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.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:11:12,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:11:12,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:11:12,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:11:12,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:11:12,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:11:12,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:11:12,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:11:12,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:11:12,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:11:12,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:11:12,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:11:12,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:11:12,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:11:12,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:11:12,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:11:12,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:11:12,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:11:12,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:11:12,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:11:12,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:11:12,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:11:12,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:11:12,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:11:12,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:11:12,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:11:12,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:11:12,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:11:12,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:11:12,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:11:12,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:11:12,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:11:12,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:11:12,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:11:12,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:11:12,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:11:12,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:11:12,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:11:12,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:11:12,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:11:12,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:11:12,671 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 17:11:12,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:11:12,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:11:12,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:11:12,699 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:11:12,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:11:12,700 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:11:12,700 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:11:12,700 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:11:12,700 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:11:12,701 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:11:12,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:11:12,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:11:12,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:11:12,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:11:12,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:11:12,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:11:12,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:11:12,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:11:12,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:11:12,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:11:12,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:11:12,705 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:11:12,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:11:12,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:11:12,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:11:12,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:11:12,706 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:11:12,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:11:12,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:11:12,707 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:11:12,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:11:12,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:11:12,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:11:12,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:11:12,763 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:11:12,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-11 17:11:12,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25348c080/50f467246abc4d7b85f123102d21ec4e/FLAGae8abfaef [2019-09-11 17:11:13,426 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:11:13,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-11 17:11:13,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25348c080/50f467246abc4d7b85f123102d21ec4e/FLAGae8abfaef [2019-09-11 17:11:13,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25348c080/50f467246abc4d7b85f123102d21ec4e [2019-09-11 17:11:13,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:11:13,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:11:13,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:13,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:11:13,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:11:13,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4a9bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13, skipping insertion in model container [2019-09-11 17:11:13,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,731 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:11:13,801 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:11:14,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:14,281 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:11:14,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:14,435 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:11:14,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14 WrapperNode [2019-09-11 17:11:14,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:14,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:11:14,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:11:14,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:11:14,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (1/1) ... [2019-09-11 17:11:14,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (1/1) ... [2019-09-11 17:11:14,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (1/1) ... [2019-09-11 17:11:14,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (1/1) ... [2019-09-11 17:11:14,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (1/1) ... [2019-09-11 17:11:14,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (1/1) ... [2019-09-11 17:11:14,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (1/1) ... [2019-09-11 17:11:14,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:11:14,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:11:14,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:11:14,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:11:14,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:14" (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 17:11:14,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:11:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:11:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:11:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:11:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:11:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:11:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:11:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:11:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:11:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:11:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:11:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:11:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:11:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:11:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:11:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:11:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:11:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:11:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:11:16,006 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:11:16,007 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:11:16,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:16 BoogieIcfgContainer [2019-09-11 17:11:16,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:11:16,009 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:11:16,009 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:11:16,009 