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_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:18:14,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:18:14,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:18:14,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:18:14,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:18:14,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:18:14,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:18:14,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:18:14,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:18:14,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:18:14,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:18:14,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:18:14,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:18:14,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:18:14,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:18:14,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:18:14,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:18:14,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:18:14,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:18:14,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:18:14,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:18:14,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:18:14,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:18:14,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:18:14,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:18:14,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:18:14,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:18:14,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:18:14,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:18:14,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:18:14,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:18:14,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:18:14,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:18:14,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:18:14,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:18:14,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:18:14,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:18:14,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:18:14,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:18:14,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:18:14,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:18:14,564 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 17:18:14,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:18:14,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:18:14,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:18:14,594 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:18:14,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:18:14,595 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:18:14,596 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:18:14,596 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:18:14,596 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:18:14,596 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:18:14,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:18:14,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:18:14,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:18:14,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:18:14,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:18:14,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:18:14,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:18:14,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:18:14,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:18:14,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:18:14,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:18:14,601 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:18:14,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:18:14,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:18:14,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:18:14,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:18:14,602 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:18:14,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:18:14,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:18:14,603 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:18:14,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:18:14,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:18:14,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:18:14,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:18:14,671 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:18:14,672 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-11 17:18:14,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e69c541/84558e2027b14bd9b976470df3ce7787/FLAG26a9bc47f [2019-09-11 17:18:15,267 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:18:15,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-11 17:18:15,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e69c541/84558e2027b14bd9b976470df3ce7787/FLAG26a9bc47f [2019-09-11 17:18:15,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35e69c541/84558e2027b14bd9b976470df3ce7787 [2019-09-11 17:18:15,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:18:15,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:18:15,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:15,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:18:15,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:18:15,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:15" (1/1) ... [2019-09-11 17:18:15,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d20904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:15, skipping insertion in model container [2019-09-11 