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/pals_lcr.6.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:04:43,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:04:43,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:04:43,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:04:43,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:04:43,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:04:43,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:04:43,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:04:43,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:04:43,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:04:43,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:04:43,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:04:43,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:04:43,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:04:43,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:04:43,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:04:43,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:04:43,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:04:43,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:04:43,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:04:43,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:04:43,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:04:43,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:04:43,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:04:43,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:04:43,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:04:43,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:04:43,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:04:43,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:04:43,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:04:43,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:04:43,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:04:43,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:04:43,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:04:43,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:04:43,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:04:43,699 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 17:04:43,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:04:43,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:04:43,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:04:43,715 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:04:43,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:04:43,716 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:04:43,717 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:04:43,717 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:04:43,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:04:43,718 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:04:43,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:04:43,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:04:43,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:04:43,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:04:43,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:04:43,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:04:43,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:04:43,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:04:43,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:04:43,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:04:43,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:04:43,722 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:04:43,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:04:43,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:04:43,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:04:43,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:04:43,723 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:04:43,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:04:43,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:04:43,724 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:04:43,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:04:43,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:04:43,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:04:43,771 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:04:43,771 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:04:43,772 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2019-09-11 17:04:43,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa02a3cea/a2be03b421ed44b8ac495239e516efd1/FLAGa820529bd [2019-09-11 17:04:44,352 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:04:44,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2019-09-11 17:04:44,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa02a3cea/a2be03b421ed44b8ac495239e516efd1/FLAGa820529bd [2019-09-11 17:04:44,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa02a3cea/a2be03b421ed44b8ac495239e516efd1 [2019-09-11 17:04:44,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:04:44,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:04:44,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:44,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:04:44,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:04:44,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:44" (1/1) ... [2019-09-11 17:04:44,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1615c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:44, skipping insertion in model container [2019-09-11 17:04:44,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:44" (1/1) ... [2019-09-11 17:04:44,708 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:04:44,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:04:45,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:45,321 