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+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:11:26,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:11:26,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:11:26,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:11:26,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:11:26,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:11:26,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:11:26,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:11:26,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:11:26,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:11:26,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:11:26,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:11:26,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:11:26,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:11:26,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:11:26,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:11:26,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:11:26,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:11:26,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:11:26,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:11:26,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:11:26,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:11:26,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:11:26,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:11:26,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:11:26,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:11:26,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:11:26,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:11:26,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:11:26,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:11:26,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:11:26,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:11:26,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:11:26,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:11:26,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:11:26,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:11:26,562 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 17:11:26,577 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:11:26,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:11:26,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:11:26,578 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:11:26,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:11:26,578 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:11:26,579 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:11:26,579 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:11:26,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:11:26,579 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:11:26,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:11:26,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:11:26,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:11:26,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:11:26,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:11:26,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:11:26,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:11:26,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:11:26,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:11:26,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:11:26,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:11:26,582 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:11:26,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:11:26,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:11:26,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:11:26,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:11:26,583 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:11:26,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:11:26,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:11:26,584 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:11:26,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:11:26,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:11:26,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:11:26,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:11:26,632 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:11:26,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:26,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fb4e1d8/d1a8d1655c914c23bd64fd6674ac30a1/FLAG6bf031ced [2019-09-11 17:11:27,351 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:11:27,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:27,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fb4e1d8/d1a8d1655c914c23bd64fd6674ac30a1/FLAG6bf031ced [2019-09-11 17:11:27,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fb4e1d8/d1a8d1655c914c23bd64fd6674ac30a1 [2019-09-11 17:11:27,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:11:27,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:11:27,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:27,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:11:27,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:11:27,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:27,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b46dfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:27, skipping insertion in model container [2019-09-11 17:11:27,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:27" (1/1) ... [2019-09-11 17:11:27,577 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:11:27,694 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:11:28,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:28,495 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:11:28,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:28,967 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:11:28,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28 WrapperNode [2019-09-11 17:11:28,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:28,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:11:28,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:11:28,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:11:28,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:28,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:29,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:29,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:29,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:29,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:29,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:29,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:11:29,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:11:29,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:11:29,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:11:29,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:28" (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 17:11:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:11:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:11:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:11:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:11:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:11:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:11:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:11:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:11:29,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:11:29,218 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:11:29,218 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:11:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:11:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:11:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:11:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:11:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:11:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:11:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:11:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:11:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:11:31,579 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:11:31,579 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:11:31,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:31 BoogieIcfgContainer [2019-09-11 17:11:31,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:11:31,582 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:11:31,582 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:11:31,582 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:11:31,583 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:31" (1/1) ... [2019-09-11 17:11:31,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:11:31,842 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:12:00,083 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:12:00,184 INFO L272 AbstractInterpreter]: Visited 1024 different actions 46956 times. Merged at 668 different actions 25349 times. Widened at 220 different actions 3007 times. Performed 136056 root evaluator evaluations with a maximum evaluation depth of 6. Performed 136056 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 13365 fixpoints after 473 different actions. Largest state had 333 variables. [2019-09-11 17:12:00,185 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:12:00,187 INFO L168 Benchmark]: Toolchain (without parser) took 32632.47 ms. Allocated memory was 142.