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_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:23:17,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:23:17,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:23:17,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:23:17,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:23:17,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:23:17,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:23:17,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:23:17,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:23:17,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:23:17,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:23:17,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:23:17,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:23:17,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:23:17,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:23:17,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:23:17,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:23:17,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:23:17,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:23:17,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:23:17,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:23:17,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:23:17,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:23:17,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:23:17,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:23:17,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:23:17,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:23:17,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:23:17,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:23:17,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:23:17,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:23:17,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:23:17,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:23:17,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:23:17,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:23:17,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:23:17,505 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 17:23:17,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:23:17,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:23:17,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:23:17,527 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:23:17,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:23:17,527 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:23:17,528 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:23:17,528 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:23:17,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:23:17,528 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:23:17,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:23:17,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:23:17,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:23:17,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:23:17,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:23:17,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:23:17,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:23:17,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:23:17,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:23:17,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:23:17,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:23:17,532 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:23:17,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:23:17,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:23:17,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:23:17,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:23:17,533 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:23:17,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:23:17,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:23:17,533 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:23:17,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:23:17,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:23:17,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:23:17,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:23:17,581 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:23:17,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-11 17:23:17,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd52a2f64/66abab84f1db443ea1c0555e6be81934/FLAGa77f31201 [2019-09-11 17:23:18,220 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:23:18,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-11 