return_21115; [L157] int __return_21209; [L158] int __return_21176; [L159] int __return_21576; [L160] int __return_21545; [L161] int __return_21639; [L162] int __return_21606; [L163] int __return_21431; [L164] int __return_21400; [L165] int __return_21494; [L166] int __return_21461; [L167] int __return_24707; [L168] int __return_24676; [L169] int __return_24770; [L170] int __return_24737; [L171] int __return_24564; [L172] int __return_24533; [L173] int __return_24627; [L174] int __return_24594; [L175] int __return_24994; [L176] int __return_24963; [L177] int __return_25057; [L178] int __return_25024; [L179] int __return_24849; [L180] int __return_24818; [L181] int __return_24912; [L182] int __return_24879; [L183] int __return_24116; [L184] int __return_24085; [L185] int __return_24179; [L186] int __return_24146; [L187] int __return_23973; [L188] int __return_23942; [L189] int __return_24036; [L190] int __return_24003; [L191] int __return_24403; [L192] int __return_24372; [L193] int __return_24466; [L194] int __return_24433; [L195] int __return_24258; [L196] int __return_24227; [L197] int __return_24321; [L198] int __return_24288; [L199] int __return_25297; [L200] int __return_25266; [L201] int __return_25360; [L202] int __return_25327; [L203] int __return_25154; [L204] int __return_25123; [L205] int __return_25217; [L206] int __return_25184; [L207] int __return_25584; [L208] int __return_25553; [L209] int __return_25647; [L210] int __return_25614; [L211] int __return_25439; [L212] int __return_25408; [L213] int __return_25502; [L214] int __return_25469; [L217] int main__c1; [L218] int main__i2; [L219] main__c1 = 0 [L220] r1 = __VERIFIER_nondet_uchar() [L221] id1 = __VERIFIER_nondet_char() [L222] st1 = __VERIFIER_nondet_char() [L223] send1 = __VERIFIER_nondet_char() [L224] mode1 = __VERIFIER_nondet_bool() [L225] alive1 = __VERIFIER_nondet_bool() [L226] id2 = __VERIFIER_nondet_char() [L227] st2 = __VERIFIER_nondet_char() [L228] send2 = __VERIFIER_nondet_char() [L229] mode2 = __VERIFIER_nondet_bool() [L230] alive2 = __VERIFIER_nondet_bool() [L231] id3 = __VERIFIER_nondet_char() [L232] st3 = __VERIFIER_nondet_char() [L233] send3 = __VERIFIER_nondet_char() [L234] mode3 = __VERIFIER_nondet_bool() [L235] alive3 = __VERIFIER_nondet_bool() [L236] id4 = __VERIFIER_nondet_char() [L237] st4 = __VERIFIER_nondet_char() [L238] send4 = __VERIFIER_nondet_char() [L239] mode4 = __VERIFIER_nondet_bool() [L240] alive4 = __VERIFIER_nondet_bool() [L242] int init__tmp; [L243] COND TRUE ((int)r1) == 0 [L245] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L247] COND TRUE ((int)id1) >= 0 [L249] COND TRUE ((int)st1) == 0 [L251] COND TRUE ((int)send1) == ((int)id1) [L253] COND TRUE ((int)mode1) == 0 [L255] COND TRUE ((int)id2) >= 0 [L257] COND TRUE ((int)st2) == 0 [L259] COND TRUE ((int)send2) == ((int)id2) [L261] COND TRUE ((int)mode2) == 0 [L263] COND TRUE ((int)id3) >= 0 [L265] COND TRUE ((int)st3) == 0 [L267] COND TRUE ((int)send3) == ((int)id3) [L269] COND TRUE ((int)mode3) == 0 [L271] COND TRUE ((int)id4) >= 0 [L273] COND TRUE ((int)st4) == 0 [L275] COND TRUE ((int)send4) == ((int)id4) [L277] COND TRUE ((int)mode4) == 0 [L279] COND TRUE ((int)id1) != ((int)id2) [L281] COND TRUE ((int)id1) != ((int)id3) [L283] COND TRUE ((int)id1) != ((int)id4) [L285] COND TRUE ((int)id2) != ((int)id3) [L287] COND TRUE ((int)id2) != ((int)id4) [L289] COND TRUE ((int)id3) != ((int)id4) [L291] init__tmp = 1 [L292] __return_19141 = init__tmp [L293] main__i2 = __return_19141 [L294] COND TRUE main__i2 != 0 [L296] p1_old = nomsg [L297] p1_new = nomsg [L298] p2_old = nomsg [L299] p2_new = nomsg [L300] p3_old = nomsg [L301] p3_new = nomsg [L302] p4_old = nomsg [L303] p4_new = nomsg [L304] main__i2 = 0 [L306] msg_t node1__m1; [L307] node1__m1 = nomsg [L308] COND FALSE !