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 87.1 MB in the beginning and 747.9 MB in the end (delta: -660.7 MB). Peak memory consumption was 591.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,189 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1414.07 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 86.9 MB in the beginning and 150.1 MB in the end (delta: -63.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,191 INFO L168 Benchmark]: Boogie Preprocessor took 163.14 ms. Allocated memory is still 202.4 MB. Free memory was 150.1 MB in the beginning and 143.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,194 INFO L168 Benchmark]: RCFGBuilder took 2448.58 ms. Allocated memory was 202.4 MB in the beginning and 257.4 MB in the end (delta: 55.1 MB). Free memory was 143.5 MB in the beginning and 160.8 MB in the end (delta: -17.3 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,195 INFO L168 Benchmark]: Abstract Interpretation took 28602.72 ms. Allocated memory was 257.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 160.8 MB in the beginning and 747.9 MB in the end (delta: -587.1 MB). Peak memory consumption was 550.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:00,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1414.07 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 86.9 MB in the beginning and 150.1 MB in the end (delta: -63.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.14 ms. Allocated memory is still 202.4 MB. Free memory was 150.1 MB in the beginning and 143.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2448.58 ms. Allocated memory was 202.4 MB in the beginning and 257.4 MB in the end (delta: 55.1 MB). Free memory was 143.5 MB in the beginning and 160.8 MB in the end (delta: -17.3 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 28602.72 ms. Allocated memory was 257.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 160.8 MB in the beginning and 747.9 MB in the end (delta: -587.1 MB). Peak memory consumption was 550.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1408]: 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_3596; [L102] int __return_3773; [L105] int main__c1; [L106] int main__i2; [L107] main__c1 = 0 [L108] ep12 = __VERIFIER_nondet_bool() [L109] ep13 = __VERIFIER_nondet_bool() [L110] ep14 = __VERIFIER_nondet_bool() [L111] ep21 = __VERIFIER_nondet_bool() [L112] ep23 = __VERIFIER_nondet_bool() [L113] ep24 = __VERIFIER_nondet_bool() [L114] ep31 = __VERIFIER_nondet_bool() [L115] ep32 = __VERIFIER_nondet_bool() [L116] ep34 = __VERIFIER_nondet_bool() [L117] ep41 = __VERIFIER_nondet_bool() [L118] ep42 = __VERIFIER_nondet_bool() [L119] ep43 = __VERIFIER_nondet_bool() [L120] id1 = __VERIFIER_nondet_char() [L121] r1 = __VERIFIER_nondet_uchar() [L122] st1 = __VERIFIER_nondet_char() [L123] nl1 = __VERIFIER_nondet_char() [L124] m1 = __VERIFIER_nondet_char() [L125] max1 = __VERIFIER_nondet_char() [L126] mode1 = __VERIFIER_nondet_bool() [L127] id2 = __VERIFIER_nondet_char() [L128] r2 = __VERIFIER_nondet_uchar() [L129] st2 = __VERIFIER_nondet_char() [L130] nl2 = __VERIFIER_nondet_char() [L131] m2 = __VERIFIER_nondet_char() [L132] max2 = __VERIFIER_nondet_char() [L133] mode2 = __VERIFIER_nondet_bool() [L134] id3 = __VERIFIER_nondet_char() [L135] r3 = __VERIFIER_nondet_uchar() [L136] st3 = __VERIFIER_nondet_char() [L137] nl3 = __VERIFIER_nondet_char() [L138] m3 = __VERIFIER_nondet_char() [L139] max3 = __VERIFIER_nondet_char() [L140] mode3 = __VERIFIER_nondet_bool() [L141] id4 = __VERIFIER_nondet_char() [L142] r4 = __VERIFIER_nondet_uchar() [L143] st4 = __VERIFIER_nondet_char() [L144] nl4 = __VERIFIER_nondet_char() [L145] m4 = __VERIFIER_nondet_char() [L146] max4 = __VERIFIER_nondet_char() [L147] mode4 = __VERIFIER_nondet_bool() [L149] _Bool init__r121; [L150] _Bool init__r131; [L151] _Bool init__r141; [L152] _Bool init__r211; [L153] _Bool init__r231; [L154] _Bool init__r241; [L155] _Bool init__r311; [L156] _Bool init__r321; [L157] _Bool