17:23:18,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd52a2f64/66abab84f1db443ea1c0555e6be81934/FLAGa77f31201 [2019-09-11 17:23:18,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd52a2f64/66abab84f1db443ea1c0555e6be81934 [2019-09-11 17:23:18,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:23:18,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:23:18,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:23:18,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:23:18,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:23:18,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:23:18" (1/1) ... [2019-09-11 17:23:18,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45625c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:18, skipping insertion in model container [2019-09-11 17:23:18,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:23:18" (1/1) ... [2019-09-11 17:23:18,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:23:18,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:23:19,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:23:19,086 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:23:19,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:23:19,269 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:23:19,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19 WrapperNode [2019-09-11 17:23:19,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:23:19,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:23:19,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:23:19,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:23:19,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (1/1) ... [2019-09-11 17:23:19,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (1/1) ... [2019-09-11 17:23:19,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (1/1) ... [2019-09-11 17:23:19,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (1/1) ... [2019-09-11 17:23:19,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (1/1) ... [2019-09-11 17:23:19,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (1/1) ... [2019-09-11 17:23:19,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (1/1) ... [2019-09-11 17:23:19,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:23:19,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:23:19,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:23:19,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:23:19,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:19" (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 17:23:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:23:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:23:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:23:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:23:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:23:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:23:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:23:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:23:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:23:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:23:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:23:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:23:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:23:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:23:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:23:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:23:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:23:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:23:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:23:21,287 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:23:21,288 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:23:21,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:23:21 BoogieIcfgContainer [2019-09-11 17:23:21,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:23:21,290 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:23:21,291 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:23:21,291 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:23:21,292 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:23:21" (1/1) ... [2019-09-11 17:23:21,345 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:23:21,572 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:23:38,949 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:23:39,002 INFO L272 AbstractInterpreter]: Visited 604 different actions 23547 times. Merged at 396 different actions 12822 times. Widened at 136 different actions 1930 times. Performed 66480 root evaluator evaluations with a maximum evaluation depth of 6. Performed 66480 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7307 fixpoints after 324 different actions. Largest state had 310 variables. [2019-09-11 17:23:39,003 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:23:39,006 INFO L168 Benchmark]: Toolchain (without parser) took 20493.15 ms. Allocated memory was 133.2 MB in the beginning and 937.4 MB in the end (delta: 804.3 MB). Free memory was 87.2 MB in the beginning and 274.2 MB in the end (delta: -187.0 MB). Peak memory consumption was 617.