17:18:15,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:15" (1/1) ... [2019-09-11 17:18:15,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:18:15,621 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:18:16,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:16,024 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:18:16,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:16,164 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:18:16,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16 WrapperNode [2019-09-11 17:18:16,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:16,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:18:16,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:18:16,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:18:16,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (1/1) ... [2019-09-11 17:18:16,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (1/1) ... [2019-09-11 17:18:16,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (1/1) ... [2019-09-11 17:18:16,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (1/1) ... [2019-09-11 17:18:16,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (1/1) ... [2019-09-11 17:18:16,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (1/1) ... [2019-09-11 17:18:16,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (1/1) ... [2019-09-11 17:18:16,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:18:16,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:18:16,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:18:16,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:18:16,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:16" (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 17:18:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:18:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:18:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:18:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:18:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:18:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:18:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:18:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:18:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-11 17:18:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-11 17:18:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:18:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:18:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:18:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:18:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:18:17,189 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:18:17,190 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:18:17,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:17 BoogieIcfgContainer [2019-09-11 17:18:17,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:18:17,192 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:18:17,193 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:18:17,193 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:18:17,194 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:17" (1/1) ... [2019-09-11 17:18:17,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:18:17,544 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:18:22,797 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:18:22,860 INFO L272 AbstractInterpreter]: Visited 282 different actions 6152 times. Merged at 156 different actions 3625 times. Widened at 62 different actions 595 times. Performed 15174 root evaluator evaluations with a maximum evaluation depth of 8. Performed 15174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1408 fixpoints after 131 different actions. Largest state had 178 variables. [2019-09-11 17:18:22,861 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:18:22,864 INFO L168 Benchmark]: Toolchain (without parser) took 7303.40 ms. Allocated memory was 134.2 MB in the beginning and 378.5 MB in the end (delta: 244.3 MB). Free memory was 89.6 MB in the beginning and 280.8 MB in the end (delta: -191.3 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:22,867 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:18:22,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.18 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.4 MB in the beginning and 173.0 MB in the end (delta: -83.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:22,870 INFO L168 Benchmark]: Boogie Preprocessor took 75.15 ms. Allocated memory is still 201.9 MB. Free memory was 173.0 MB in the beginning and 169.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:22,872 INFO L168 Benchmark]: RCFGBuilder took 949.88 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 107.7 MB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:22,874 INFO L168 Benchmark]: Abstract Interpretation took 5668.45 ms. Allocated memory was 201.9 MB in the beginning and 378.5 MB in the end (delta: 176.7 MB). Free memory was 107.7 MB in the beginning and 280.8 MB in the end (delta: -173.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:22,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 606.18 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.4 MB in the beginning and 173.0 MB in the end (delta: -83.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.15 ms. Allocated memory is still 201.9 MB. Free memory was 173.0 MB in the beginning and 169.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 949.88 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 107.7 MB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 5668.45 ms. Allocated memory was 201.9 MB in the beginning and 378.5 MB in the end (delta: 176.7 MB). Free memory was 107.7 MB in the beginning and 280.8 MB in the end (delta: -173.