./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/trex02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/loops/trex02-2.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 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loops/trex02-2.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 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:50,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:50,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:50,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:50,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:50,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:50,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:50,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:50,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:50,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:50,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:50,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:50,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:50,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:50,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:50,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:50,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:50,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:50,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:50,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:50,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:50,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:50,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:50,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:50,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:50,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:50,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:50,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:50,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:50,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:50,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:50,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:50,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:50,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:50,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:50,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:50,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:50,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:50,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:50,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:50,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:50,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:51,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:51,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:51,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:51,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:51,028 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:51,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:51,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:51,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:51,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:51,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:51,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:51,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:51,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:51,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:51,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:51,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:51,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:51,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:51,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:51,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:51,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:51,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:51,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:51,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:51,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:51,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:51,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:51,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:51,045 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 -> 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90 [2019-11-27 16:12:51,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:51,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:51,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:51,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:51,704 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:51,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-2.c [2019-11-27 16:12:51,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a2eb58a/a19c4c4a551b4ddebea21e8e8ec08490/FLAG62c2d37ff [2019-11-27 16:12:52,908 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:52,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c [2019-11-27 16:12:52,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a2eb58a/a19c4c4a551b4ddebea21e8e8ec08490/FLAG62c2d37ff [2019-11-27 16:12:52,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a2eb58a/a19c4c4a551b4ddebea21e8e8ec08490 [2019-11-27 16:12:52,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:52,980 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:52,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:52,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:52,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:52,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:52" (1/1) ... [2019-11-27 16:12:53,007 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 27.11 04:12:52, skipping insertion in model container [2019-11-27 16:12:53,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:52" (1/1) ... [2019-11-27 16:12:53,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:53,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:53,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:53,506 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:53,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:53,589 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:53,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53 WrapperNode [2019-11-27 16:12:53,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:53,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:53,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:53,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:53,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:53,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:53,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:53,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:53,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:53,841 INFO L168 Benchmark]: Toolchain (without parser) took 851.95 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 996.8 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:53,843 INFO L168 Benchmark]: CDTParser took 0.33 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 16:12:53,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:53,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:53,853 INFO L168 Benchmark]: Boogie Preprocessor took 57.59 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:53,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 610.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 176.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.59 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. 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 0.1.24-509859d [2019-11-27 16:12:57,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:57,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:57,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:57,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:57,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:57,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:57,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:57,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:57,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:57,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:57,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:57,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:57,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:57,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:57,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:57,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:57,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:57,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:57,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:57,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:57,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:57,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:57,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:57,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:57,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:57,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:57,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:57,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:57,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:57,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:57,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:57,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:57,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:57,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:57,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:57,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:57,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:57,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:57,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:57,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:57,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:57,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:57,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:57,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:57,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:57,810 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:57,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:57,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:57,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:57,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:57,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:57,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:57,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:57,815 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:57,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:57,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:57,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:57,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:57,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:57,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:57,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:57,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:57,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:57,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:57,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:57,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:57,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:57,823 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:57,823 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:57,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:57,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:57,825 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 -> 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90 [2019-11-27 16:12:58,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:58,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:58,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:58,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:58,502 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:58,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-2.c [2019-11-27 16:12:58,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fbcfd60/74130d3df56b4856aa07a4e71e81cfd5/FLAGad3c66863 [2019-11-27 16:12:59,684 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:59,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c [2019-11-27 16:12:59,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fbcfd60/74130d3df56b4856aa07a4e71e81cfd5/FLAGad3c66863 [2019-11-27 16:12:59,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fbcfd60/74130d3df56b4856aa07a4e71e81cfd5 [2019-11-27 16:12:59,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:59,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:59,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:59,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:59,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:59,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:12:59,991 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 04:12:59, skipping insertion in model container [2019-11-27 16:12:59,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:59" (1/1) ... [2019-11-27 16:13:00,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:00,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:00,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:00,449 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:00,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:00,525 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:00,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00 WrapperNode [2019-11-27 16:13:00,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:00,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:00,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:00,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:00,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:00,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:00,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:00,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:00,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:00,742 INFO L168 Benchmark]: Toolchain (without parser) took 762.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:00,757 INFO L168 Benchmark]: CDTParser took 0.95 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 16:13:00,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.26 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 16:13:00,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:00,769 INFO L168 Benchmark]: Boogie Preprocessor took 33.39 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:00,781 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 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 551.26 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 171.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.39 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...