./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.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 77f0edee0f37c8f2543ab6fcb10690fb465b79ec .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.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 77f0edee0f37c8f2543ab6fcb10690fb465b79ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:23:41,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:23:41,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:23:41,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:23:41,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:23:41,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:23:41,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:23:41,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:23:41,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:23:41,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:23:41,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:23:41,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:23:41,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:23:41,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:23:41,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:23:41,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:23:41,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:23:41,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:23:41,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:23:41,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:23:42,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:23:42,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:23:42,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:23:42,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:23:42,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:23:42,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:23:42,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:23:42,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:23:42,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:23:42,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:23:42,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:23:42,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:23:42,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:23:42,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:23:42,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:23:42,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:23:42,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:23:42,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:23:42,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:23:42,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:23:42,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:23:42,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:23:42,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:23:42,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:23:42,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:23:42,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:23:42,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:23:42,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:23:42,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:23:42,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:23:42,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:23:42,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:23:42,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:23:42,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:23:42,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:23:42,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:23:42,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:23:42,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:23:42,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:23:42,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:23:42,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:23:42,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:23:42,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:23:42,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:23:42,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:23:42,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:23:42,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:23:42,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:23:42,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:23:42,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:23:42,127 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 -> 77f0edee0f37c8f2543ab6fcb10690fb465b79ec [2019-11-27 16:23:42,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:23:42,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:23:42,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:23:42,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:23:42,739 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:23:42,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2019-11-27 16:23:42,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f48eb36ee/efae509e2cf447039e5f00c0542fb065/FLAGc86a20f17 [2019-11-27 16:23:44,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:23:44,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2019-11-27 16:23:44,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f48eb36ee/efae509e2cf447039e5f00c0542fb065/FLAGc86a20f17 [2019-11-27 16:23:44,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f48eb36ee/efae509e2cf447039e5f00c0542fb065 [2019-11-27 16:23:44,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:23:44,281 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:23:44,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:23:44,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:23:44,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:23:44,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:23:44" (1/1) ... [2019-11-27 16:23:44,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:44, skipping insertion in model container [2019-11-27 16:23:44,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:23:44" (1/1) ... [2019-11-27 16:23:44,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:23:44,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:23:45,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:23:45,435 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:23:45,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:23:45,704 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:23:45,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45 WrapperNode [2019-11-27 16:23:45,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:23:45,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:23:45,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:23:45,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:23:45,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:45,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:45,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:23:45,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:23:45,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:23:45,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:23:45,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:45,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:45,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:45,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:45,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:46,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:46,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:45" (1/1) ... [2019-11-27 16:23:46,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:23:46,071 INFO L168 Benchmark]: Toolchain (without parser) took 1783.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 631.5 kB). Peak memory consumption was 697.0 kB. Max. memory is 12.5 GB. [2019-11-27 16:23:46,076 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:23:46,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1429.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:23:46,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.54 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:23:46,089 INFO L168 Benchmark]: Boogie Preprocessor took 179.36 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:23:46,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1429.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 165.54 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.36 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:23:50,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:23:50,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:23:50,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:23:50,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:23:50,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:23:50,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:23:50,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:23:50,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:23:50,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:23:50,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:23:50,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:23:50,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:23:50,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:23:50,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:23:50,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:23:50,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:23:50,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:23:50,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:23:50,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:23:50,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:23:50,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:23:50,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:23:50,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:23:50,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:23:50,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:23:50,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:23:50,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:23:50,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:23:50,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:23:50,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:23:50,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:23:50,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:23:50,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:23:50,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:23:50,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:23:50,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:23:50,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:23:50,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:23:50,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:23:50,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:23:50,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:23:50,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:23:50,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:23:50,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:23:50,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:23:50,371 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:23:50,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:23:50,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:23:50,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:23:50,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:23:50,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:23:50,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:23:50,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:23:50,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:23:50,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:23:50,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:23:50,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:23:50,381 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:23:50,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:23:50,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:23:50,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:23:50,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:23:50,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:23:50,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:23:50,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:23:50,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:23:50,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:23:50,386 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:23:50,387 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:23:50,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:23:50,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:23:50,389 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 -> 77f0edee0f37c8f2543ab6fcb10690fb465b79ec [2019-11-27 16:23:50,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:23:50,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:23:51,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:23:51,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:23:51,011 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:23:51,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2019-11-27 16:23:51,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181355a3c/8aee5755ba2546e5925fd39b9e4e4b74/FLAGe1347dc2f [2019-11-27 16:23:52,437 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:23:52,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c [2019-11-27 16:23:52,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181355a3c/8aee5755ba2546e5925fd39b9e4e4b74/FLAGe1347dc2f [2019-11-27 16:23:52,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181355a3c/8aee5755ba2546e5925fd39b9e4e4b74 [2019-11-27 16:23:52,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:23:52,543 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:23:52,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:23:52,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:23:52,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:23:52,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:23:52" (1/1) ... [2019-11-27 16:23:52,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:52, skipping insertion in model container [2019-11-27 16:23:52,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:23:52" (1/1) ... [2019-11-27 16:23:52,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:23:52,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:23:53,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:23:53,770 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:23:54,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:23:54,107 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:23:54,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54 WrapperNode [2019-11-27 16:23:54,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:23:54,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:23:54,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:23:54,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:23:54,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:23:54,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:23:54,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:23:54,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:23:54,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:23:54" (1/1) ... [2019-11-27 16:23:54,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:23:54,518 INFO L168 Benchmark]: Toolchain (without parser) took 1967.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:23:54,520 INFO L168 Benchmark]: CDTParser took 2.68 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:23:54,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1569.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:23:54,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.61 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:23:54,529 INFO L168 Benchmark]: Boogie Preprocessor took 204.71 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 961.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:23:54,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.68 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1569.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 184.61 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.71 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 961.0 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...