./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/loop-floats-scientific-comp/loop2-2.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 58e1d3bec81eee030ba2b06fbc318bd6149780af ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-floats-scientific-comp/loop2-2.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 58e1d3bec81eee030ba2b06fbc318bd6149780af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:04,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:04,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:04,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:04,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:04,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:04,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:04,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:04,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:04,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:04,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:04,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:04,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:04,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:04,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:04,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:04,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:04,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:04,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:04,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:04,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:04,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:04,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:04,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:04,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:04,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:04,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:04,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:04,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:04,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:04,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:04,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:04,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:04,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:04,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:04,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:04,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:04,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:04,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:04,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:04,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:04,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:04,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:04,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:04,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:04,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:04,291 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:04,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:04,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:04,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:04,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:04,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:04,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:04,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:04,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:04,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:04,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:04,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:04,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:04,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:04,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:04,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:04,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:04,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:04,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:04,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:04,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:04,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:04,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:04,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:04,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:04,304 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 -> 58e1d3bec81eee030ba2b06fbc318bd6149780af [2019-11-24 21:07:04,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:04,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:04,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:04,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:04,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:04,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-24 21:07:05,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749c9bd2c/329191293e524406956f474ea9470b10/FLAGe298092d7 [2019-11-24 21:07:06,033 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:06,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-24 21:07:06,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749c9bd2c/329191293e524406956f474ea9470b10/FLAGe298092d7 [2019-11-24 21:07:06,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749c9bd2c/329191293e524406956f474ea9470b10 [2019-11-24 21:07:06,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:06,099 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:06,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:06,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:06,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:06,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06, skipping insertion in model container [2019-11-24 21:07:06,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:06,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:06,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:06,651 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:06,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:06,729 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:06,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06 WrapperNode [2019-11-24 21:07:06,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:06,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:06,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:06,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:06,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:06,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:06,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:06,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:06,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:06" (1/1) ... [2019-11-24 21:07:06,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:06,978 INFO L168 Benchmark]: Toolchain (without parser) took 868.30 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:06,979 INFO L168 Benchmark]: CDTParser took 3.53 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. [2019-11-24 21:07:06,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.91 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. [2019-11-24 21:07:06,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:06,986 INFO L168 Benchmark]: Boogie Preprocessor took 68.87 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. [2019-11-24 21:07:06,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.53 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 630.91 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 151.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.87 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:10,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:10,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:10,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:10,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:10,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:10,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:10,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:10,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:10,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:10,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:10,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:10,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:10,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:10,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:11,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:11,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:11,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:11,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:11,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:11,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:11,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:11,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:11,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:11,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:11,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:11,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:11,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:11,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:11,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:11,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:11,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:11,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:11,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:11,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:11,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:11,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:11,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:11,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:11,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:11,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:11,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:11,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:11,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:11,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:11,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:11,151 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:11,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:11,154 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:11,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:11,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:11,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:11,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:11,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:11,159 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:11,160 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:11,160 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:11,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:11,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:11,162 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:11,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:11,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:11,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:11,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:11,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:11,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:11,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:11,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:11,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:11,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:11,172 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:11,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:11,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:11,176 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 -> 58e1d3bec81eee030ba2b06fbc318bd6149780af [2019-11-24 21:07:11,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:11,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:11,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:11,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:11,781 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:11,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-24 21:07:11,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49e89d790/6f7a875b4e544749b2cd754c57fc6c83/FLAG3733867b6 [2019-11-24 21:07:12,925 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:12,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2019-11-24 21:07:12,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49e89d790/6f7a875b4e544749b2cd754c57fc6c83/FLAG3733867b6 [2019-11-24 21:07:12,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49e89d790/6f7a875b4e544749b2cd754c57fc6c83 [2019-11-24 21:07:12,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:12,998 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:13,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:13,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:13,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:13,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:12" (1/1) ... [2019-11-24 21:07:13,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de345e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13, skipping insertion in model container [2019-11-24 21:07:13,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:12" (1/1) ... [2019-11-24 21:07:13,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:13,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:13,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:13,550 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:13,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:13,651 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:13,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13 WrapperNode [2019-11-24 21:07:13,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:13,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:13,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:13,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:13,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:13,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:13,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:13,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:13,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:14,004 INFO L168 Benchmark]: Toolchain (without parser) took 999.92 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:14,006 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:14,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.34 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. [2019-11-24 21:07:14,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.67 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:14,017 INFO L168 Benchmark]: Boogie Preprocessor took 100.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:14,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 652.34 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 236.67 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...