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.6.1.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:04:34,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:04:34,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:04:34,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:04:34,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:04:34,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:04:34,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:04:34,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:04:34,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:04:34,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:04:34,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:04:34,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:04:34,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:04:34,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:04:34,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:04:34,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:04:34,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:04:34,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:04:34,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:04:34,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:04:34,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:04:34,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:04:34,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:04:34,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:04:34,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:04:34,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:04:34,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:04:34,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:04:34,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:04:34,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:04:34,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:04:34,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:04:34,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:04:34,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:04:34,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:04:34,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:04:34,884 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 17:04:34,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:04:34,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:04:34,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:04:34,908 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:04:34,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:04:34,909 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:04:34,909 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:04:34,910 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:04:34,910 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:04:34,910 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:04:34,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:04:34,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:04:34,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:04:34,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:04:34,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:04:34,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:04:34,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:04:34,912 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:04:34,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:04:34,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:04:34,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:04:34,913 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:04:34,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:04:34,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:04:34,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:04:34,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:04:34,914 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:04:34,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:04:34,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:04:34,915 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:04:34,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:04:34,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:04:34,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:04:34,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:04:34,965 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:04:34,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2019-09-11 17:04:35,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dacb4d02f/72669aed0fe4403b9c5274ef68c2751b/FLAG6c427584b [2019-09-11 17:04:35,537 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:04:35,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2019-09-11 17:04:35,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dacb4d02f/72669aed0fe4403b9c5274ef68c2751b/FLAG6c427584b [2019-09-11 17:04:35,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dacb4d02f/72669aed0fe4403b9c5274ef68c2751b [2019-09-11 17:04:35,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:04:35,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:04:35,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:35,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:04:35,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:04:35,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:35" (1/1) ... [2019-09-11 