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:39,007 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:23:39,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.00 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 161.4 MB in the end (delta: -74.5 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:39,009 INFO L168 Benchmark]: Boogie Preprocessor took 104.00 ms. Allocated memory is still 201.3 MB. Free memory was 161.4 MB in the beginning and 156.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:39,011 INFO L168 Benchmark]: RCFGBuilder took 1914.92 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 156.2 MB in the beginning and 149.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:39,012 INFO L168 Benchmark]: Abstract Interpretation took 17712.48 ms. Allocated memory was 227.5 MB in the beginning and 937.4 MB in the end (delta: 709.9 MB). Free memory was 148.5 MB in the beginning and 274.2 MB in the end (delta: -125.6 MB). Peak memory consumption was 584.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:39,016 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 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.00 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 161.4 MB in the end (delta: -74.5 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.00 ms. Allocated memory is still 201.3 MB. Free memory was 161.4 MB in the beginning and 156.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1914.92 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 156.2 MB in the beginning and 149.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 17712.48 ms. Allocated memory was 227.5 MB in the beginning and 937.4 MB in the end (delta: 709.9 MB). Free memory was 148.5 MB in the beginning and 274.2 MB in the end (delta: -125.6 MB). Peak memory consumption was 584.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 705]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p14 = 0; [L21] char p14_old = '\x0'; [L22] char p14_new = '\x0'; [L23] _Bool ep14 = 0; [L24] port_t p21 = 0; [L25] char p21_old = '\x0'; [L26] char p21_new = '\x0'; [L27] _Bool ep21 = 0; [L28] port_t p23 = 0; [L29] char p23_old = '\x0'; [L30] char p23_new = '\x0'; [L31] _Bool ep23 = 0; [L32] port_t p24 = 0; [L33] char p24_old = '\x0'; [L34] char p24_new = '\x0'; [L35] _Bool ep24 = 0; [L36] port_t p31 = 0; [L37] char p31_old = '\x0'; [L38] char p31_new = '\x0'; [L39] _Bool ep31 = 0; [L40] port_t p32 = 0; [L41] char p32_old = '\x0'; [L42] char p32_new = '\x0'; [L43] _Bool ep32 = 0; [L44] port_t p34 = 0; [L45] char p34_old = '\x0'; [L46] char p34_new = '\x0'; [L47] _Bool ep34 = 0; [L48] port_t p41 = 0; [L49] char p41_old = '\x0'; [L50] char p41_new = '\x0'; [L51] _Bool ep41 = 0; [L52] port_t p42 = 0; [L53] char p42_old = '\x0'; [L54] char p42_new = '\x0'; [L55] _Bool ep42 = 0; [L56] port_t p43 = 0; [L57] char p43_old = '\x0'; [L58] char p43_new = '\x0'; [L59] _Bool ep43 = 0; [L60] char id1 = '\x0'; [L61] char r1 = '\x0'; [L62] char st1 = '\x0'; [L63] char nl1 = '\x0'; [L64] char m1 = '\x0'; [L65] char max1 = '\x0'; [L66] _Bool mode1 = 0; [L67] _Bool newmax1 = 0; [L68] char id2 = '\x0'; [L69] char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] _Bool newmax2 = 0; [L76] char id3 = '\x0'; [L77] char r3 = '\x0'; [L78] char st3 = '\x0'; [L79] char nl3 = '\x0'; [L80] char m3 = '\x0'; [L81] char max3 = '\x0'; [L82] _Bool mode3 = 0; [L83] _Bool newmax3 = 0; [L84] char id4 = '\x0'; [L85] char r4 = '\x0'; [L86] char st4 = '\x0'; [L87] char nl4 = '\x0'; [L88] char m4 = '\x0'; [L89] char max4 = '\x0'; [L90] _Bool mode4 = 0; [L91] _Bool newmax4 = 0; [L96] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L100] int __return_5017; [L101] int __return_5263; [L102] int __return_5428; [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_char() [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] newmax1 = __VERIFIER_nondet_bool() [L128] id2 = __VERIFIER_nondet_char() [L129] r2 = __VERIFIER_nondet_char() [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] newmax2 = __VERIFIER_nondet_bool() [L136] id3 = __VERIFIER_nondet_char() [L137] r3 = __VERIFIER_nondet_char() [L138] st3 = __VERIFIER_nondet_char() [L139] nl3 = __VERIFIER_nondet_char() [L140] m3 = __VERIFIER_nondet_char() [L141] max3 = __VERIFIER_nondet_char() [L142] mode3 = __VERIFIER_nondet_bool() [L143] newmax3 = __VERIFIER_nondet_bool() [L144] id4 = __VERIFIER_nondet_char() [L145] r4 = __VERIFIER_nondet_char() [L146] st4 = __VERIFIER_nondet_char() [L147] nl4 = __VERIFIER_nondet_char() [L148] m4 = __VERIFIER_nondet_char() [L149] max4 = __VERIFIER_nondet_char() [L150] mode4 = __VERIFIER_nondet_bool() [L151] newmax4 = __VERIFIER_nondet_bool() [L153] _Bool init__r121; [L154] _Bool init__r131; [L155] _Bool init__r141; [L156] _Bool init__r211; [L157] _Bool init__r231; [L158] _Bool init__r241; [L159] _Bool init__r311; [L160] _Bool init__r321; [L161] _Bool init__r341; [L162] _Bool init__r411; [L163] _Bool init__r421; [L164] _Bool init__r431; [L165] _Bool init__r122; [L166] int init__tmp; [L167] _Bool init__r132; [L168] int init__tmp___0; [L169] _Bool init__r142; [L170] int init__tmp___1; [L171] _Bool init__r212; [L172] int init__tmp___2; [L173] _Bool init__r232; [L174] int init__tmp___3; [L175] _Bool init__r242; [L176] int init__tmp___4; [L177] _Bool init__r312; [L178] int init__tmp___5; [L179] _Bool init__r322; [L180] int init__tmp___6; [L181] _Bool init__r342; [L182] int init__tmp___7; [L183] _Bool init__r412; [L184] int init__tmp___8; [L185] _Bool init__r422; [L186] int init__tmp___9; [L187] _Bool init__r432; [L188] int init__tmp___10; [L189] _Bool init__r123; [L190] int init__tmp___11; [L191] _Bool init__r133; [L192] int init__tmp___12; [L193] _Bool init__r143; [L194] int init__tmp___13; [L195] _Bool init__r213; [L196] int init__tmp___14; [L197] _Bool init__r233; [L198] int init__tmp___15; [L199] _Bool init__r243; [L200] int init__tmp___16; [L201] _Bool init__r313; [L202] int init__tmp___17; [L203] _Bool init__r323; [L204] int init__tmp___18; [L205] _Bool init__r343; [L206] int init__tmp___19; [L207] _Bool init__r413; [L208] int init__tmp___20; [L209] _Bool init__r423; [L210] int init__tmp___21; [L211] _Bool init__r433; [L212] int init__tmp___22; [L213] int init__tmp___23; [L214] init__r121 = ep12 [L215] init__r131 = ep13 [L216] init__r141 = ep14 [L217] init__r211 = ep21 [L218] init__r231 = ep23 [L219] init__r241 = ep24 [L220] init__r311 = ep31 [L221] init__r321 = ep32 [L222] init__r341 = ep34 [L223] init__r411 = ep41 [L224] init__r421 = ep42 [L225] init__r431 = ep43 [L226] COND TRUE !(init__r121 == 0) [L228] init__tmp = 1 [L230] init__r122 = (_Bool)init__tmp [L231] COND TRUE !(init__r131 == 0) [L233] init__tmp___0 = 1 [L235] init__r132 = (_Bool)init__tmp___0 [L236] COND TRUE !(init__r141 == 0) [L238] init__tmp___1 = 1 [L240] init__r142 = (_Bool)init__tmp___1 [L241] COND TRUE !(init__r211 == 0) [L243] init__tmp___2 = 1 [L245] init__r212 = (_Bool)init__tmp___2 [L246] COND TRUE !(init__r231 == 0) [L248] init__tmp___3 = 1 [L250] init__r232 = (_Bool)init__tmp___3 [L251] COND TRUE !(init__r241 == 0) [L253] init__tmp___4 = 1 [L255] init__r242 = (_Bool)init__tmp___4 [L256] COND TRUE !(init__r311 == 0) [L258] init__tmp___5 = 1 [L260] init__r312 = (_Bool)init__tmp___5 [L261] COND TRUE !(init__r321 == 0) [L263] init__tmp___6 = 1 [L265] init__r322 = (_Bool)init__tmp___6 [L266] COND TRUE !(init__r341 == 0) [L268] init__tmp___7 = 1 [L270] init__r342 = (_Bool)init__tmp___7 [L271] COND TRUE !(init__r411 == 0) [L273] init__tmp___8 = 1 [L275] init__r412 = (_Bool)init__tmp___8 [L276] COND TRUE !(init__r421 == 0) [L278] init__tmp___9 = 1 [L280] init__r422 = (_Bool)init__tmp___9 [L281] COND TRUE !(init__r431 == 0) [L283] init__tmp___10 = 1 [L285] init__r432 = (_Bool)init__tmp___10 [L286] COND TRUE !(init__r122 == 0) [L288] init__tmp___11 = 1 [L290] init__r123 = (_Bool)init__tmp___11 [L291] COND TRUE !(init__r132 == 0) [L293] init__tmp___12 = 1 [L295] init__r133 = (_Bool)init__tmp___12 [L296] COND TRUE !(init__r142 == 0) [L298] init__tmp___13 = 1 [L300] init__r143 = (_Bool)init__tmp___13 [L301] COND FALSE !(!(init__r212 == 0)) [L1995] COND FALSE !(!(init__r232 == 0)) [L2005] COND FALSE !(!(init__r242 == 0)) [L2021] init__tmp___14 = 0 [L305] init__r213 = (_Bool)init__tmp___14 [L306] COND TRUE !(init__r232 == 0) [L308] init__tmp___15 = 1 [L310] init__r233 = (_Bool)init__tmp___15 [L311] COND TRUE !(init__r242 == 0) [L313] init__tmp___16 = 1 [L315] init__r243 = (_Bool)init__tmp___16 [L316] COND TRUE !(init__r312 == 0) [L318] init__tmp___17 = 1 [L320] init__r313 = (_Bool)init__tmp___17 [L321] COND TRUE !(init__r322 == 0) [L323] init__tmp___18 = 1 [L325] init__r323 = (_Bool)init__tmp___18 [L326] COND TRUE !(init__r342 == 0) [L328] init__tmp___19 = 1 [L330] init__r343 = (_Bool)init__tmp___19 [L331] COND TRUE !(init__r412 == 0) [L333] init__tmp___20 = 1 [L335] init__r413 = (_Bool)init__tmp___20 [L336] COND TRUE !(init__r422 == 0) [L338] init__tmp___21 = 1 [L340] init__r423 = (_Bool)init__tmp___21 [L341] COND TRUE !