./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float5.c --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-cbmc-regression/float5.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 e03384737e8763104139cfd338bec2bd1e3e90b2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-cbmc-regression/float5.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 e03384737e8763104139cfd338bec2bd1e3e90b2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:44:49,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:49,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:49,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:49,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:50,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:50,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:50,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:50,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:50,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:50,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:50,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:50,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:50,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:50,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:50,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:50,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:50,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:50,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:50,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:50,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:50,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:50,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:50,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:50,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:50,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:50,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:50,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:50,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:50,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:50,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:50,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:50,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:50,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:50,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:50,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:50,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:50,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:50,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:50,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:50,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:50,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:50,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:50,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:50,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:50,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:50,206 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:50,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:50,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:50,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:50,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:50,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:50,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:50,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:50,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:50,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:50,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:50,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:50,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:50,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:50,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:50,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:50,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:50,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:50,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:50,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:50,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:50,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:50,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:50,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:50,222 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 -> e03384737e8763104139cfd338bec2bd1e3e90b2 [2019-11-27 09:44:50,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:50,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:50,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:50,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:50,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:50,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float5.c [2019-11-27 09:44:50,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a62fbc22/de71dc8785724dc6ba506a5e6420e6de/FLAG1d376f8f5 [2019-11-27 09:44:52,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:52,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float5.c [2019-11-27 09:44:52,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a62fbc22/de71dc8785724dc6ba506a5e6420e6de/FLAG1d376f8f5 [2019-11-27 09:44:52,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a62fbc22/de71dc8785724dc6ba506a5e6420e6de [2019-11-27 09:44:52,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:52,135 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:52,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:52,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:52,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:52,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3840934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52, skipping insertion in model container [2019-11-27 09:44:52,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:52,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:52,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:52,664 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:52,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:52,733 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:52,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52 WrapperNode [2019-11-27 09:44:52,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:52,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:52,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:52,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:52,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:52,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:52,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:52,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:52,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:52" (1/1) ... [2019-11-27 09:44:52,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:52,968 INFO L168 Benchmark]: Toolchain (without parser) took 826.99 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:52,970 INFO L168 Benchmark]: CDTParser took 2.07 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 09:44:52,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.01 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. [2019-11-27 09:44:52,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.15 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: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:52,978 INFO L168 Benchmark]: Boogie Preprocessor took 60.17 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:52,991 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.07 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 597.01 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 161.15 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: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.17 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:56,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:56,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:56,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:56,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:56,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:56,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:56,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:56,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:56,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:56,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:56,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:56,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:56,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:56,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:56,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:56,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:56,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:56,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:56,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:56,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:56,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:56,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:56,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:56,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:56,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:56,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:56,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:56,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:56,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:56,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:56,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:56,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:56,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:57,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:57,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:57,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:57,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:57,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:57,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:57,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:57,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:57,057 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:57,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:57,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:57,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:57,065 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:57,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:57,068 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:57,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:57,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:57,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:57,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:57,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:57,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:57,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:57,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:57,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:57,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:57,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:57,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:57,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:57,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:57,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:57,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:57,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:57,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:57,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:57,081 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:57,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:57,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:57,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:57,084 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 -> e03384737e8763104139cfd338bec2bd1e3e90b2 [2019-11-27 09:44:57,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:57,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:57,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:57,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:57,720 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:57,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float5.c [2019-11-27 09:44:57,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5538684d/1a04786ba2e54d2e970674ffdafaa2f5/FLAG530a5b64a [2019-11-27 09:44:58,927 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:58,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float5.c [2019-11-27 09:44:58,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5538684d/1a04786ba2e54d2e970674ffdafaa2f5/FLAG530a5b64a [2019-11-27 09:44:58,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5538684d/1a04786ba2e54d2e970674ffdafaa2f5 [2019-11-27 09:44:58,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:58,998 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:59,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:59,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:59,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:59,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:58" (1/1) ... [2019-11-27 09:44:59,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6967189c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59, skipping insertion in model container [2019-11-27 09:44:59,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:58" (1/1) ... [2019-11-27 09:44:59,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:59,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:59,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:59,589 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:59,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:59,672 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:59,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59 WrapperNode [2019-11-27 09:44:59,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:59,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:59,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:59,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:59,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:59,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:59,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:59,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:59,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:59" (1/1) ... [2019-11-27 09:44:59,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:59,973 INFO L168 Benchmark]: Toolchain (without parser) took 967.32 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:59,976 INFO L168 Benchmark]: CDTParser took 0.34 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 09:44:59,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.57 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 09:44:59,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.80 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:59,984 INFO L168 Benchmark]: Boogie Preprocessor took 85.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:59,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 673.57 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 189.80 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 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...