17:04:35,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4a666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:35, skipping insertion in model container [2019-09-11 17:04:35,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:35" (1/1) ... [2019-09-11 17:04:35,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:04:35,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:04:36,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:36,261 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:04:36,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:36,376 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:04:36,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36 WrapperNode [2019-09-11 17:04:36,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:36,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:04:36,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:04:36,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:04:36,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:04:36,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:04:36,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:04:36,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:04:36,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (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 17:04:36,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-09-11 17:04:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:04:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:04:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:04:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:04:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:04:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:04:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:04:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:04:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:04:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:04:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:04:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:04:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:04:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:04:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:04:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-11 17:04:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-11 17:04:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:04:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:04:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:04:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:04:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:04:37,230 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:04:37,230 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:04:37,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:37 BoogieIcfgContainer [2019-09-11 17:04:37,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:04:37,233 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:04:37,233 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:04:37,233 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:04:37,234 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:37" (1/1) ... [2019-09-11 17:04:37,265 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:04:37,442 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:04:46,697 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:04:46,736 INFO L272 AbstractInterpreter]: Visited 221 different actions 9218 times. Merged at 62 different actions 3505 times. Widened at 1 different actions 11 times. Performed 69924 root evaluator evaluations with a maximum evaluation depth of 8. Performed 69924 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1651 fixpoints after 68 different actions. Largest state had 135 variables. [2019-09-11 17:04:46,736 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:04:46,739 INFO L168 Benchmark]: Toolchain (without parser) took 10855.38 ms. Allocated memory was 135.3 MB in the beginning and 716.2 MB in the end (delta: 580.9 MB). Free memory was 88.8 MB in the beginning and 162.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 507.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:46,741 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:04:46,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.70 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 88.6 MB in the beginning and 174.2 MB in the end (delta: -85.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:46,743 INFO L168 Benchmark]: Boogie Preprocessor took 81.85 ms. Allocated memory is still 202.9 MB. Free memory was 174.2 MB in the beginning and 171.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:46,744 INFO L168 Benchmark]: RCFGBuilder took 772.13 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 124.0 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:46,745 INFO L168 Benchmark]: Abstract Interpretation took 9504.10 ms. Allocated memory was 202.9 MB in the beginning and 716.2 MB in the end (delta: 513.3 MB). Free memory was 124.0 MB in the beginning and 162.2 MB in the end (delta: -38.2 MB). Peak memory consumption was 475.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:46,749 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 135.3 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 493.70 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 88.6 MB in the beginning and 174.2 MB in the end (delta: -85.