./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb715f893a8d779115a1e4ab8c45115be341dce1 ...................................................................................................................................................................... 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb715f893a8d779115a1e4ab8c45115be341dce1 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 14:12:35,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:12:35,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:12:35,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:12:35,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:12:35,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:12:35,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:12:35,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:12:35,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:12:35,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:12:35,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:12:35,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:12:35,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:12:35,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:12:35,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:12:35,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:12:35,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:12:35,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:12:35,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:12:35,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:12:35,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:12:35,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:12:35,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:12:35,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:12:35,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:12:35,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:12:35,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:12:35,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:12:35,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:12:35,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:12:35,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:12:35,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:12:35,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:12:35,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:12:35,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:12:35,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:12:35,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:12:35,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:12:35,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:12:35,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:12:35,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:12:35,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:12:35,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:12:35,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:12:35,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:12:35,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:12:35,249 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:12:35,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:12:35,250 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:12:35,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:12:35,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:12:35,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:12:35,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:12:35,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:12:35,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:12:35,253 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:12:35,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:12:35,253 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:12:35,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:12:35,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:12:35,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:12:35,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:12:35,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:12:35,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:12:35,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:12:35,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:12:35,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:12:35,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:12:35,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:12:35,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:12:35,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:12:35,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb715f893a8d779115a1e4ab8c45115be341dce1 [2020-12-02 14:12:35,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:12:35,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:12:35,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:12:35,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:12:35,738 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:12:35,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i [2020-12-02 14:12:35,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e66d5f5c/950ced8d22c3414799f9f23b955d9959/FLAGcda7edc4e [2020-12-02 14:12:36,579 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:12:36,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i [2020-12-02 14:12:36,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e66d5f5c/950ced8d22c3414799f9f23b955d9959/FLAGcda7edc4e [2020-12-02 14:12:36,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e66d5f5c/950ced8d22c3414799f9f23b955d9959 [2020-12-02 14:12:36,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:12:36,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:12:36,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:12:36,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:12:36,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:12:36,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:36" (1/1) ... [2020-12-02 14:12:36,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670e0e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:36, skipping insertion in model container [2020-12-02 14:12:36,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:36" (1/1) ... [2020-12-02 14:12:36,838 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:12:36,948 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:12:37,481 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1568) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 14:12:37,489 INFO L168 Benchmark]: Toolchain (without parser) took 676.27 ms. Allocated memory is still 48.2 MB. Free memory was 23.3 MB in the beginning and 23.1 MB in the end (delta: 188.4 kB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:37,491 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:12:37,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.19 ms. Allocated memory is still 48.2 MB. Free memory was 23.1 MB in the beginning and 23.1 MB in the end (delta: -15.3 kB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:37,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.19 ms. Allocated memory is still 48.2 MB. Free memory was 23.1 MB in the beginning and 23.1 MB in the end (delta: -15.3 kB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 14:12:39,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:12:39,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:12:39,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:12:39,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:12:39,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:12:39,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:12:39,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:12:39,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:12:39,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:12:40,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:12:40,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:12:40,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:12:40,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:12:40,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:12:40,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:12:40,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:12:40,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:12:40,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:12:40,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:12:40,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:12:40,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:12:40,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:12:40,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:12:40,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:12:40,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:12:40,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:12:40,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:12:40,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:12:40,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:12:40,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:12:40,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:12:40,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:12:40,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:12:40,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:12:40,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:12:40,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:12:40,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:12:40,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:12:40,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:12:40,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:12:40,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:12:40,133 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:12:40,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:12:40,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:12:40,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:12:40,137 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:12:40,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:12:40,137 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:12:40,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:12:40,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:12:40,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:12:40,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:12:40,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:12:40,140 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:12:40,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:12:40,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:12:40,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:12:40,141 