./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+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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+nlh-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 f60fbf108d71c7176cf2139fe2d6a9fc876c40a1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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+nlh-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 f60fbf108d71c7176cf2139fe2d6a9fc876c40a1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:18:07,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:18:07,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:18:07,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:18:07,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:18:07,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:18:07,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:18:07,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:18:07,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:18:07,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:18:07,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:18:07,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:18:07,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:18:07,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:18:07,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:18:07,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:18:07,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:18:07,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:18:07,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:18:07,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:18:07,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:18:07,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:18:07,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:18:07,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:18:07,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:18:07,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:18:07,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:18:07,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:18:07,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:18:07,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:18:07,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:18:07,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:18:07,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:18:07,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:18:07,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:18:07,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:18:07,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:18:07,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:18:07,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:18:07,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:18:07,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:18:07,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:18:07,623 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:18:07,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:18:07,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:18:07,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:18:07,631 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:18:07,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:18:07,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:18:07,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:18:07,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:18:07,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:18:07,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:18:07,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:18:07,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:18:07,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:18:07,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:18:07,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:18:07,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:18:07,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:18:07,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:18:07,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:18:07,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:18:07,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:18:07,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:18:07,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:18:07,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:18:07,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:18:07,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:18:07,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:18:07,647 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 -> f60fbf108d71c7176cf2139fe2d6a9fc876c40a1 [2019-11-26 17:18:08,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:18:08,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:18:08,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:18:08,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:18:08,326 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:18:08,328 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-26 17:18:08,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad29c24e0/6be8e1f18d634dcbb28690959288659a/FLAGd05da1023 [2019-11-26 17:18:09,605 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:18:09,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-26 17:18:09,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad29c24e0/6be8e1f18d634dcbb28690959288659a/FLAGd05da1023 [2019-11-26 17:18:09,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad29c24e0/6be8e1f18d634dcbb28690959288659a [2019-11-26 17:18:09,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:18:09,692 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:18:09,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:18:09,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:18:09,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:18:09,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:18:09" (1/1) ... [2019-11-26 17:18:09,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766a10f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:09, skipping insertion in model container [2019-11-26 17:18:09,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:18:09" (1/1) ... [2019-11-26 17:18:09,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:18:09,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:18:10,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:18:10,709 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:18:10,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:18:11,029 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:18:11,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11 WrapperNode [2019-11-26 17:18:11,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:18:11,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:18:11,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:18:11,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:18:11,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:18:11,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:18:11,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:18:11,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:18:11,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:11" (1/1) ... [2019-11-26 17:18:11,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:18:11,275 INFO L168 Benchmark]: Toolchain (without parser) took 1577.51 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:18:11,289 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-26 17:18:11,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.43 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:18:11,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.77 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:18:11,298 INFO L168 Benchmark]: Boogie Preprocessor took 92.67 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:18:11,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1338.43 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.77 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.67 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:18:15,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:18:15,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:18:15,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:18:15,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:18:15,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:18:15,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:18:15,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:18:15,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:18:15,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:18:15,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:18:15,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:18:15,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:18:15,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:18:15,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:18:15,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:18:15,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:18:15,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:18:15,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:18:15,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:18:15,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:18:15,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:18:15,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:18:15,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:18:15,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:18:15,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:18:15,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:18:15,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:18:15,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:18:15,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:18:15,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:18:15,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:18:15,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:18:15,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:18:15,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:18:15,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:18:15,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:18:15,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:18:15,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:18:15,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:18:15,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:18:15,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:18:15,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:18:15,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:18:15,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:18:15,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:18:15,239 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:18:15,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:18:15,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:18:15,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:18:15,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:18:15,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:18:15,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:18:15,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:18:15,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:18:15,246 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:18:15,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:18:15,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:18:15,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:18:15,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:18:15,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:18:15,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:18:15,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:18:15,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:18:15,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:18:15,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:18:15,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:18:15,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:18:15,252 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:18:15,254 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:18:15,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:18:15,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:18:15,256 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> f60fbf108d71c7176cf2139fe2d6a9fc876c40a1 [2019-11-26 17:18:15,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:18:15,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:18:15,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:18:15,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:18:15,885 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:18:15,886 INFO L428 ainManager$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+nlh-reducer.c [2019-11-26 17:18:16,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184fa01c4/ee3d322be8d2487388be2ca8b353d292/FLAGa4d447e60 [2019-11-26 17:18:17,119 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:18:17,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-26 17:18:17,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184fa01c4/ee3d322be8d2487388be2ca8b353d292/FLAGa4d447e60 [2019-11-26 17:18:17,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184fa01c4/ee3d322be8d2487388be2ca8b353d292 [2019-11-26 17:18:17,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:18:17,220 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:18:17,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:18:17,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:18:17,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:18:17,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:18:17" (1/1) ... [2019-11-26 17:18:17,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:17, skipping insertion in model container [2019-11-26 17:18:17,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:18:17" (1/1) ... [2019-11-26 17:18:17,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:18:17,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:18:18,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:18:18,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:18:18,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:18:18,652 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:18:18,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18 WrapperNode [2019-11-26 17:18:18,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:18:18,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:18:18,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:18:18,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:18:18,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:18:18,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:18:18,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:18:18,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:18:18,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:18:18" (1/1) ... [2019-11-26 17:18:18,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:18:18,908 INFO L168 Benchmark]: Toolchain (without parser) took 1684.06 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 973.8 MB in the end (delta: -12.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:18:18,909 INFO L168 Benchmark]: CDTParser took 2.34 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. [2019-11-26 17:18:18,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1431.62 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 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:18:18,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.81 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:18:18,918 INFO L168 Benchmark]: Boogie Preprocessor took 104.76 ms. Allocated memory is still 1.0 GB. Free memory was 979.5 MB in the beginning and 973.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:18:18,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.34 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 1431.62 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 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.81 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.76 ms. Allocated memory is still 1.0 GB. Free memory was 979.5 MB in the beginning and 973.8 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...