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.85 ms. Allocated memory is still 202.9 MB. Free memory was 174.2 MB in the beginning and 171.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 772.13 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 124.0 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 9504.10 ms. Allocated memory was 202.9 MB in the beginning and 716.2 MB in the end (delta: 513.3 MB). Free memory was 124.0 MB in the beginning and 162.2 MB in the end (delta: -38.2 MB). Peak memory consumption was 475.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 548]: 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 ; [L267-L268] void (*nodes[6])(void) = { & node1, & node2, & node3, & node4, & node5, & node6}; [L468] int c1 ; [L469] int i2 ; [L472] c1 = 0 [L473] r1 = __VERIFIER_nondet_char() [L474] id1 = __VERIFIER_nondet_char() [L475] st1 = __VERIFIER_nondet_char() [L476] send1 = __VERIFIER_nondet_char() [L477] mode1 = __VERIFIER_nondet_bool() [L478] id2 = __VERIFIER_nondet_char() [L479] st2 = __VERIFIER_nondet_char() [L480] send2 = __VERIFIER_nondet_char() [L481] mode2 = __VERIFIER_nondet_bool() [L482] id3 = __VERIFIER_nondet_char() [L483] st3 = __VERIFIER_nondet_char() [L484] send3 = __VERIFIER_nondet_char() [L485] mode3 = __VERIFIER_nondet_bool() [L486] id4 = __VERIFIER_nondet_char() [L487] st4 = __VERIFIER_nondet_char() [L488] send4 = __VERIFIER_nondet_char() [L489] mode4 = __VERIFIER_nondet_bool() [L490] id5 = __VERIFIER_nondet_char() [L491] st5 = __VERIFIER_nondet_char() [L492] send5 = __VERIFIER_nondet_char() [L493] mode5 = __VERIFIER_nondet_bool() [L494] id6 = __VERIFIER_nondet_char() [L495] st6 = __VERIFIER_nondet_char() [L496] send6 = __VERIFIER_nondet_char() [L497] mode6 = __VERIFIER_nondet_bool() [L498] CALL, EXPR init() [L271] int tmp ; [L274] COND TRUE (int )r1 == 0 [L275] COND TRUE (int )id1 >= 0 [L276] COND TRUE (int )st1 == 0 [L277] COND TRUE (int )send1 == (int )id1 [L278] COND TRUE (int )mode1 == 0 [L279] COND TRUE (int )id2 >= 0 [L280] COND TRUE (int )st2 == 0 [L281] COND TRUE (int )send2 == (int )id2 [L282] COND TRUE (int )mode2 == 0 [L283] COND TRUE (int )id3 >= 0 [L284] COND TRUE (int )st3 == 0 [L285] COND TRUE (int )send3 == (int )id3 [L286] COND TRUE (int )mode3 == 0 [L287] COND TRUE (int )id4 >= 0 [L288] COND TRUE (int )st4 == 0 [L289] COND TRUE (int )send4 == (int )id4 [L290] COND TRUE (int )mode4 == 0 [L291] COND TRUE (int )id5 >= 0 [L292] COND TRUE (int )st5 == 0 [L293] COND TRUE (int )send5 == (int )id5 [L294] COND TRUE (int )mode5 == 0 [L295] COND TRUE (int )id6 >= 0 [L296] COND TRUE (int )st6 == 0 [L297] COND TRUE (int )send6 == (int )id6 [L298] COND TRUE (int )mode6 == 0 [L299] COND TRUE (int )id1 != (int )id2 [L300] COND TRUE (int )id1 != (int )id3 [L301] COND TRUE (int )id1 != (int )id4 [L302] COND TRUE (int )id1 != (int )id5 [L303] COND TRUE (int )id1 != (int )id6 [L304] COND TRUE (int )id2 != (int )id3 [L305] COND TRUE (int )id2 != (int )id4 [L306] COND TRUE (int )id2 != (int )id5 [L307] COND TRUE (int )id2 != (int )id6 [L308] COND TRUE (int )id3 != (int )id4 [L309] COND TRUE (int )id3 != (int )id5 [L310] COND TRUE (int )id3 != (int )id6 [L311] COND TRUE (int )id4 != (int )id5 [L312] COND TRUE (int )id4 != (int )id6 [L313] COND TRUE (int )id5 != (int )id6 [L314] tmp = 1 [L435] return (tmp); [L498] RET, EXPR init() [L498] i2 = init() [L500] p1_old = nomsg [L501] p1_new = nomsg [L502] p2_old = nomsg [L503] p2_new = nomsg [L504] p3_old = nomsg [L505] p3_new = nomsg [L506] p4_old = nomsg [L507] p4_new = nomsg [L508] p5_old = nomsg [L509] p5_new = nomsg [L510] p6_old = nomsg [L511] p6_new = nomsg [L512] i2 = 0 [L513] COND TRUE i2 < 12 [L515] 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) [L134] mode1 = (_Bool)0 [L515] RET node1() [L516] CALL node2() [L144] msg_t m2 ; [L147] m2 = nomsg [L148] COND TRUE \read(mode2) [L149] m2 = p1_old [L150] p1_old = nomsg [L151] COND FALSE !((int )m2 != (int )nomsg) [L159] mode2 = (_Bool)0 [L516] RET node2() [L517] CALL node3() [L169] msg_t m3 ; [L172] m3 = nomsg [L173] COND TRUE \read(mode3) [L174] m3 = p2_old [L175] p2_old = nomsg [L176] COND FALSE !((int )m3 != (int )nomsg) [L184] mode3 = (_Bool)0 [L517] RET node3() [L518] CALL node4() [L194] msg_t m4 ; [L197] m4 = nomsg [L198] COND TRUE \read(mode4) [L199] m4 = p3_old [L200] p3_old = nomsg [L201] COND FALSE !((int )m4 != (int )nomsg) [L209] mode4 = (_Bool)0 [L518] RET node4() [L519] CALL node5() [L219] msg_t m5 ; [L222] m5 = nomsg [L223] COND TRUE \read(mode5) [L224] m5 = p4_old [L225] p4_old = nomsg [L226] COND FALSE !((int )m5 != (int )nomsg) [L234] mode5 = (_Bool)0 [L519] RET node5() [L520] CALL node6() [L244] msg_t m6 ; [L247] m6 = nomsg [L248] COND TRUE \read(mode6) [L249] m6 = p5_old [L250] p5_old = nomsg [L251] COND FALSE !((int )m6 != (int )nomsg) [L259] mode6 = (_Bool)0 [L520] RET node6() [L521] p1_old = p1_new [L522] p1_new = nomsg [L523] p2_old = p2_new [L524] p2_new = nomsg [L525] p3_old = p3_new [L526] p3_new = nomsg [L527] p4_old = p4_new [L528] p4_new = nomsg [L529] p5_old = p5_new [L530] p5_new = nomsg [L531] p6_old = p6_new [L532] p6_new = nomsg [L533] CALL, EXPR check() [L440] int tmp ; [L443] COND FALSE !((((((int )st1 + (int )st2) + (int )st3) + (int )st4) + (int )st5) + (int )st6 <= 1) [L461] tmp = 0 [L463] return (tmp); [L533] RET, EXPR check() [L533] c1 = check() [L534] CALL assert(c1) [L546] COND TRUE ! arg [L548] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...