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_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:11:25,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:11:25,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:11:25,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:11:25,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:11:25,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:11:25,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:11:25,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:11:25,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:11:25,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:11:25,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:11:25,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:11:25,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:11:25,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:11:25,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:11:25,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:11:25,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:11:25,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:11:25,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:11:25,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:11:25,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:11:25,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:11:25,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:11:25,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:11:25,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:11:25,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:11:25,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:11:25,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:11:25,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:11:25,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:11:25,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:11:25,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:11:25,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:11:25,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:11:25,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:11:25,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:11:25,419 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 17:11:25,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:11:25,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:11:25,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:11:25,442 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:11:25,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:11:25,443 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:11:25,444 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:11:25,444 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:11:25,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:11:25,444 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:11:25,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:11:25,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:11:25,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:11:25,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:11:25,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:11:25,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:11:25,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:11:25,448 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:11:25,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:11:25,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:11:25,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:11:25,449 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:11:25,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:11:25,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:11:25,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:11:25,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:11:25,450 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:11:25,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:11:25,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:11:25,450 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:11:25,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:11:25,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:11:25,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:11:25,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:11:25,505 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:11:25,506 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:11:25,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8a6b325/0f3621e6c08846838b9f651ad722aceb/FLAGb7f01a907 [2019-09-11 17:11:26,217 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:11:26,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-11 17:11:26,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8a6b325/0f3621e6c08846838b9f651ad722aceb/FLAGb7f01a907 [2019-09-11 17:11:26,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8a6b325/0f3621e6c08846838b9f651ad722aceb [2019-09-11 17:11:26,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:11:26,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:11:26,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:26,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:11:26,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:11:26,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405b959d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26, skipping insertion in model container [2019-09-11 17:11:26,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:11:26,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:11:27,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:27,476 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:11:27,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:27,916 