./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test09.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 424e992eac0acb5e0901287d22a3c0d4a0554aed ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/test09.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 424e992eac0acb5e0901287d22a3c0d4a0554aed .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:38,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:38,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:38,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:38,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:38,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:38,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:38,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:38,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:38,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:38,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:38,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:38,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:38,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:38,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:38,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:38,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:38,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:38,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:38,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:38,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:38,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:38,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:38,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:38,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:38,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:38,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:38,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:38,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:38,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:38,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:38,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:38,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:38,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:38,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:38,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:38,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:38,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:38,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:38,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:38,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:38,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:38,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:38,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:38,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:38,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:38,416 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:38,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:38,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:38,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:38,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:38,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:38,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:38,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:38,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:38,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:38,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:38,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:38,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:38,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:38,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:38,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:38,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:38,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:38,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:38,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:38,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:38,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:38,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:38,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:38,425 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 -> 424e992eac0acb5e0901287d22a3c0d4a0554aed [2019-11-26 17:01:38,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:38,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:38,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:38,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:38,840 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:38,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test09.c [2019-11-26 17:01:38,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68efdb6e0/a0bb2804959e4bc5aaa29f4528c73b36/FLAG9cabcc55f [2019-11-26 17:01:39,653 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:39,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test09.c [2019-11-26 17:01:39,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68efdb6e0/a0bb2804959e4bc5aaa29f4528c73b36/FLAG9cabcc55f [2019-11-26 17:01:39,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68efdb6e0/a0bb2804959e4bc5aaa29f4528c73b36 [2019-11-26 17:01:39,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:39,985 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:39,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:39,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:39,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:39,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:39" (1/1) ... [2019-11-26 17:01:40,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:39, skipping insertion in model container [2019-11-26 17:01:40,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:39" (1/1) ... [2019-11-26 17:01:40,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:40,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:40,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:40,332 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:40,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:40,362 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:40,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40 WrapperNode [2019-11-26 17:01:40,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:40,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:40,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:40,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:40,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:40,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:40,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:40,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:40,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:40" (1/1) ... [2019-11-26 17:01:40,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:40,555 INFO L168 Benchmark]: Toolchain (without parser) took 566.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:40,560 INFO L168 Benchmark]: CDTParser took 0.24 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 17:01:40,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.72 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:40,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:40,566 INFO L168 Benchmark]: Boogie Preprocessor took 57.28 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:40,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 372.72 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 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 127.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.28 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:43,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:43,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:43,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:43,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:43,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:43,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:43,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:43,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:43,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:43,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:43,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:43,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:43,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:43,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:43,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:43,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:43,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:43,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:43,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:43,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:43,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:43,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:43,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:43,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:43,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:43,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:43,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:43,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:43,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:43,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:43,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:43,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:43,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:43,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:43,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:43,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:43,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:43,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:43,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:43,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:43,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:43,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:43,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:43,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:43,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:43,498 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:43,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:43,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:43,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:43,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:43,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:43,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:43,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:43,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:43,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:43,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:43,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:43,504 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:43,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:43,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:43,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:43,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:43,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:43,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:43,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:43,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:43,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:43,508 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:43,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:43,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:43,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:43,510 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 -> 424e992eac0acb5e0901287d22a3c0d4a0554aed [2019-11-26 17:01:43,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:43,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:43,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:43,988 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:43,991 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:43,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test09.c [2019-11-26 17:01:44,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35271bb7c/e6f987cba8fe4ab4980c554d912ea3d9/FLAGe903aec6a [2019-11-26 17:01:44,813 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:44,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test09.c [2019-11-26 17:01:44,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35271bb7c/e6f987cba8fe4ab4980c554d912ea3d9/FLAGe903aec6a [2019-11-26 17:01:45,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35271bb7c/e6f987cba8fe4ab4980c554d912ea3d9 [2019-11-26 17:01:45,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:45,150 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:45,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:45,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:45,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:45,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45, skipping insertion in model container [2019-11-26 17:01:45,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:45,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:45,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:45,490 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:45,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:45,530 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:45,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45 WrapperNode [2019-11-26 17:01:45,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:45,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:45,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:45,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:45,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:45,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:45,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:45,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:45,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:45,734 INFO L168 Benchmark]: Toolchain (without parser) took 582.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.5 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:45,740 INFO L168 Benchmark]: CDTParser took 0.25 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 17:01:45,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:45,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 991.3 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:45,746 INFO L168 Benchmark]: Boogie Preprocessor took 68.99 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:45,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 379.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 124.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 991.3 MB in the end (delta: -42.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.99 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...