./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c --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-esbmc-regression/Float_div_bad.i.p+cfa-reducer.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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-esbmc-regression/Float_div_bad.i.p+cfa-reducer.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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:50:36,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:36,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:36,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:36,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:36,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:36,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:36,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:36,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:36,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:36,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:36,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:36,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:36,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:36,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:36,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:36,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:36,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:37,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:37,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:37,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:37,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:37,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:37,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:37,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:37,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:37,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:37,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:37,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:37,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:37,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:37,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:37,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:37,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:37,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:37,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:37,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:37,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:37,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:37,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:37,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:37,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:37,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:37,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:37,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:37,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:37,123 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:37,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:37,124 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:37,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:37,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:37,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:37,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:37,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:37,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:37,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:37,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:37,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:37,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:37,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:37,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:37,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:37,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:37,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:37,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:37,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:37,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:37,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:37,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:37,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:37,136 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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2019-11-25 22:50:37,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:37,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:37,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:37,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:37,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:37,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-25 22:50:37,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/582f8a429/8e7da8e570a04397a3318f3ba7c4ad14/FLAGdc50557e8 [2019-11-25 22:50:38,908 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:38,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-25 22:50:38,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/582f8a429/8e7da8e570a04397a3318f3ba7c4ad14/FLAGdc50557e8 [2019-11-25 22:50:38,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/582f8a429/8e7da8e570a04397a3318f3ba7c4ad14 [2019-11-25 22:50:38,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:38,979 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:38,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:38,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:38,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:38,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:38" (1/1) ... [2019-11-25 22:50:39,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66078fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:38, skipping insertion in model container [2019-11-25 22:50:39,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:38" (1/1) ... [2019-11-25 22:50:39,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:39,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:39,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:39,529 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:39,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:39,605 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:39,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39 WrapperNode [2019-11-25 22:50:39,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:39,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:39,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:39,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:39,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:39,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:39,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:39,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:39,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:39" (1/1) ... [2019-11-25 22:50:39,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:39,826 INFO L168 Benchmark]: Toolchain (without parser) took 834.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:39,828 INFO L168 Benchmark]: CDTParser took 1.16 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 22:50:39,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.49 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 22:50:39,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:39,838 INFO L168 Benchmark]: Boogie Preprocessor took 42.67 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. [2019-11-25 22:50:39,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 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 624.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.67 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 0.1.24-65d6cd2 [2019-11-25 22:50:43,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:43,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:43,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:43,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:43,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:43,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:43,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:43,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:43,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:43,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:43,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:43,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:43,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:43,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:43,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:43,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:43,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:43,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:43,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:43,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:43,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:43,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:43,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:43,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:43,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:43,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:43,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:43,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:43,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:44,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:44,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:44,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:44,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:44,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:44,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:44,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:44,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:44,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:44,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:44,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:44,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:44,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:44,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:44,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:44,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:44,070 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:44,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:44,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:44,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:44,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:44,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:44,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:44,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:44,077 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:44,077 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:44,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:44,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:44,078 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:44,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:44,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:44,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:44,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:44,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:44,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:44,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:44,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:44,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:44,085 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:44,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:44,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:44,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:44,089 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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2019-11-25 22:50:44,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:44,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:44,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:44,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:44,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:44,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-25 22:50:44,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976d4234f/a93fc3f488d24382949c95ddf68e3b58/FLAG1f9e6490f [2019-11-25 22:50:45,840 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:45,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2019-11-25 22:50:45,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976d4234f/a93fc3f488d24382949c95ddf68e3b58/FLAG1f9e6490f [2019-11-25 22:50:45,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976d4234f/a93fc3f488d24382949c95ddf68e3b58 [2019-11-25 22:50:45,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:45,909 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:45,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:45,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:45,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:45,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:45" (1/1) ... [2019-11-25 22:50:45,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23629b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:45, skipping insertion in model container [2019-11-25 22:50:45,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:45" (1/1) ... [2019-11-25 22:50:45,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:45,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:46,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:46,426 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:46,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:46,475 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:46,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46 WrapperNode [2019-11-25 22:50:46,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:46,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:46,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:46,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:46,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:46,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:46,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:46,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:46,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:46" (1/1) ... [2019-11-25 22:50:46,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:46,759 INFO L168 Benchmark]: Toolchain (without parser) took 843.45 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: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:46,765 INFO L168 Benchmark]: CDTParser took 2.67 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 22:50:46,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.81 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 22:50:46,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:46,772 INFO L168 Benchmark]: Boogie Preprocessor took 86.99 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:46,784 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.67 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 563.81 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 170.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.99 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...