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:11:27,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27 WrapperNode [2019-09-11 17:11:27,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:27,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:11:27,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:11:27,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:11:27,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:27,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:27,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:27,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:28,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:28,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:28,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:28,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:11:28,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:11:28,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:11:28,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:11:28,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27" (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 17:11:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:11:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:11:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:11:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:11:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:11:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:11:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:11:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:11:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:11:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:11:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:11:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:11:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:11:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:11:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:11:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:11:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:11:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:11:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:11:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:11:30,753 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:11:30,754 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:11:30,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:30 BoogieIcfgContainer [2019-09-11 17:11:30,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:11:30,758 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:11:30,759 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:11:30,760 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:11:30,761 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:30" (1/1) ... [2019-09-11 17:11:30,825 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:11:31,024 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:11:59,971 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:12:00,084 INFO L272 AbstractInterpreter]: Visited 1094 different actions 45827 times. Merged at 704 different actions 24460 times. Widened at 222 different actions 3047 times. Performed 143644 root evaluator evaluations with a maximum evaluation depth of 6. Performed 143644 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 13396 fixpoints after 503 different actions. Largest state had 338 variables. [2019-09-11 17:12:00,084 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:12:00,087 INFO L168 Benchmark]: Toolchain (without parser) took 33667.69 ms. Allocated memory was 141.6 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 86.7 MB in the beginning and 725.8 MB in the end (delta: -639.1 MB). Peak memory consumption was 703.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,088 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1499.18 ms. Allocated memory was 141.6 MB in the beginning and 213.9 MB in the end (delta: 72.4 MB). Free memory was 86.5 MB in the beginning and 167.7 MB in the end (delta: -81.2 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,090 INFO L168 Benchmark]: Boogie Preprocessor took 186.96 ms. Allocated memory is still 213.9 MB. Free memory was 167.7 MB in the beginning and 160.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,091 INFO L168 Benchmark]: RCFGBuilder took 2650.51 ms. Allocated memory was 213.9 MB in the beginning and 275.3 MB in the end (delta: 61.3 MB). Free memory was 160.8 MB in the beginning and 241.9 MB in the end (delta: -81.1 MB). Peak memory consumption was 147.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,092 INFO L168 Benchmark]: Abstract Interpretation took 29326.62 ms. Allocated memory was 275.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 241.9 MB in the beginning and 725.8 MB in the end (delta: -483.9 MB). Peak memory consumption was 724.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,097 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1499.18 ms. Allocated memory was 141.6 MB in the beginning and 213.9 MB in the end (delta: 72.4 MB). Free memory was 86.5 MB in the beginning and 167.7 MB in the end (delta: -81.2 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 186.96 ms. Allocated memory is still 213.9 MB. Free memory was 167.7 MB in the beginning and 160.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2650.51 ms. Allocated memory was 213.9 MB in the beginning and 275.3 MB in the end (delta: 61.3 MB). Free memory was 160.8 MB in the beginning and 241.9 MB in the end (delta: -81.1 MB). Peak memory consumption was 147.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 29326.62 ms. Allocated memory was 275.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 241.9 MB in the beginning and 725.8 MB in the end (delta: -483.9 MB). Peak memory consumption was 724.