(!(mode1 == 0)) [L314] COND TRUE !(alive1 == 0) [L316] int node1____CPAchecker_TMP_0; [L317] COND TRUE send1 != nomsg [L319] COND TRUE p1_new == nomsg [L321] node1____CPAchecker_TMP_0 = send1 [L322] p1_new = node1____CPAchecker_TMP_0 [L324] mode1 = 1 [L326] msg_t node2__m2; [L327] node2__m2 = nomsg [L328] COND FALSE !(!(mode2 == 0)) [L334] COND FALSE !(!(alive2 == 0)) [L4164] COND FALSE !(((int)send2) != ((int)id2)) [L4185] mode2 = 1 [L4187] msg_t node3__m3; [L4188] node3__m3 = nomsg [L4189] COND FALSE !(!(mode3 == 0)) [L4195] COND TRUE !(alive3 == 0) [L4197] int node3____CPAchecker_TMP_0; [L4198] COND TRUE send3 != nomsg [L4200] COND TRUE p3_new == nomsg [L4202] node3____CPAchecker_TMP_0 = send3 [L4203] p3_new = node3____CPAchecker_TMP_0 [L4204] mode3 = 1 [L4206] msg_t node4__m4; [L4207] node4__m4 = nomsg [L4208] COND FALSE !(!(mode4 == 0)) [L4214] COND FALSE !(!(alive4 == 0)) [L4323] COND FALSE !(((int)send4) != ((int)id4)) [L4390] mode4 = 1 [L4391] p1_old = p1_new [L4392] p1_new = nomsg [L4393] p2_old = p2_new [L4394] p2_new = nomsg [L4395] p3_old = p3_new [L4396] p3_new = nomsg [L4397] p4_old = p4_new [L4398] p4_new = nomsg [L4400] int check__tmp; [L4401] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L4403] COND TRUE ((int)r1) < 4 [L4405] check__tmp = 1 [L4406] __return_23531 = check__tmp [L4407] main__c1 = __return_23531 [L4409] _Bool __tmp_48; [L4410] __tmp_48 = main__c1 [L4411] _Bool assert__arg; [L4412] assert__arg = __tmp_48 [L4413] COND FALSE !(assert__arg == 0) [L413] msg_t node1__m1; [L414] node1__m1 = nomsg [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] node1__m1 = p4_old [L425] p4_old = nomsg [L426] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L2222] mode1 = 0 [L437] msg_t node2__m2; [L438] node2__m2 = nomsg [L439] COND TRUE !(mode2 == 0) [L441] node2__m2 = p1_old [L442] p1_old = nomsg [L443] COND TRUE ((int)node2__m2) != ((int)nomsg) [L445] COND TRUE !(alive2 == 0) [L447] COND FALSE !(((int)node2__m2) > ((int)id2)) [L1250] COND TRUE ((int)node2__m2) == ((int)id2) [L1252] st2 = 1 [L1253] mode2 = 0 [L1255] msg_t node3__m3; [L1256] node3__m3 = nomsg [L1257] COND TRUE !(mode3 == 0) [L1259] node3__m3 = p2_old [L1260] p2_old = nomsg [L1261] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L1547] mode3 = 0 [L1272] msg_t node4__m4; [L1273] node4__m4 = nomsg [L1274] COND TRUE !(mode4 == 0) [L1276] node4__m4 = p3_old [L1277] p3_old = nomsg [L1278] COND TRUE ((int)node4__m4) != ((int)nomsg) [L1280] COND TRUE !(alive4 == 0) [L1282] COND FALSE !