./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/freire2.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/freire2.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 30689778d55a79f9fe352193122f8e3d18bcc1bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/freire2.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 30689778d55a79f9fe352193122f8e3d18bcc1bb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:52:46,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:46,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:46,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:46,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:46,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:46,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:46,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:46,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:46,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:46,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:46,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:46,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:46,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:46,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:46,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:46,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:46,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:46,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:46,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:46,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:46,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:46,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:46,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:46,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:46,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:46,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:46,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:46,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:46,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:46,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:46,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:46,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:46,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:46,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:46,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:46,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:46,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:46,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:46,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:46,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:46,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:46,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:46,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:46,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:46,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:46,747 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:46,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:46,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:46,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:46,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:46,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:46,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:46,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:46,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:46,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:46,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:46,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:46,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:46,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:46,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:46,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:46,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:46,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:46,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:46,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:46,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:46,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:46,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:46,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:46,759 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 -> 30689778d55a79f9fe352193122f8e3d18bcc1bb [2019-11-27 09:52:47,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:47,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:47,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:47,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:47,291 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:47,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/freire2.c [2019-11-27 09:52:47,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872525992/ca398d87eeda4a4c9c130aa2b3a858d2/FLAGf6e403951 [2019-11-27 09:52:48,128 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:48,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/freire2.c [2019-11-27 09:52:48,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872525992/ca398d87eeda4a4c9c130aa2b3a858d2/FLAGf6e403951 [2019-11-27 09:52:48,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872525992/ca398d87eeda4a4c9c130aa2b3a858d2 [2019-11-27 09:52:48,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:48,442 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:48,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:48,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:48,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:48,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:48,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48, skipping insertion in model container [2019-11-27 09:52:48,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:48,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:48,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:48,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:48,831 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:48,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:48,970 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:48,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48 WrapperNode [2019-11-27 09:52:48,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:48,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:48,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:48,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:48,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:48,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:49,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:49,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:49,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:49,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:49,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:49,081 INFO L168 Benchmark]: Toolchain (without parser) took 636.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.6 MB in the end (delta: -32.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:49,082 INFO L168 Benchmark]: CDTParser took 1.47 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 09:52:49,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.6 MB in the end (delta: -32.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:49,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.20 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:49,100 INFO L168 Benchmark]: Boogie Preprocessor took 56.33 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:49,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 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 527.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.6 MB in the end (delta: -32.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 43.20 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.33 ms. Allocated memory is still 1.0 GB. Free memory is still 991.6 MB. There was no memory consumed. 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 09:52:51,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:51,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:51,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:51,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:51,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:51,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:51,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:51,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:51,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:51,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:51,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:51,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:51,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:51,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:51,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:51,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:51,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:51,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:51,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:51,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:51,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:51,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:51,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:51,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:51,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:51,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:51,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:51,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:51,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:51,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:51,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:51,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:51,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:51,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:51,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:51,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:51,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:51,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:51,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:51,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:51,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:52,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:52,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:52,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:52,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:52,032 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:52,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:52,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:52,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:52,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:52,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:52,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:52,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:52,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:52,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:52,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:52,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:52,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:52,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:52,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:52,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:52,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:52,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:52,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:52,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:52,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:52,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:52,043 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:52,043 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:52,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:52,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:52,045 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 -> 30689778d55a79f9fe352193122f8e3d18bcc1bb [2019-11-27 09:52:52,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:52,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:52,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:52,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:52,523 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:52,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/freire2.c [2019-11-27 09:52:52,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b72f2c66/c43b9913bd2a4e27a0f42c7abcf548ea/FLAG129912438 [2019-11-27 09:52:53,369 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:53,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/freire2.c [2019-11-27 09:52:53,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b72f2c66/c43b9913bd2a4e27a0f42c7abcf548ea/FLAG129912438 [2019-11-27 09:52:53,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b72f2c66/c43b9913bd2a4e27a0f42c7abcf548ea [2019-11-27 09:52:53,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:53,674 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:53,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:53,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:53,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:53,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d1ddc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53, skipping insertion in model container [2019-11-27 09:52:53,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:53,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:54,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:54,142 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:54,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:54,309 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:54,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54 WrapperNode [2019-11-27 09:52:54,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:54,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:54,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:54,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:54,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:54,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:54,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:54,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:54,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:54" (1/1) ... [2019-11-27 09:52:54,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:54,432 INFO L168 Benchmark]: Toolchain (without parser) took 755.95 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 990.0 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:54,433 INFO L168 Benchmark]: CDTParser took 1.51 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 09:52:54,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.49 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:54,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.33 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:54,436 INFO L168 Benchmark]: Boogie Preprocessor took 60.04 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:54,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 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 630.49 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 56.33 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.04 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...