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-var-start-time.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:03:35,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:03:35,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:03:35,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:03:35,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:03:35,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:03:35,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:03:35,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:03:35,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:03:35,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:03:35,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:03:35,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:03:35,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:03:35,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:03:35,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:03:35,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:03:35,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:03:35,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:03:35,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:03:35,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:03:35,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:03:35,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:03:35,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:03:35,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:03:35,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:03:35,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:03:35,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:03:35,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:03:35,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:03:35,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:03:35,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:03:35,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:03:35,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:03:35,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:03:35,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:03:35,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:03:35,313 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 17:03:35,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:03:35,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:03:35,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:03:35,329 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:03:35,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:03:35,330 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:03:35,330 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:03:35,330 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:03:35,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:03:35,330 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:03:35,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:03:35,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:03:35,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:03:35,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:03:35,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:03:35,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:03:35,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:03:35,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:03:35,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:03:35,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:03:35,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:03:35,333 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:03:35,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:03:35,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:03:35,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:03:35,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:03:35,334 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:03:35,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:03:35,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:03:35,335 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:03:35,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:03:35,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:03:35,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:03:35,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:03:35,379 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:03:35,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2019-09-11 17:03:35,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009b5384d/2ca6b9558e6a41d988de756394dcde39/FLAG49ac3b5c5 [2019-09-11 17:03:35,904 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:03:35,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2019-09-11 17:03:35,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009b5384d/2ca6b9558e6a41d988de756394dcde39/FLAG49ac3b5c5 [2019-09-11 17:03:36,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009b5384d/2ca6b9558e6a41d988de756394dcde39 [2019-09-11 17:03:36,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:03:36,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:03:36,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:03:36,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:03:36,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:03:36,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d3ae38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36, skipping insertion in model container [2019-09-11 17:03:36,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,293 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:03:36,347 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:03:36,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:03:36,718 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:03:36,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:03:36,796 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:03:36,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36 WrapperNode [2019-09-11 17:03:36,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:03:36,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:03:36,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:03:36,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:03:36,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (1/1) ... [2019-09-11 17:03:36,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:03:36,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:03:36,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:03:36,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:03:36,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:36" (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 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:03:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:03:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:03:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:03:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:03:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:03:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:03:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:03:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:03:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:03:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:03:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:03:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:03:36,945 