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:12:40,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:12:40,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:12:40,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:12:40,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:12:40,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:12:40,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:12:40,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:12:40,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:12:40,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:12:40,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:12:40,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:12:40,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:12:40,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:12:40,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:12:40,144 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb715f893a8d779115a1e4ab8c45115be341dce1 [2020-12-02 14:12:40,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:12:40,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:12:40,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:12:40,622 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:12:40,623 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:12:40,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i [2020-12-02 14:12:40,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceee3675c/568b97d49f774e51a463e61ae6789275/FLAGe5759d47a [2020-12-02 14:12:41,475 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:12:41,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i [2020-12-02 14:12:41,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceee3675c/568b97d49f774e51a463e61ae6789275/FLAGe5759d47a [2020-12-02 14:12:41,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceee3675c/568b97d49f774e51a463e61ae6789275 [2020-12-02 14:12:41,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:12:41,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:12:41,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:12:41,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:12:41,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:12:41,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:41" (1/1) ... [2020-12-02 14:12:41,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314e1e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:41, skipping insertion in model container [2020-12-02 14:12:41,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:41" (1/1) ... [2020-12-02 14:12:41,745 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:12:41,829 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:12:42,510 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[40343,40356] [2020-12-02 14:12:42,518 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[40604,40617] [2020-12-02 14:12:42,523 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[40865,40878] [2020-12-02 14:12:42,537 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41126,41139] [2020-12-02 14:12:42,542 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41387,41400] [2020-12-02 14:12:42,545 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41463,41476] [2020-12-02 14:12:42,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41741,41754] [2020-12-02 14:12:42,562 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:12:42,580 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:12:42,631 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[40343,40356] [2020-12-02 14:12:42,637 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[40604,40617] [2020-12-02 14:12:42,640 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[40865,40878] [2020-12-02 14:12:42,647 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41126,41139] [2020-12-02 14:12:42,654 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41387,41400] [2020-12-02 14:12:42,658 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41463,41476] [2020-12-02 14:12:42,664 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2.i[41741,41754] [2020-12-02 14:12:42,665 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:12:43,005 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:12:43,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43 WrapperNode [2020-12-02 14:12:43,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:12:43,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:12:43,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:12:43,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:12:43,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:12:43,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:12:43,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:12:43,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:12:43,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... [2020-12-02 14:12:43,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:12:43,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:12:43,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:12:43,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:12:43,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:12:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 14:12:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:12:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:12:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:12:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:12:43,502 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:12:43,503 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 14:12:43,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:43 BoogieIcfgContainer [2020-12-02 14:12:43,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:12:43,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:12:43,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:12:43,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:12:43,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:12:41" (1/3) ... [2020-12-02 14:12:43,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc0f3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:43, skipping insertion in model container [2020-12-02 14:12:43,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:43" (2/3) ... [2020-12-02 14:12:43,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc0f3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:43, skipping insertion in model container [2020-12-02 14:12:43,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:43" (3/3) ... [2020-12-02 14:12:43,516 INFO L111 eAbstractionObserver]: Analyzing ICFG float_lib2.i [2020-12-02 14:12:43,535 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:12:43,539 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-12-02 14:12:43,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-02 14:12:43,587 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:12:43,587 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:12:43,587 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:12:43,588 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:12:43,588 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:12:43,588 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:12:43,588 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:12:43,589 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:12:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-12-02 14:12:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 14:12:43,613 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:12:43,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 14:12:43,614 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:12:43,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:12:43,622 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-02 14:12:43,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:12:43,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558314609] [2020-12-02 14:12:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 14:12:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:12:43,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-02 14:12:43,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:12:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:12:43,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:12:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:12:44,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558314609] [2020-12-02 14:12:44,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:12:44,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-12-02 14:12:44,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717182447] [2020-12-02 14:12:44,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 14:12:44,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:12:44,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 14:12:44,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 14:12:44,089 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2020-12-02 14:12:44,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:12:44,151 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-12-02 14:12:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 14:12:44,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-12-02 14:12:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:12:44,162 INFO L225 Difference]: With dead ends: 41 [2020-12-02 14:12:44,163 INFO L226 Difference]: Without dead ends: 12 [2020-12-02 14:12:44,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 14:12:44,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-02 14:12:44,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-02 14:12:44,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-02 14:12:44,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-02 14:12:44,203 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 4 [2020-12-02 14:12:44,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:12:44,204 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-02 14:12:44,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 14:12:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-02 14:12:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 14:12:44,204 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:12:44,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:12:44,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:12:44,418 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:12:44,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:12:44,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1908731737, now seen corresponding path program 1 times [2020-12-02 