init__r341; [L158] _Bool init__r411; [L159] _Bool init__r421; [L160] _Bool init__r431; [L161] _Bool init__r122; [L162] int init__tmp; [L163] _Bool init__r132; [L164] int init__tmp___0; [L165] _Bool init__r142; [L166] int init__tmp___1; [L167] _Bool init__r212; [L168] int init__tmp___2; [L169] _Bool init__r232; [L170] int init__tmp___3; [L171] _Bool init__r242; [L172] int init__tmp___4; [L173] _Bool init__r312; [L174] int init__tmp___5; [L175] _Bool init__r322; [L176] int init__tmp___6; [L177] _Bool init__r342; [L178] int init__tmp___7; [L179] _Bool init__r412; [L180] int init__tmp___8; [L181] _Bool init__r422; [L182] int init__tmp___9; [L183] _Bool init__r432; [L184] int init__tmp___10; [L185] _Bool init__r123; [L186] int init__tmp___11; [L187] _Bool init__r133; [L188] int init__tmp___12; [L189] _Bool init__r143; [L190] int init__tmp___13; [L191] _Bool init__r213; [L192] int init__tmp___14; [L193] _Bool init__r233; [L194] int init__tmp___15; [L195] _Bool init__r243; [L196] int init__tmp___16; [L197] _Bool init__r313; [L198] int init__tmp___17; [L199] _Bool init__r323; [L200] int init__tmp___18; [L201] _Bool init__r343; [L202] int init__tmp___19; [L203] _Bool init__r413; [L204] int init__tmp___20; [L205] _Bool init__r423; [L206] int init__tmp___21; [L207] _Bool init__r433; [L208] int init__tmp___22; [L209] int init__tmp___23; [L210] init__r121 = ep12 [L211] init__r131 = ep13 [L212] init__r141 = ep14 [L213] init__r211 = ep21 [L214] init__r231 = ep23 [L215] init__r241 = ep24 [L216] init__r311 = ep31 [L217] init__r321 = ep32 [L218] init__r341 = ep34 [L219] init__r411 = ep41 [L220] init__r421 = ep42 [L221] init__r431 = ep43 [L222] COND TRUE !(init__r121 == 0) [L224] init__tmp = 1 [L226] init__r122 = (_Bool)init__tmp [L227] COND TRUE !(init__r131 == 0) [L229] init__tmp___0 = 1 [L231] init__r132 = (_Bool)init__tmp___0 [L232] COND TRUE !(init__r141 == 0) [L234] init__tmp___1 = 1 [L236] init__r142 = (_Bool)init__tmp___1 [L237] COND TRUE !(init__r211 == 0) [L239] init__tmp___2 = 1 [L241] init__r212 = (_Bool)init__tmp___2 [L242] COND TRUE !(init__r231 == 0) [L244] init__tmp___3 = 1 [L246] init__r232 = (_Bool)init__tmp___3 [L247] COND TRUE !(init__r241 == 0) [L249] init__tmp___4 = 1 [L251] init__r242 = (_Bool)init__tmp___4 [L252] COND TRUE !(init__r311 == 0) [L254] init__tmp___5 = 1 [L256] init__r312 = (_Bool)init__tmp___5 [L257] COND TRUE !(init__r321 == 0) [L259] init__tmp___6 = 1 [L261] init__r322 = (_Bool)init__tmp___6 [L262] COND TRUE !(init__r341 == 0) [L264] init__tmp___7 = 1 [L266] init__r342 = (_Bool)init__tmp___7 [L267] COND TRUE !(init__r411 == 0) [L269] init__tmp___8 = 1 [L271] init__r412 = (_Bool)init__tmp___8 [L272] COND TRUE !(init__r421 == 0) [L274] init__tmp___9 = 1 [L276] init__r422 = (_Bool)init__tmp___9 [L277] COND TRUE !(init__r431 == 0) [L279] init__tmp___10 = 1 [L281] init__r432 = (_Bool)init__tmp___10 [L282] COND TRUE !(init__r122 == 0) [L284] init__tmp___11 = 1 [L286] init__r123 = (_Bool)init__tmp___11 [L287] COND TRUE !(init__r132 == 0) [L289] init__tmp___12 = 1 [L291] init__r133 = (_Bool)init__tmp___12 [L292] COND TRUE !(init__r142 == 0) [L294] init__tmp___13 = 1 [L296] init__r143 = (_Bool)init__tmp___13 [L297] COND TRUE !(init__r212 == 0) [L299] init__tmp___14 = 1 [L301] init__r213 = (_Bool)init__tmp___14 [L302] COND TRUE !(init__r232 == 0) [L304] init__tmp___15 = 1 [L306] init__r233 = (_Bool)init__tmp___15 [L307] COND TRUE !(init__r242 == 0) [L309] init__tmp___16 = 1 [L311] init__r243 = (_Bool)init__tmp___16 [L312] COND TRUE !(init__r312 == 0) [L314] init__tmp___17 = 1 [L316] init__r313 = (_Bool)init__tmp___17 [L317] COND TRUE !(init__r322 == 0) [L319] init__tmp___18 = 1 [L321] init__r323 = (_Bool)init__tmp___18 [L322] COND TRUE !(init__r342 == 0) [L324] init__tmp___19 = 1 [L326] init__r343 = (_Bool)init__tmp___19 [L327] COND TRUE !(init__r412 == 0) [L329] init__tmp___20 = 1 [L331] init__r413 = (_Bool)init__tmp___20 [L332] COND TRUE !(init__r422 == 0) [L334] init__tmp___21 = 1 [L336] init__r423 = (_Bool)init__tmp___21 [L337] COND TRUE !(init__r432 == 0) [L339] init__tmp___22 = 1 [L341] init__r433 = (_Bool)init__tmp___22 [L342] COND TRUE ((int)id1) != ((int)id2) [L344] COND TRUE ((int)id1) != ((int)id3) [L346] COND TRUE ((int)id1) != ((int)id4) [L348] COND TRUE ((int)id2) != ((int)id3) [L350] COND TRUE ((int)id2) != ((int)id4) [L352] COND TRUE ((int)id3) != ((int)id4) [L354] COND TRUE ((int)id1) >= 0 [L356] COND TRUE ((int)id2) >= 0 [L358] COND TRUE ((int)id3) >= 0 [L360] COND TRUE ((int)id4) >= 0 [L362] COND TRUE ((int)r1) == 0 [L364] COND TRUE ((int)r2) == 0 [L366] COND TRUE ((int)r3) == 0 [L368] COND TRUE ((int)r4) == 0 [L370] COND TRUE !