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:03:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:03:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:03:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:03:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:03:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:03:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:03:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:03:37,650 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:03:37,650 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:03:37,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:03:37 BoogieIcfgContainer [2019-09-11 17:03:37,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:03:37,653 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:03:37,653 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:03:37,653 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:03:37,654 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:03:37" (1/1) ... [2019-09-11 17:03:37,686 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:03:37,856 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:03:42,869 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:03:42,914 INFO L272 AbstractInterpreter]: Visited 191 different actions 4492 times. Merged at 58 different actions 1329 times. Widened at 1 different actions 5 times. Performed 30278 root evaluator evaluations with a maximum evaluation depth of 6. Performed 30278 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 963 fixpoints after 66 different actions. Largest state had 106 variables. [2019-09-11 17:03:42,914 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:03:42,917 INFO L168 Benchmark]: Toolchain (without parser) took 6640.39 ms. Allocated memory was 132.1 MB in the beginning and 403.7 MB in the end (delta: 271.6 MB). Free memory was 86.2 MB in the beginning and 81.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 276.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:42,918 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:03:42,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.42 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 172.8 MB in the end (delta: -86.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:42,920 INFO L168 Benchmark]: Boogie Preprocessor took 87.91 ms. Allocated memory is still 199.8 MB. Free memory was 172.8 MB in the beginning and 169.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:42,921 INFO L168 Benchmark]: RCFGBuilder took 766.26 ms. Allocated memory is still 199.8 MB. Free memory was 169.9 MB in the beginning and 129.4 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:42,922 INFO L168 Benchmark]: Abstract Interpretation took 5261.51 ms. Allocated memory was 199.8 MB in the beginning and 403.7 MB in the end (delta: 203.9 MB). Free memory was 128.7 MB in the beginning and 81.3 MB in the end (delta: 47.4 MB). Peak memory consumption was 251.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:42,926 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 520.42 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 172.8 MB in the end (delta: -86.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.91 ms. Allocated memory is still 199.8 MB. Free memory was 172.8 MB in the beginning and 169.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 766.26 ms. Allocated memory is still 199.8 MB. Free memory was 169.9 MB in the beginning and 129.4 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 5261.51 ms. Allocated memory was 199.8 MB in the beginning and 403.7 MB in the end (delta: 203.9 MB). Free memory was 128.7 MB in the beginning and 81.3 MB in the end (delta: 47.4 MB). Peak memory consumption was 251.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 437]: 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] unsigned 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] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L96] port_t p4 ; [L97] char p4_old ; [L98] char p4_new ; [L99] char id4 ; [L100] char st4 ; [L101] msg_t send4 ; [L102] _Bool mode4 ; [L103] _Bool alive4 ; [L244] void (*nodes[4])(void) = { & node1, & node2, & node3, & node4}; [L372] int c1 ; [L373] int i2 ; [L376] c1 = 0 [L377] r1 = __VERIFIER_nondet_uchar() [L378] id1 = __VERIFIER_nondet_char() [L379] st1 = __VERIFIER_nondet_char() [L380] send1 = __VERIFIER_nondet_char() [L381] mode1 = __VERIFIER_nondet_bool() [L382] alive1 = __VERIFIER_nondet_bool() [L383] id2 = __VERIFIER_nondet_char() [L384] st2 = __VERIFIER_nondet_char() [L385] send2 = __VERIFIER_nondet_char() [L386] mode2 = __VERIFIER_nondet_bool() [L387] alive2 = __VERIFIER_nondet_bool() [L388] id3 = __VERIFIER_nondet_char() [L389] st3 = __VERIFIER_nondet_char() [L390] send3 = __VERIFIER_nondet_char() [L391] mode3 = __VERIFIER_nondet_bool() [L392] alive3 = __VERIFIER_nondet_bool() [L393] id4 = __VERIFIER_nondet_char() [L394] st4 = __VERIFIER_nondet_char() [L395] send4 = __VERIFIER_nondet_char() [L396] mode4 = __VERIFIER_nondet_bool() [L397] alive4 = __VERIFIER_nondet_bool() [L398] CALL, EXPR init() [L247] int tmp ; [L250] COND TRUE (int )r1 == 0 [L251] COND TRUE (((int )alive1 + (int )alive2) + (int )alive3) + (int )alive4 >= 1 [L252] COND TRUE (int )id1 >= 0 [L253] COND TRUE (int )st1 == 0 [L254] COND TRUE (int )send1 == (int )id1 [L255] COND TRUE (int )mode1 == 0 [L256] COND TRUE (int )id2 >= 0 [L257] COND TRUE (int )st2 == 0 [L258] COND TRUE (int )send2 == (int )id2 [L259] COND TRUE (int )mode2 == 0 [L260] COND TRUE (int )id3 >= 0 [L261] COND TRUE (int )st3 == 0 [L262] COND TRUE (int )send3 == (int )id3 [L263] COND TRUE (int )mode3 == 0 [L264] COND TRUE (int )id4 >= 0 [L265] COND TRUE (int )st4 == 0 [L266] COND TRUE (int )send4 == (int )id4 [L267] COND TRUE (int )mode4 == 0 [L268] COND TRUE (int )id1 != (int )id2 [L269] COND TRUE (int )id1 != (int )id3 [L270] COND TRUE (int )id1 != (int )id4 [L271] COND TRUE (int )id2 != (int )id3 [L272] COND TRUE (int )id2 != (int )id4 [L273] COND TRUE (int )id3 != (int )id4 [L274] tmp = 1 [L347] return (tmp); [L398] RET, EXPR init() [L398] i2 = init() [L400] p1_old = nomsg [L401] p1_new = nomsg [L402] p2_old = nomsg [L403] p2_new = nomsg [L404] p3_old = nomsg [L405] p3_new = nomsg [L406] p4_old = nomsg [L407] p4_new = nomsg [L408] i2 = 0 [L409] COND TRUE 1 [L411] CALL node1() [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND FALSE !(\read(mode1)) [L131] COND FALSE !(\read(alive1)) [L134] COND FALSE !((int )send1 != (int )id1) [L137] mode1 = (_Bool)1 [L411] RET node1() [L412] 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) [L163] mode2 = (_Bool)0 [L412] RET node2() [L413] CALL node3() [L178] msg_t m3 ; [L181] m3 = nomsg [L182] COND TRUE \read(mode3) [L183] m3 = p2_old [L184] p2_old = nomsg [L185] COND FALSE !((int )m3 != (int )nomsg) [L197] mode3 = (_Bool)0 [L413] RET node3() [L414] CALL node4() [L212] msg_t m4 ; [L215] m4 = nomsg [L216] COND TRUE \read(mode4) [L217] m4 = p3_old [L218] p3_old = nomsg [L219] COND FALSE !((int )m4 != (int )nomsg) [L231] mode4 = (_Bool)0 [L414] RET node4() [L415] p1_old = p1_new [L416] p1_new = nomsg [L417] p2_old = p2_new [L418] p2_new = nomsg [L419] p3_old = p3_new [L420] p3_new = nomsg [L421] p4_old = p4_new [L422] p4_new = nomsg [L423] CALL, EXPR check() [L352] int tmp ; [L355] COND FALSE !((((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1) [L365] tmp = 0 [L367] return (tmp); [L423] RET, EXPR check() [L423] c1 = check() [L424] CALL assert(c1) [L435] COND TRUE ! arg [L437] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...