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1396]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_2829; [L98] int __return_3039; [L99] int __return_3223; [L100] int __return_3411; [L101] int __return_4089; [L102] int __return_3596; [L103] int __return_3773; [L106] int main__c1; [L107] int main__i2; [L108] main__c1 = 0 [L109] ep12 = __VERIFIER_nondet_bool() [L110] ep13 = __VERIFIER_nondet_bool() [L111] ep14 = __VERIFIER_nondet_bool() [L112] ep21 = __VERIFIER_nondet_bool() [L113] ep23 = __VERIFIER_nondet_bool() [L114] ep24 = __VERIFIER_nondet_bool() [L115] ep31 = __VERIFIER_nondet_bool() [L116] ep32 = __VERIFIER_nondet_bool() [L117] ep34 = __VERIFIER_nondet_bool() [L118] ep41 = __VERIFIER_nondet_bool() [L119] ep42 = __VERIFIER_nondet_bool() [L120] ep43 = __VERIFIER_nondet_bool() [L121] id1 = __VERIFIER_nondet_char() [L122] r1 = __VERIFIER_nondet_uchar() [L123] st1 = __VERIFIER_nondet_char() [L124] nl1 = __VERIFIER_nondet_char() [L125] m1 = __VERIFIER_nondet_char() [L126] max1 = __VERIFIER_nondet_char() [L127] mode1 = __VERIFIER_nondet_bool() [L128] id2 = __VERIFIER_nondet_char() [L129] r2 = __VERIFIER_nondet_uchar() [L130] st2 = __VERIFIER_nondet_char() [L131] nl2 = __VERIFIER_nondet_char() [L132] m2 = __VERIFIER_nondet_char() [L133] max2 = __VERIFIER_nondet_char() [L134] mode2 = __VERIFIER_nondet_bool() [L135] id3 = __VERIFIER_nondet_char() [L136] r3 = __VERIFIER_nondet_uchar() [L137] st3 = __VERIFIER_nondet_char() [L138] nl3 = __VERIFIER_nondet_char() [L139] m3 = __VERIFIER_nondet_char() [L140] max3 = __VERIFIER_nondet_char() [L141] mode3 = __VERIFIER_nondet_bool() [L142] id4 = __VERIFIER_nondet_char() [L143] r4 = __VERIFIER_nondet_uchar() [L144] st4 = __VERIFIER_nondet_char() [L145] nl4 = __VERIFIER_nondet_char() [L146] m4 = __VERIFIER_nondet_char() [L147] max4 = __VERIFIER_nondet_char() [L148] mode4 = __VERIFIER_nondet_bool() [L150] _Bool init__r121; [L151] _Bool init__r131; [L152] _Bool init__r141; [L153] _Bool init__r211; [L154] _Bool init__r231; [L155] _Bool init__r241; [L156] _Bool init__r311; [L157] _Bool init__r321; [L158] _Bool init__r341; [L159] _Bool init__r411; [L160] _Bool init__r421; [L161] _Bool init__r431; [L162] _Bool init__r122; [L163] int init__tmp; [L164] _Bool init__r132; [L165] int init__tmp___0; [L166] _Bool init__r142; [L167] int init__tmp___1; [L168] _Bool init__r212; [L169] int init__tmp___2; [L170] _Bool init__r232; [L171] int init__tmp___3; [L172] _Bool init__r242; [L173] int init__tmp___4; [L174] _Bool init__r312; [L175] int init__tmp___5; [L176] _Bool init__r322; [L177] int init__tmp___6; [L178] _Bool init__r342; [L179] int init__tmp___7; [L180] _Bool init__r412; [L181] int init__tmp___8; [L182] _Bool init__r422; [L183] int init__tmp___9; [L184] _Bool init__r432; [L185] int init__tmp___10; [L186] _Bool init__r123; [L187] int init__tmp___11; [L188] _Bool init__r133; [L189] int init__tmp___12; [L190] _Bool init__r143; [L191] int init__tmp___13; [L192] _Bool init__r213; [L193] int init__tmp___14; [L194] _Bool init__r233; [L195] int init__tmp___15; [L196] _Bool init__r243; [L197] int init__tmp___16; [L198] _Bool init__r313; [L199] int init__tmp___17; [L200] _Bool init__r323; [L201] int init__tmp___18; [L202] _Bool init__r343; [L203] int init__tmp___19; [L204] _Bool init__r413; [L205] int init__tmp___20; [L206] _Bool init__r423; [L207] int init__tmp___21; [L208] _Bool init__r433; [L209] int init__tmp___22; [L210] int init__tmp___23; [L211] init__r121 = ep12 [L212] init__r131 = ep13 [L213] init__r141 = ep14 [L214] init__r211 = ep21 [L215] init__r231 = ep23 [L216] init__r241 = ep24 [L217] init__r311 = ep31 [L218] init__r321 = ep32 [L219] init__r341 = ep34 [L220] init__r411 = ep41 [L221] init__r421 = ep42 [L222] init__r431 = ep43 [L223] COND TRUE !(init__r121 == 0) [L225] init__tmp = 1 [L227] init__r122 = (_Bool)init__tmp [L228] COND TRUE !(init__r131 == 0) [L230] init__tmp___0 = 1 [L232] init__r132 = (_Bool)init__tmp___0 [L233] COND TRUE !(init__r141 == 0) [L235] init__tmp___1 = 1 [L237] init__r142 = (_Bool)init__tmp___1 [L238] COND TRUE !(init__r211 == 0) [L240] init__tmp___2 = 1 [L242] init__r212 = (_Bool)init__tmp___2 [L243] COND TRUE !(init__r231 == 0) [L245] init__tmp___3 = 1 [L247] init__r232 = (_Bool)init__tmp___3 [L248] COND TRUE !(init__r241 == 0) [L250] init__tmp___4 = 1 [L252] init__r242 = (_Bool)init__tmp___4 [L253] COND TRUE !(init__r311 == 0) [L255] init__tmp___5 = 1 [L257] init__r312 = (_Bool)init__tmp___5 [L258] COND TRUE !(init__r321 == 0) [L260] init__tmp___6 = 1 [L262] init__r322 = (_Bool)init__tmp___6 [L263] COND TRUE !(init__r341 == 0) [L265] init__tmp___7 = 1 [L267] init__r342 = (_Bool)init__tmp___7 [L268] COND TRUE !(init__r411 == 0) [L270] init__tmp___8 = 1 [L272] init__r412 = (_Bool)init__tmp___8 [L273] COND TRUE !(init__r421 == 0) [L275] init__tmp___9 = 1 [L277] init__r422 = (_Bool)init__tmp___9 [L278] COND TRUE !(init__r431 == 0) [L280] init__tmp___10 = 1 [L282] init__r432 = (_Bool)init__tmp___10 [L283] COND TRUE !(init__r122 == 0) [L285] init__tmp___11 = 1 [L287] init__r123 = (_Bool)init__tmp___11 [L288] COND TRUE !(init__r132 == 0) [L290] init__tmp___12 = 1 [L292] init__r133 = (_Bool)init__tmp___12 [L293] COND TRUE !(init__r142 == 0) [L295] init__tmp___13 = 1 [L297] init__r143 = (_Bool)init__tmp___13 [L298] COND TRUE !(init__r212 == 0) [L300] init__tmp___14 = 1 [L302] init__r213 = (_Bool)init__tmp___14 [L303] COND TRUE !(init__r232 == 0) [L305] init__tmp___15 = 1 [L307] init__r233 = (_Bool)init__tmp___15 [L308] COND TRUE !(init__r242 == 0) [L310] init__tmp___16 = 1 [L312] init__r243 = (_Bool)init__tmp___16 [L313] COND TRUE !(init__r312 == 0) [L315] init__tmp___17 = 1 [L317] init__r313 = (_Bool)init__tmp___17 [L318] COND TRUE !(init__r322 == 0) [L320] init__tmp___18 = 1 [L322] init__r323 = (_Bool)init__tmp___18 [L323] COND TRUE !