./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test28-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test28-2.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 abfa11a491c166b78e1d0644316a3829704ada11 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test28-2.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 abfa11a491c166b78e1d0644316a3829704ada11 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:08,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:08,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:08,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:08,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:08,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:08,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:08,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:08,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:08,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:08,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:08,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:08,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:08,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:08,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:08,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:08,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:08,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:08,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:08,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:08,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:08,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:08,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:08,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:08,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:08,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:08,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:08,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:08,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:08,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:08,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:08,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:08,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:08,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:08,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:08,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:08,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:08,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:08,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:08,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:08,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:08,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:08,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:08,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:08,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:08,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:08,628 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:08,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:08,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:08,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:08,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:08,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:08,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:08,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:08,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:08,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:08,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:08,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:08,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:08,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:08,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:08,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:08,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:08,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:08,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:08,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:08,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:08,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:08,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:08,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:08,646 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 -> abfa11a491c166b78e1d0644316a3829704ada11 [2019-11-25 22:54:09,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:09,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:09,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:09,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:09,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:09,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test28-2.c [2019-11-25 22:54:09,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14609d294/0fe910fb5f154a13aa69cfc30b57c3b1/FLAGc372ed964 [2019-11-25 22:54:10,533 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:10,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test28-2.c [2019-11-25 22:54:10,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14609d294/0fe910fb5f154a13aa69cfc30b57c3b1/FLAGc372ed964 [2019-11-25 22:54:10,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14609d294/0fe910fb5f154a13aa69cfc30b57c3b1 [2019-11-25 22:54:10,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:10,603 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:10,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:10,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:10,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:10,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:10" (1/1) ... [2019-11-25 22:54:10,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dddb048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:10, skipping insertion in model container [2019-11-25 22:54:10,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:10" (1/1) ... [2019-11-25 22:54:10,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:10,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:11,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:11,159 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:11,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:11,234 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:11,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11 WrapperNode [2019-11-25 22:54:11,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:11,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:11,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:11,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:11,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:11,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:11,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:11,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:11,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:11,483 INFO L168 Benchmark]: Toolchain (without parser) took 862.55 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:11,485 INFO L168 Benchmark]: CDTParser took 4.00 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. [2019-11-25 22:54:11,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.54 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. [2019-11-25 22:54:11,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.82 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 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:11,496 INFO L168 Benchmark]: Boogie Preprocessor took 64.15 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. [2019-11-25 22:54:11,508 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.00 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 628.54 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 154.82 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 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.15 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 0.1.24-65d6cd2 [2019-11-25 22:54:15,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:15,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:15,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:15,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:15,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:15,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:15,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:15,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:15,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:15,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:15,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:15,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:15,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:15,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:15,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:15,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:15,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:15,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:15,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:15,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:15,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:15,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:15,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:15,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:15,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:15,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:15,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:15,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:15,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:15,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:15,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:15,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:15,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:15,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:15,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:15,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:15,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:15,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:15,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:15,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:15,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:15,632 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:15,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:15,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:15,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:15,639 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:15,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:15,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:15,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:15,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:15,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:15,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:15,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:15,646 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:15,647 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:15,647 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:15,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:15,648 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:15,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:15,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:15,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:15,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:15,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:15,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:15,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:15,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:15,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:15,653 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:15,656 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:15,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:15,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:15,658 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 -> abfa11a491c166b78e1d0644316a3829704ada11 [2019-11-25 22:54:16,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:16,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:16,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:16,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:16,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:16,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test28-2.c [2019-11-25 22:54:16,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ff8f4ff/be1792b917a44a8abb5c708d1deaf95c/FLAGbf6e22a28 [2019-11-25 22:54:17,467 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:17,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test28-2.c [2019-11-25 22:54:17,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ff8f4ff/be1792b917a44a8abb5c708d1deaf95c/FLAGbf6e22a28 [2019-11-25 22:54:17,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ff8f4ff/be1792b917a44a8abb5c708d1deaf95c [2019-11-25 22:54:17,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:17,537 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:17,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:17,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:17,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:17,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:17" (1/1) ... [2019-11-25 22:54:17,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22abccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:17, skipping insertion in model container [2019-11-25 22:54:17,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:17" (1/1) ... [2019-11-25 22:54:17,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:17,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:18,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:18,133 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:18,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:18,304 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:18,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18 WrapperNode [2019-11-25 22:54:18,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:18,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:18,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:18,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:18,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:18,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:18,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:18,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:18,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:18" (1/1) ... [2019-11-25 22:54:18,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:18,508 INFO L168 Benchmark]: Toolchain (without parser) took 965.44 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. [2019-11-25 22:54:18,510 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:18,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.39 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:18,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.74 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. [2019-11-25 22:54:18,519 INFO L168 Benchmark]: Boogie Preprocessor took 90.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-25 22:54:18,533 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 765.39 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 99.74 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. * Boogie Preprocessor took 90.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...