./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/float_int_inv_square.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/float_int_inv_square.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 3a552ed0b53624bc27612451ed4207d0101db39b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/float-benchs/float_int_inv_square.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 3a552ed0b53624bc27612451ed4207d0101db39b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:55,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:55,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:55,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:55,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:55,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:55,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:55,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:55,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:55,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:55,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:56,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:56,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:56,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:56,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:56,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:56,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:56,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:56,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:56,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:56,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:56,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:56,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:56,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:56,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:56,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:56,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:56,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:56,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:56,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:56,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:56,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:56,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:56,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:56,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:56,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:56,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:56,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:56,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:56,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:56,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:56,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:56,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:56,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:56,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:56,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:56,135 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:56,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:56,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:56,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:56,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:56,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:56,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:56,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:56,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:56,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:56,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:56,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:56,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:56,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:56,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:56,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:56,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:56,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:56,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:56,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:56,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:56,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:56,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:56,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:56,151 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 -> 3a552ed0b53624bc27612451ed4207d0101db39b [2019-11-26 16:57:56,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:56,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:56,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:56,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:56,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:56,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-26 16:57:56,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d54827c0/930ff8c3112c4478969f1d1d6163c5cf/FLAG3f72fe526 [2019-11-26 16:57:57,895 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:57,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-26 16:57:57,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d54827c0/930ff8c3112c4478969f1d1d6163c5cf/FLAG3f72fe526 [2019-11-26 16:57:57,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d54827c0/930ff8c3112c4478969f1d1d6163c5cf [2019-11-26 16:57:57,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:57,966 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:57,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:57,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:57,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:57,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:57,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:57, skipping insertion in model container [2019-11-26 16:57:57,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:57" (1/1) ... [2019-11-26 16:57:58,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:58,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:58,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:58,519 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:58,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:58,597 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:58,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58 WrapperNode [2019-11-26 16:57:58,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:58,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:58,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:58,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:58,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:58,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:58,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:58,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:58,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:58" (1/1) ... [2019-11-26 16:57:58,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:58,822 INFO L168 Benchmark]: Toolchain (without parser) took 844.71 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:58,824 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:58,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:58,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.59 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. [2019-11-26 16:57:58,840 INFO L168 Benchmark]: Boogie Preprocessor took 29.39 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:58,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 633.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 173.59 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 29.39 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:02,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:02,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:02,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:02,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:02,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:02,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:02,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:02,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:02,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:02,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:02,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:02,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:02,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:02,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:02,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:02,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:02,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:02,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:02,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:02,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:02,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:02,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:02,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:02,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:02,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:02,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:02,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:02,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:02,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:02,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:02,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:02,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:02,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:02,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:02,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:02,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:02,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:02,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:02,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:02,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:02,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:03,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:03,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:03,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:03,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:03,034 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:03,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:03,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:03,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:03,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:03,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:03,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:03,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:03,040 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:03,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:03,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:03,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:03,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:03,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:03,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:03,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:03,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:03,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:03,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:03,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:03,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:03,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:03,048 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:03,050 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:03,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:03,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:03,052 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 -> 3a552ed0b53624bc27612451ed4207d0101db39b [2019-11-26 16:58:03,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:03,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:03,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:03,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:03,605 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:03,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-26 16:58:03,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf69d1eb/da467a735ca84957bff8d121207c9c4e/FLAGd94db1271 [2019-11-26 16:58:04,747 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:04,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2019-11-26 16:58:04,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf69d1eb/da467a735ca84957bff8d121207c9c4e/FLAGd94db1271 [2019-11-26 16:58:04,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf69d1eb/da467a735ca84957bff8d121207c9c4e [2019-11-26 16:58:04,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:04,950 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:04,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:04,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:04,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:04,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:04,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5421ec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:04, skipping insertion in model container [2019-11-26 16:58:04,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:04" (1/1) ... [2019-11-26 16:58:05,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:05,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:05,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:05,515 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:05,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:05,595 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:05,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05 WrapperNode [2019-11-26 16:58:05,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:05,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:05,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:05,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:05,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:05,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:05,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:05,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:05,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:05" (1/1) ... [2019-11-26 16:58:05,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:05,841 INFO L168 Benchmark]: Toolchain (without parser) took 888.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:05,844 INFO L168 Benchmark]: CDTParser took 1.65 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:05,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.00 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:05,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:05,857 INFO L168 Benchmark]: Boogie Preprocessor took 68.24 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. [2019-11-26 16:58:05,868 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 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 642.00 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.24 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...