14:12:44,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:12:44,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935316256] [2020-12-02 14:12:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 14:12:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:12:44,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-02 14:12:44,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:12:44,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 14:12:44,536 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 14:12:44,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 14:12:44,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 14:12:44,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 14:12:44,573 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 14:12:44,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 14:12:44,589 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 14:12:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:12:44,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:12:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:12:44,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935316256] [2020-12-02 14:12:44,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:12:44,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-12-02 14:12:44,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224823562] [2020-12-02 14:12:44,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 14:12:44,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:12:44,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 14:12:44,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-02 14:12:44,672 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 5 states. [2020-12-02 14:12:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:12:44,716 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-02 14:12:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 14:12:44,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-02 14:12:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:12:44,717 INFO L225 Difference]: With dead ends: 12 [2020-12-02 14:12:44,717 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 14:12:44,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:12:44,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 14:12:44,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 14:12:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 14:12:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 14:12:44,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-02 14:12:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:12:44,721 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 14:12:44,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 14:12:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 14:12:44,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 14:12:44,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 14:12:44,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 14:12:44,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2020-12-02 14:12:44,981 INFO L262 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-12-02 14:12:44,982 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2020-12-02 14:12:44,982 INFO L262 CegarLoopResult]: For program point L378-2(lines 374 385) no Hoare annotation was computed. [2020-12-02 14:12:44,982 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 14:12:44,982 INFO L262 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-12-02 14:12:44,982 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2020-12-02 14:12:44,982 INFO L262 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-12-02 14:12:44,983 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 14:12:44,983 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 14:12:44,983 INFO L262 CegarLoopResult]: For program point L383-3(line 383) no Hoare annotation was computed. [2020-12-02 14:12:44,984 INFO L262 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-12-02 14:12:44,984 INFO L262 CegarLoopResult]: For program point L379-2(lines 374 385) no Hoare annotation was computed. [2020-12-02 14:12:44,984 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-12-02 14:12:44,984 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 14:12:44,985 INFO L258 CegarLoopResult]: At program point L384(lines 373 385) the Hoare annotation is: (exists ((~CRM RoundingMode)) (= ((_ to_fp 8 24) ~CRM (/ 8388607.0 713623846352979940529142984724747568191373312.0)) (fp ((_ extract 31 31) ULTIMATE.start_main_~largestSubnormalFloat~0) ((_ extract 30 23) ULTIMATE.start_main_~largestSubnormalFloat~0) ((_ extract 22 0) ULTIMATE.start_main_~largestSubnormalFloat~0)))) [2020-12-02 14:12:44,985 INFO L262 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-12-02 14:12:44,985 INFO L262 CegarLoopResult]: For program point L380-2(lines 374 385) no Hoare annotation was computed. [2020-12-02 14:12:44,985 INFO L262 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-12-02 14:12:44,986 INFO L262 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-12-02 14:12:44,986 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2020-12-02 14:12:44,986 INFO L262 CegarLoopResult]: For program point L376-3(lines 374 385) no Hoare annotation was computed. [2020-12-02 14:12:44,986 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2020-12-02 14:12:44,986 INFO L262 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-12-02 14:12:44,986 INFO L262 CegarLoopResult]: For program point L381-2(line 381) no Hoare annotation was computed. [2020-12-02 14:12:44,987 INFO L262 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-12-02 14:12:44,987 INFO L262 CegarLoopResult]: For program point L377-2(lines 374 385) no Hoare annotation was computed. [2020-12-02 14:12:44,987 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2020-12-02 14:12:44,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:12:45,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:12:45,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:12:45 BoogieIcfgContainer [2020-12-02 14:12:45,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:12:45,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:12:45,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:12:45,011 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:12:45,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:43" (3/4) ... [2020-12-02 14:12:45,016 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 14:12:45,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-02 14:12:45,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-02 14:12:45,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:12:45,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:12:45,069 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 8388607/713623846352979940529142984724747568191373312) == ~fp~LONGDOUBLE(largestSubnormalFloat[31:31], largestSubnormalFloat[30:23], largestSubnormalFloat[22:0])) [2020-12-02 14:12:45,108 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 14:12:45,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:12:45,112 INFO L168 Benchmark]: Toolchain (without parser) took 3387.40 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 20.1 MB in the beginning and 34.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:45,115 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 30.6 MB in the beginning and 30.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:12:45,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1280.01 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 21.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:45,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.49 ms. Allocated memory is still 54.5 MB. Free memory was 21.7 MB in the beginning and 19.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:45,124 INFO L168 Benchmark]: Boogie Preprocessor took 34.21 ms. Allocated memory is still 54.5 MB. Free memory was 19.2 MB in the beginning and 17.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:45,125 INFO L168 Benchmark]: RCFGBuilder took 402.84 ms. Allocated memory is still 54.5 MB. Free memory was 17.5 MB in the beginning and 24.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:45,127 INFO L168 Benchmark]: TraceAbstraction took 1503.42 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 23.6 MB in the beginning and 37.8 MB in the end (delta: -14.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:12:45,127 INFO L168 Benchmark]: Witness Printer took 97.43 ms. Allocated memory is still 67.1 MB. Free memory was 37.8 MB in the beginning and 34.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:12:45,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 30.6 MB in the beginning and 30.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1280.01 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 21.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.49 ms. Allocated memory is still 54.5 MB. Free memory was 21.7 MB in the beginning and 19.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.21 ms. Allocated memory is still 54.5 MB. Free memory was 19.2 MB in the beginning and 17.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 402.84 ms. Allocated memory is still 54.5 MB. Free memory was 17.5 MB in the beginning and 24.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1503.42 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 23.6 MB in the beginning and 37.8 MB in the end (delta: -14.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 97.43 ms. Allocated memory is still 67.1 MB. Free memory was 37.8 MB in the beginning and 34.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 377]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 380]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 381]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 383]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 379]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 376]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 378]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 373]: Loop Invariant [2020-12-02 14:12:45,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:12:45,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] Derived loop invariant: (\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 8388607/713623846352979940529142984724747568191373312) == ~fp~LONGDOUBLE(largestSubnormalFloat[31:31], largestSubnormalFloat[30:23], largestSubnormalFloat[22:0])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 27 SDslu, 4 SDs, 0 SdLazy, 21 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 12 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 8 QuantifiedInterpolants, 1645 SizeOfPredicates, 6 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...