(init__r342 == 0) [L325] init__tmp___19 = 1 [L327] init__r343 = (_Bool)init__tmp___19 [L328] COND TRUE !(init__r412 == 0) [L330] init__tmp___20 = 1 [L332] init__r413 = (_Bool)init__tmp___20 [L333] COND TRUE !(init__r422 == 0) [L335] init__tmp___21 = 1 [L337] init__r423 = (_Bool)init__tmp___21 [L338] COND TRUE !(init__r432 == 0) [L340] init__tmp___22 = 1 [L342] init__r433 = (_Bool)init__tmp___22 [L343] COND TRUE ((int)id1) != ((int)id2) [L345] COND TRUE ((int)id1) != ((int)id3) [L347] COND TRUE ((int)id1) != ((int)id4) [L349] COND TRUE ((int)id2) != ((int)id3) [L351] COND TRUE ((int)id2) != ((int)id4) [L353] COND TRUE ((int)id3) != ((int)id4) [L355] COND TRUE ((int)id1) >= 0 [L357] COND TRUE ((int)id2) >= 0 [L359] COND TRUE ((int)id3) >= 0 [L361] COND TRUE ((int)id4) >= 0 [L363] COND TRUE ((int)r1) == 0 [L365] COND TRUE ((int)r2) == 0 [L367] COND TRUE ((int)r3) == 0 [L369] COND TRUE ((int)r4) == 0 [L371] COND TRUE !(init__r123 == 0) [L373] COND TRUE !(init__r133 == 0) [L375] COND TRUE !(init__r143 == 0) [L377] COND TRUE !(init__r213 == 0) [L379] COND TRUE !(init__r233 == 0) [L381] COND TRUE !(init__r243 == 0) [L383] COND TRUE !(init__r313 == 0) [L385] COND TRUE !(init__r323 == 0) [L387] COND TRUE !(init__r343 == 0) [L389] COND TRUE !(init__r413 == 0) [L391] COND TRUE !(init__r423 == 0) [L393] COND TRUE !(init__r433 == 0) [L395] COND TRUE ((int)max1) == ((int)id1) [L397] COND TRUE ((int)max2) == ((int)id2) [L399] COND TRUE ((int)max3) == ((int)id3) [L401] COND TRUE ((int)max4) == ((int)id4) [L403] COND TRUE ((int)st1) == 0 [L405] COND TRUE ((int)st2) == 0 [L407] COND TRUE ((int)st3) == 0 [L409] COND TRUE ((int)st4) == 0 [L411] COND TRUE ((int)nl1) == 0 [L413] COND TRUE ((int)nl2) == 0 [L415] COND TRUE ((int)nl3) == 0 [L417] COND TRUE ((int)nl4) == 0 [L419] COND TRUE ((int)mode1) == 0 [L421] COND TRUE ((int)mode2) == 0 [L423] COND TRUE ((int)mode3) == 0 [L425] COND TRUE ((int)mode4) == 0 [L427] init__tmp___23 = 1 [L428] __return_2829 = init__tmp___23 [L429] main__i2 = __return_2829 [L430] COND TRUE main__i2 != 0 [L432] p12_old = nomsg [L433] p12_new = nomsg [L434] p13_old = nomsg [L435] p13_new = nomsg [L436] p14_old = nomsg [L437] p14_new = nomsg [L438] p21_old = nomsg [L439] p21_new = nomsg [L440] p23_old = nomsg [L441] p23_new = nomsg [L442] p24_old = nomsg [L443] p24_new = nomsg [L444] p31_old = nomsg [L445] p31_new = nomsg [L446] p32_old = nomsg [L447] p32_new = nomsg [L448] p34_old = nomsg [L449] p34_new = nomsg [L450] p41_old = nomsg [L451] p41_new = nomsg [L452] p42_old = nomsg [L453] p42_new = nomsg [L454] p43_old = nomsg [L455] p43_new = nomsg [L456] main__i2 = 0 [L458] COND FALSE !(!(mode1 == 0)) [L464] COND TRUE ((int)r1) < 3 [L466] COND FALSE !(!(ep12 == 0)) [L477] COND FALSE !(!(ep13 == 0)) [L488] COND FALSE !(!(ep14 == 0)) [L499] mode1 = 1 [L501] COND FALSE !(!(mode2 == 0)) [L507] COND TRUE ((int)r2) < 3 [L509] COND FALSE !(!(ep21 == 0)) [L520] COND FALSE !(!(ep23 == 0)) [L531] COND FALSE !(!(ep24 == 0)) [L542] mode2 = 1 [L544] COND FALSE !(!(mode3 == 0)) [L550] COND TRUE ((int)r3) < 3 [L552] COND FALSE !(!(ep31 == 0)) [L563] COND FALSE !(!(ep32 == 0)) [L574] COND FALSE !(!(ep34 == 0)) [L585] mode3 = 1 [L587] COND FALSE !(!(mode4 == 0)) [L593] COND TRUE ((int)r4) < 3 [L595] COND FALSE !(!(ep41 == 0)) [L606] COND FALSE !(!(ep42 == 0)) [L617] COND FALSE !(!(ep43 == 0)) [L628] mode4 = 1 [L629] p12_old = p12_new [L630] p12_new = nomsg [L631] p13_old = p13_new [L632] p13_new = nomsg [L633] p14_old = p14_new [L634] p14_new = nomsg [L635] p21_old = p21_new [L636] p21_new = nomsg [L637] p23_old = p23_new [L638] p23_new = nomsg [L639] p24_old = p24_new [L640] p24_new = nomsg [L641] p31_old = p31_new [L642] p31_new = nomsg [L643] p32_old = p32_new [L644] p32_new = nomsg [L645] p34_old = p34_new [L646] p34_new = nomsg [L647] p41_old = p41_new [L648] p41_new = nomsg [L649] p42_old = p42_new [L650] p42_new = nomsg [L651] p43_old = p43_new [L652] p43_new = nomsg [L654] int check__tmp; [L655] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L657] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L659] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L661] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L663] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L665] COND FALSE !(((int)r1) >= 3) [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L673] COND TRUE ((int)r1) < 3 [L675] COND FALSE !(((int)r1) >= 3) [L681] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L683] COND TRUE ((int)r1) < 3 [L685] check__tmp = 1 [L686] __return_3039 = check__tmp [L687] main__c1 = __return_3039 [L689] _Bool __tmp_1; [L690] __tmp_1 = main__c1 [L691] _Bool assert__arg; [L692] assert__arg = __tmp_1 [L693] COND FALSE !(assert__arg == 0) [L700] COND TRUE !(mode1 == 0) [L702] COND FALSE !(r1 == 255) [L708] r1 = r1 + 1 [L709] COND FALSE !(!(ep21 == 0)) [L717] COND FALSE !(!(ep31 == 0)) [L725] COND FALSE !(!(ep41 == 0)) [L733] COND FALSE !(((int)r1) == 2) [L739] mode1 = 0 [L741] COND TRUE !(mode2 == 0) [L743] COND FALSE !(r2 == 255) [L749] r2 = r2 + 1 [L750] COND FALSE !(!(ep12 == 0)) [L758] COND FALSE !(!(ep32 == 0)) [L766] COND FALSE !(!(ep42 == 0)) [L774] COND FALSE !(((int)r2) == 3) [L780] mode2 = 0 [L782] COND TRUE !(mode3 == 0) [L784] COND FALSE !(r3 == 255) [L790] r3 = r3 + 1 [L791] COND FALSE !(!(ep13 == 0)) [L799] COND FALSE !(!(ep23 == 0)) [L807] COND FALSE !(!(ep43 == 0)) [L815] COND FALSE !(((int)r3) == 3) [L821] mode3 = 0 [L823] COND TRUE !(mode4 == 0) [L825] COND FALSE !(r4 == 255) [L831] r4 = r4 + 1 [L832] COND FALSE !(!(ep14 == 0)) [L840] COND FALSE !(!(ep24 == 0)) [L848] COND FALSE !(!(ep34 == 0)) [L856] COND FALSE !