./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/phases_1-1.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/loop-acceleration/phases_1-1.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 4e01e17e388e5f82fac906dfd87d9bb3456f878f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-acceleration/phases_1-1.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 4e01e17e388e5f82fac906dfd87d9bb3456f878f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:13:06,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:06,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:06,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:06,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:06,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:06,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:06,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:06,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:06,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:06,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:06,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:06,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:06,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:06,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:06,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:06,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:06,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:06,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:06,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:06,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:06,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:06,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:06,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:06,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:06,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:06,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:06,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:06,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:06,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:06,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:06,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:06,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:06,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:06,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:06,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:06,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:06,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:06,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:06,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:06,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:06,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:06,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:06,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:06,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:06,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:06,987 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:06,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:06,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:06,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:06,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:06,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:06,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:06,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:06,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:06,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:06,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:06,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:06,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:06,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:06,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:06,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:06,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:06,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:06,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:07,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:07,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:07,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:07,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:07,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:07,002 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 -> 4e01e17e388e5f82fac906dfd87d9bb3456f878f [2019-11-27 16:13:07,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:07,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:07,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:07,579 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:07,583 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:07,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/phases_1-1.c [2019-11-27 16:13:07,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af522a553/7c6534d1eda044db8c0197a0fa88e5b1/FLAG167ad0543 [2019-11-27 16:13:08,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:08,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/phases_1-1.c [2019-11-27 16:13:08,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af522a553/7c6534d1eda044db8c0197a0fa88e5b1/FLAG167ad0543 [2019-11-27 16:13:08,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af522a553/7c6534d1eda044db8c0197a0fa88e5b1 [2019-11-27 16:13:08,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:08,811 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:08,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:08,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:08,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:08,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:08, skipping insertion in model container [2019-11-27 16:13:08,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:08" (1/1) ... [2019-11-27 16:13:08,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:08,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:09,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:09,351 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:09,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:09,424 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:09,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09 WrapperNode [2019-11-27 16:13:09,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:09,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:09,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:09,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:09,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:09,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:09,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:09,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:09,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:09" (1/1) ... [2019-11-27 16:13:09,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:09,650 INFO L168 Benchmark]: Toolchain (without parser) took 820.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:09,652 INFO L168 Benchmark]: CDTParser took 0.41 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 16:13:09,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.69 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 16:13:09,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:09,663 INFO L168 Benchmark]: Boogie Preprocessor took 34.09 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:09,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 618.69 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 162.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.09 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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 0.1.24-509859d [2019-11-27 16:13:13,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:13,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:13,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:13,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:13,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:13,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:13,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:13,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:13,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:13,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:13,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:13,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:13,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:13,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:13,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:13,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:13,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:13,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:13,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:13,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:13,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:13,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:13,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:13,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:13,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:13,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:13,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:13,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:13,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:13,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:13,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:13,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:13,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:13,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:13,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:13,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:13,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:13,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:13,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:13,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:13,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:13,777 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:13,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:13,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:13,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:13,784 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:13,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:13,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:13,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:13,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:13,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:13,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:13,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:13,789 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:13,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:13,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:13,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:13,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:13,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:13,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:13,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:13,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:13,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:13,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:13,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:13,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:13,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:13,798 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:13,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:13,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:13,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:13,803 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 -> 4e01e17e388e5f82fac906dfd87d9bb3456f878f [2019-11-27 16:13:14,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:14,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:14,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:14,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:14,393 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:14,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/phases_1-1.c [2019-11-27 16:13:14,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68892e74/bbd807915100450192e07567b9193bf2/FLAG7ae1e02bd [2019-11-27 16:13:15,584 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:15,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/phases_1-1.c [2019-11-27 16:13:15,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68892e74/bbd807915100450192e07567b9193bf2/FLAG7ae1e02bd [2019-11-27 16:13:15,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68892e74/bbd807915100450192e07567b9193bf2 [2019-11-27 16:13:15,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:15,885 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:15,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:15,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:15,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:15,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:15, skipping insertion in model container [2019-11-27 16:13:15,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:15" (1/1) ... [2019-11-27 16:13:15,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:15,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:16,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:16,433 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:16,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:16,509 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:16,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16 WrapperNode [2019-11-27 16:13:16,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:16,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:16,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:16,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:16,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:16,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:16,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:16,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:16,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:16" (1/1) ... [2019-11-27 16:13:16,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:16,759 INFO L168 Benchmark]: Toolchain (without parser) took 869.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:16,761 INFO L168 Benchmark]: CDTParser took 0.42 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 16:13:16,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.10 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 16:13:16,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.57 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:16,771 INFO L168 Benchmark]: Boogie Preprocessor took 61.80 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:16,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 626.10 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 171.57 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.80 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...