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:11:16,010 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:16" (1/1) ... [2019-09-11 17:11:16,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:11:16,274 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:11:32,811 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:11:32,894 INFO L272 AbstractInterpreter]: Visited 544 different actions 21201 times. Merged at 369 different actions 11483 times. Widened at 142 different actions 2047 times. Performed 62017 root evaluator evaluations with a maximum evaluation depth of 6. Performed 62017 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6195 fixpoints after 300 different actions. Largest state had 294 variables. [2019-09-11 17:11:32,895 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:11:32,898 INFO L168 Benchmark]: Toolchain (without parser) took 19180.71 ms. Allocated memory was 142.1 MB in the beginning and 920.6 MB in the end (delta: 778.6 MB). Free memory was 88.6 MB in the beginning and 387.5 MB in the end (delta: -298.9 MB). Peak memory consumption was 479.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:32,899 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.4 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 17:11:32,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.68 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 88.4 MB in the beginning and 164.3 MB in the end (delta: -75.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:32,902 INFO L168 Benchmark]: Boogie Preprocessor took 100.16 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:32,905 INFO L168 Benchmark]: RCFGBuilder took 1471.12 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 159.4 MB in the beginning and 166.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:32,907 INFO L168 Benchmark]: Abstract Interpretation took 16885.99 ms. Allocated memory was 230.7 MB in the beginning and 920.6 MB in the end (delta: 690.0 MB). Free memory was 166.9 MB in the beginning and 387.5 MB in the end (delta: -220.6 MB). Peak memory consumption was 469.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:32,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.4 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 719.68 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 88.4 MB in the beginning and 164.3 MB in the end (delta: -75.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.16 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1471.12 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 159.4 MB in the beginning and 166.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 16885.99 ms. Allocated memory was 230.7 MB in the beginning and 920.6 MB in the end (delta: 690.0 MB). Free memory was 166.9 MB in the beginning and 387.5 MB in the end (delta: -220.6 MB). Peak memory consumption was 469.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 641]: 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] char id2 = '\x0'; [L68] char r2 = '\x0'; [L69] char st2 = '\x0'; [L70] char nl2 = '\x0'; [L71] char m2 = '\x0'; [L72] char max2 = '\x0'; [L73] _Bool mode2 = 0; [L74] char id3 = '\x0'; [L75] char r3 = '\x0'; [L76] char st3 = '\x0'; [L77] char nl3 = '\x0'; [L78] char m3 = '\x0'; [L79] char max3 = '\x0'; [L80] _Bool mode3 = 0; [L81] char id4 = '\x0'; [L82] char r4 = '\x0'; [L83] char st4 = '\x0'; [L84] char nl4 = '\x0'; [L85] char m4 = '\x0'; [L86] char max4 = '\x0'; [L87] _Bool mode4 = 0; [L92] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L96] int __return_4607; [L97] int __return_4821; [L98] int __return_4970; [L101] int main__c1; [L102] int main__i2; [L103] main__c1 = 0 [L104] ep12 = __VERIFIER_nondet_bool() [L105] ep13 = __VERIFIER_nondet_bool() [L106] ep14 = __VERIFIER_nondet_bool() [L107] ep21 = __VERIFIER_nondet_bool() [L108] ep23 = __VERIFIER_nondet_bool() [L109] ep24 = __VERIFIER_nondet_bool() [L110] ep31 = __VERIFIER_nondet_bool() [L111] ep32 = __VERIFIER_nondet_bool() [L112] ep34 = __VERIFIER_nondet_bool() [L113] ep41 = __VERIFIER_nondet_bool() [L114] ep42 = __VERIFIER_nondet_bool() [L115] ep43 = __VERIFIER_nondet_bool() [L116] id1 = __VERIFIER_nondet_char() [L117] r1 = __VERIFIER_nondet_char() [L118] st1 = __VERIFIER_nondet_char() [L119] nl1 = __VERIFIER_nondet_char() [L120] m1 = __VERIFIER_nondet_char() [L121] max1 = __VERIFIER_nondet_char() [L122] mode1 = __VERIFIER_nondet_bool() [L123] id2 = __VERIFIER_nondet_char() [L124] r2 = __VERIFIER_nondet_char() [L125] st2 = __VERIFIER_nondet_char() [L126] nl2 = __VERIFIER_nondet_char() [L127] m2 = __VERIFIER_nondet_char() [L128] max2 = __VERIFIER_nondet_char() [L129] mode2 = __VERIFIER_nondet_bool() [L130] id3 = __VERIFIER_nondet_char() [L131] r3 = __VERIFIER_nondet_char() [L132] st3 = __VERIFIER_nondet_char() [L133] nl3 = __VERIFIER_nondet_char() [L134] m3 = __VERIFIER_nondet_char() [L135] max3 = __VERIFIER_nondet_char() [L136] mode3 = __VERIFIER_nondet_bool() [L137] id4 = __VERIFIER_nondet_char() [L138] r4 = __VERIFIER_nondet_char() [L139] st4 = __VERIFIER_nondet_char() [L140] nl4 = __VERIFIER_nondet_char() [L141] m4 = __VERIFIER_nondet_char() [L142] max4 = __VERIFIER_nondet_char() [L143] mode4 = __VERIFIER_nondet_bool() [L145] _Bool init__r121; [L146] _Bool init__r131; [L147] _Bool init__r141; [L148] _Bool init__r211; [L149] _Bool init__r231; [L150] _Bool init__r241; [L151] _Bool init__r311; [L152] _Bool init__r321; [L153] _Bool init__r341; [L154] _Bool init__r411; [L155] _Bool init__r421; [L156] _Bool init__r431; [L157] _Bool init__r122; [L158] int init__tmp; [L159] _Bool init__r132; [L160] int init__tmp___0; [L161] _Bool init__r142; [L162] int init__tmp___1; [L163] _Bool init__r212; [L164] int init__tmp___2; [L165] _Bool init__r232; [L166] int init__tmp___3; [L167] _Bool init__r242; [L168] int init__tmp___4; [L169] _Bool init__r312; [L170] int init__tmp___5; [L171] _Bool init__r322; [L172] int init__tmp___6; [L173] _Bool init__r342; [L174] int init__tmp___7; [L175] _Bool init__r412; [L176] int init__tmp___8; [L177] _Bool init__r422; [L178] int init__tmp___9; [L179] _Bool init__r432; [L180] int init__tmp___10; [L181] _Bool init__r123; [L182] int init__tmp___11; [L183] _Bool init__r133; [L184] int init__tmp___12; [L185] _Bool init__r143; [L186] int init__tmp___13; [L187] _Bool init__r213; [L188] int init__tmp___14; [L189] _Bool init__r233; [L190] int init__tmp___15; [L191] _Bool init__r243; [L192] int init__tmp___16; [L193] _Bool init__r313; [L194] int init__tmp___17; [L195] _Bool init__r323; [L196] int init__tmp___18; [L197] _Bool init__r343; [L198] int init__tmp___19; [L199] _Bool init__r413; [L200] int init__tmp___20; [L201] _Bool init__r423; [L202] int init__tmp___21; [L203] _Bool init__r433; [L204] int init__tmp___22; [L205] int init__tmp___23; [L206] init__r121 = ep12 [L207] init__r131 = ep13 [L208] init__r141 = ep14 [L209] init__r211 = ep21 [L210] init__r231 = ep23 [L211] init__r241 = ep24 [L212] init__r311 = ep31 [L213] init__r321 = ep32 [L214] init__r341 = ep34 [L215] init__r411 = ep41 [L216] init__r421 = ep42 [L217] init__r431 = ep43 [L218] COND TRUE !(init__r121 == 0) [L220] init__tmp = 1 [L222] init__r122 = (_Bool)init__tmp [L223] COND TRUE !(init__r131 == 0) [L225] init__tmp___0 = 1 [L227] init__r132 = (_Bool)init__tmp___0 [L228] COND FALSE !(!(init__r141 == 0)) [L2274] COND FALSE !(!(init__r121 == 0)) [L2284] COND FALSE !(!(init__r131 == 0)) [L2300] init__tmp___1 = 0 [L232] init__r142 = (_Bool)init__tmp___1 [L233] COND TRUE !(init__r211 == 0) [L235] init__tmp___2 = 1 [L237] init__r212 = (_Bool)init__tmp___2 [L238] COND TRUE !(init__r231 == 0) [L240] init__tmp___3 = 1 [L242] init__r232 = (_Bool)init__tmp___3 [L243] COND TRUE !(init__r241 == 0) [L245] init__tmp___4 = 1 [L247] init__r242 = (_Bool)init__tmp___4 [L248] COND TRUE !(init__r311 == 0) [L250] init__tmp___5 = 1 [L252] init__r312 = (_Bool)init__tmp___5 [L253] COND TRUE !(init__r321 == 0) [L255] init__tmp___6 = 1 [L257] init__r322 = (_Bool)init__tmp___6 [L258] COND TRUE !(init__r341 == 0) [L260] init__tmp___7 = 1 [L262] init__r342 = (_Bool)init__tmp___7 [L263] COND TRUE !(init__r411 == 0) [L265] init__tmp___8 = 1 [L267] init__r412 = (_Bool)init__tmp___8 [L268] COND TRUE !(init__r421 == 0) [L270] init__tmp___9 = 1 [L272] init__r422 = (_Bool)init__tmp___9 [L273] COND TRUE !(init__r431 == 0) [L275] init__tmp___10 = 1 [L277] init__r432 = (_Bool)init__tmp___10 [L278] COND TRUE !(init__r122 == 0) [L280] init__tmp___11 = 1 [L282] init__r123 = (_Bool)init__tmp___11 [L283] COND TRUE !(init__r132 == 0) [L285] init__tmp___12 = 1 [L287] init__r133 = (_Bool)init__tmp___12 [L288] COND TRUE !(init__r142 == 0) [L290] init__tmp___13 = 1 [L292] init__r143 = (_Bool)init__tmp___13 [L293] COND TRUE !(init__r212 == 0) [L295] init__tmp___14 = 1 [L297] init__r213 = (_Bool)init__tmp___14 [L298] COND TRUE !(init__r232 == 0) [L300] init__tmp___15 = 1 [L302] init__r233 = (_Bool)init__tmp___15 [L303] COND TRUE !(init__r242 == 0) [L305] init__tmp___16 = 1 [L307] init__r243 = (_Bool)init__tmp___16 [L308] COND TRUE !