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 356]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L46] port_t p5 = 0; [L47] char p5_old = '\x0'; [L48] char p5_new = '\x0'; [L49] char id5 = '\x0'; [L50] char st5 = '\x0'; [L51] msg_t send5 = '\x0'; [L52] _Bool mode5 = 0; [L53] _Bool alive5 = 0; [L54] port_t p6 = 0; [L55] char p6_old = '\x0'; [L56] char p6_new = '\x0'; [L57] char id6 = '\x0'; [L58] char st6 = '\x0'; [L59] msg_t send6 = '\x0'; [L60] _Bool mode6 = 0; [L61] _Bool alive6 = 0; [L68] void (*nodes[6])() = { &node1, &node2, &node3, &node4, &node5, &node6 }; [L72] int __return_182153; [L73] int __return_182348; [L76] int main__c1; [L77] int main__i2; [L78] main__c1 = 0 [L79] r1 = __VERIFIER_nondet_uchar() [L80] id1 = __VERIFIER_nondet_char() [L81] st1 = __VERIFIER_nondet_char() [L82] send1 = __VERIFIER_nondet_char() [L83] mode1 = __VERIFIER_nondet_bool() [L84] alive1 = __VERIFIER_nondet_bool() [L85] id2 = __VERIFIER_nondet_char() [L86] st2 = __VERIFIER_nondet_char() [L87] send2 = __VERIFIER_nondet_char() [L88] mode2 = __VERIFIER_nondet_bool() [L89] alive2 = __VERIFIER_nondet_bool() [L90] id3 = __VERIFIER_nondet_char() [L91] st3 = __VERIFIER_nondet_char() [L92] send3 = __VERIFIER_nondet_char() [L93] mode3 = __VERIFIER_nondet_bool() [L94] alive3 = __VERIFIER_nondet_bool() [L95] id4 = __VERIFIER_nondet_char() [L96] st4 = __VERIFIER_nondet_char() [L97] send4 = __VERIFIER_nondet_char() [L98] mode4 = __VERIFIER_nondet_bool() [L99] alive4 = __VERIFIER_nondet_bool() [L100] id5 = __VERIFIER_nondet_char() [L101] st5 = __VERIFIER_nondet_char() [L102] send5 = __VERIFIER_nondet_char() [L103] mode5 = __VERIFIER_nondet_bool() [L104] alive5 = __VERIFIER_nondet_bool() [L105] id6 = __VERIFIER_nondet_char() [L106] st6 = __VERIFIER_nondet_char() [L107] send6 = __VERIFIER_nondet_char() [L108] mode6 = __VERIFIER_nondet_bool() [L109] alive6 = __VERIFIER_nondet_bool() [L111] int init__tmp; [L112] COND TRUE ((int)r1) == 0 [L114] COND TRUE (((((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) + ((int)alive5)) + ((int)alive6)) >= 1 [L116] COND TRUE ((int)id1) >= 0 [L118] COND TRUE ((int)st1) == 0 [L120] COND TRUE ((int)send1) == ((int)id1) [L122] COND TRUE ((int)mode1) == 0 [L124] COND TRUE ((int)id2) >= 0 [L126] COND TRUE ((int)st2) == 0 [L128] COND TRUE ((int)send2) == ((int)id2) [L130] COND TRUE ((int)mode2) == 0 [L132] COND TRUE ((int)id3) >= 0 [L134] COND TRUE ((int)st3) == 0 [L136] COND TRUE ((int)send3) == ((int)id3) [L138] COND TRUE ((int)mode3) == 0 [L140] COND TRUE ((int)id4) >= 0 [L142] COND TRUE ((int)st4) == 0 [L144] COND TRUE ((int)send4) == ((int)id4) [L146] COND TRUE ((int)mode4) == 0 [L148] COND TRUE ((int)id5) >= 0 [L150] COND TRUE ((int)st5) == 0 [L152] COND TRUE ((int)send5) == ((int)id5) [L154] COND TRUE ((int)mode5) == 0 [L156] COND TRUE ((int)id6) >= 0 [L158] COND TRUE ((int)st6) == 0 [L160] COND TRUE ((int)send6) == ((int)id6) [L162] COND TRUE ((int)mode6) == 0 [L164] COND TRUE ((int)id1) != ((int)id2) [L166] COND TRUE ((int)id1) != ((int)id3) [L168] COND TRUE ((int)id1) != ((int)id4) [L170] COND TRUE ((int)id1) != ((int)id5) [L172] COND TRUE ((int)id1) != ((int)id6) [L174] COND TRUE ((int)id2) != ((int)id3) [L176] COND TRUE ((int)id2) != ((int)id4) [L178] COND TRUE ((int)id2) != ((int)id5) [L180] COND TRUE ((int)id2) != ((int)id6) [L182] COND TRUE ((int)id3) != ((int)id4) [L184] COND TRUE ((int)id3) != ((int)id5) [L186] COND TRUE ((int)id3) != ((int)id6) [L188] COND TRUE ((int)id4) != ((int)id5) [L190] COND TRUE ((int)id4) != ((int)id6) [L192] COND TRUE ((int)id5) != ((int)id6) [L194] init__tmp = 1 [L195] __return_182153 = init__tmp [L196] main__i2 = __return_182153 [L197] COND TRUE main__i2 != 0 [L199] p1_old = nomsg [L200] p1_new = nomsg [L201] p2_old = nomsg [L202] p2_new = nomsg [L203] p3_old = nomsg [L204] p3_new = nomsg [L205] p4_old = nomsg [L206] p4_new = nomsg [L207] p5_old = nomsg [L208] p5_new = nomsg [L209] p6_old = nomsg [L210] p6_new = nomsg [L211] main__i2 = 0 [L214] msg_t node1__m1; [L215] node1__m1 = nomsg [L216] COND FALSE !(!(mode1 == 0)) [L847] COND FALSE !(!(alive1 == 0)) [L875] COND FALSE !(((int)send1) != ((int)id1)) [L858] mode1 = 1 [L237] msg_t node2__m2; [L238] node2__m2 = nomsg [L239] COND TRUE !(mode2 == 0) [L241] node2__m2 = p1_old [L242] p1_old = nomsg [L243] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L252] mode2 = 0 [L255] msg_t node3__m3; [L256] node3__m3 = nomsg [L257] COND TRUE !(mode3 == 0) [L259] node3__m3 = p2_old [L260] p2_old = nomsg [L261] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L270] mode3 = 0 [L273] msg_t node4__m4; [L274] node4__m4 = nomsg [L275] COND TRUE !(mode4 == 0) [L277] node4__m4 = p3_old [L278] p3_old = nomsg [L279] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L288] mode4 = 0 [L291] msg_t node5__m5; [L292] node5__m5 = nomsg [L293] COND TRUE !(mode5 == 0) [L295] node5__m5 = p4_old [L296] p4_old = nomsg [L297] COND FALSE !(((int)node5__m5) != ((int)nomsg)) [L306] mode5 = 0 [L309] msg_t node6__m6; [L310] node6__m6 = nomsg [L311] COND TRUE !(mode6 == 0) [L313] node6__m6 = p5_old [L314] p5_old = nomsg [L315] COND FALSE !(((int)node6__m6) != ((int)nomsg)) [L324] mode6 = 0 [L326] p1_old = p1_new [L327] p1_new = nomsg [L328] p2_old = p2_new [L329] p2_new = nomsg [L330] p3_old = p3_new [L331] p3_new = nomsg [L332] p4_old = p4_new [L333] p4_new = nomsg [L334] p5_old = p5_new [L335] p5_new = nomsg [L336] p6_old = p6_new [L337] p6_new = nomsg [L339] int check__tmp; [L340] COND TRUE (((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) + ((int)st5)) + ((int)st6)) <= 1 [L342] COND FALSE !(((int)r1) < 6) [L367] COND FALSE !((((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) + ((int)st5)) + ((int)st6)) == 1) [L374] check__tmp = 0 [L347] __return_182348 = check__tmp [L348] main__c1 = __return_182348 [L350] _Bool __tmp_1; [L351] __tmp_1 = main__c1 [L352] _Bool assert__arg; [L353] assert__arg = __tmp_1 [L354] COND TRUE assert__arg == 0 [L356] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...