(init__r432 == 0) [L343] init__tmp___22 = 1 [L345] init__r433 = (_Bool)init__tmp___22 [L346] COND TRUE ((int)id1) != ((int)id2) [L348] COND TRUE ((int)id1) != ((int)id3) [L350] COND TRUE ((int)id1) != ((int)id4) [L352] COND TRUE ((int)id2) != ((int)id3) [L354] COND TRUE ((int)id2) != ((int)id4) [L356] COND TRUE ((int)id3) != ((int)id4) [L358] COND TRUE ((int)id1) >= 0 [L360] COND TRUE ((int)id2) >= 0 [L362] COND TRUE ((int)id3) >= 0 [L364] COND TRUE ((int)id4) >= 0 [L366] COND TRUE ((int)r1) == 0 [L368] COND TRUE ((int)r2) == 0 [L370] COND TRUE ((int)r3) == 0 [L372] COND TRUE ((int)r4) == 0 [L374] COND TRUE !(init__r123 == 0) [L376] COND TRUE !(init__r133 == 0) [L378] COND TRUE !(init__r143 == 0) [L380] COND TRUE !(init__r213 == 0) [L382] COND TRUE !(init__r233 == 0) [L384] COND TRUE !(init__r243 == 0) [L386] COND TRUE !(init__r313 == 0) [L388] COND TRUE !(init__r323 == 0) [L390] COND TRUE !(init__r343 == 0) [L392] COND TRUE !(init__r413 == 0) [L394] COND TRUE !(init__r423 == 0) [L396] COND TRUE !(init__r433 == 0) [L398] COND TRUE ((int)max1) == ((int)id1) [L400] COND TRUE ((int)max2) == ((int)id2) [L402] COND TRUE ((int)max3) == ((int)id3) [L404] COND TRUE ((int)max4) == ((int)id4) [L406] COND TRUE ((int)st1) == 0 [L408] COND TRUE ((int)st2) == 0 [L410] COND TRUE ((int)st3) == 0 [L412] COND TRUE ((int)st4) == 0 [L414] COND TRUE ((int)nl1) == 0 [L416] COND TRUE ((int)nl2) == 0 [L418] COND TRUE ((int)nl3) == 0 [L420] COND TRUE ((int)nl4) == 0 [L422] COND TRUE ((int)mode1) == 0 [L424] COND TRUE ((int)mode2) == 0 [L426] COND TRUE ((int)mode3) == 0 [L428] COND TRUE ((int)mode4) == 0 [L430] COND TRUE !(newmax1 == 0) [L432] COND TRUE !(newmax2 == 0) [L434] COND TRUE !(newmax3 == 0) [L436] COND TRUE !(newmax4 == 0) [L438] init__tmp___23 = 1 [L439] __return_5017 = init__tmp___23 [L440] main__i2 = __return_5017 [L441] COND TRUE main__i2 != 0 [L443] p12_old = nomsg [L444] p12_new = nomsg [L445] p13_old = nomsg [L446] p13_new = nomsg [L447] p14_old = nomsg [L448] p14_new = nomsg [L449] p21_old = nomsg [L450] p21_new = nomsg [L451] p23_old = nomsg [L452] p23_new = nomsg [L453] p24_old = nomsg [L454] p24_new = nomsg [L455] p31_old = nomsg [L456] p31_new = nomsg [L457] p32_old = nomsg [L458] p32_new = nomsg [L459] p34_old = nomsg [L460] p34_new = nomsg [L461] p41_old = nomsg [L462] p41_new = nomsg [L463] p42_old = nomsg [L464] p42_new = nomsg [L465] p43_old = nomsg [L466] p43_new = nomsg [L467] main__i2 = 0 [L469] COND TRUE main__i2 < 8 [L472] _Bool node1__newmax; [L473] node1__newmax = 0 [L474] COND TRUE !(mode1 == 0) [L476] r1 = (char)(((int)r1) + 1) [L477] COND FALSE !(!(ep21 == 0)) [L486] COND FALSE !(!(ep31 == 0)) [L495] COND FALSE !(!(ep41 == 0)) [L504] newmax1 = node1__newmax [L505] COND FALSE !(((int)r1) == 3) [L511] mode1 = 0 [L514] _Bool node2__newmax; [L515] node2__newmax = 0 [L516] COND FALSE !(!(mode2 == 0)) [L1163] COND TRUE ((int)r2) < 3 [L1165] COND FALSE !(!(ep21 == 0)) [L1178] COND FALSE !(!(ep23 == 0)) [L1191] COND FALSE !(!(ep24 == 0)) [L1204] mode2 = 1 [L556] _Bool node3__newmax; [L557] node3__newmax = 0 [L558] COND FALSE !(!(mode3 == 0)) [L1003] COND TRUE ((int)r3) < 3 [L1005] COND FALSE !(!(ep31 == 0)) [L1018] COND FALSE !(!(ep32 == 0)) [L1031] COND FALSE !(!(ep34 == 0)) [L1044] mode3 = 1 [L598] _Bool node4__newmax; [L599] node4__newmax = 0 [L600] COND FALSE !(!(mode4 == 0)) [L843] COND TRUE ((int)r4) < 3 [L845] COND FALSE !(!(ep41 == 0)) [L858] COND FALSE !(!(ep42 == 0)) [L871] COND FALSE !(!(ep43 == 0)) [L884] mode4 = 1 [L639] p12_old = p12_new [L640] p12_new = nomsg [L641] p13_old = p13_new [L642] p13_new = nomsg [L643] p14_old = p14_new [L644] p14_new = nomsg [L645] p21_old = p21_new [L646] p21_new = nomsg [L647] p23_old = p23_new [L648] p23_new = nomsg [L649] p24_old = p24_new [L650] p24_new = nomsg [L651] p31_old = p31_new [L652] p31_new = nomsg [L653] p32_old = p32_new [L654] p32_new = nomsg [L655] p34_old = p34_new [L656] p34_new = nomsg [L657] p41_old = p41_new [L658] p41_new = nomsg [L659] p42_old = p42_new [L660] p42_new = nomsg [L661] p43_old = p43_new [L662] p43_new = nomsg [L664] int check__tmp; [L665] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L667] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L669] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L671] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L673] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L675] COND TRUE ((int)r1) >= 3 [L678] COND FALSE !(((int)r1) < 3) [L745] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1) [L751] check__tmp = 0 [L696] __return_5263 = check__tmp [L697] main__c1 = __return_5263 [L699] _Bool __tmp_1; [L700] __tmp_1 = main__c1 [L701] _Bool assert__arg; [L702] assert__arg = __tmp_1 [L703] COND TRUE assert__arg == 0 [L705] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...