./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/ps4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/nla-digbench/ps4.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 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/ps4.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 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:53,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:53,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:53,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:53,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:53,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:53,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:53,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:53,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:53,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:53,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:53,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:53,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:53,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:53,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:53,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:53,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:53,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:53,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:53,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:53,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:53,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:53,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:53,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:53,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:53,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:53,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:53,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:53,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:53,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:53,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:53,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:53,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:53,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:53,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:53,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:53,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:53,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:53,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:53,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:53,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:53,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:53,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:53,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:53,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:53,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:53,589 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:53,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:53,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:53,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:53,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:53,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:53,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:53,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:53,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:53,597 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:53,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:53,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:53,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:53,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:53,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:53,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:53,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:53,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:53,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:53,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:53,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:53,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:53,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:53,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:53,606 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 -> 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd [2019-11-27 09:52:54,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:54,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:54,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:54,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:54,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:54,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps4.c [2019-11-27 09:52:54,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374f37c5b/f0b57ce80595493594899d184b34db68/FLAG63017b099 [2019-11-27 09:52:55,286 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:55,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps4.c [2019-11-27 09:52:55,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374f37c5b/f0b57ce80595493594899d184b34db68/FLAG63017b099 [2019-11-27 09:52:55,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374f37c5b/f0b57ce80595493594899d184b34db68 [2019-11-27 09:52:55,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:55,480 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:55,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:55,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:55,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:55,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:55" (1/1) ... [2019-11-27 09:52:55,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:55, skipping insertion in model container [2019-11-27 09:52:55,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:55" (1/1) ... [2019-11-27 09:52:55,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:55,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:56,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:56,021 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:56,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:56,109 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:56,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56 WrapperNode [2019-11-27 09:52:56,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:56,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:56,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:56,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:56,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:56,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:56,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:56,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:56,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:56" (1/1) ... [2019-11-27 09:52:56,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:56,365 INFO L168 Benchmark]: Toolchain (without parser) took 880.84 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 991.2 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:56,367 INFO L168 Benchmark]: CDTParser took 0.32 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 09:52:56,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.80 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:56,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:56,386 INFO L168 Benchmark]: Boogie Preprocessor took 63.19 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:56,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 628.80 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.19 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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-da95e15 [2019-11-27 09:53:00,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:53:00,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:53:00,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:53:00,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:53:00,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:53:00,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:53:00,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:53:00,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:53:00,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:53:00,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:53:00,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:53:00,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:53:00,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:53:00,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:53:00,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:53:00,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:53:00,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:53:00,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:53:00,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:53:00,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:53:00,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:53:00,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:53:00,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:53:00,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:53:00,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:53:00,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:53:00,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:53:00,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:53:00,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:53:00,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:53:00,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:53:00,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:53:00,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:53:00,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:53:00,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:53:00,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:53:00,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:53:00,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:53:00,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:53:00,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:53:00,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:53:00,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:53:00,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:53:00,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:53:00,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:53:00,405 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:53:00,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:53:00,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:53:00,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:53:00,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:53:00,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:53:00,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:53:00,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:53:00,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:53:00,410 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:53:00,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:53:00,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:53:00,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:53:00,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:53:00,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:53:00,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:53:00,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:53:00,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:53:00,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:53:00,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:53:00,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:53:00,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:53:00,415 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:53:00,416 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:53:00,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:53:00,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:53:00,419 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 -> 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd [2019-11-27 09:53:00,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:53:00,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:53:01,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:53:01,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:53:01,012 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:53:01,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps4.c [2019-11-27 09:53:01,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e286658e2/2d4ea59690774aa2a00f06e85782e2ef/FLAG881d05b19 [2019-11-27 09:53:02,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:53:02,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps4.c [2019-11-27 09:53:02,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e286658e2/2d4ea59690774aa2a00f06e85782e2ef/FLAG881d05b19 [2019-11-27 09:53:02,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e286658e2/2d4ea59690774aa2a00f06e85782e2ef [2019-11-27 09:53:02,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:53:02,400 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:53:02,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:53:02,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:53:02,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:53:02,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:02,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94f6526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02, skipping insertion in model container [2019-11-27 09:53:02,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:02,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:53:02,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:53:02,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:53:02,847 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:53:02,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:53:02,932 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:53:02,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02 WrapperNode [2019-11-27 09:53:02,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:53:02,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:53:02,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:53:02,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:53:02,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:53:03,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:53:03,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:53:03,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:53:03,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:02" (1/1) ... [2019-11-27 09:53:03,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:53:03,163 INFO L168 Benchmark]: Toolchain (without parser) took 764.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:53:03,166 INFO L168 Benchmark]: CDTParser took 0.36 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 09:53:03,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.63 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:03,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.17 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 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:03,171 INFO L168 Benchmark]: Boogie Preprocessor took 63.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:03,188 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 530.63 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 148.17 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 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...