./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/while_infinite_loop_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/while_infinite_loop_2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac6fc95614e4af693eaa4f1b073012c44a5dd7d3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loops/while_infinite_loop_2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac6fc95614e4af693eaa4f1b073012c44a5dd7d3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:03:32,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:32,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:32,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:32,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:32,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:32,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:32,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:32,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:32,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:32,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:32,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:32,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:32,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:32,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:32,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:32,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:32,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:32,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:32,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:32,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:32,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:32,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:32,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:32,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:32,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:32,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:32,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:32,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:32,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:32,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:32,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:32,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:32,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:32,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:32,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:32,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:32,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:32,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:32,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:32,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:32,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:32,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:32,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:32,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:32,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:32,595 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:32,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:32,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:32,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:32,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:32,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:32,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:32,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:32,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:32,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:32,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:32,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:32,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:32,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:32,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:32,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:32,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:32,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:32,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:32,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:32,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:32,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:32,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:32,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:32,611 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 -> ac6fc95614e4af693eaa4f1b073012c44a5dd7d3 [2019-11-26 17:03:33,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:33,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:33,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:33,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:33,221 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:33,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/while_infinite_loop_2.c [2019-11-26 17:03:33,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5296424/5e56f49bd19740afab45f447b1fe1d50/FLAGcd90d0bde [2019-11-26 17:03:34,425 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:34,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_2.c [2019-11-26 17:03:34,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5296424/5e56f49bd19740afab45f447b1fe1d50/FLAGcd90d0bde [2019-11-26 17:03:34,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5296424/5e56f49bd19740afab45f447b1fe1d50 [2019-11-26 17:03:34,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:34,494 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:34,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:34,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:34,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:34,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:34" (1/1) ... [2019-11-26 17:03:34,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cd9645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:34, skipping insertion in model container [2019-11-26 17:03:34,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:34" (1/1) ... [2019-11-26 17:03:34,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:34,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:34,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:34,964 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:34,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:35,012 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:35,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35 WrapperNode [2019-11-26 17:03:35,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:35,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:35,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:35,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:35,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:35,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:35,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:35,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:35,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:35" (1/1) ... [2019-11-26 17:03:35,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:35,237 INFO L168 Benchmark]: Toolchain (without parser) took 740.58 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 996.8 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:35,239 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:35,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.30 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:35,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:35,261 INFO L168 Benchmark]: Boogie Preprocessor took 37.37 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:35,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 523.30 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.37 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 0.1.24-025d5a2 [2019-11-26 17:03:39,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:39,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:39,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:39,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:39,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:39,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:39,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:39,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:39,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:39,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:39,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:39,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:39,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:39,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:39,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:39,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:39,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:39,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:39,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:39,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:39,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:39,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:39,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:39,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:39,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:39,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:39,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:39,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:39,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:39,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:39,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:39,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:39,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:39,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:39,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:39,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:39,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:39,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:39,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:39,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:39,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:39,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:39,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:39,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:39,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:39,376 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:39,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:39,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:39,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:39,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:39,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:39,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:39,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:39,381 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:39,382 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:39,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:39,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:39,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:39,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:39,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:39,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:39,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:39,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:39,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:39,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:39,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:39,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:39,389 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:39,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:39,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:39,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:39,393 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 -> ac6fc95614e4af693eaa4f1b073012c44a5dd7d3 [2019-11-26 17:03:39,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:39,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:39,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:39,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:39,939 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:39,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/while_infinite_loop_2.c [2019-11-26 17:03:40,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc6849aa/bc6b8937345747a29f5516c31110e448/FLAG7ad681511 [2019-11-26 17:03:41,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:41,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_2.c [2019-11-26 17:03:41,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc6849aa/bc6b8937345747a29f5516c31110e448/FLAG7ad681511 [2019-11-26 17:03:41,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc6849aa/bc6b8937345747a29f5516c31110e448 [2019-11-26 17:03:41,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:41,247 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:41,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:41,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:41,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:41,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:41,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41, skipping insertion in model container [2019-11-26 17:03:41,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:41,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:41,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:41,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:41,754 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:41,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:41,807 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:41,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41 WrapperNode [2019-11-26 17:03:41,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:41,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:41,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:41,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:41,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:41,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:41,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:41,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:41,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:41,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:42,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:42,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:42,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:42,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:42,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:42,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:42,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:41" (1/1) ... [2019-11-26 17:03:42,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:42,047 INFO L168 Benchmark]: Toolchain (without parser) took 792.75 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:42,049 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:42,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.77 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:42,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:42,057 INFO L168 Benchmark]: Boogie Preprocessor took 57.72 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:42,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 557.77 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.72 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...