./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/test07.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 3fb4305112f4412dd538a0b9d1d1441504f2d55d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/test07.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 3fb4305112f4412dd538a0b9d1d1441504f2d55d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:54,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:54,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:54,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:54,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:54,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:54,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:54,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:54,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:54,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:54,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:54,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:54,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:54,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:54,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:54,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:54,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:54,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:54,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:54,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:54,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:54,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:54,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:54,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:54,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:54,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:54,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:54,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:54,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:54,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:54,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:54,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:54,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:54,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:54,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:54,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:54,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:54,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:54,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:54,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:54,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:54,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:54,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:54,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:54,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:54,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:54,533 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:54,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:54,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:54,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:54,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:54,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:54,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:54,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:54,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:54,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:54,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:54,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:54,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:54,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:54,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:54,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:54,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:54,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:54,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:54,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:54,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:54,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:54,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:54,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:54,542 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 -> 3fb4305112f4412dd538a0b9d1d1441504f2d55d [2019-11-27 09:48:54,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:55,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:55,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:55,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:55,034 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:55,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 09:48:55,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59efbbad/c312c170ebdc4e519a64262ad6dc2d5c/FLAG9d12205e5 [2019-11-27 09:48:55,857 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:55,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 09:48:55,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59efbbad/c312c170ebdc4e519a64262ad6dc2d5c/FLAG9d12205e5 [2019-11-27 09:48:56,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59efbbad/c312c170ebdc4e519a64262ad6dc2d5c [2019-11-27 09:48:56,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:56,203 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:56,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:56,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:56,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:56,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,221 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 27.11 09:48:56, skipping insertion in model container [2019-11-27 09:48:56,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:56,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:56,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:56,604 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:56,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:56,663 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:56,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56 WrapperNode [2019-11-27 09:48:56,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:56,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:56,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:56,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:56,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:56,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:56,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:56,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:56,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:56" (1/1) ... [2019-11-27 09:48:56,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:56,852 INFO L168 Benchmark]: Toolchain (without parser) took 648.68 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 989.8 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:56,857 INFO L168 Benchmark]: CDTParser took 3.37 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. [2019-11-27 09:48:56,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.76 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 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. [2019-11-27 09:48:56,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.59 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 995.5 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:56,871 INFO L168 Benchmark]: Boogie Preprocessor took 54.34 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:56,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.37 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 465.76 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 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 124.59 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 995.5 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.34 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 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-da95e15 [2019-11-27 09:48:59,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:59,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:59,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:59,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:59,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:59,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:59,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:59,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:59,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:59,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:59,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:59,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:59,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:59,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:59,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:59,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:59,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:59,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:59,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:59,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:59,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:59,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:59,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:59,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:59,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:59,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:59,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:59,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:59,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:59,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:59,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:59,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:59,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:59,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:59,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:59,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:59,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:59,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:59,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:59,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:59,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:59,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:59,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:59,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:59,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:59,714 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:59,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:59,714 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:59,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:59,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:59,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:59,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:59,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:59,718 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:59,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:59,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:59,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:59,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:59,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:59,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:59,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:59,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:59,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:59,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:59,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:59,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:59,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:59,723 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:59,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:59,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:59,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:59,725 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 -> 3fb4305112f4412dd538a0b9d1d1441504f2d55d [2019-11-27 09:49:00,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:00,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:00,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:00,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:00,250 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:00,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 09:49:00,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0457849db/e71eb8985f5d4156b3d28f0ff1b628c3/FLAG03764ceff [2019-11-27 09:49:01,058 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:01,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 09:49:01,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0457849db/e71eb8985f5d4156b3d28f0ff1b628c3/FLAG03764ceff [2019-11-27 09:49:01,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0457849db/e71eb8985f5d4156b3d28f0ff1b628c3 [2019-11-27 09:49:01,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:01,404 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:01,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:01,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:01,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:01,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01, skipping insertion in model container [2019-11-27 09:49:01,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:01,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:01,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:01,760 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:01,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:01,861 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:01,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01 WrapperNode [2019-11-27 09:49:01,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:01,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:01,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:01,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:01,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:01,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:01,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:01,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:01,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:01,995 INFO L168 Benchmark]: Toolchain (without parser) took 593.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 985.5 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:02,012 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-11-27 09:49:02,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:02,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.57 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:02,017 INFO L168 Benchmark]: Boogie Preprocessor took 56.67 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. [2019-11-27 09:49:02,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 456.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 65.57 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.67 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...