(((int)node4__m4) > ((int)id4)) [L1333] COND TRUE ((int)node4__m4) == ((int)id4) [L1335] st4 = 1 [L1336] mode4 = 0 [L1337] p1_old = p1_new [L1338] p1_new = nomsg [L1339] p2_old = p2_new [L1340] p2_new = nomsg [L1341] p3_old = p3_new [L1342] p3_new = nomsg [L1343] p4_old = p4_new [L1344] p4_new = nomsg [L1346] int check__tmp; [L1347] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L1353] check__tmp = 0 [L1354] __return_22053 = check__tmp [L1355] main__c1 = __return_22053 [L1357] _Bool __tmp_8; [L1358] __tmp_8 = main__c1 [L1359] _Bool assert__arg; [L1360] assert__arg = __tmp_8 [L1361] COND TRUE assert__arg == 0 [L1363] __VERIFIER_error() - UnprovableResult [Line: 621]: 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] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19141; [L55] int __return_22893; [L56] int __return_19315; [L57] int __return_19398; [L58] int __return_19817; [L59] int __return_20369; [L60] int __return_20614; [L61] int __return_21796; [L62] int __return_22053; [L63] int __return_22606; [L64] int __return_22855; [L65] int __return_19659; [L66] int __return_19892; [L67] int __return_20456; [L68] int __return_20692; [L69] int __return_21895; [L70] int __return_22131; [L71] int __return_22696; [L72] int __return_22815; [L73] int __return_22974; [L74] int __return_22941; [L75] int __return_22644; [L76] int __return_22555; [L77] int __return_22766; [L78] int __return_22733; [L79] int __return_23198; [L80] int __return_23167; [L81] int __return_23261; [L82] int __return_23228; [L83] int __return_23053; [L84] int __return_23022; [L85] int __return_23116; [L86] int __return_23083; [L87] int __return_22091; [L88] int __return_22014; [L89] int __return_22201; [L90] int __return_22168; [L91] int __return_21832; [L92] int __return_21731; [L93] int __return_21965; [L94] int __return_21932; [L95] int __return_22425; [L96] int __return_22394; [L97] int __return_22488; [L98] int __return_22455; [L99] int __return_22280; [L100] int __return_22249; [L101] int __return_22343; [L102] int __return_22310; [L103] int __return_23501; [L104] int __return_23470; [L105] int __return_23564; [L106] int __return_23531; [L107] int __return_23358; [L108] int __return_23327; [L109] int __return_23421; [L110] int __return_23388; [L111] int __return_23788; [L112] int __return_23757; [L113] int __return_23851; [L114] int __return_23818; [L115] int __return_23643; [L116] int __return_23612; [L117] int __return_23706; [L118] int __return_23673; [L119] int __return_20652; [L120] int __return_20575; [L121] int __return_20762; [L122] int __return_20729; [L123] int __return_20405; [L124] int __return_20316; [L125] int __return_20526; [L126] int __return_20493; [L127] int __return_20986; [L128] int __return_20955; [L129] int __return_21049; [L130] int __return_21016; [L131] int __return_20841; [L132] int __return_20810; [L133] int __return_20904; [L134] int __return_20871; [L135] int __return_19853; [L136] int __return_19776; [L137] int __return_19962; [L138] int __return_19929; [L139] int __return_19581; [L140] int __return_19240; [L141] int __return_19727; [L142] int __return_19694; [L143] int __return_20186; [L144] int __return_20155; [L145] int __return_20249; [L146] int __return_20216; [L147] int __return_20041; [L148] int __return_20010; [L149] int __return_20104; [L150] int __return_20071; [L151] int __return_21289; [L152] int __return_21258; [L153] int __return_21352; [L154] int __return_21319; [L155] int __return_21146; [L156] int __return_21115; [L157] int __return_21209; [L158] int __return_21176; [L159] int __return_21576; [L160] int __return_21545; [L161] int __return_21639; [L162] int __return_21606; [L163] int __return_21431; [L164] int __return_21400; [L165] int __return_21494; [L166] int __return_21461; [L167] int __return_24707; [L168] int __return_24676; [L169] int __return_24770; [L170] int __return_24737; [L171] int __return_24564; [L172] int __return_24533; [L173] int __return_24627; [L174] int __return_24594; [L175] int __return_24994; [L176] int __return_24963; [L177] int __return_25057; [L178] int __return_25024; [L179] int __return_24849; [L180] int __return_24818; [L181] int __return_24912; [L182] int __return_24879; [L183] int __return_24116; [L184] int __return_24085; [L185] int __return_24179; [L186] int __return_24146; [L187] int __return_23973; [L188] int __return_23942; [L189] int __return_24036; [L190] int __return_24003; [L191] int __return_24403; [L192] int __return_24372; [L193] int __return_24466; [L194] int __return_24433; [L195] int __return_24258; [L196] int __return_24227; [L197] int __return_24321; [L198] int __return_24288; [L199] int __return_25297; [L200] int __return_25266; [L201] int __return_25360; [L202] int __return_25327; [L203] int __return_25154; [L204] int __return_25123; [L205] int __return_25217; [L206] int __return_25184; [L207] int __return_25584; [L208] int __return_25553; [L209] int __return_25647; [L210] int __return_25614; [L211] int __return_25439; [L212] int __return_25408; [L213] int __return_25502; [L214] int __return_25469; [L217] int main__c1; [L218] int main__i2; [L219] main__c1 = 0 [L220] r1 = __VERIFIER_nondet_uchar() [L221] id1 = __VERIFIER_nondet_char() [L222] st1 = __VERIFIER_nondet_char() [L223] send1 = __VERIFIER_nondet_char() [L224] mode1 = __VERIFIER_nondet_bool() [L225] alive1 = __VERIFIER_nondet_bool() [L226] id2 = __VERIFIER_nondet_char() [L227] st2 = __VERIFIER_nondet_char() [L228] send2 = __VERIFIER_nondet_char() [L229] mode2 = __VERIFIER_nondet_bool() [L230] alive2 = __VERIFIER_nondet_bool() [L231] id3 = __VERIFIER_nondet_char() [L232] st3 = __VERIFIER_nondet_char() [L233] send3 = __VERIFIER_nondet_char() [L234] mode3 = __VERIFIER_nondet_bool() [L235] alive3 = __VERIFIER_nondet_bool() [L236] id4 = __VERIFIER_nondet_char() [L237] st4 = __VERIFIER_nondet_char() [L238] send4 = __VERIFIER_nondet_char() [L239] mode4 = __VERIFIER_nondet_bool() [L240] alive4 = __VERIFIER_nondet_bool() [L242] int init__tmp; [L243] COND TRUE ((int)r1) == 0 [L245] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L247] COND TRUE ((int)id1) >= 0 [L249] COND TRUE ((int)st1) == 0 [L251] COND TRUE ((int)send1) == ((int)id1) [L253] COND TRUE ((int)mode1) == 0 [L255] COND TRUE ((int)id2) >= 0 [L257] COND TRUE ((int)st2) == 0 [L259] COND TRUE ((int)send2) == ((int)id2) [L261] COND TRUE ((int)mode2) == 0 [L263] COND TRUE ((int)id3) >= 0 [L265] COND TRUE ((int)st3) == 0 [L267] COND TRUE ((int)send3) == ((int)id3) [L269] COND TRUE ((int)mode3) == 0 [L271] COND TRUE ((int)id4) >= 0 [L273] COND TRUE ((int)st4) == 0 [L275] COND TRUE ((int)send4) == ((int)id4) [L277] COND TRUE ((int)mode4) == 0 [L279] COND TRUE ((int)id1) != ((int)id2) [L281] COND TRUE ((int)id1) != ((int)id3) [L283] COND TRUE ((int)id1) != ((int)id4) [L285] COND TRUE ((int)id2) != ((int)id3) [L287] COND TRUE ((int)id2) != ((int)id4) [L289] COND TRUE ((int)id3) != ((int)id4) [L291] init__tmp = 1 [L292] __return_19141 = init__tmp [L293] main__i2 = __return_19141 [L294] COND TRUE main__i2 != 0 [L296] p1_old = nomsg [L297] p1_new = nomsg [L298] p2_old = nomsg [L299] p2_new = nomsg [L300] p3_old = nomsg [L301] p3_new = nomsg [L302] p4_old = nomsg [L303] p4_new = nomsg [L304] main__i2 = 0 [L306] msg_t node1__m1; [L307] node1__m1 = nomsg [L308] COND FALSE !