(init__r123 == 0) [L372] COND TRUE !(init__r133 == 0) [L374] COND TRUE !(init__r143 == 0) [L376] COND TRUE !(init__r213 == 0) [L378] COND TRUE !(init__r233 == 0) [L380] COND TRUE !(init__r243 == 0) [L382] COND TRUE !(init__r313 == 0) [L384] COND TRUE !(init__r323 == 0) [L386] COND TRUE !(init__r343 == 0) [L388] COND TRUE !(init__r413 == 0) [L390] COND TRUE !(init__r423 == 0) [L392] COND TRUE !(init__r433 == 0) [L394] COND TRUE ((int)max1) == ((int)id1) [L396] COND TRUE ((int)max2) == ((int)id2) [L398] COND TRUE ((int)max3) == ((int)id3) [L400] COND TRUE ((int)max4) == ((int)id4) [L402] COND TRUE ((int)st1) == 0 [L404] COND TRUE ((int)st2) == 0 [L406] COND TRUE ((int)st3) == 0 [L408] COND TRUE ((int)st4) == 0 [L410] COND TRUE ((int)nl1) == 0 [L412] COND TRUE ((int)nl2) == 0 [L414] COND TRUE ((int)nl3) == 0 [L416] COND TRUE ((int)nl4) == 0 [L418] COND TRUE ((int)mode1) == 0 [L420] COND TRUE ((int)mode2) == 0 [L422] COND TRUE ((int)mode3) == 0 [L424] COND TRUE ((int)mode4) == 0 [L426] init__tmp___23 = 1 [L427] __return_2829 = init__tmp___23 [L428] main__i2 = __return_2829 [L429] COND TRUE main__i2 != 0 [L431] p12_old = nomsg [L432] p12_new = nomsg [L433] p13_old = nomsg [L434] p13_new = nomsg [L435] p14_old = nomsg [L436] p14_new = nomsg [L437] p21_old = nomsg [L438] p21_new = nomsg [L439] p23_old = nomsg [L440] p23_new = nomsg [L441] p24_old = nomsg [L442] p24_new = nomsg [L443] p31_old = nomsg [L444] p31_new = nomsg [L445] p32_old = nomsg [L446] p32_new = nomsg [L447] p34_old = nomsg [L448] p34_new = nomsg [L449] p41_old = nomsg [L450] p41_new = nomsg [L451] p42_old = nomsg [L452] p42_new = nomsg [L453] p43_old = nomsg [L454] p43_new = nomsg [L455] main__i2 = 0 [L457] COND FALSE !(!(mode1 == 0)) [L463] COND TRUE ((int)r1) < 3 [L465] COND FALSE !(!(ep12 == 0)) [L476] COND FALSE !(!(ep13 == 0)) [L487] COND FALSE !(!(ep14 == 0)) [L498] mode1 = 1 [L500] COND FALSE !(!(mode2 == 0)) [L506] COND TRUE ((int)r2) < 3 [L508] COND FALSE !(!(ep21 == 0)) [L519] COND FALSE !(!(ep23 == 0)) [L530] COND FALSE !(!(ep24 == 0)) [L541] mode2 = 1 [L543] COND FALSE !(!(mode3 == 0)) [L549] COND TRUE ((int)r3) < 3 [L551] COND FALSE !(!(ep31 == 0)) [L562] COND FALSE !(!(ep32 == 0)) [L573] COND FALSE !(!(ep34 == 0)) [L584] mode3 = 1 [L586] COND FALSE !(!(mode4 == 0)) [L592] COND TRUE ((int)r4) < 3 [L594] COND FALSE !(!(ep41 == 0)) [L605] COND FALSE !(!(ep42 == 0)) [L616] COND FALSE !(!(ep43 == 0)) [L627] mode4 = 1 [L628] p12_old = p12_new [L629] p12_new = nomsg [L630] p13_old = p13_new [L631] p13_new = nomsg [L632] p14_old = p14_new [L633] p14_new = nomsg [L634] p21_old = p21_new [L635] p21_new = nomsg [L636] p23_old = p23_new [L637] p23_new = nomsg [L638] p24_old = p24_new [L639] p24_new = nomsg [L640] p31_old = p31_new [L641] p31_new = nomsg [L642] p32_old = p32_new [L643] p32_new = nomsg [L644] p34_old = p34_new [L645] p34_new = nomsg [L646] p41_old = p41_new [L647] p41_new = nomsg [L648] p42_old = p42_new [L649] p42_new = nomsg [L650] p43_old = p43_new [L651] p43_new = nomsg [L653] int check__tmp; [L654] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L656] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L658] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L660] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L662] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L664] COND FALSE !(((int)r1) >= 3) [L670] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L672] COND TRUE ((int)r1) < 3 [L674] COND FALSE !(((int)r1) >= 3) [L680] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L682] COND TRUE ((int)r1) < 3 [L684] check__tmp = 1 [L685] __return_3039 = check__tmp [L686] main__c1 = __return_3039 [L688] _Bool __tmp_1; [L689] __tmp_1 = main__c1 [L690] _Bool assert__arg; [L691] assert__arg = __tmp_1 [L692] COND FALSE !(assert__arg == 0) [L699] COND TRUE !(mode1 == 0) [L701] COND FALSE !(r1 == 255) [L707] r1 = r1 + 1 [L708] COND FALSE !(!(ep21 == 0)) [L716] COND FALSE !(!(ep31 == 0)) [L724] COND FALSE !(!(ep41 == 0)) [L732] COND FALSE !(((int)r1) == 2) [L738] mode1 = 0 [L740] COND TRUE !(mode2 == 0) [L742] COND FALSE !(r2 == 255) [L748] r2 = r2 + 1 [L749] COND FALSE !(!(ep12 == 0)) [L757] COND FALSE !(!(ep32 == 0)) [L765] COND FALSE !(!(ep42 == 0)) [L773] COND FALSE !(((int)r2) == 3) [L779] mode2 = 0 [L781] COND TRUE !(mode3 == 0) [L783] COND FALSE !(r3 == 255) [L789] r3 = r3 + 1 [L790] COND FALSE !(!