./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_square-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/float-benchs/inv_square-2.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 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float-benchs/inv_square-2.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 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:04,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:04,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:04,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:04,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:04,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:04,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:04,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:04,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:04,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:04,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:04,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:04,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:04,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:04,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:04,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:04,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:04,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:04,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:04,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:04,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:04,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:04,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:04,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:04,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:04,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:04,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:04,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:04,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:04,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:04,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:04,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:04,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:04,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:04,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:04,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:04,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:04,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:04,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:04,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:04,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:04,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:04,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:04,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:04,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:04,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:04,914 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:04,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:04,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:04,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:04,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:04,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:04,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:04,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:04,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:04,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:04,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:04,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:04,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:04,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:04,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:04,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:04,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:04,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:04,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:04,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:04,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:04,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:04,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:04,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:04,929 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 -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2019-11-26 16:58:05,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:05,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:05,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:05,553 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:05,554 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:05,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-26 16:58:05,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec6d845c/7656a11a7cac4809af176bfc2227cac8/FLAG9cb67a1c5 [2019-11-26 16:58:06,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:06,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-26 16:58:06,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec6d845c/7656a11a7cac4809af176bfc2227cac8/FLAG9cb67a1c5 [2019-11-26 16:58:06,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec6d845c/7656a11a7cac4809af176bfc2227cac8 [2019-11-26 16:58:06,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:06,834 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:06,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:06,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:06,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:06,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:06, skipping insertion in model container [2019-11-26 16:58:06,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:06" (1/1) ... [2019-11-26 16:58:06,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:06,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:07,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:07,369 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:07,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:07,452 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:07,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07 WrapperNode [2019-11-26 16:58:07,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:07,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:07,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:07,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:07,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:07,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:07,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:07,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:07,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:07" (1/1) ... [2019-11-26 16:58:07,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:07,739 INFO L168 Benchmark]: Toolchain (without parser) took 899.18 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:07,741 INFO L168 Benchmark]: CDTParser took 3.33 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. [2019-11-26 16:58:07,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.43 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:07,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:07,750 INFO L168 Benchmark]: Boogie Preprocessor took 56.07 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:07,764 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.33 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 619.43 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 215.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.07 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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 0.1.24-025d5a2 [2019-11-26 16:58:11,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:11,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:11,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:11,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:11,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:11,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:11,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:11,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:11,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:11,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:11,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:11,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:11,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:11,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:11,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:11,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:11,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:11,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:11,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:11,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:11,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:11,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:11,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:11,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:11,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:11,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:11,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:11,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:11,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:11,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:11,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:11,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:11,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:11,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:11,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:11,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:11,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:11,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:11,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:11,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:11,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:11,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:11,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:11,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:11,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:11,910 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:11,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:11,912 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:11,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:11,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:11,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:11,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:11,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:11,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:11,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:11,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:11,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:11,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:11,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:11,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:11,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:11,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:11,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:11,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:11,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:11,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:11,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:11,924 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:11,925 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:11,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:11,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:11,928 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 -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2019-11-26 16:58:12,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:12,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:12,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:12,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:12,543 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:12,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-26 16:58:12,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95374f204/a4c704c4b74e482a9a6a673f12137a95/FLAG9e8fc2223 [2019-11-26 16:58:13,691 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:13,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_square-2.c [2019-11-26 16:58:13,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95374f204/a4c704c4b74e482a9a6a673f12137a95/FLAG9e8fc2223 [2019-11-26 16:58:13,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95374f204/a4c704c4b74e482a9a6a673f12137a95 [2019-11-26 16:58:13,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:13,894 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:13,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:13,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:13,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:13,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:13" (1/1) ... [2019-11-26 16:58:13,918 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 26.11 04:58:13, skipping insertion in model container [2019-11-26 16:58:13,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:13" (1/1) ... [2019-11-26 16:58:13,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:13,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:14,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:14,406 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:14,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:14,486 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:14,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14 WrapperNode [2019-11-26 16:58:14,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:14,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:14,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:14,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:14,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:14,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:14,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:14,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:14,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:14" (1/1) ... [2019-11-26 16:58:14,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:14,746 INFO L168 Benchmark]: Toolchain (without parser) took 852.67 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:14,762 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-26 16:58:14,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.52 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:14,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:14,772 INFO L168 Benchmark]: Boogie Preprocessor took 62.21 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:14,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 597.52 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 184.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.21 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...