./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_1-2.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/loop-acceleration/simple_1-2.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 0b1c45895ad4792b73f5535c755d7825e6a65c14 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/simple_1-2.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 0b1c45895ad4792b73f5535c755d7825e6a65c14 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:08,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:08,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:08,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:08,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:08,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:08,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:08,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:08,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:08,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:08,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:08,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:08,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:08,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:08,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:08,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:08,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:08,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:08,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:08,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:08,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:08,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:08,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:08,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:08,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:08,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:08,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:08,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:08,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:08,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:08,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:08,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:08,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:08,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:08,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:08,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:08,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:08,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:08,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:08,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:08,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:08,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:08,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:08,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:08,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:08,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:08,810 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:08,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:08,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:08,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:08,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:08,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:08,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:08,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:08,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:08,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:08,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:08,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:08,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:08,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:08,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:08,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:08,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:08,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:08,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:08,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:08,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:08,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:08,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:08,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:08,824 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 -> 0b1c45895ad4792b73f5535c755d7825e6a65c14 [2019-11-27 16:13:09,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:09,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:09,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:09,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:09,406 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:09,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-27 16:13:09,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357cff990/becf65ead2db4a1baf2aca8aa28c9544/FLAG594258901 [2019-11-27 16:13:10,604 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:10,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-27 16:13:10,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357cff990/becf65ead2db4a1baf2aca8aa28c9544/FLAG594258901 [2019-11-27 16:13:10,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357cff990/becf65ead2db4a1baf2aca8aa28c9544 [2019-11-27 16:13:10,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:10,677 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:10,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:10,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:10,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:10,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:10" (1/1) ... [2019-11-27 16:13:10,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc55fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:10, skipping insertion in model container [2019-11-27 16:13:10,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:10" (1/1) ... [2019-11-27 16:13:10,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:10,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:11,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:11,211 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:11,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:11,265 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:11,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11 WrapperNode [2019-11-27 16:13:11,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:11,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:11,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:11,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:11,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:11,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:11,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:11,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:11,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:11,504 INFO L168 Benchmark]: Toolchain (without parser) took 824.61 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 16:13:11,509 INFO L168 Benchmark]: CDTParser took 1.43 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 16:13:11,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.96 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 16:13:11,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.12 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 16:13:11,530 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 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 16:13:11,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 593.96 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 166.12 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 48.19 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 16:13:15,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:15,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:15,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:15,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:15,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:15,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:15,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:15,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:15,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:15,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:15,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:15,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:15,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:15,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:15,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:15,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:15,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:15,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:15,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:15,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:15,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:15,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:15,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:15,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:15,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:15,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:15,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:15,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:15,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:15,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:15,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:15,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:15,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:15,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:15,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:15,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:15,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:15,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:15,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:15,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:15,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:15,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:15,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:15,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:15,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:15,616 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:15,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:15,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:15,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:15,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:15,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:15,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:15,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:15,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:15,624 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:15,624 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:15,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:15,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:15,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:15,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:15,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:15,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:15,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:15,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:15,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:15,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:15,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:15,630 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:15,633 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:15,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:15,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:15,636 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 -> 0b1c45895ad4792b73f5535c755d7825e6a65c14 [2019-11-27 16:13:16,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:16,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:16,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:16,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:16,252 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:16,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-27 16:13:16,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80aee7408/4e72fa154ef042a5a2e9dce7f4bd5fcb/FLAGe5b99527a [2019-11-27 16:13:17,466 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:17,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_1-2.c [2019-11-27 16:13:17,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80aee7408/4e72fa154ef042a5a2e9dce7f4bd5fcb/FLAGe5b99527a [2019-11-27 16:13:17,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80aee7408/4e72fa154ef042a5a2e9dce7f4bd5fcb [2019-11-27 16:13:17,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:17,537 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:17,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:17,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:17,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:17,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:17" (1/1) ... [2019-11-27 16:13:17,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:17, skipping insertion in model container [2019-11-27 16:13:17,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:17" (1/1) ... [2019-11-27 16:13:17,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:17,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:18,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:18,050 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:18,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:18,127 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:18,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18 WrapperNode [2019-11-27 16:13:18,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:18,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:18,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:18,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:18,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:18,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:18,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:18,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:18,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:18,357 INFO L168 Benchmark]: Toolchain (without parser) took 815.03 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 16:13:18,361 INFO L168 Benchmark]: CDTParser took 3.64 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 16:13:18,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.30 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 16:13:18,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.86 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 16:13:18,370 INFO L168 Benchmark]: Boogie Preprocessor took 56.72 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 16:13:18,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.64 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 591.30 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 156.86 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 56.72 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...