./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/fo_test.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/fo_test.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b89be727e1b941b152f4b6e505aae7e5221fdd7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/fo_test.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b89be727e1b941b152f4b6e505aae7e5221fdd7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:29,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:29,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:29,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:29,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:29,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:29,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:29,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:29,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:29,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:29,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:29,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:29,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:29,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:29,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:29,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:29,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:29,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:29,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:29,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:29,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:29,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:29,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:29,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:29,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:29,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:29,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:29,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:29,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:29,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:29,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:29,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:29,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:29,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:29,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:29,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:29,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:29,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:30,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:30,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:30,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:30,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:30,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:30,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:30,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:30,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:30,055 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:30,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:30,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:30,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:30,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:30,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:30,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:30,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:30,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:30,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:30,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:30,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:30,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:30,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:30,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:30,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:30,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:30,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:30,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:30,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:30,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:30,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:30,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:30,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:30,072 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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2019-11-27 16:10:30,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:30,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:30,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:30,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:30,755 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:30,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-27 16:10:30,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f8263b7a/cb2a95432ebd4ed0b12dbebb389d2191/FLAG5bf195948 [2019-11-27 16:10:32,128 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:32,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-27 16:10:32,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f8263b7a/cb2a95432ebd4ed0b12dbebb389d2191/FLAG5bf195948 [2019-11-27 16:10:32,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f8263b7a/cb2a95432ebd4ed0b12dbebb389d2191 [2019-11-27 16:10:32,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:32,230 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:32,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:32,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:32,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:32,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ef8e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32, skipping insertion in model container [2019-11-27 16:10:32,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:32,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:32,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:33,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:33,339 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:33,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:33,608 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:33,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33 WrapperNode [2019-11-27 16:10:33,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:33,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:33,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:33,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:33,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:33,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:33,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:33,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:33,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:33,822 INFO L168 Benchmark]: Toolchain (without parser) took 1580.91 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 972.3 MB in the end (delta: -4.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:33,833 INFO L168 Benchmark]: CDTParser took 3.14 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. [2019-11-27 16:10:33,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1378.35 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 978.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:33,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.74 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:33,842 INFO L168 Benchmark]: Boogie Preprocessor took 64.45 ms. Allocated memory is still 1.0 GB. Free memory is still 972.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:33,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.14 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 1378.35 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 978.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.74 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.45 ms. Allocated memory is still 1.0 GB. Free memory is still 972.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:37,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:37,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:37,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:37,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:37,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:37,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:37,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:37,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:37,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:37,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:37,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:37,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:37,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:37,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:37,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:37,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:37,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:37,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:37,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:37,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:37,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:37,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:37,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:37,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:37,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:37,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:37,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:37,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:37,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:37,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:37,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:37,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:37,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:37,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:37,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:37,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:37,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:37,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:37,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:37,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:37,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:37,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:37,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:37,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:37,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:37,923 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:37,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:37,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:37,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:37,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:37,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:37,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:37,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:37,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:37,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:37,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:37,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:37,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:37,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:37,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:37,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:37,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:37,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:37,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:37,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:37,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:37,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:37,938 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:37,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:37,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:37,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:37,942 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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2019-11-27 16:10:38,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:38,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:38,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:38,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:38,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:38,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-27 16:10:38,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ff17cb5/4f061844147844dcb87f58708231a3d9/FLAG262c0fa67 [2019-11-27 16:10:39,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:39,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-27 16:10:39,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ff17cb5/4f061844147844dcb87f58708231a3d9/FLAG262c0fa67 [2019-11-27 16:10:40,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ff17cb5/4f061844147844dcb87f58708231a3d9 [2019-11-27 16:10:40,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:40,025 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:40,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:40,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:40,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:40,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:40" (1/1) ... [2019-11-27 16:10:40,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e334930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:40, skipping insertion in model container [2019-11-27 16:10:40,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:40" (1/1) ... [2019-11-27 16:10:40,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:40,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:41,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:41,123 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:41,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:41,398 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:41,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41 WrapperNode [2019-11-27 16:10:41,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:41,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:41,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:41,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:41,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:41,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:41,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:41,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:41,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:41" (1/1) ... [2019-11-27 16:10:41,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:41,648 INFO L168 Benchmark]: Toolchain (without parser) took 1621.62 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:41,650 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 16:10:41,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1371.71 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:41,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.11 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:41,658 INFO L168 Benchmark]: Boogie Preprocessor took 86.45 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:41,679 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1371.71 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 153.11 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.45 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 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...