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:04:45,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:45,446 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:04:45,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45 WrapperNode [2019-09-11 17:04:45,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:45,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:04:45,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:04:45,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:04:45,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (1/1) ... [2019-09-11 17:04:45,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (1/1) ... [2019-09-11 17:04:45,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (1/1) ... [2019-09-11 17:04:45,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (1/1) ... [2019-09-11 17:04:45,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (1/1) ... [2019-09-11 17:04:45,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (1/1) ... [2019-09-11 17:04:45,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (1/1) ... [2019-09-11 17:04:45,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:04:45,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:04:45,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:04:45,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:04:45,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:45" (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 17:04:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:04:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:04:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:04:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:04:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:04:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:04:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:04:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:04:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:04:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:04:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:04:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:04:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:04:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:04:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:04:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-11 17:04:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-11 17:04:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:04:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:04:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:04:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:04:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:04:46,325 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:04:46,325 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:04:46,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:46 BoogieIcfgContainer [2019-09-11 17:04:46,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:04:46,327 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:04:46,327 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:04:46,328 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:04:46,328 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:46" (1/1) ... [2019-09-11 17:04:46,357 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:04:46,529 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:04:54,624 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:04:54,659 INFO L272 AbstractInterpreter]: Visited 221 different actions 8335 times. Merged at 62 different actions 3130 times. Widened at 1 different actions 10 times. Performed 63279 root evaluator evaluations with a maximum evaluation depth of 8. Performed 63279 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1493 fixpoints after 69 different actions. Largest state had 135 variables. [2019-09-11 17:04:54,659 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:04:54,662 INFO L168 Benchmark]: Toolchain (without parser) took 9969.17 ms. Allocated memory was 139.5 MB in the beginning and 581.4 MB in the end (delta: 442.0 MB). Free memory was 85.3 MB in the beginning and 100.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 426.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:54,663 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-11 17:04:54,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.08 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 85.1 MB in the beginning and 172.6 MB in the end (delta: -87.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:54,665 INFO L168 Benchmark]: Boogie Preprocessor took 60.44 ms. Allocated memory is still 200.8 MB. Free memory was 172.6 MB in the beginning and 169.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:54,666 INFO L168 Benchmark]: RCFGBuilder took 816.12 ms. Allocated memory is still 200.8 MB. Free memory was 169.6 MB in the beginning and 122.7 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:54,667 INFO L168 Benchmark]: Abstract Interpretation took 8332.03 ms. Allocated memory was 200.8 MB in the beginning and 581.4 MB in the end (delta: 380.6 MB). Free memory was 122.7 MB in the beginning and 100.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 402.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:54,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.08 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 85.1 MB in the beginning and 172.6 MB in the end (delta: -87.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.44 ms. Allocated memory is still 200.8 MB. Free memory was 172.6 MB in the beginning and 169.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 816.12 ms. Allocated memory is still 200.8 MB. Free memory was 169.6 MB in the beginning and 122.7 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 8332.03 ms. Allocated memory was 200.8 MB in the beginning and 581.4 MB in the end (delta: 380.6 MB). Free memory was 122.7 MB in the beginning and 100.