./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_4-2.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/loop-acceleration/simple_4-2.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 f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_4-2.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 f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:03:47,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:47,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:47,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:47,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:47,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:47,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:47,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:47,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:47,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:47,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:47,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:47,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:47,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:47,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:47,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:47,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:47,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:47,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:47,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:47,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:47,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:47,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:47,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:47,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:47,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:47,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:47,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:47,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:47,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:47,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:47,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:47,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:47,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:47,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:47,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:47,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:47,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:47,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:47,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:47,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:47,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:47,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:47,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:47,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:47,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:47,258 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:47,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:47,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:47,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:47,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:47,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:47,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:47,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:47,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:47,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:47,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:47,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:47,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:47,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:47,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:47,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:47,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:47,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:47,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:47,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:47,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:47,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:47,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:47,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:47,273 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-26 17:03:47,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:47,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:47,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:47,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:47,889 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:47,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-26 17:03:48,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87407d4c/9ddce3ec547a407d8693a98aaf82c24c/FLAGc30977f8d [2019-11-26 17:03:49,057 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:49,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-26 17:03:49,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87407d4c/9ddce3ec547a407d8693a98aaf82c24c/FLAGc30977f8d [2019-11-26 17:03:49,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87407d4c/9ddce3ec547a407d8693a98aaf82c24c [2019-11-26 17:03:49,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:49,260 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:49,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:49,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:49,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:49,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67918653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49, skipping insertion in model container [2019-11-26 17:03:49,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:49,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:49,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:49,720 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:49,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:49,759 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:49,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49 WrapperNode [2019-11-26 17:03:49,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:49,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:49,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:49,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:49,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:49,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:49,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:49,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:49,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:49" (1/1) ... [2019-11-26 17:03:49,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:49,993 INFO L168 Benchmark]: Toolchain (without parser) took 718.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.1 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:49,996 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:49,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.36 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:50,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:50,010 INFO L168 Benchmark]: Boogie Preprocessor took 45.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-26 17:03:50,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 499.36 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 160.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 0.1.24-025d5a2 [2019-11-26 17:03:53,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:53,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:53,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:53,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:53,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:53,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:53,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:53,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:53,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:53,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:53,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:53,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:53,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:53,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:53,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:53,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:53,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:53,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:53,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:54,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:54,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:54,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:54,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:54,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:54,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:54,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:54,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:54,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:54,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:54,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:54,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:54,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:54,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:54,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:54,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:54,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:54,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:54,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:54,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:54,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:54,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:54,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:54,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:54,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:54,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:54,102 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:54,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:54,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:54,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:54,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:54,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:54,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:54,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:54,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:54,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:54,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:54,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:54,111 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:54,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:54,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:54,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:54,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:54,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:54,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:54,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:54,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:54,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:54,117 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:54,117 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:54,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:54,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:54,119 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-26 17:03:54,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:54,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:54,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:54,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:54,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:54,699 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-26 17:03:54,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2743bf3b2/b25acaa5370a413b9240f4aaf6f6d93e/FLAGe6b602d0b [2019-11-26 17:03:55,788 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:55,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-26 17:03:55,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2743bf3b2/b25acaa5370a413b9240f4aaf6f6d93e/FLAGe6b602d0b [2019-11-26 17:03:55,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2743bf3b2/b25acaa5370a413b9240f4aaf6f6d93e [2019-11-26 17:03:55,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:55,994 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:55,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:55,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:56,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:56,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:55" (1/1) ... [2019-11-26 17:03:56,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8cf6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56, skipping insertion in model container [2019-11-26 17:03:56,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:55" (1/1) ... [2019-11-26 17:03:56,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:56,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:56,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:56,520 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:56,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:56,595 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:56,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56 WrapperNode [2019-11-26 17:03:56,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:56,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:56,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:56,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:56,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:56,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:56,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:56,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:56,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:56" (1/1) ... [2019-11-26 17:03:56,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:56,829 INFO L168 Benchmark]: Toolchain (without parser) took 822.20 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 17:03:56,832 INFO L168 Benchmark]: CDTParser took 3.05 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 17:03:56,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.47 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 17:03:56,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.29 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:56,842 INFO L168 Benchmark]: Boogie Preprocessor took 50.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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. [2019-11-26 17:03:56,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.05 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 600.47 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 165.29 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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...