(!(mode1 == 0)) [L314] COND TRUE !(alive1 == 0) [L316] int node1____CPAchecker_TMP_0; [L317] COND TRUE send1 != nomsg [L319] COND TRUE p1_new == nomsg [L321] node1____CPAchecker_TMP_0 = send1 [L322] p1_new = node1____CPAchecker_TMP_0 [L324] mode1 = 1 [L326] msg_t node2__m2; [L327] node2__m2 = nomsg [L328] COND FALSE !(!(mode2 == 0)) [L334] COND FALSE !(!(alive2 == 0)) [L4164] COND FALSE !(((int)send2) != ((int)id2)) [L4185] mode2 = 1 [L4187] msg_t node3__m3; [L4188] node3__m3 = nomsg [L4189] COND FALSE !(!(mode3 == 0)) [L4195] COND FALSE !(!(alive3 == 0)) [L4684] COND FALSE !(((int)send3) != ((int)id3)) [L4941] mode3 = 1 [L4943] msg_t node4__m4; [L4944] node4__m4 = nomsg [L4945] COND FALSE !(!(mode4 == 0)) [L4951] COND TRUE !(alive4 == 0) [L4953] int node4____CPAchecker_TMP_0; [L4954] COND TRUE send4 != nomsg [L4956] COND TRUE p4_new == nomsg [L4958] node4____CPAchecker_TMP_0 = send4 [L4959] p4_new = node4____CPAchecker_TMP_0 [L4960] mode4 = 1 [L4961] p1_old = p1_new [L4962] p1_new = nomsg [L4963] p2_old = p2_new [L4964] p2_new = nomsg [L4965] p3_old = p3_new [L4966] p3_new = nomsg [L4967] p4_old = p4_new [L4968] p4_new = nomsg [L4970] int check__tmp; [L4971] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L4973] COND TRUE ((int)r1) < 4 [L4975] check__tmp = 1 [L4976] __return_23643 = check__tmp [L4977] main__c1 = __return_23643 [L4979] _Bool __tmp_57; [L4980] __tmp_57 = main__c1 [L4981] _Bool assert__arg; [L4982] assert__arg = __tmp_57 [L4983] COND FALSE !(assert__arg == 0) [L413] msg_t node1__m1; [L414] node1__m1 = nomsg [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] node1__m1 = p4_old [L425] p4_old = nomsg [L426] COND TRUE ((int)node1__m1) != ((int)nomsg) [L428] COND TRUE !(alive1 == 0) [L430] COND FALSE !(((int)node1__m1) > ((int)id1)) [L1584] COND TRUE ((int)node1__m1) == ((int)id1) [L1586] st1 = 1 [L1587] mode1 = 0 [L1589] msg_t node2__m2; [L1590] node2__m2 = nomsg [L1591] COND TRUE !(mode2 == 0) [L1593] node2__m2 = p1_old [L1594] p1_old = nomsg [L1595] COND TRUE ((int)node2__m2) != ((int)nomsg) [L1597] COND TRUE !(alive2 == 0) [L1599] COND FALSE !(((int)node2__m2) > ((int)id2)) [L1910] COND TRUE ((int)node2__m2) == ((int)id2) [L1912] st2 = 1 [L1913] mode2 = 0 [L1915] msg_t node3__m3; [L1916] node3__m3 = nomsg [L1917] COND TRUE !(mode3 == 0) [L1919] node3__m3 = p2_old [L1920] p2_old = nomsg [L1921] COND TRUE ((int)node3__m3) != ((int)nomsg) [L1923] COND TRUE !(alive3 == 0) [L1925] COND FALSE !(((int)node3__m3) > ((int)id3)) [L2060] COND TRUE ((int)node3__m3) == ((int)id3) [L2062] st3 = 1 [L2063] mode3 = 0 [L2065] msg_t node4__m4; [L2066] node4__m4 = nomsg [L2067] COND TRUE !(mode4 == 0) [L2069] node4__m4 = p3_old [L2070] p3_old = nomsg [L2071] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L2106] mode4 = 0 [L2107] p1_old = p1_new [L2108] p1_new = nomsg [L2109] p2_old = p2_new [L2110] p2_new = nomsg [L2111] p3_old = p3_new [L2112] p3_new = nomsg [L2113] p4_old = p4_new [L2114] p4_new = nomsg [L2116] int check__tmp; [L2117] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2144] check__tmp = 0 [L2124] __return_22696 = check__tmp [L2125] main__c1 = __return_22696 [L615] _Bool __tmp_3; [L616] __tmp_3 = main__c1 [L617] _Bool assert__arg; [L618] assert__arg = __tmp_3 [L619] COND TRUE assert__arg == 0 [L621] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...