./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-25 22:53:38,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:38,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:38,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:38,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:38,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:38,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:38,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:38,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:38,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:38,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:38,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:38,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:38,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:38,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:38,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:38,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:38,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:38,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:38,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:38,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:38,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:38,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:38,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:38,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:38,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:38,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:38,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:38,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:38,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:38,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:38,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:38,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:38,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:38,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:38,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:38,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:38,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:38,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:38,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:38,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:38,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:38,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:38,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:38,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:38,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:38,365 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:38,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:38,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:38,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:38,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:38,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:38,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:38,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:38,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:38,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:38,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:38,371 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:38,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:38,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:38,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:38,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:38,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:38,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:38,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:38,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:38,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:38,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:38,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:38,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:38,379 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 [2019-11-25 22:53:38,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:38,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:38,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:38,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:38,970 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:38,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-25 22:53:39,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c548eedf/c24b06f5cb37423490605e71264eb560/FLAG6242119e0 [2019-11-25 22:53:40,390 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:40,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-25 22:53:40,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c548eedf/c24b06f5cb37423490605e71264eb560/FLAG6242119e0 [2019-11-25 22:53:40,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c548eedf/c24b06f5cb37423490605e71264eb560 [2019-11-25 22:53:40,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:40,483 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:40,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:40,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:40,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:40,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f933ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40, skipping insertion in model container [2019-11-25 22:53:40,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:40,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:41,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:41,630 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:41,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:41,915 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:41,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41 WrapperNode [2019-11-25 22:53:41,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:41,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:41,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:41,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:41,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:42,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:42,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:42,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:42,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:42,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:42,160 INFO L168 Benchmark]: Toolchain (without parser) took 1674.09 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 973.8 MB in the end (delta: -12.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:42,161 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-25 22:53:42,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1433.78 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 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:42,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.67 ms. Allocated memory is still 1.0 GB. Free memory was 979.5 MB in the beginning and 973.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:42,168 INFO L168 Benchmark]: Boogie Preprocessor took 85.32 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:42,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1433.78 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 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.67 ms. Allocated memory is still 1.0 GB. Free memory was 979.5 MB in the beginning and 973.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.32 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:53:46,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:46,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:46,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:46,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:46,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:46,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:46,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:46,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:46,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:46,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:46,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:46,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:46,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:46,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:46,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:46,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:46,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:46,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:46,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:46,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:46,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:46,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:46,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:46,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:46,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:46,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:46,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:46,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:46,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:46,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:46,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:46,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:46,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:46,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:46,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:46,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:46,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:46,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:46,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:46,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:46,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:53:46,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:46,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:46,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:46,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:46,270 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:46,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:46,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:46,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:46,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:46,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:46,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:46,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:46,273 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:53:46,274 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:53:46,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:46,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:46,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:46,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:46,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:46,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:46,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:46,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:46,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:46,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:46,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:46,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:46,283 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:53:46,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:53:46,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:46,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:53:46,285 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 [2019-11-25 22:53:46,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:46,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:46,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:46,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:46,962 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:46,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-25 22:53:47,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dc014d9/61212039a88b4b77b6feeace9842850d/FLAG3be50a4bd [2019-11-25 22:53:48,311 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:48,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/fo_test.i [2019-11-25 22:53:48,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dc014d9/61212039a88b4b77b6feeace9842850d/FLAG3be50a4bd [2019-11-25 22:53:48,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dc014d9/61212039a88b4b77b6feeace9842850d [2019-11-25 22:53:48,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:48,827 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:48,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:48,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:48,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:48,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:48" (1/1) ... [2019-11-25 22:53:48,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca1b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:48, skipping insertion in model container [2019-11-25 22:53:48,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:48" (1/1) ... [2019-11-25 22:53:48,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:48,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:49,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:49,967 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:50,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:50,245 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:50,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50 WrapperNode [2019-11-25 22:53:50,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:50,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:50,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:50,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:50,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:50,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:50,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:50,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:50,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:50" (1/1) ... [2019-11-25 22:53:50,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:50,494 INFO L168 Benchmark]: Toolchain (without parser) took 1651.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.8 MB in the end (delta: -12.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:50,496 INFO L168 Benchmark]: CDTParser took 0.35 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. [2019-11-25 22:53:50,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1414.93 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 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:50,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.15 ms. Allocated memory is still 1.0 GB. Free memory was 979.5 MB in the beginning and 973.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:50,504 INFO L168 Benchmark]: Boogie Preprocessor took 73.89 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:50,511 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1414.93 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 979.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 149.15 ms. Allocated memory is still 1.0 GB. Free memory was 979.5 MB in the beginning and 973.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.89 ms. Allocated memory is still 1.0 GB. Free memory is still 973.8 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...