./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c01be555c3018de693153f58a14a542140887f0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:29:01,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:29:01,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:29:01,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:29:01,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:29:01,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:29:01,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:29:01,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:29:01,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:29:01,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:29:01,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:29:01,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:29:01,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:29:01,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:29:01,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:29:01,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:29:01,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:29:01,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:29:01,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:29:01,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:29:01,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:29:01,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:29:01,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:29:01,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:29:01,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:29:01,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:29:01,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:29:01,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:29:01,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:29:01,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:29:01,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:29:01,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:29:01,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:29:01,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:29:01,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:29:01,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:29:01,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:29:01,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:29:01,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:29:01,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:29:01,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:29:01,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:29:01,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:29:01,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:29:01,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:29:01,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:29:01,325 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:29:01,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:29:01,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:29:01,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:29:01,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:29:01,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:29:01,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:29:01,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:29:01,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:29:01,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:29:01,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:29:01,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:29:01,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:29:01,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:29:01,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:29:01,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:29:01,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:29:01,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:29:01,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:29:01,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:29:01,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:29:01,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:29:01,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:29:01,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:29:01,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c01be555c3018de693153f58a14a542140887f0 [2019-11-16 21:29:01,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:29:01,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:29:01,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:29:01,841 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:29:01,842 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:29:01,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-11-16 21:29:01,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969fa374b/a4cc53c84fb34c02908bb6d5166dfa35/FLAG1c409e034 [2019-11-16 21:29:02,875 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:29:02,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-11-16 21:29:02,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969fa374b/a4cc53c84fb34c02908bb6d5166dfa35/FLAG1c409e034 [2019-11-16 21:29:02,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969fa374b/a4cc53c84fb34c02908bb6d5166dfa35 [2019-11-16 21:29:02,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:29:02,967 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:29:02,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:29:02,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:29:02,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:29:02,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:29:02" (1/1) ... [2019-11-16 21:29:02,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297eeefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:02, skipping insertion in model container [2019-11-16 21:29:02,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:29:02" (1/1) ... [2019-11-16 21:29:03,001 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:29:03,115 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:29:04,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:29:04,290 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:29:04,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:29:04,863 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:29:04,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04 WrapperNode [2019-11-16 21:29:04,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:29:04,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:29:04,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:29:04,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:29:04,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:04,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:29:05,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:29:05,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:29:05,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:29:05,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:04" (1/1) ... [2019-11-16 21:29:05,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:29:05,237 INFO L168 Benchmark]: Toolchain (without parser) took 2268.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:05,238 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:29:05,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1894.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 949.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:05,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 943.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:05,245 INFO L168 Benchmark]: Boogie Preprocessor took 173.69 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 937.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:05,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1894.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 949.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 943.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 173.69 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 937.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...