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 402.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 546]: 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: [L70] msg_t nomsg = (msg_t )-1; [L71] char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] port_t p2 ; [L80] char p2_old ; [L81] char p2_new ; [L82] char id2 ; [L83] char st2 ; [L84] msg_t send2 ; [L85] _Bool mode2 ; [L86] port_t p3 ; [L87] char p3_old ; [L88] char p3_new ; [L89] char id3 ; [L90] char st3 ; [L91] msg_t send3 ; [L92] _Bool mode3 ; [L93] port_t p4 ; [L94] char p4_old ; [L95] char p4_new ; [L96] char id4 ; [L97] char st4 ; [L98] msg_t send4 ; [L99] _Bool mode4 ; [L100] port_t p5 ; [L101] char p5_old ; [L102] char p5_new ; [L103] char id5 ; [L104] char st5 ; [L105] msg_t send5 ; [L106] _Bool mode5 ; [L107] port_t p6 ; [L108] char p6_old ; [L109] char p6_new ; [L110] char id6 ; [L111] char st6 ; [L112] msg_t send6 ; [L113] _Bool mode6 ; [L265-L266] void (*nodes[6])(void) = { & node1, & node2, & node3, & node4, & node5, & node6}; [L466] int c1 ; [L467] int i2 ; [L470] c1 = 0 [L471] r1 = __VERIFIER_nondet_char() [L472] id1 = __VERIFIER_nondet_char() [L473] st1 = __VERIFIER_nondet_char() [L474] send1 = __VERIFIER_nondet_char() [L475] mode1 = __VERIFIER_nondet_bool() [L476] id2 = __VERIFIER_nondet_char() [L477] st2 = __VERIFIER_nondet_char() [L478] send2 = __VERIFIER_nondet_char() [L479] mode2 = __VERIFIER_nondet_bool() [L480] id3 = __VERIFIER_nondet_char() [L481] st3 = __VERIFIER_nondet_char() [L482] send3 = __VERIFIER_nondet_char() [L483] mode3 = __VERIFIER_nondet_bool() [L484] id4 = __VERIFIER_nondet_char() [L485] st4 = __VERIFIER_nondet_char() [L486] send4 = __VERIFIER_nondet_char() [L487] mode4 = __VERIFIER_nondet_bool() [L488] id5 = __VERIFIER_nondet_char() [L489] st5 = __VERIFIER_nondet_char() [L490] send5 = __VERIFIER_nondet_char() [L491] mode5 = __VERIFIER_nondet_bool() [L492] id6 = __VERIFIER_nondet_char() [L493] st6 = __VERIFIER_nondet_char() [L494] send6 = __VERIFIER_nondet_char() [L495] mode6 = __VERIFIER_nondet_bool() [L496] CALL, EXPR init() [L269] int tmp ; [L272] COND TRUE (int )r1 == 0 [L273] COND TRUE (int )id1 >= 0 [L274] COND TRUE (int )st1 == 0 [L275] COND TRUE (int )send1 == (int )id1 [L276] COND TRUE (int )mode1 == 0 [L277] COND TRUE (int )id2 >= 0 [L278] COND TRUE (int )st2 == 0 [L279] COND TRUE (int )send2 == (int )id2 [L280] COND TRUE (int )mode2 == 0 [L281] COND TRUE (int )id3 >= 0 [L282] COND TRUE (int )st3 == 0 [L283] COND TRUE (int )send3 == (int )id3 [L284] COND TRUE (int )mode3 == 0 [L285] COND TRUE (int )id4 >= 0 [L286] COND TRUE (int )st4 == 0 [L287] COND TRUE (int )send4 == (int )id4 [L288] COND TRUE (int )mode4 == 0 [L289] COND TRUE (int )id5 >= 0 [L290] COND TRUE (int )st5 == 0 [L291] COND TRUE (int )send5 == (int )id5 [L292] COND TRUE (int )mode5 == 0 [L293] COND TRUE (int )id6 >= 0 [L294] COND TRUE (int )st6 == 0 [L295] COND TRUE (int )send6 == (int )id6 [L296] COND TRUE (int )mode6 == 0 [L297] COND TRUE (int )id1 != (int )id2 [L298] COND TRUE (int )id1 != (int )id3 [L299] COND TRUE (int )id1 != (int )id4 [L300] COND TRUE (int )id1 != (int )id5 [L301] COND TRUE (int )id1 != (int )id6 [L302] COND TRUE (int )id2 != (int )id3 [L303] COND TRUE (int )id2 != (int )id4 [L304] COND TRUE (int )id2 != (int )id5 [L305] COND TRUE (int )id2 != (int )id6 [L306] COND TRUE (int )id3 != (int )id4 [L307] COND TRUE (int )id3 != (int )id5 [L308] COND TRUE (int )id3 != (int )id6 [L309] COND TRUE (int )id4 != (int )id5 [L310] COND TRUE (int )id4 != (int )id6 [L311] COND TRUE (int )id5 != (int )id6 [L312] tmp = 1 [L433] return (tmp); [L496] RET, EXPR init() [L496] i2 = init() [L498] p1_old = nomsg [L499] p1_new = nomsg [L500] p2_old = nomsg [L501] p2_new = nomsg [L502] p3_old = nomsg [L503] p3_new = nomsg [L504] p4_old = nomsg [L505] p4_new = nomsg [L506] p5_old = nomsg [L507] p5_new = nomsg [L508] p6_old = nomsg [L509] p6_new = nomsg [L510] i2 = 0 [L511] COND TRUE i2 < 12 [L513] CALL node1() [L116] msg_t m1 ; [L119] m1 = nomsg [L120] COND TRUE \read(mode1) [L121] r1 = (char )((int )r1 + 1) [L122] m1 = p6_old [L123] p6_old = nomsg [L124] COND FALSE !((int )m1 != (int )nomsg) [L132] mode1 = (_Bool)0 [L513] RET node1() [L514] CALL node2() [L142] msg_t m2 ; [L145] m2 = nomsg [L146] COND TRUE \read(mode2) [L147] m2 = p1_old [L148] p1_old = nomsg [L149] COND FALSE !((int )m2 != (int )nomsg) [L157] mode2 = (_Bool)0 [L514] RET node2() [L515] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND FALSE !((int )m3 != (int )nomsg) [L182] mode3 = (_Bool)0 [L515] RET node3() [L516] CALL node4() [L192] msg_t m4 ; [L195] m4 = nomsg [L196] COND TRUE \read(mode4) [L197] m4 = p3_old [L198] p3_old = nomsg [L199] COND FALSE !((int )m4 != (int )nomsg) [L207] mode4 = (_Bool)0 [L516] RET node4() [L517] CALL node5() [L217] msg_t m5 ; [L220] m5 = nomsg [L221] COND TRUE \read(mode5) [L222] m5 = p4_old [L223] p4_old = nomsg [L224] COND FALSE !((int )m5 != (int )nomsg) [L232] mode5 = (_Bool)0 [L517] RET node5() [L518] CALL node6() [L242] msg_t m6 ; [L245] m6 = nomsg [L246] COND TRUE \read(mode6) [L247] m6 = p5_old [L248] p5_old = nomsg [L249] COND FALSE !((int )m6 != (int )nomsg) [L257] mode6 = (_Bool)0 [L518] RET node6() [L519] p1_old = p1_new [L520] p1_new = nomsg [L521] p2_old = p2_new [L522] p2_new = nomsg [L523] p3_old = p3_new [L524] p3_new = nomsg [L525] p4_old = p4_new [L526] p4_new = nomsg [L527] p5_old = p5_new [L528] p5_new = nomsg [L529] p6_old = p6_new [L530] p6_new = nomsg [L531] CALL, EXPR check() [L438] int tmp ; [L441] COND FALSE !((((((int )st1 + (int )st2) + (int )st3) + (int )st4) + (int )st5) + (int )st6 <= 1) [L459] tmp = 0 [L461] return (tmp); [L531] RET, EXPR check() [L531] c1 = check() [L532] CALL assert(c1) [L544] COND TRUE ! arg [L546] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...