./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/bresenham.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/nla-digbench/bresenham.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 bd017c0d891b53cea633ac39024b10ee019382be ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/nla-digbench/bresenham.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 bd017c0d891b53cea633ac39024b10ee019382be ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:05:06,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:06,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:06,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:06,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:06,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:06,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:06,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:06,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:06,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:06,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:06,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:06,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:06,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:06,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:06,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:06,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:06,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:06,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:06,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:06,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:06,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:06,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:06,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:06,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:06,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:06,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:06,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:06,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:06,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:06,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:06,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:06,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:06,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:06,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:06,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:06,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:06,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:06,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:06,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:06,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:06,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:07,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:07,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:07,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:07,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:07,007 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:07,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:07,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:07,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:07,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:07,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:07,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:07,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:07,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:07,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:07,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:07,017 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:07,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:07,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:07,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:07,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:07,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:07,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:07,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:07,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:07,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:07,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:07,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:07,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:07,023 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 -> bd017c0d891b53cea633ac39024b10ee019382be [2019-11-26 17:05:07,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:07,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:07,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:07,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:07,614 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:07,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/bresenham.c [2019-11-26 17:05:07,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f65a0a0/16e74b6999f544308445e309c1b5518c/FLAG7e37acab4 [2019-11-26 17:05:08,824 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:08,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/bresenham.c [2019-11-26 17:05:08,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f65a0a0/16e74b6999f544308445e309c1b5518c/FLAG7e37acab4 [2019-11-26 17:05:08,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f65a0a0/16e74b6999f544308445e309c1b5518c [2019-11-26 17:05:08,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:08,897 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:08,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:08,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:08,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:08,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:08" (1/1) ... [2019-11-26 17:05:08,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:08, skipping insertion in model container [2019-11-26 17:05:08,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:08" (1/1) ... [2019-11-26 17:05:08,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:08,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:09,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:09,341 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:09,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:09,394 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:09,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09 WrapperNode [2019-11-26 17:05:09,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:09,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:09,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:09,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:09,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:09,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:09,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:09,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:09,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:09,644 INFO L168 Benchmark]: Toolchain (without parser) took 734.17 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 991.0 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:09,645 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:09,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.20 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:09,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.7 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:09,655 INFO L168 Benchmark]: Boogie Preprocessor took 57.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:09,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 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 497.20 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 169.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.7 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 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 17:05:13,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:13,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:13,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:13,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:13,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:13,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:13,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:13,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:13,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:13,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:13,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:13,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:13,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:13,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:13,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:13,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:13,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:13,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:13,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:13,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:13,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:13,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:13,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:13,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:13,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:13,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:13,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:13,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:13,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:13,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:13,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:13,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:13,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:13,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:13,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:13,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:13,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:13,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:13,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:13,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:13,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:13,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:13,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:13,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:13,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:13,614 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:13,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:13,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:13,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:13,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:13,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:13,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:13,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:13,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:13,621 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:13,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:13,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:13,622 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:13,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:13,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:13,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:13,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:13,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:13,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:13,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:13,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:13,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:13,627 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:13,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:13,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:13,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:13,631 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 -> bd017c0d891b53cea633ac39024b10ee019382be [2019-11-26 17:05:14,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:14,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:14,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:14,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:14,298 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:14,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/bresenham.c [2019-11-26 17:05:14,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea4b9bb3/d65ca613fdb24ca4aee512cd6d69907b/FLAG4eed4451e [2019-11-26 17:05:15,474 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:15,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/bresenham.c [2019-11-26 17:05:15,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea4b9bb3/d65ca613fdb24ca4aee512cd6d69907b/FLAG4eed4451e [2019-11-26 17:05:15,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea4b9bb3/d65ca613fdb24ca4aee512cd6d69907b [2019-11-26 17:05:15,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:15,546 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:15,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:15,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:15,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:15,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:15,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:15, skipping insertion in model container [2019-11-26 17:05:15,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:15,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:15,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:16,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,090 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:16,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,178 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:16,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16 WrapperNode [2019-11-26 17:05:16,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:16,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:16,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:16,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:16,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:16,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,466 INFO L168 Benchmark]: Toolchain (without parser) took 911.15 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 17:05:16,467 INFO L168 Benchmark]: CDTParser took 4.49 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 17:05:16,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.34 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:16,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:16,474 INFO L168 Benchmark]: Boogie Preprocessor took 80.67 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 17:05:16,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.49 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 627.34 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.67 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...