./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/divbin.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/divbin.i -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 ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/divbin.i -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 ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:11:27,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:27,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:27,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:27,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:27,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:27,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:27,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:27,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:27,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:27,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:27,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:27,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:27,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:27,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:27,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:27,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:27,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:27,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:27,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:27,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:27,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:27,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:27,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:27,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:27,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:27,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:27,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:27,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:27,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:27,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:27,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:27,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:27,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:27,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:27,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:27,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:27,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:27,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:27,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:27,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:27,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:11:27,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:27,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:27,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:27,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:27,905 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:27,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:27,910 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:27,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:11:27,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:27,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:27,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:27,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:27,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:27,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:27,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:27,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:27,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:27,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:27,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:27,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:27,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:27,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:27,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:27,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:27,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:27,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:27,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:11:27,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:11:27,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:27,925 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 -> ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 [2019-11-24 21:11:28,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:28,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:28,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:28,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:28,551 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:28,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/divbin.i [2019-11-24 21:11:28,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52458bf29/d413594f3b64418a8cf3e8e7c1552088/FLAGefd6225c8 [2019-11-24 21:11:29,734 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:29,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/divbin.i [2019-11-24 21:11:29,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52458bf29/d413594f3b64418a8cf3e8e7c1552088/FLAGefd6225c8 [2019-11-24 21:11:29,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52458bf29/d413594f3b64418a8cf3e8e7c1552088 [2019-11-24 21:11:29,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:29,797 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:29,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:29,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:29,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:29,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29, skipping insertion in model container [2019-11-24 21:11:29,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:29,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:29,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:30,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:30,315 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:30,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:30,393 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:30,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30 WrapperNode [2019-11-24 21:11:30,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:30,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:30,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:30,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:30,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:30,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:30,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:30,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:30,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:30" (1/1) ... [2019-11-24 21:11:30,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:30,619 INFO L168 Benchmark]: Toolchain (without parser) took 816.06 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. [2019-11-24 21:11:30,626 INFO L168 Benchmark]: CDTParser took 1.06 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. [2019-11-24 21:11:30,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.17 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. [2019-11-24 21:11:30,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.81 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:30,643 INFO L168 Benchmark]: Boogie Preprocessor took 51.88 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. [2019-11-24 21:11:30,653 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 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 598.17 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 153.81 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.88 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:11:34,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:34,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:34,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:34,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:34,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:34,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:34,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:34,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:34,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:34,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:34,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:34,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:34,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:34,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:34,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:34,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:34,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:34,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:34,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:34,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:34,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:34,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:34,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:34,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:34,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:34,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:34,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:34,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:34,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:34,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:34,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:34,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:34,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:34,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:34,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:34,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:34,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:34,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:34,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:34,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:34,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:11:34,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:34,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:34,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:34,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:34,752 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:34,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:34,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:34,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:34,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:34,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:34,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:34,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:34,758 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:34,758 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:11:34,759 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:11:34,759 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:34,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:34,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:34,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:34,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:34,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:34,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:34,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:34,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:34,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:34,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:34,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:34,767 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:11:34,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:11:34,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:34,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:11:34,772 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 -> ac688db0a5759c1fe5bdf21d6f8667ab2b6a1b56 [2019-11-24 21:11:35,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:35,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:35,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:35,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:35,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:35,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/divbin.i [2019-11-24 21:11:35,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c115ad8a1/99f1afa1dd6f4332aa13aa4f484aa4c0/FLAGbbe2975a6 [2019-11-24 21:11:36,579 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:36,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/divbin.i [2019-11-24 21:11:36,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c115ad8a1/99f1afa1dd6f4332aa13aa4f484aa4c0/FLAGbbe2975a6 [2019-11-24 21:11:36,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c115ad8a1/99f1afa1dd6f4332aa13aa4f484aa4c0 [2019-11-24 21:11:36,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:36,644 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:36,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:36,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:36,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:36,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e551884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:36, skipping insertion in model container [2019-11-24 21:11:36,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:36" (1/1) ... [2019-11-24 21:11:36,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:36,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:37,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:37,150 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:37,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:37,231 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:37,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37 WrapperNode [2019-11-24 21:11:37,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:37,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:37,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:37,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:37,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:37,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:37,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:37,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:37,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:37" (1/1) ... [2019-11-24 21:11:37,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:37,490 INFO L168 Benchmark]: Toolchain (without parser) took 842.13 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. [2019-11-24 21:11:37,495 INFO L168 Benchmark]: CDTParser took 2.33 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. [2019-11-24 21:11:37,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.10 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. [2019-11-24 21:11:37,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.48 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. [2019-11-24 21:11:37,503 INFO L168 Benchmark]: Boogie Preprocessor took 81.72 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. [2019-11-24 21:11:37,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33 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 583.10 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 166.48 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 81.72 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...