./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_1.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 9b4984d971b5a5a3b565edf502e7d7464558f166 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1.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 9b4984d971b5a5a3b565edf502e7d7464558f166 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:49:31,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:32,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:32,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:32,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:32,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:32,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:32,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:32,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:32,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:32,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:32,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:32,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:32,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:32,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:32,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:32,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:32,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:32,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:32,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:32,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:32,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:32,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:32,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:32,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:32,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:32,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:32,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:32,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:32,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:32,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:32,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:32,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:32,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:32,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:32,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:32,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:32,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:32,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:32,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:32,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:32,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:49:32,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:32,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:32,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:32,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:32,224 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:32,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:32,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:32,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:49:32,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:32,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:32,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:32,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:32,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:32,232 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:32,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:32,232 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:32,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:32,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:32,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:32,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:32,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:32,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:32,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:32,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:32,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:32,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:49:32,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:49:32,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:32,240 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 -> 9b4984d971b5a5a3b565edf502e7d7464558f166 [2019-11-25 22:49:32,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:32,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:32,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:32,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:32,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:32,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_1.i [2019-11-25 22:49:33,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb4ad9cd/9c4db5b5e6814727a33c5253a25cd702/FLAG29442b650 [2019-11-25 22:49:34,033 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:34,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_1.i [2019-11-25 22:49:34,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb4ad9cd/9c4db5b5e6814727a33c5253a25cd702/FLAG29442b650 [2019-11-25 22:49:34,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb4ad9cd/9c4db5b5e6814727a33c5253a25cd702 [2019-11-25 22:49:34,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:34,100 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:34,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:34,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:34,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:34,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1041276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34, skipping insertion in model container [2019-11-25 22:49:34,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:34,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:34,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:34,648 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:34,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:34,728 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:34,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34 WrapperNode [2019-11-25 22:49:34,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:34,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:34,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:34,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:34,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:34,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:34,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:34,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:34,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:34,977 INFO L168 Benchmark]: Toolchain (without parser) took 869.07 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. [2019-11-25 22:49:34,979 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-25 22:49:34,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.90 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. [2019-11-25 22:49:34,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.28 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. [2019-11-25 22:49:34,989 INFO L168 Benchmark]: Boogie Preprocessor took 52.54 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. [2019-11-25 22:49:34,999 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 627.90 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 180.28 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 52.54 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 0.1.24-65d6cd2 [2019-11-25 22:49:38,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:38,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:38,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:38,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:38,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:38,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:38,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:38,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:38,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:38,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:38,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:38,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:38,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:38,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:38,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:38,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:38,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:38,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:38,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:38,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:38,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:38,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:38,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:38,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:38,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:38,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:39,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:39,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:39,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:39,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:39,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:39,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:39,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:39,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:39,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:39,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:39,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:39,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:39,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:39,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:39,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:49:39,068 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:39,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:39,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:39,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:39,075 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:39,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:39,076 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:39,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:39,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:39,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:39,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:39,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:39,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:49:39,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:49:39,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:39,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:39,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:39,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:39,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:39,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:39,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:39,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:39,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:39,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:39,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:39,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:39,088 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:49:39,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:49:39,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:39,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:49:39,092 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 -> 9b4984d971b5a5a3b565edf502e7d7464558f166 [2019-11-25 22:49:39,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:39,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:39,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:39,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:39,676 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:39,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_1.i [2019-11-25 22:49:39,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028109e0c/2c8f8afdb10443cd94b8b7af32d49e2b/FLAG107e46a94 [2019-11-25 22:49:40,856 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:40,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_1.i [2019-11-25 22:49:40,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028109e0c/2c8f8afdb10443cd94b8b7af32d49e2b/FLAG107e46a94 [2019-11-25 22:49:40,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028109e0c/2c8f8afdb10443cd94b8b7af32d49e2b [2019-11-25 22:49:40,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:40,924 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:40,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:40,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:40,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:40,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:40" (1/1) ... [2019-11-25 22:49:40,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a729642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:40, skipping insertion in model container [2019-11-25 22:49:40,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:40" (1/1) ... [2019-11-25 22:49:40,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:41,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:41,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:41,508 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:41,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:41,592 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:41,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41 WrapperNode [2019-11-25 22:49:41,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:41,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:41,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:41,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:41,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:41,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:41,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:41,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:41,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:41,865 INFO L168 Benchmark]: Toolchain (without parser) took 927.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:41,873 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-25 22:49:41,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.75 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:41,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:41,884 INFO L168 Benchmark]: Boogie Preprocessor took 62.38 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. [2019-11-25 22:49:41,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 662.75 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 185.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.38 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...