(((int)r4) == 3) [L862] mode4 = 0 [L863] p12_old = p12_new [L864] p12_new = nomsg [L865] p13_old = p13_new [L866] p13_new = nomsg [L867] p14_old = p14_new [L868] p14_new = nomsg [L869] p21_old = p21_new [L870] p21_new = nomsg [L871] p23_old = p23_new [L872] p23_new = nomsg [L873] p24_old = p24_new [L874] p24_new = nomsg [L875] p31_old = p31_new [L876] p31_new = nomsg [L877] p32_old = p32_new [L878] p32_new = nomsg [L879] p34_old = p34_new [L880] p34_new = nomsg [L881] p41_old = p41_new [L882] p41_new = nomsg [L883] p42_old = p42_new [L884] p42_new = nomsg [L885] p43_old = p43_new [L886] p43_new = nomsg [L888] int check__tmp; [L889] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L891] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L893] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L895] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L897] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L899] COND FALSE !(((int)r1) >= 3) [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L907] COND TRUE ((int)r1) < 3 [L909] COND FALSE !(((int)r1) >= 3) [L915] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L917] COND TRUE ((int)r1) < 3 [L919] check__tmp = 1 [L920] __return_3223 = check__tmp [L921] main__c1 = __return_3223 [L923] _Bool __tmp_2; [L924] __tmp_2 = main__c1 [L925] _Bool assert__arg; [L926] assert__arg = __tmp_2 [L927] COND FALSE !(assert__arg == 0) [L934] COND FALSE !(!(mode1 == 0)) [L940] COND TRUE ((int)r1) < 3 [L942] COND FALSE !(!(ep12 == 0)) [L953] COND FALSE !(!(ep13 == 0)) [L964] COND FALSE !(!(ep14 == 0)) [L975] mode1 = 1 [L977] COND FALSE !(!(mode2 == 0)) [L983] COND TRUE ((int)r2) < 3 [L985] COND FALSE !(!(ep21 == 0)) [L996] COND FALSE !(!(ep23 == 0)) [L1007] COND FALSE !(!(ep24 == 0)) [L1018] mode2 = 1 [L1020] COND FALSE !(!(mode3 == 0)) [L1026] COND TRUE ((int)r3) < 3 [L1028] COND FALSE !(!(ep31 == 0)) [L1039] COND FALSE !(!(ep32 == 0)) [L1050] COND FALSE !(!(ep34 == 0)) [L1061] mode3 = 1 [L1063] COND FALSE !(!(mode4 == 0)) [L1069] COND TRUE ((int)r4) < 3 [L1071] COND FALSE !(!(ep41 == 0)) [L1082] COND FALSE !(!(ep42 == 0)) [L1093] COND FALSE !(!(ep43 == 0)) [L1104] mode4 = 1 [L1105] p12_old = p12_new [L1106] p12_new = nomsg [L1107] p13_old = p13_new [L1108] p13_new = nomsg [L1109] p14_old = p14_new [L1110] p14_new = nomsg [L1111] p21_old = p21_new [L1112] p21_new = nomsg [L1113] p23_old = p23_new [L1114] p23_new = nomsg [L1115] p24_old = p24_new [L1116] p24_new = nomsg [L1117] p31_old = p31_new [L1118] p31_new = nomsg [L1119] p32_old = p32_new [L1120] p32_new = nomsg [L1121] p34_old = p34_new [L1122] p34_new = nomsg [L1123] p41_old = p41_new [L1124] p41_new = nomsg [L1125] p42_old = p42_new [L1126] p42_new = nomsg [L1127] p43_old = p43_new [L1128] p43_new = nomsg [L1130] int check__tmp; [L1131] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1133] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1135] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1137] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1139] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1141] COND FALSE !(((int)r1) >= 3) [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1149] COND TRUE ((int)r1) < 3 [L1151] COND FALSE !(((int)r1) >= 3) [L1157] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1159] COND TRUE ((int)r1) < 3 [L1161] check__tmp = 1 [L1162] __return_3411 = check__tmp [L1163] main__c1 = __return_3411 [L1165] _Bool __tmp_3; [L1166] __tmp_3 = main__c1 [L1167] _Bool assert__arg; [L1168] assert__arg = __tmp_3 [L1169] COND FALSE !(assert__arg == 0) [L1176] COND TRUE !(mode1 == 0) [L1178] COND FALSE !(r1 == 255) [L1184] r1 = r1 + 1 [L1185] COND FALSE !(!(ep21 == 0)) [L1193] COND FALSE !(!(ep31 == 0)) [L1201] COND FALSE !(!(ep41 == 0)) [L1209] COND TRUE ((int)r1) == 2 [L1211] COND TRUE ((int)max1) == ((int)id1) [L1213] st1 = 1 [L1214] mode1 = 0 [L1216] COND TRUE !(mode2 == 0) [L1218] COND FALSE !(r2 == 255) [L1224] r2 = r2 + 1 [L1225] COND FALSE !(!(ep12 == 0)) [L1233] COND FALSE !(!(ep32 == 0)) [L1241] COND FALSE !(!(ep42 == 0)) [L1249] COND FALSE !(((int)r2) == 3) [L1255] mode2 = 0 [L1257] COND TRUE !(mode3 == 0) [L1259] COND FALSE !(r3 == 255) [L1265] r3 = r3 + 1 [L1266] COND FALSE !(!(ep13 == 0)) [L1274] COND FALSE !(!(ep23 == 0)) [L1282] COND FALSE !(!(ep43 == 0)) [L1290] COND FALSE !(((int)r3) == 3) [L1296] mode3 = 0 [L1298] COND TRUE !(mode4 == 0) [L1300] COND FALSE !(r4 == 255) [L1306] r4 = r4 + 1 [L1307] COND FALSE !(!(ep14 == 0)) [L1315] COND FALSE !(!(ep24 == 0)) [L1323] COND FALSE !(!(ep34 == 0)) [L1331] COND FALSE !(((int)r4) == 3) [L1337] mode4 = 0 [L1338] p12_old = p12_new [L1339] p12_new = nomsg [L1340] p13_old = p13_new [L1341] p13_new = nomsg [L1342] p14_old = p14_new [L1343] p14_new = nomsg [L1344] p21_old = p21_new [L1345] p21_new = nomsg [L1346] p23_old = p23_new [L1347] p23_new = nomsg [L1348] p24_old = p24_new [L1349] p24_new = nomsg [L1350] p31_old = p31_new [L1351] p31_new = nomsg [L1352] p32_old = p32_new [L1353] p32_new = nomsg [L1354] p34_old = p34_new [L1355] p34_new = nomsg [L1356] p41_old = p41_new [L1357] p41_new = nomsg [L1358] p42_old = p42_new [L1359] p42_new = nomsg [L1360] p43_old = p43_new [L1361] p43_new = nomsg [L1363] int check__tmp; [L1364] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1366] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1368] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1370] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1372] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1374] COND FALSE !