./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test27-1.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/ldv-regression/test27-1.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 acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/test27-1.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 acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:01:48,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:48,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:48,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:48,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:48,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:48,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:48,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:48,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:48,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:48,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:48,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:48,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:48,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:48,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:48,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:48,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:48,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:48,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:48,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:48,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:48,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:48,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:48,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:48,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:48,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:48,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:48,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:48,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:48,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:48,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:48,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:48,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:48,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:48,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:48,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:48,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:48,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:48,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:48,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:48,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:48,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:48,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:48,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:48,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:48,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:48,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:48,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:48,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:48,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:48,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:48,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:48,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:48,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:48,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:48,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:48,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:48,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:48,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:48,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:48,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:48,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:48,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:48,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:48,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:48,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:48,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:48,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:48,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:48,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:48,923 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 -> acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 [2019-11-26 17:01:49,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:49,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:49,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:49,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:49,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:49,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-26 17:01:49,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243b2acc9/f4cfcfd06bd044f48f19ba083f75b8b3/FLAGaa0c5a832 [2019-11-26 17:01:50,230 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:50,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-26 17:01:50,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243b2acc9/f4cfcfd06bd044f48f19ba083f75b8b3/FLAGaa0c5a832 [2019-11-26 17:01:50,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243b2acc9/f4cfcfd06bd044f48f19ba083f75b8b3 [2019-11-26 17:01:50,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:50,536 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:50,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:50,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:50,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:50,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb5a4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50, skipping insertion in model container [2019-11-26 17:01:50,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:50,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:50,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:50,907 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:51,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:51,044 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:51,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51 WrapperNode [2019-11-26 17:01:51,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:51,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:51,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:51,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:51,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:51,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:51,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:51,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:51,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:51,193 INFO L168 Benchmark]: Toolchain (without parser) took 654.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 989.9 MB in the end (delta: -21.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:51,208 INFO L168 Benchmark]: CDTParser took 0.26 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 17:01:51,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:51,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.16 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:51,214 INFO L168 Benchmark]: Boogie Preprocessor took 61.28 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:51,223 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 503.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 81.16 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. * Boogie Preprocessor took 61.28 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 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 17:01:53,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:53,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:53,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:53,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:53,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:53,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:53,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:53,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:53,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:53,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:53,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:53,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:53,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:53,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:53,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:53,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:53,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:53,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:53,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:53,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:53,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:54,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:54,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:54,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:54,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:54,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:54,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:54,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:54,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:54,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:54,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:54,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:54,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:54,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:54,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:54,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:54,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:54,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:54,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:54,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:54,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:54,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:54,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:54,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:54,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:54,065 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:54,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:54,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:54,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:54,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:54,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:54,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:54,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:54,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:54,071 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:54,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:54,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:54,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:54,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:54,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:54,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:54,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:54,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:54,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:54,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:54,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:54,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:54,075 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:54,075 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:54,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:54,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:54,076 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 -> acf11c3343955f0499bcc1b48ffc03a3b5f3c7a8 [2019-11-26 17:01:54,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:54,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:54,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:54,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:54,566 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:54,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-26 17:01:54,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac04ed8fc/0377da49de854a77bdfe31db722deead/FLAGeab5e39e0 [2019-11-26 17:01:55,430 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:55,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-26 17:01:55,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac04ed8fc/0377da49de854a77bdfe31db722deead/FLAGeab5e39e0 [2019-11-26 17:01:55,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac04ed8fc/0377da49de854a77bdfe31db722deead [2019-11-26 17:01:55,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:55,754 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:55,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:55,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:55,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:55,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:55" (1/1) ... [2019-11-26 17:01:55,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc6132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:55, skipping insertion in model container [2019-11-26 17:01:55,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:55" (1/1) ... [2019-11-26 17:01:55,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:55,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:56,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:56,186 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:56,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:56,319 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:56,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56 WrapperNode [2019-11-26 17:01:56,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:56,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:56,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:56,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:56,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:56,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:56,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:56,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:56,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:56" (1/1) ... [2019-11-26 17:01:56,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:56,470 INFO L168 Benchmark]: Toolchain (without parser) took 713.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.8 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:56,471 INFO L168 Benchmark]: CDTParser took 0.24 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 17:01:56,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:56,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.00 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:56,474 INFO L168 Benchmark]: Boogie Preprocessor took 56.04 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:56,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 555.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 88.00 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.04 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 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...