./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_opt-floodmax.4.4.ufo.BOUNDED-8.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 a91905df7a297fad334b804f9662bb9c7cbee7cc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_opt-floodmax.4.4.ufo.BOUNDED-8.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 a91905df7a297fad334b804f9662bb9c7cbee7cc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:25:17,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:25:17,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:25:17,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:25:17,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:25:17,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:25:17,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:25:17,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:25:17,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:25:17,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:25:17,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:25:17,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:25:17,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:25:17,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:25:17,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:25:17,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:25:17,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:25:17,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:25:17,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:25:17,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:25:17,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:25:17,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:25:17,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:25:17,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:25:17,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:25:17,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:25:17,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:25:17,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:25:17,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:25:17,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:25:17,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:25:17,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:25:17,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:25:17,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:25:17,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:25:17,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:25:17,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:25:17,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:25:17,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:25:17,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:25:17,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:25:17,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:25:17,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:25:17,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:25:17,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:25:17,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:25:17,963 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:25:17,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:25:17,966 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:25:17,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:25:17,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:25:17,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:25:17,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:25:17,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:25:17,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:25:17,973 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:25:17,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:25:17,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:25:17,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:25:17,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:25:17,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:25:17,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:25:17,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:25:17,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:25:17,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:25:17,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:25:17,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:25:17,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:25:17,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:25:17,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:25:17,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:25:17,984 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 -> a91905df7a297fad334b804f9662bb9c7cbee7cc [2019-11-24 21:25:18,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:25:18,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:25:18,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:25:18,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:25:18,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:25:18,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-11-24 21:25:18,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de4e02c3/ab57d20821524c04b5c20ba5d1c4a1c2/FLAG1b4958404 [2019-11-24 21:25:20,170 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:25:20,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-11-24 21:25:20,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de4e02c3/ab57d20821524c04b5c20ba5d1c4a1c2/FLAG1b4958404 [2019-11-24 21:25:20,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de4e02c3/ab57d20821524c04b5c20ba5d1c4a1c2 [2019-11-24 21:25:20,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:25:20,265 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:25:20,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:25:20,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:25:20,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:25:20,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:25:20" (1/1) ... [2019-11-24 21:25:20,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683e04ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:20, skipping insertion in model container [2019-11-24 21:25:20,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:25:20" (1/1) ... [2019-11-24 21:25:20,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:25:20,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:25:22,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:25:22,881 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:25:24,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:25:24,078 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:25:24,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24 WrapperNode [2019-11-24 21:25:24,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:25:24,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:25:24,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:25:24,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:25:24,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:25:24,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:25:24,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:25:24,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:25:24,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:24" (1/1) ... [2019-11-24 21:25:24,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:25:24,645 INFO L168 Benchmark]: Toolchain (without parser) took 4373.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 938.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:24,646 INFO L168 Benchmark]: CDTParser took 3.04 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. [2019-11-24 21:25:24,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3812.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 956.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:24,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 275.29 ms. Allocated memory is still 1.0 GB. Free memory was 956.1 MB in the beginning and 944.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:24,658 INFO L168 Benchmark]: Boogie Preprocessor took 277.15 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 938.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:24,670 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.04 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 3812.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 956.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 275.29 ms. Allocated memory is still 1.0 GB. Free memory was 956.1 MB in the beginning and 944.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 277.15 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 938.9 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 0.1.24-32f2683 [2019-11-24 21:25:28,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:25:28,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:25:28,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:25:28,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:25:28,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:25:28,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:25:28,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:25:28,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:25:28,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:25:28,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:25:28,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:25:28,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:25:28,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:25:28,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:25:28,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:25:28,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:25:28,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:25:28,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:25:28,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:25:28,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:25:28,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:25:28,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:25:28,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:25:28,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:25:28,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:25:28,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:25:28,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:25:28,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:25:28,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:25:28,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:25:28,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:25:28,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:25:28,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:25:28,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:25:28,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:25:28,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:25:28,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:25:28,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:25:28,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:25:28,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:25:28,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:25:29,005 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:25:29,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:25:29,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:25:29,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:25:29,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:25:29,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:25:29,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:25:29,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:25:29,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:25:29,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:25:29,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:25:29,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:25:29,018 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:25:29,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:25:29,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:25:29,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:25:29,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:25:29,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:25:29,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:25:29,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:25:29,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:25:29,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:25:29,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:25:29,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:25:29,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:25:29,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:25:29,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:25:29,029 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:25:29,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:25:29,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:25:29,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:25:29,033 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 -> a91905df7a297fad334b804f9662bb9c7cbee7cc [2019-11-24 21:25:29,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:25:29,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:25:29,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:25:29,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:25:29,671 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:25:29,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-11-24 21:25:29,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/606b13b1f/934d5f3abb8d41efb4da13ee272b696f/FLAGb561e2c95 [2019-11-24 21:25:31,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:25:31,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-11-24 21:25:31,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/606b13b1f/934d5f3abb8d41efb4da13ee272b696f/FLAGb561e2c95 [2019-11-24 21:25:31,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/606b13b1f/934d5f3abb8d41efb4da13ee272b696f [2019-11-24 21:25:31,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:25:31,411 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:25:31,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:25:31,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:25:31,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:25:31,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:25:31" (1/1) ... [2019-11-24 21:25:31,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683e04ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:31, skipping insertion in model container [2019-11-24 21:25:31,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:25:31" (1/1) ... [2019-11-24 21:25:31,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:25:31,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:25:34,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:25:34,378 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:25:35,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:25:35,804 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:25:35,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35 WrapperNode [2019-11-24 21:25:35,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:25:35,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:25:35,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:25:35,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:25:35,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:35,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:25:36,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:25:36,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:25:36,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:25:36,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:25:35" (1/1) ... [2019-11-24 21:25:36,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:25:36,384 INFO L168 Benchmark]: Toolchain (without parser) took 4966.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 898.8 MB in the end (delta: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:36,388 INFO L168 Benchmark]: CDTParser took 0.55 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. [2019-11-24 21:25:36,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4391.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 916.0 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:36,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 301.49 ms. Allocated memory is still 1.0 GB. Free memory was 916.0 MB in the beginning and 910.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:36,395 INFO L168 Benchmark]: Boogie Preprocessor took 261.76 ms. Allocated memory is still 1.0 GB. Free memory was 910.2 MB in the beginning and 898.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:25:36,405 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 4391.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 916.0 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 301.49 ms. Allocated memory is still 1.0 GB. Free memory was 916.0 MB in the beginning and 910.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 261.76 ms. Allocated memory is still 1.0 GB. Free memory was 910.2 MB in the beginning and 898.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...