(((int)r1) >= 3) [L1380] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L1386] check__tmp = 0 [L1387] __return_4089 = check__tmp [L1388] main__c1 = __return_4089 [L1390] _Bool __tmp_4; [L1391] __tmp_4 = main__c1 [L1392] _Bool assert__arg; [L1393] assert__arg = __tmp_4 [L1394] COND TRUE assert__arg == 0 [L1396] __VERIFIER_error() - UnprovableResult [Line: 1743]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_2829; [L98] int __return_3039; [L99] int __return_3223; [L100] int __return_3411; [L101] int __return_4089; [L102] int __return_3596; [L103] int __return_3773; [L106] int main__c1; [L107] int main__i2; [L108] main__c1 = 0 [L109] ep12 = __VERIFIER_nondet_bool() [L110] ep13 = __VERIFIER_nondet_bool() [L111] ep14 = __VERIFIER_nondet_bool() [L112] ep21 = __VERIFIER_nondet_bool() [L113] ep23 = __VERIFIER_nondet_bool() [L114] ep24 = __VERIFIER_nondet_bool() [L115] ep31 = __VERIFIER_nondet_bool() [L116] ep32 = __VERIFIER_nondet_bool() [L117] ep34 = __VERIFIER_nondet_bool() [L118] ep41 = __VERIFIER_nondet_bool() [L119] ep42 = __VERIFIER_nondet_bool() [L120] ep43 = __VERIFIER_nondet_bool() [L121] id1 = __VERIFIER_nondet_char() [L122] r1 = __VERIFIER_nondet_uchar() [L123] st1 = __VERIFIER_nondet_char() [L124] nl1 = __VERIFIER_nondet_char() [L125] m1 = __VERIFIER_nondet_char() [L126] max1 = __VERIFIER_nondet_char() [L127] mode1 = __VERIFIER_nondet_bool() [L128] id2 = __VERIFIER_nondet_char() [L129] r2 = __VERIFIER_nondet_uchar() [L130] st2 = __VERIFIER_nondet_char() [L131] nl2 = __VERIFIER_nondet_char() [L132] m2 = __VERIFIER_nondet_char() [L133] max2 = __VERIFIER_nondet_char() [L134] mode2 = __VERIFIER_nondet_bool() [L135] id3 = __VERIFIER_nondet_char() [L136] r3 = __VERIFIER_nondet_uchar() [L137] st3 = __VERIFIER_nondet_char() [L138] nl3 = __VERIFIER_nondet_char() [L139] m3 = __VERIFIER_nondet_char() [L140] max3 = __VERIFIER_nondet_char() [L141] mode3 = __VERIFIER_nondet_bool() [L142] id4 = __VERIFIER_nondet_char() [L143] r4 = __VERIFIER_nondet_uchar() [L144] st4 = __VERIFIER_nondet_char() [L145] nl4 = __VERIFIER_nondet_char() [L146] m4 = __VERIFIER_nondet_char() [L147] max4 = __VERIFIER_nondet_char() [L148] mode4 = __VERIFIER_nondet_bool() [L150] _Bool init__r121; [L151] _Bool init__r131; [L152] _Bool init__r141; [L153] _Bool init__r211; [L154] _Bool init__r231; [L155] _Bool init__r241; [L156] _Bool init__r311; [L157] _Bool init__r321; [L158] _Bool init__r341; [L159] _Bool init__r411; [L160] _Bool init__r421; [L161] _Bool init__r431; [L162] _Bool init__r122; [L163] int init__tmp; [L164] _Bool init__r132; [L165] int init__tmp___0; [L166] _Bool init__r142; [L167] int init__tmp___1; [L168] _Bool init__r212; [L169] int init__tmp___2; [L170] _Bool init__r232; [L171] int init__tmp___3; [L172] _Bool init__r242; [L173] int init__tmp___4; [L174] _Bool init__r312; [L175] int init__tmp___5; [L176] _Bool init__r322; [L177] int init__tmp___6; [L178] _Bool init__r342; [L179] int init__tmp___7; [L180] _Bool init__r412; [L181] int init__tmp___8; [L182] _Bool init__r422; [L183] int init__tmp___9; [L184] _Bool init__r432; [L185] int init__tmp___10; [L186] _Bool init__r123; [L187] int init__tmp___11; [L188] _Bool init__r133; [L189] int init__tmp___12; [L190] _Bool init__r143; [L191] int init__tmp___13; [L192] _Bool init__r213; [L193] int init__tmp___14; [L194] _Bool init__r233; [L195] int init__tmp___15; [L196] _Bool init__r243; [L197] int init__tmp___16; [L198] _Bool init__r313; [L199] int init__tmp___17; [L200] _Bool init__r323; [L201] int init__tmp___18; [L202] _Bool init__r343; [L203] int init__tmp___19; [L204] _Bool init__r413; [L205] int init__tmp___20; [L206] _Bool init__r423; [L207] int init__tmp___21; [L208] _Bool init__r433; [L209] int init__tmp___22; [L210] int init__tmp___23; [L211] init__r121 = ep12 [L212] init__r131 = ep13 [L213] init__r141 = ep14 [L214] init__r211 = ep21 [L215] init__r231 = ep23 [L216] init__r241 = ep24 [L217] init__r311 = ep31 [L218] init__r321 = ep32 [L219] init__r341 = ep34 [L220] init__r411 = ep41 [L221] init__r421 = ep42 [L222] init__r431 = ep43 [L223] COND TRUE !(init__r121 == 0) [L225] init__tmp = 1 [L227] init__r122 = (_Bool)init__tmp [L228] COND TRUE !(init__r131 == 0) [L230] init__tmp___0 = 1 [L232] init__r132 = (_Bool)init__tmp___0 [L233] COND TRUE !(init__r141 == 0) [L235] init__tmp___1 = 1 [L237] init__r142 = (_Bool)init__tmp___1 [L238] COND TRUE !(init__r211 == 0) [L240] init__tmp___2 = 1 [L242] init__r212 = (_Bool)init__tmp___2 [L243] COND TRUE !(init__r231 == 0) [L245] init__tmp___3 = 1 [L247] init__r232 = (_Bool)init__tmp___3 [L248] COND TRUE !(init__r241 == 0) [L250] init__tmp___4 = 1 [L252] init__r242 = (_Bool)init__tmp___4 [L253] COND TRUE !(init__r311 == 0) [L255] init__tmp___5 = 1 [L257] init__r312 = (_Bool)init__tmp___5 [L258] COND TRUE !(init__r321 == 0) [L260] init__tmp___6 = 1 [L262] init__r322 = (_Bool)init__tmp___6 [L263] COND TRUE !(init__r341 == 0) [L265] init__tmp___7 = 1 [L267] init__r342 = (_Bool)init__tmp___7 [L268] COND TRUE !(init__r411 == 0) [L270] init__tmp___8 = 1 [L272] init__r412 = (_Bool)init__tmp___8 [L273] COND TRUE !(init__r421 == 0) [L275] init__tmp___9 = 1 [L277] init__r422 = (_Bool)init__tmp___9 [L278] COND TRUE !(init__r431 == 0) [L280] init__tmp___10 = 1 [L282] init__r432 = (_Bool)init__tmp___10 [L283] COND TRUE !(init__r122 == 0) [L285] init__tmp___11 = 1 [L287] init__r123 = (_Bool)init__tmp___11 [L288] COND TRUE !(init__r132 == 0) [L290] init__tmp___12 = 1 [L292] init__r133 = (_Bool)init__tmp___12 [L293] COND TRUE !(init__r142 == 0) [L295] init__tmp___13 = 1 [L297] init__r143 = (_Bool)init__tmp___13 [L298] COND TRUE !(init__r212 == 0) [L300] init__tmp___14 = 1 [L302] init__r213 = (_Bool)init__tmp___14 [L303] COND TRUE !(init__r232 == 0) [L305] init__tmp___15 = 1 [L307] init__r233 = (_Bool)init__tmp___15 [L308] COND TRUE !(init__r242 == 0) [L310] init__tmp___16 = 1 [L312] init__r243 = (_Bool)init__tmp___16 [L313] COND TRUE !(init__r312 == 0) [L315] init__tmp___17 = 1 [L317] init__r313 = (_Bool)init__tmp___17 [L318] COND TRUE !(init__r322 == 0) [L320] init__tmp___18 = 1 [L322] init__r323 = (_Bool)init__tmp___18 [L323] COND TRUE !(init__r342 == 0) [L325] init__tmp___19 = 1 [L327] init__r343 = (_Bool)init__tmp___19 [L328] COND TRUE !