./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test14.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/test14.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 0ece3b781ca9ff96a4c645cda94cebcb70795c1b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test14.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 0ece3b781ca9ff96a4c645cda94cebcb70795c1b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:01:40,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:40,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:40,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:40,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:40,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:40,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:40,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:40,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:40,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:40,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:40,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:40,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:40,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:40,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:40,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:40,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:40,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:40,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:40,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:40,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:40,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:40,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:40,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:40,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:40,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:40,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:40,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:40,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:40,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:40,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:40,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:40,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:40,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:40,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:40,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:40,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:40,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:40,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:40,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:40,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:40,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:40,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:40,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:40,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:40,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:40,546 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:40,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:40,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:40,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:40,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:40,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:40,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:40,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:40,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:40,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:40,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:40,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:40,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:40,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:40,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:40,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:40,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:40,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:40,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:40,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:40,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:40,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:40,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:40,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:40,559 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 -> 0ece3b781ca9ff96a4c645cda94cebcb70795c1b [2019-11-26 17:01:41,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:41,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:41,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:41,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:41,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:41,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test14.c [2019-11-26 17:01:41,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035703f38/2e7cca314192415fb159c90b1efb538c/FLAG38fbfa16a [2019-11-26 17:01:42,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:42,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test14.c [2019-11-26 17:01:42,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035703f38/2e7cca314192415fb159c90b1efb538c/FLAG38fbfa16a [2019-11-26 17:01:42,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035703f38/2e7cca314192415fb159c90b1efb538c [2019-11-26 17:01:42,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:42,556 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:42,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:42,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:42,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:42,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:42" (1/1) ... [2019-11-26 17:01:42,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:42, skipping insertion in model container [2019-11-26 17:01:42,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:42" (1/1) ... [2019-11-26 17:01:42,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:42,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:43,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:43,117 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:43,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:43,199 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:43,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43 WrapperNode [2019-11-26 17:01:43,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:43,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:43,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:43,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:43,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:43,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:43,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:43,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:43,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:43,448 INFO L168 Benchmark]: Toolchain (without parser) took 877.74 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:43,455 INFO L168 Benchmark]: CDTParser took 0.82 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 17:01:43,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.48 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 17:01:43,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.52 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:43,465 INFO L168 Benchmark]: Boogie Preprocessor took 59.02 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:43,478 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 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 641.48 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 168.52 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.02 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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 17:01:47,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:47,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:47,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:47,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:47,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:47,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:47,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:47,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:47,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:47,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:47,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:47,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:47,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:47,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:47,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:47,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:47,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:47,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:47,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:47,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:47,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:47,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:47,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:47,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:47,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:47,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:47,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:47,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:47,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:47,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:47,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:47,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:47,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:47,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:47,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:47,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:47,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:47,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:47,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:47,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:47,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:47,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:47,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:47,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:47,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:47,633 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:47,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:47,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:47,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:47,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:47,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:47,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:47,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:47,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:47,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:47,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:47,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:47,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:47,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:47,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:47,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:47,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:47,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:47,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:47,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:47,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:47,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:47,647 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:47,648 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:47,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:47,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:47,651 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 -> 0ece3b781ca9ff96a4c645cda94cebcb70795c1b [2019-11-26 17:01:48,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:48,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:48,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:48,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:48,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:48,267 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test14.c [2019-11-26 17:01:48,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e3a9379/b08962b285804936abd38fe81e03f4b4/FLAG98d85dd8d [2019-11-26 17:01:49,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:49,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test14.c [2019-11-26 17:01:49,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e3a9379/b08962b285804936abd38fe81e03f4b4/FLAG98d85dd8d [2019-11-26 17:01:49,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e3a9379/b08962b285804936abd38fe81e03f4b4 [2019-11-26 17:01:49,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:49,711 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:49,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:49,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:49,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:49,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:49" (1/1) ... [2019-11-26 17:01:49,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f182920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:49, skipping insertion in model container [2019-11-26 17:01:49,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:49" (1/1) ... [2019-11-26 17:01:49,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:49,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:50,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:50,229 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:50,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:50,279 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:50,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50 WrapperNode [2019-11-26 17:01:50,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:50,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:50,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:50,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:50,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:50,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:50,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:50,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:50,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:50,570 INFO L168 Benchmark]: Toolchain (without parser) took 851.80 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:50,574 INFO L168 Benchmark]: CDTParser took 0.40 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 17:01:50,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.47 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 17:01:50,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:50,586 INFO L168 Benchmark]: Boogie Preprocessor took 88.17 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:50,602 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 565.47 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 183.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.17 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...