(ep13 == 0)) [L798] COND FALSE !(!(ep23 == 0)) [L806] COND FALSE !(!(ep43 == 0)) [L814] COND FALSE !(((int)r3) == 3) [L820] mode3 = 0 [L822] COND TRUE !(mode4 == 0) [L824] COND FALSE !(r4 == 255) [L830] r4 = r4 + 1 [L831] COND FALSE !(!(ep14 == 0)) [L839] COND FALSE !(!(ep24 == 0)) [L847] COND FALSE !(!(ep34 == 0)) [L855] COND FALSE !(((int)r4) == 3) [L861] mode4 = 0 [L862] p12_old = p12_new [L863] p12_new = nomsg [L864] p13_old = p13_new [L865] p13_new = nomsg [L866] p14_old = p14_new [L867] p14_new = nomsg [L868] p21_old = p21_new [L869] p21_new = nomsg [L870] p23_old = p23_new [L871] p23_new = nomsg [L872] p24_old = p24_new [L873] p24_new = nomsg [L874] p31_old = p31_new [L875] p31_new = nomsg [L876] p32_old = p32_new [L877] p32_new = nomsg [L878] p34_old = p34_new [L879] p34_new = nomsg [L880] p41_old = p41_new [L881] p41_new = nomsg [L882] p42_old = p42_new [L883] p42_new = nomsg [L884] p43_old = p43_new [L885] p43_new = nomsg [L887] int check__tmp; [L888] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L890] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L892] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L894] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L896] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L898] COND FALSE !(((int)r1) >= 3) [L904] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L906] COND TRUE ((int)r1) < 3 [L908] COND FALSE !(((int)r1) >= 3) [L914] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L916] COND TRUE ((int)r1) < 3 [L918] check__tmp = 1 [L919] __return_3223 = check__tmp [L920] main__c1 = __return_3223 [L922] _Bool __tmp_2; [L923] __tmp_2 = main__c1 [L924] _Bool assert__arg; [L925] assert__arg = __tmp_2 [L926] COND FALSE !(assert__arg == 0) [L933] COND FALSE !(!(mode1 == 0)) [L939] COND TRUE ((int)r1) < 3 [L941] COND FALSE !(!(ep12 == 0)) [L952] COND FALSE !(!(ep13 == 0)) [L963] COND FALSE !(!(ep14 == 0)) [L974] mode1 = 1 [L976] COND FALSE !(!(mode2 == 0)) [L982] COND TRUE ((int)r2) < 3 [L984] COND FALSE !(!(ep21 == 0)) [L995] COND FALSE !(!(ep23 == 0)) [L1006] COND FALSE !(!(ep24 == 0)) [L1017] mode2 = 1 [L1019] COND FALSE !(!(mode3 == 0)) [L1025] COND TRUE ((int)r3) < 3 [L1027] COND FALSE !(!(ep31 == 0)) [L1038] COND FALSE !(!(ep32 == 0)) [L1049] COND FALSE !(!(ep34 == 0)) [L1060] mode3 = 1 [L1062] COND FALSE !(!(mode4 == 0)) [L1068] COND TRUE ((int)r4) < 3 [L1070] COND FALSE !(!(ep41 == 0)) [L1081] COND FALSE !(!(ep42 == 0)) [L1092] COND FALSE !(!(ep43 == 0)) [L1103] mode4 = 1 [L1104] p12_old = p12_new [L1105] p12_new = nomsg [L1106] p13_old = p13_new [L1107] p13_new = nomsg [L1108] p14_old = p14_new [L1109] p14_new = nomsg [L1110] p21_old = p21_new [L1111] p21_new = nomsg [L1112] p23_old = p23_new [L1113] p23_new = nomsg [L1114] p24_old = p24_new [L1115] p24_new = nomsg [L1116] p31_old = p31_new [L1117] p31_new = nomsg [L1118] p32_old = p32_new [L1119] p32_new = nomsg [L1120] p34_old = p34_new [L1121] p34_new = nomsg [L1122] p41_old = p41_new [L1123] p41_new = nomsg [L1124] p42_old = p42_new [L1125] p42_new = nomsg [L1126] p43_old = p43_new [L1127] p43_new = nomsg [L1129] int check__tmp; [L1130] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1132] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1134] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1136] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1138] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1140] COND FALSE !(((int)r1) >= 3) [L1146] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1148] COND TRUE ((int)r1) < 3 [L1150] COND FALSE !(((int)r1) >= 3) [L1156] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1158] COND TRUE ((int)r1) < 3 [L1160] check__tmp = 1 [L1161] __return_3411 = check__tmp [L1162] main__c1 = __return_3411 [L1164] _Bool __tmp_3; [L1165] __tmp_3 = main__c1 [L1166] _Bool assert__arg; [L1167] assert__arg = __tmp_3 [L1168] COND FALSE !(assert__arg == 0) [L1175] COND TRUE !(mode1 == 0) [L1177] COND FALSE !(r1 == 255) [L1183] r1 = r1 + 1 [L1184] COND FALSE !(!(ep21 == 0)) [L1192] COND FALSE !(!(ep31 == 0)) [L1200] COND FALSE !(!(ep41 == 0)) [L1208] COND TRUE ((int)r1) == 2 [L1210] COND TRUE ((int)max1) == ((int)id1) [L1212] 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) [L2305] check__tmp = 0 [L1398] __return_3596 = check__tmp [L1399] main__c1 = __return_3596 [L1402] _Bool __tmp_4; [L1403] __tmp_4 = main__c1 [L1404] _Bool assert__arg; [L1405] assert__arg = __tmp_4 [L1406] COND TRUE assert__arg == 0 [L1408] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...