(init__r412 == 0) [L330] init__tmp___20 = 1 [L332] init__r413 = (_Bool)init__tmp___20 [L333] COND TRUE !(init__r422 == 0) [L335] init__tmp___21 = 1 [L337] init__r423 = (_Bool)init__tmp___21 [L338] COND TRUE !(init__r432 == 0) [L340] init__tmp___22 = 1 [L342] init__r433 = (_Bool)init__tmp___22 [L343] COND TRUE ((int)id1) != ((int)id2) [L345] COND TRUE ((int)id1) != ((int)id3) [L347] COND TRUE ((int)id1) != ((int)id4) [L349] COND TRUE ((int)id2) != ((int)id3) [L351] COND TRUE ((int)id2) != ((int)id4) [L353] COND TRUE ((int)id3) != ((int)id4) [L355] COND TRUE ((int)id1) >= 0 [L357] COND TRUE ((int)id2) >= 0 [L359] COND TRUE ((int)id3) >= 0 [L361] COND TRUE ((int)id4) >= 0 [L363] COND TRUE ((int)r1) == 0 [L365] COND TRUE ((int)r2) == 0 [L367] COND TRUE ((int)r3) == 0 [L369] COND TRUE ((int)r4) == 0 [L371] COND TRUE !(init__r123 == 0) [L373] COND TRUE !(init__r133 == 0) [L375] COND TRUE !(init__r143 == 0) [L377] COND TRUE !(init__r213 == 0) [L379] COND TRUE !(init__r233 == 0) [L381] COND TRUE !(init__r243 == 0) [L383] COND TRUE !(init__r313 == 0) [L385] COND TRUE !(init__r323 == 0) [L387] COND TRUE !(init__r343 == 0) [L389] COND TRUE !(init__r413 == 0) [L391] COND TRUE !(init__r423 == 0) [L393] COND TRUE !(init__r433 == 0) [L395] COND TRUE ((int)max1) == ((int)id1) [L397] COND TRUE ((int)max2) == ((int)id2) [L399] COND TRUE ((int)max3) == ((int)id3) [L401] COND TRUE ((int)max4) == ((int)id4) [L403] COND TRUE ((int)st1) == 0 [L405] COND TRUE ((int)st2) == 0 [L407] COND TRUE ((int)st3) == 0 [L409] COND TRUE ((int)st4) == 0 [L411] COND TRUE ((int)nl1) == 0 [L413] COND TRUE ((int)nl2) == 0 [L415] COND TRUE ((int)nl3) == 0 [L417] COND TRUE ((int)nl4) == 0 [L419] COND TRUE ((int)mode1) == 0 [L421] COND TRUE ((int)mode2) == 0 [L423] COND TRUE ((int)mode3) == 0 [L425] COND TRUE ((int)mode4) == 0 [L427] init__tmp___23 = 1 [L428] __return_2829 = init__tmp___23 [L429] main__i2 = __return_2829 [L430] COND TRUE main__i2 != 0 [L432] p12_old = nomsg [L433] p12_new = nomsg [L434] p13_old = nomsg [L435] p13_new = nomsg [L436] p14_old = nomsg [L437] p14_new = nomsg [L438] p21_old = nomsg [L439] p21_new = nomsg [L440] p23_old = nomsg [L441] p23_new = nomsg [L442] p24_old = nomsg [L443] p24_new = nomsg [L444] p31_old = nomsg [L445] p31_new = nomsg [L446] p32_old = nomsg [L447] p32_new = nomsg [L448] p34_old = nomsg [L449] p34_new = nomsg [L450] p41_old = nomsg [L451] p41_new = nomsg [L452] p42_old = nomsg [L453] p42_new = nomsg [L454] p43_old = nomsg [L455] p43_new = nomsg [L456] main__i2 = 0 [L458] COND FALSE !(!(mode1 == 0)) [L464] COND TRUE ((int)r1) < 3 [L466] COND FALSE !(!(ep12 == 0)) [L477] COND FALSE !(!(ep13 == 0)) [L488] COND FALSE !(!(ep14 == 0)) [L499] mode1 = 1 [L501] COND FALSE !(!(mode2 == 0)) [L507] COND TRUE ((int)r2) < 3 [L509] COND FALSE !(!(ep21 == 0)) [L520] COND FALSE !(!(ep23 == 0)) [L531] COND FALSE !(!(ep24 == 0)) [L542] mode2 = 1 [L544] COND FALSE !(!(mode3 == 0)) [L550] COND TRUE ((int)r3) < 3 [L552] COND FALSE !(!(ep31 == 0)) [L563] COND FALSE !(!(ep32 == 0)) [L574] COND FALSE !(!(ep34 == 0)) [L585] mode3 = 1 [L587] COND FALSE !(!(mode4 == 0)) [L593] COND TRUE ((int)r4) < 3 [L595] COND FALSE !(!(ep41 == 0)) [L606] COND FALSE !(!(ep42 == 0)) [L617] COND FALSE !(!(ep43 == 0)) [L628] mode4 = 1 [L629] p12_old = p12_new [L630] p12_new = nomsg [L631] p13_old = p13_new [L632] p13_new = nomsg [L633] p14_old = p14_new [L634] p14_new = nomsg [L635] p21_old = p21_new [L636] p21_new = nomsg [L637] p23_old = p23_new [L638] p23_new = nomsg [L639] p24_old = p24_new [L640] p24_new = nomsg [L641] p31_old = p31_new [L642] p31_new = nomsg [L643] p32_old = p32_new [L644] p32_new = nomsg [L645] p34_old = p34_new [L646] p34_new = nomsg [L647] p41_old = p41_new [L648] p41_new = nomsg [L649] p42_old = p42_new [L650] p42_new = nomsg [L651] p43_old = p43_new [L652] p43_new = nomsg [L654] int check__tmp; [L655] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L657] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L659] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L661] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L663] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L665] COND FALSE !(((int)r1) >= 3) [L671] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L673] COND TRUE ((int)r1) < 3 [L675] COND FALSE !(((int)r1) >= 3) [L681] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L683] COND TRUE ((int)r1) < 3 [L685] check__tmp = 1 [L686] __return_3039 = check__tmp [L687] main__c1 = __return_3039 [L689] _Bool __tmp_1; [L690] __tmp_1 = main__c1 [L691] _Bool assert__arg; [L692] assert__arg = __tmp_1 [L693] COND FALSE !(assert__arg == 0) [L700] COND TRUE !(mode1 == 0) [L702] COND FALSE !(r1 == 255) [L708] r1 = r1 + 1 [L709] COND FALSE !(!(ep21 == 0)) [L717] COND FALSE !(!(ep31 == 0)) [L725] COND FALSE !(!(ep41 == 0)) [L733] COND FALSE !(((int)r1) == 2) [L739] mode1 = 0 [L741] COND TRUE !(mode2 == 0) [L743] COND FALSE !(r2 == 255) [L749] r2 = r2 + 1 [L750] COND FALSE !(!(ep12 == 0)) [L758] COND FALSE !(!(ep32 == 0)) [L766] COND FALSE !(!(ep42 == 0)) [L774] COND FALSE !(((int)r2) == 3) [L780] mode2 = 0 [L782] COND TRUE !(mode3 == 0) [L784] COND FALSE !(r3 == 255) [L790] r3 = r3 + 1 [L791] COND FALSE !(!(ep13 == 0)) [L799] COND FALSE !(!(ep23 == 0)) [L807] COND FALSE !(!(ep43 == 0)) [L815] COND FALSE !(((int)r3) == 3) [L821] mode3 = 0 [L823] COND TRUE !(mode4 == 0) [L825] COND FALSE !(r4 == 255) [L831] r4 = r4 + 1 [L832] COND FALSE !(!(ep14 == 0)) [L840] COND FALSE !(!(ep24 == 0)) [L848] COND FALSE !(!(ep34 == 0)) [L856] COND FALSE !