./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.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-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-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 4fc279a13d4029e3ebf3c7a506eb02b4d0249883 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-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 4fc279a13d4029e3ebf3c7a506eb02b4d0249883 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:25:53,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:25:53,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:25:53,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:25:53,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:25:53,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:25:53,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:25:53,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:25:53,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:25:53,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:25:53,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:25:53,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:25:53,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:25:53,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:25:53,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:25:53,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:25:53,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:25:53,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:25:53,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:25:53,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:25:53,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:25:53,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:25:53,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:25:53,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:25:53,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:25:53,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:25:53,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:25:53,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:25:53,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:25:53,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:25:53,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:25:53,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:25:53,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:25:53,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:25:53,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:25:53,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:25:53,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:25:53,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:25:53,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:25:53,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:25:53,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:25:53,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:25:53,331 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:25:53,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:25:53,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:25:53,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:25:53,337 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:25:53,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:25:53,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:25:53,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:25:53,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:25:53,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:25:53,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:25:53,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:25:53,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:25:53,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:25:53,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:25:53,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:25:53,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:25:53,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:25:53,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:25:53,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:25:53,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:25:53,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:25:53,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:25:53,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:25:53,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:25:53,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:25:53,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:25:53,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:25:53,352 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 -> 4fc279a13d4029e3ebf3c7a506eb02b4d0249883 [2019-11-27 16:25:53,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:25:53,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:25:53,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:25:53,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:25:53,942 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:25:53,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:25:54,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e4c5c2e8/86a7d029a52743258e66db3fa4045ea6/FLAG76a87a531 [2019-11-27 16:25:55,321 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:25:55,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:25:55,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e4c5c2e8/86a7d029a52743258e66db3fa4045ea6/FLAG76a87a531 [2019-11-27 16:25:55,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e4c5c2e8/86a7d029a52743258e66db3fa4045ea6 [2019-11-27 16:25:55,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:25:55,429 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:25:55,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:25:55,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:25:55,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:25:55,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:25:55" (1/1) ... [2019-11-27 16:25:55,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44395090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:55, skipping insertion in model container [2019-11-27 16:25:55,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:25:55" (1/1) ... [2019-11-27 16:25:55,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:25:55,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:25:56,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:25:56,647 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:25:57,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:25:57,079 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:25:57,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57 WrapperNode [2019-11-27 16:25:57,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:25:57,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:25:57,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:25:57,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:25:57,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:25:57,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:25:57,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:25:57,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:25:57,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:57" (1/1) ... [2019-11-27 16:25:57,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:25:57,459 INFO L168 Benchmark]: Toolchain (without parser) took 2022.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.2 MB in the end (delta: -1.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:25:57,464 INFO L168 Benchmark]: CDTParser took 1.46 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. [2019-11-27 16:25:57,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1650.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:57,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.75 ms. Allocated memory is still 1.0 GB. Free memory was 973.6 MB in the beginning and 967.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:57,477 INFO L168 Benchmark]: Boogie Preprocessor took 181.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.9 MB in the beginning and 962.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:57,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 1650.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 184.75 ms. Allocated memory is still 1.0 GB. Free memory was 973.6 MB in the beginning and 967.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.9 MB in the beginning and 962.2 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 16:26:01,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:26:01,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:26:01,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:26:01,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:26:01,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:26:01,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:26:01,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:26:01,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:26:01,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:26:01,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:26:01,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:26:01,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:26:01,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:26:01,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:26:01,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:26:01,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:26:01,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:26:01,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:26:01,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:26:01,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:26:01,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:26:01,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:26:01,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:26:01,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:26:01,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:26:01,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:26:01,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:26:01,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:26:01,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:26:01,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:26:01,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:26:01,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:26:01,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:26:01,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:26:01,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:26:01,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:26:01,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:26:01,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:26:01,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:26:01,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:26:01,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:26:01,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:26:01,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:26:01,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:26:01,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:26:01,772 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:26:01,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:26:01,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:26:01,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:26:01,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:26:01,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:26:01,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:26:01,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:26:01,777 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:26:01,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:26:01,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:26:01,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:26:01,780 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:26:01,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:26:01,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:26:01,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:26:01,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:26:01,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:26:01,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:26:01,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:26:01,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:26:01,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:26:01,785 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:26:01,786 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:26:01,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:26:01,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:26:01,790 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 -> 4fc279a13d4029e3ebf3c7a506eb02b4d0249883 [2019-11-27 16:26:02,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:26:02,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:26:02,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:26:02,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:26:02,417 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:26:02,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:26:02,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9651e1fe9/53d2a0adfd4f403eb89bfc5cedbb4bf5/FLAGa8b580274 [2019-11-27 16:26:03,832 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:26:03,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:26:03,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9651e1fe9/53d2a0adfd4f403eb89bfc5cedbb4bf5/FLAGa8b580274 [2019-11-27 16:26:03,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9651e1fe9/53d2a0adfd4f403eb89bfc5cedbb4bf5 [2019-11-27 16:26:03,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:26:03,942 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:26:03,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:26:03,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:26:03,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:26:03,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:26:03" (1/1) ... [2019-11-27 16:26:03,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44395090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:03, skipping insertion in model container [2019-11-27 16:26:03,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:26:03" (1/1) ... [2019-11-27 16:26:03,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:26:04,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:26:05,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:26:05,262 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:26:05,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:26:05,710 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:26:05,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05 WrapperNode [2019-11-27 16:26:05,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:26:05,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:26:05,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:26:05,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:26:05,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:05,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:05,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:26:05,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:26:05,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:26:05,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:26:05,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:05,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:05,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:05,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:06,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:06,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:06,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:26:05" (1/1) ... [2019-11-27 16:26:06,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:26:06,104 INFO L168 Benchmark]: Toolchain (without parser) took 2156.70 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 961.1 MB in the end (delta: 599.0 kB). Peak memory consumption was 664.5 kB. Max. memory is 12.5 GB. [2019-11-27 16:26:06,116 INFO L168 Benchmark]: CDTParser took 1.97 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. [2019-11-27 16:26:06,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1765.72 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 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:26:06,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.27 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 16:26:06,122 INFO L168 Benchmark]: Boogie Preprocessor took 190.46 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:26:06,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97 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 1765.72 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 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 190.27 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. * Boogie Preprocessor took 190.46 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 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...