./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_1-2.c --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/loop-acceleration/simple_1-2.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 0b1c45895ad4792b73f5535c755d7825e6a65c14 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-acceleration/simple_1-2.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 0b1c45895ad4792b73f5535c755d7825e6a65c14 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:10:02,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:02,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:02,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:02,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:02,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:02,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:02,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:02,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:02,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:02,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:02,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:02,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:02,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:02,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:02,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:02,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:02,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:02,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:02,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:02,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:02,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:02,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:02,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:02,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:02,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:02,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:02,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:02,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:02,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:02,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:02,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:02,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:02,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:02,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:02,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:02,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:02,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:02,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:02,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:02,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:02,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:02,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:02,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:02,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:02,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:02,998 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:02,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:02,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:02,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:03,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:03,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:03,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:03,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:03,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:03,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:03,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:03,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:03,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:03,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:03,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:03,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:03,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:03,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:03,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:03,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:03,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:03,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:03,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:03,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:03,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:03,014 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 -> 0b1c45895ad4792b73f5535c755d7825e6a65c14 [2019-11-24 21:10:03,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:03,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:03,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:03,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:03,594 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:03,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-24 21:10:03,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2558a7fc7/d39b643af3c344c5b6bde0b0849568e7/FLAGa06e20d70 [2019-11-24 21:10:04,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:04,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-24 21:10:04,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2558a7fc7/d39b643af3c344c5b6bde0b0849568e7/FLAGa06e20d70 [2019-11-24 21:10:04,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2558a7fc7/d39b643af3c344c5b6bde0b0849568e7 [2019-11-24 21:10:04,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:04,902 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:04,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:04,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:04,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:04,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:04" (1/1) ... [2019-11-24 21:10:04,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:04, skipping insertion in model container [2019-11-24 21:10:04,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:04" (1/1) ... [2019-11-24 21:10:04,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:04,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:05,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:05,452 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:05,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:05,515 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:05,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05 WrapperNode [2019-11-24 21:10:05,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:05,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:05,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:05,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:05,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:05,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:05,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:05,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:05,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:05" (1/1) ... [2019-11-24 21:10:05,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:05,796 INFO L168 Benchmark]: Toolchain (without parser) took 885.77 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:05,799 INFO L168 Benchmark]: CDTParser took 4.10 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 21:10:05,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.10 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 21:10:05,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.86 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:05,812 INFO L168 Benchmark]: Boogie Preprocessor took 70.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:05,824 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.10 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 615.10 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 182.86 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.40 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:10:09,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:09,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:09,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:09,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:09,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:09,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:09,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:09,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:09,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:09,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:09,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:09,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:09,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:09,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:09,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:09,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:09,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:09,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:09,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:09,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:09,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:09,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:09,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:09,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:09,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:09,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:09,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:09,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:09,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:09,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:09,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:09,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:09,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:09,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:09,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:09,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:09,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:09,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:09,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:09,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:09,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:10:09,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:09,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:09,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:09,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:09,943 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:09,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:09,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:09,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:09,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:09,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:09,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:09,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:09,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:09,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:10:09,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:10:09,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:09,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:09,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:09,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:09,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:09,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:09,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:09,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:09,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:09,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:09,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:09,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:09,956 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:10:09,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:10:09,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:09,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:10:09,960 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 -> 0b1c45895ad4792b73f5535c755d7825e6a65c14 [2019-11-24 21:10:10,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:10,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:10,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:10,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:10,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:10,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-24 21:10:10,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70a224fa/1c12ef023a8a483baa607e29b22d7e8f/FLAG712c09694 [2019-11-24 21:10:11,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:11,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-24 21:10:11,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70a224fa/1c12ef023a8a483baa607e29b22d7e8f/FLAG712c09694 [2019-11-24 21:10:11,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70a224fa/1c12ef023a8a483baa607e29b22d7e8f [2019-11-24 21:10:11,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:11,842 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:11,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:11,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:11,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:11,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:11,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:11, skipping insertion in model container [2019-11-24 21:10:11,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:11" (1/1) ... [2019-11-24 21:10:11,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:11,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:12,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:12,383 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:12,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:12,433 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:12,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12 WrapperNode [2019-11-24 21:10:12,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:12,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:12,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:12,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:12,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:12,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:12,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:12,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:12,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:12" (1/1) ... [2019-11-24 21:10:12,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:12,641 INFO L168 Benchmark]: Toolchain (without parser) took 784.01 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 21:10:12,645 INFO L168 Benchmark]: CDTParser took 1.37 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 21:10:12,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.22 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 21:10:12,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.86 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 21:10:12,656 INFO L168 Benchmark]: Boogie Preprocessor took 30.78 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 21:10:12,668 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 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 589.22 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 155.86 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 30.78 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...