(init__r312 == 0) [L310] init__tmp___17 = 1 [L312] init__r313 = (_Bool)init__tmp___17 [L313] COND TRUE !(init__r322 == 0) [L315] init__tmp___18 = 1 [L317] init__r323 = (_Bool)init__tmp___18 [L318] COND TRUE !(init__r342 == 0) [L320] init__tmp___19 = 1 [L322] init__r343 = (_Bool)init__tmp___19 [L323] COND TRUE !(init__r412 == 0) [L325] init__tmp___20 = 1 [L327] init__r413 = (_Bool)init__tmp___20 [L328] COND TRUE !(init__r422 == 0) [L330] init__tmp___21 = 1 [L332] init__r423 = (_Bool)init__tmp___21 [L333] COND TRUE !(init__r432 == 0) [L335] init__tmp___22 = 1 [L337] init__r433 = (_Bool)init__tmp___22 [L338] COND TRUE ((int)id1) != ((int)id2) [L340] COND TRUE ((int)id1) != ((int)id3) [L342] COND TRUE ((int)id1) != ((int)id4) [L344] COND TRUE ((int)id2) != ((int)id3) [L346] COND TRUE ((int)id2) != ((int)id4) [L348] COND TRUE ((int)id3) != ((int)id4) [L350] COND TRUE ((int)id1) >= 0 [L352] COND TRUE ((int)id2) >= 0 [L354] COND TRUE ((int)id3) >= 0 [L356] COND TRUE ((int)id4) >= 0 [L358] COND TRUE ((int)r1) == 0 [L360] COND TRUE ((int)r2) == 0 [L362] COND TRUE ((int)r3) == 0 [L364] COND TRUE ((int)r4) == 0 [L366] COND TRUE ((int)max1) == ((int)id1) [L368] COND TRUE ((int)max2) == ((int)id2) [L370] COND TRUE ((int)max3) == ((int)id3) [L372] COND TRUE ((int)max4) == ((int)id4) [L374] COND TRUE ((int)st1) == 0 [L376] COND TRUE ((int)st2) == 0 [L378] COND TRUE ((int)st3) == 0 [L380] COND TRUE ((int)st4) == 0 [L382] COND TRUE ((int)nl1) == 0 [L384] COND TRUE ((int)nl2) == 0 [L386] COND TRUE ((int)nl3) == 0 [L388] COND TRUE ((int)nl4) == 0 [L390] COND TRUE ((int)mode1) == 0 [L392] COND TRUE ((int)mode2) == 0 [L394] COND TRUE ((int)mode3) == 0 [L396] COND TRUE ((int)mode4) == 0 [L398] init__tmp___23 = 1 [L399] __return_4607 = init__tmp___23 [L400] main__i2 = __return_4607 [L401] COND TRUE main__i2 != 0 [L403] p12_old = nomsg [L404] p12_new = nomsg [L405] p13_old = nomsg [L406] p13_new = nomsg [L407] p14_old = nomsg [L408] p14_new = nomsg [L409] p21_old = nomsg [L410] p21_new = nomsg [L411] p23_old = nomsg [L412] p23_new = nomsg [L413] p24_old = nomsg [L414] p24_new = nomsg [L415] p31_old = nomsg [L416] p31_new = nomsg [L417] p32_old = nomsg [L418] p32_new = nomsg [L419] p34_old = nomsg [L420] p34_new = nomsg [L421] p41_old = nomsg [L422] p41_new = nomsg [L423] p42_old = nomsg [L424] p42_new = nomsg [L425] p43_old = nomsg [L426] p43_new = nomsg [L427] main__i2 = 0 [L429] COND TRUE main__i2 < 8 [L432] COND FALSE !(!(mode1 == 0)) [L1196] COND TRUE ((int)r1) < 3 [L1198] COND FALSE !(!(ep12 == 0)) [L1209] COND FALSE !(!(ep13 == 0)) [L1220] COND FALSE !(!(ep14 == 0)) [L1231] mode1 = 1 [L468] COND FALSE !(!(mode2 == 0)) [L1057] COND TRUE ((int)r2) < 3 [L1059] COND FALSE !(!(ep21 == 0)) [L1070] COND FALSE !(!(ep23 == 0)) [L1081] COND FALSE !(!(ep24 == 0)) [L1092] mode2 = 1 [L504] COND FALSE !(!(mode3 == 0)) [L918] COND TRUE ((int)r3) < 3 [L920] COND FALSE !(!(ep31 == 0)) [L931] COND FALSE !(!(ep32 == 0)) [L942] COND FALSE !(!(ep34 == 0)) [L953] mode3 = 1 [L540] COND FALSE !(!(mode4 == 0)) [L779] COND TRUE ((int)r4) < 3 [L781] COND FALSE !(!(ep41 == 0)) [L792] COND FALSE !(!(ep42 == 0)) [L803] COND FALSE !(!(ep43 == 0)) [L814] mode4 = 1 [L575] p12_old = p12_new [L576] p12_new = nomsg [L577] p13_old = p13_new [L578] p13_new = nomsg [L579] p14_old = p14_new [L580] p14_new = nomsg [L581] p21_old = p21_new [L582] p21_new = nomsg [L583] p23_old = p23_new [L584] p23_new = nomsg [L585] p24_old = p24_new [L586] p24_new = nomsg [L587] p31_old = p31_new [L588] p31_new = nomsg [L589] p32_old = p32_new [L590] p32_new = nomsg [L591] p34_old = p34_new [L592] p34_new = nomsg [L593] p41_old = p41_new [L594] p41_new = nomsg [L595] p42_old = p42_new [L596] p42_new = nomsg [L597] p43_old = p43_new [L598] p43_new = nomsg [L600] int check__tmp; [L601] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L603] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L605] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L607] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L609] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L611] COND TRUE ((int)r1) >= 3 [L614] COND FALSE !(((int)r1) < 3) [L681] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1) [L687] check__tmp = 0 [L632] __return_4821 = check__tmp [L633] main__c1 = __return_4821 [L635] _Bool __tmp_1; [L636] __tmp_1 = main__c1 [L637] _Bool assert__arg; [L638] assert__arg = __tmp_1 [L639] COND TRUE assert__arg == 0 [L641] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...