(((int)r4) == 3) [L862] mode4 = 0 [L863] p12_old = p12_new [L864] p12_new = nomsg [L865] p13_old = p13_new [L866] p13_new = nomsg [L867] p14_old = p14_new [L868] p14_new = nomsg [L869] p21_old = p21_new [L870] p21_new = nomsg [L871] p23_old = p23_new [L872] p23_new = nomsg [L873] p24_old = p24_new [L874] p24_new = nomsg [L875] p31_old = p31_new [L876] p31_new = nomsg [L877] p32_old = p32_new [L878] p32_new = nomsg [L879] p34_old = p34_new [L880] p34_new = nomsg [L881] p41_old = p41_new [L882] p41_new = nomsg [L883] p42_old = p42_new [L884] p42_new = nomsg [L885] p43_old = p43_new [L886] p43_new = nomsg [L888] int check__tmp; [L889] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L891] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L893] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L895] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L897] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L899] COND FALSE !(((int)r1) >= 3) [L905] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L907] COND TRUE ((int)r1) < 3 [L909] COND FALSE !(((int)r1) >= 3) [L915] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L917] COND TRUE ((int)r1) < 3 [L919] check__tmp = 1 [L920] __return_3223 = check__tmp [L921] main__c1 = __return_3223 [L923] _Bool __tmp_2; [L924] __tmp_2 = main__c1 [L925] _Bool assert__arg; [L926] assert__arg = __tmp_2 [L927] COND FALSE !(assert__arg == 0) [L934] COND FALSE !(!(mode1 == 0)) [L940] COND TRUE ((int)r1) < 3 [L942] COND FALSE !(!(ep12 == 0)) [L953] COND FALSE !(!(ep13 == 0)) [L964] COND FALSE !(!(ep14 == 0)) [L975] mode1 = 1 [L977] COND FALSE !(!(mode2 == 0)) [L983] COND TRUE ((int)r2) < 3 [L985] COND FALSE !(!(ep21 == 0)) [L996] COND FALSE !(!(ep23 == 0)) [L1007] COND FALSE !(!(ep24 == 0)) [L1018] mode2 = 1 [L1020] COND FALSE !(!(mode3 == 0)) [L1026] COND TRUE ((int)r3) < 3 [L1028] COND FALSE !(!(ep31 == 0)) [L1039] COND FALSE !(!(ep32 == 0)) [L1050] COND FALSE !(!(ep34 == 0)) [L1061] mode3 = 1 [L1063] COND FALSE !(!(mode4 == 0)) [L1069] COND TRUE ((int)r4) < 3 [L1071] COND FALSE !(!(ep41 == 0)) [L1082] COND FALSE !(!(ep42 == 0)) [L1093] COND FALSE !(!(ep43 == 0)) [L1104] mode4 = 1 [L1105] p12_old = p12_new [L1106] p12_new = nomsg [L1107] p13_old = p13_new [L1108] p13_new = nomsg [L1109] p14_old = p14_new [L1110] p14_new = nomsg [L1111] p21_old = p21_new [L1112] p21_new = nomsg [L1113] p23_old = p23_new [L1114] p23_new = nomsg [L1115] p24_old = p24_new [L1116] p24_new = nomsg [L1117] p31_old = p31_new [L1118] p31_new = nomsg [L1119] p32_old = p32_new [L1120] p32_new = nomsg [L1121] p34_old = p34_new [L1122] p34_new = nomsg [L1123] p41_old = p41_new [L1124] p41_new = nomsg [L1125] p42_old = p42_new [L1126] p42_new = nomsg [L1127] p43_old = p43_new [L1128] p43_new = nomsg [L1130] int check__tmp; [L1131] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1133] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1135] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1137] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1139] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1141] COND FALSE !(((int)r1) >= 3) [L1147] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1149] COND TRUE ((int)r1) < 3 [L1151] COND FALSE !(((int)r1) >= 3) [L1157] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1159] COND TRUE ((int)r1) < 3 [L1161] check__tmp = 1 [L1162] __return_3411 = check__tmp [L1163] main__c1 = __return_3411 [L1165] _Bool __tmp_3; [L1166] __tmp_3 = main__c1 [L1167] _Bool assert__arg; [L1168] assert__arg = __tmp_3 [L1169] COND FALSE !(assert__arg == 0) [L1176] COND TRUE !(mode1 == 0) [L1178] COND FALSE !(r1 == 255) [L1184] r1 = r1 + 1 [L1185] COND FALSE !(!(ep21 == 0)) [L1193] COND FALSE !(!(ep31 == 0)) [L1201] COND FALSE !(!(ep41 == 0)) [L1209] COND TRUE ((int)r1) == 2 [L1211] COND FALSE !(((int)max1) == ((int)id1)) [L1549] nl1 = 1 [L1550] mode1 = 0 [L1552] COND TRUE !(mode2 == 0) [L1554] COND FALSE !(r2 == 255) [L1560] r2 = r2 + 1 [L1561] COND FALSE !(!(ep12 == 0)) [L1569] COND FALSE !(!(ep32 == 0)) [L1577] COND FALSE !(!(ep42 == 0)) [L1585] COND FALSE !(((int)r2) == 3) [L1591] mode2 = 0 [L1593] COND TRUE !(mode3 == 0) [L1595] COND FALSE !(r3 == 255) [L1601] r3 = r3 + 1 [L1602] COND FALSE !(!(ep13 == 0)) [L1610] COND FALSE !(!(ep23 == 0)) [L1618] COND FALSE !(!(ep43 == 0)) [L1626] COND FALSE !(((int)r3) == 3) [L1632] mode3 = 0 [L1634] COND TRUE !(mode4 == 0) [L1636] COND FALSE !(r4 == 255) [L1642] r4 = r4 + 1 [L1643] COND FALSE !(!(ep14 == 0)) [L1651] COND FALSE !(!(ep24 == 0)) [L1659] COND FALSE !(!(ep34 == 0)) [L1667] COND FALSE !(((int)r4) == 3) [L1673] mode4 = 0 [L1674] p12_old = p12_new [L1675] p12_new = nomsg [L1676] p13_old = p13_new [L1677] p13_new = nomsg [L1678] p14_old = p14_new [L1679] p14_new = nomsg [L1680] p21_old = p21_new [L1681] p21_new = nomsg [L1682] p23_old = p23_new [L1683] p23_new = nomsg [L1684] p24_old = p24_new [L1685] p24_new = nomsg [L1686] p31_old = p31_new [L1687] p31_new = nomsg [L1688] p32_old = p32_new [L1689] p32_new = nomsg [L1690] p34_old = p34_new [L1691] p34_new = nomsg [L1692] p41_old = p41_new [L1693] p41_new = nomsg [L1694] p42_old = p42_new [L1695] p42_new = nomsg [L1696] p43_old = p43_new [L1697] p43_new = nomsg [L1699] int check__tmp; [L1700] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1702] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1704] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1706] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1708] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1710] COND FALSE !(((int)r1) >= 3) [L1716] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1718] COND TRUE ((int)r1) < 3 [L1720] COND FALSE !(((int)r1) >= 3) [L1726] COND FALSE !((((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0) [L1732] check__tmp = 0 [L1733] __return_3596 = check__tmp [L1734] main__c1 = __return_3596 [L1737] _Bool __tmp_5; [L1738] __tmp_5 = main__c1 [L1739] _Bool assert__arg; [L1740] assert__arg = __tmp_5 [L1741] COND TRUE assert__arg == 0 [L1743] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...