./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/square_4.i -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 fddb92276d9c39d57f5b99be31dfd08cb5ab054d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/floats-cdfpl/square_4.i -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 fddb92276d9c39d57f5b99be31dfd08cb5ab054d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:34,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:34,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:34,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:34,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:34,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:34,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:34,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:34,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:34,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:34,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:34,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:34,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:34,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:34,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:34,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:34,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:34,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:34,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:34,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:34,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:34,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:34,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:34,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:34,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:34,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:34,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:34,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:34,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:34,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:34,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:34,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:34,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:34,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:34,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:34,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:34,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:34,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:34,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:34,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:34,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:34,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:34,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:34,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:34,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:34,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:34,797 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:34,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:34,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:34,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:34,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:34,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:34,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:34,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:34,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:34,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:34,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:34,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:34,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:34,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:34,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:34,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:34,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:34,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:34,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:34,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:34,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:34,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:34,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:34,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:34,813 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 -> fddb92276d9c39d57f5b99be31dfd08cb5ab054d [2019-11-27 09:44:35,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:35,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:35,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:35,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:35,429 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:35,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_4.i [2019-11-27 09:44:35,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3ff7c4e/3adf072fa56f4b8d9a5ff8c929b5b51b/FLAG7c153c7e3 [2019-11-27 09:44:36,638 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:36,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_4.i [2019-11-27 09:44:36,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3ff7c4e/3adf072fa56f4b8d9a5ff8c929b5b51b/FLAG7c153c7e3 [2019-11-27 09:44:36,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3ff7c4e/3adf072fa56f4b8d9a5ff8c929b5b51b [2019-11-27 09:44:36,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:36,708 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:36,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:36,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:36,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:36,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:36" (1/1) ... [2019-11-27 09:44:36,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12219ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:36, skipping insertion in model container [2019-11-27 09:44:36,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:36" (1/1) ... [2019-11-27 09:44:36,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:36,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:37,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:37,245 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:37,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:37,338 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:37,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37 WrapperNode [2019-11-27 09:44:37,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:37,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:37,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:37,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:37,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:37,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:37,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:37,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:37,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:37,589 INFO L168 Benchmark]: Toolchain (without parser) took 874.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:37,591 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:37,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.06 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 09:44:37,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:37,598 INFO L168 Benchmark]: Boogie Preprocessor took 52.25 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:37,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 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 636.06 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 177.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.25 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:41,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:41,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:41,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:41,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:41,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:41,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:41,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:41,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:41,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:41,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:41,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:41,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:41,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:41,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:41,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:41,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:41,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:41,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:41,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:41,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:41,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:41,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:41,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:41,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:41,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:41,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:41,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:41,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:41,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:41,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:41,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:41,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:41,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:41,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:41,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:41,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:41,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:41,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:41,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:41,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:41,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:41,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:41,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:41,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:41,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:41,719 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:41,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:41,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:41,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:41,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:41,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:41,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:41,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:41,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:41,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:41,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:41,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:41,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:41,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:41,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:41,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:41,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:41,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:41,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:41,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:41,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:41,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:41,734 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:41,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:41,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:41,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:41,738 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 -> fddb92276d9c39d57f5b99be31dfd08cb5ab054d [2019-11-27 09:44:42,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:42,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:42,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:42,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:42,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:42,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_4.i [2019-11-27 09:44:42,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd05b592a/187895427bb24805a7c355f96a2a3329/FLAGa88fd496b [2019-11-27 09:44:43,536 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:43,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_4.i [2019-11-27 09:44:43,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd05b592a/187895427bb24805a7c355f96a2a3329/FLAGa88fd496b [2019-11-27 09:44:43,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd05b592a/187895427bb24805a7c355f96a2a3329 [2019-11-27 09:44:43,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:43,604 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:43,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:43,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:43,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:43,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:43" (1/1) ... [2019-11-27 09:44:43,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a57d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:43, skipping insertion in model container [2019-11-27 09:44:43,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:43" (1/1) ... [2019-11-27 09:44:43,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:43,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:44,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:44,133 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:44,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:44,209 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:44,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44 WrapperNode [2019-11-27 09:44:44,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:44,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:44,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:44,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:44,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:44,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:44,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:44,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:44,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:44,462 INFO L168 Benchmark]: Toolchain (without parser) took 847.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:44,475 INFO L168 Benchmark]: CDTParser took 3.55 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:44,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.61 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:44,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:44,483 INFO L168 Benchmark]: Boogie Preprocessor took 56.76 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 09:44:44,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.55 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 601.61 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 173.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.76 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...