./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float14.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 65613eca1e7ee253e99a403c1f03397e1fd1d783 .................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float14.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 65613eca1e7ee253e99a403c1f03397e1fd1d783 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 14:16:02,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:16:02,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:16:02,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:16:02,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:16:02,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:16:02,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:16:02,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:16:02,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:16:02,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:16:02,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:16:02,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:16:02,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:16:02,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:16:02,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:16:02,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:16:02,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:16:02,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:16:02,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:16:02,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:16:02,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:16:02,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:16:02,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:16:02,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:16:02,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:16:02,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:16:02,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:16:02,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:16:02,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:16:02,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:16:02,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:16:02,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:16:02,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:16:02,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:16:02,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:16:02,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:16:02,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:16:02,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:16:02,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:16:02,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:16:02,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:16:02,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 14:16:02,352 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:16:02,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:16:02,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:16:02,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:16:02,356 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:16:02,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:16:02,357 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:16:02,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 14:16:02,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:16:02,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:16:02,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:16:02,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:16:02,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:16:02,359 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:16:02,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:16:02,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:16:02,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:16:02,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:16:02,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:16:02,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:16:02,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:16:02,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:16:02,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:16:02,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:16:02,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:16:02,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 14:16:02,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 14:16:02,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:16:02,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:16:02,364 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65613eca1e7ee253e99a403c1f03397e1fd1d783 [2020-10-24 14:16:02,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:16:02,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:16:02,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:16:02,828 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:16:02,831 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:16:02,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-10-24 14:16:02,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565dce381/38d519b24c8d442d8628fddc9843299a/FLAG899cadc9e [2020-10-24 14:16:03,609 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:16:03,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-10-24 14:16:03,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565dce381/38d519b24c8d442d8628fddc9843299a/FLAG899cadc9e [2020-10-24 14:16:03,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565dce381/38d519b24c8d442d8628fddc9843299a [2020-10-24 14:16:03,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:16:03,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:16:03,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:16:03,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:16:03,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:16:03,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:16:03" (1/1) ... [2020-10-24 14:16:03,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb5ec95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:03, skipping insertion in model container [2020-10-24 14:16:03,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:16:03" (1/1) ... [2020-10-24 14:16:03,924 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:16:03,989 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:16:04,574 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: isinf 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:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) 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: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) [2020-10-24 14:16:04,583 INFO L168 Benchmark]: Toolchain (without parser) took 692.99 ms. Allocated memory is still 44.0 MB. Free memory was 28.0 MB in the beginning and 25.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:04,584 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 35.7 MB. Free memory was 20.1 MB in the beginning and 20.1 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:16:04,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.29 ms. Allocated memory is still 44.0 MB. Free memory was 27.5 MB in the beginning and 25.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:04,588 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 35.7 MB. Free memory was 20.1 MB in the beginning and 20.1 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.29 ms. Allocated memory is still 44.0 MB. Free memory was 27.5 MB in the beginning and 25.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 11.4 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: 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-ee8e70e [2020-10-24 14:16:06,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 14:16:06,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 14:16:06,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 14:16:06,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 14:16:06,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 14:16:06,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 14:16:06,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 14:16:06,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 14:16:06,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 14:16:06,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 14:16:06,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 14:16:06,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 14:16:06,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 14:16:06,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 14:16:06,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 14:16:06,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 14:16:06,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 14:16:06,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 14:16:06,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 14:16:06,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 14:16:06,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 14:16:06,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 14:16:06,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 14:16:06,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 14:16:06,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 14:16:06,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 14:16:06,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 14:16:06,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 14:16:06,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 14:16:06,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 14:16:06,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 14:16:06,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 14:16:06,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 14:16:06,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 14:16:06,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 14:16:06,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 14:16:06,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 14:16:06,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 14:16:06,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 14:16:06,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 14:16:06,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 14:16:06,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 14:16:06,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 14:16:06,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 14:16:06,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 14:16:06,937 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 14:16:06,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 14:16:06,938 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 14:16:06,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 14:16:06,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 14:16:06,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 14:16:06,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 14:16:06,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 14:16:06,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 14:16:06,940 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 14:16:06,940 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 14:16:06,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 14:16:06,941 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 14:16:06,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 14:16:06,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 14:16:06,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 14:16:06,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 14:16:06,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 14:16:06,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 14:16:06,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 14:16:06,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 14:16:06,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 14:16:06,943 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 14:16:06,943 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 14:16:06,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 14:16:06,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 14:16:06,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 14:16:06,944 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65613eca1e7ee253e99a403c1f03397e1fd1d783 [2020-10-24 14:16:07,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 14:16:07,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 14:16:07,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 14:16:07,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 14:16:07,377 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 14:16:07,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-10-24 14:16:07,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2311b81bd/5bf5f179bf184790bf5837dd591b5de3/FLAG9f397012e [2020-10-24 14:16:08,086 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 14:16:08,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-10-24 14:16:08,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2311b81bd/5bf5f179bf184790bf5837dd591b5de3/FLAG9f397012e [2020-10-24 14:16:08,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2311b81bd/5bf5f179bf184790bf5837dd591b5de3 [2020-10-24 14:16:08,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 14:16:08,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 14:16:08,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 14:16:08,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 14:16:08,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 14:16:08,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:16:08" (1/1) ... [2020-10-24 14:16:08,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a701304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:08, skipping insertion in model container [2020-10-24 14:16:08,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:16:08" (1/1) ... [2020-10-24 14:16:08,408 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 14:16:08,524 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 14:16:09,124 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:16:09,147 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 14:16:09,195 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 14:16:09,606 INFO L217 MainTranslator]: Completed translation [2020-10-24 14:16:09,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09 WrapperNode [2020-10-24 14:16:09,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 14:16:09,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 14:16:09,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 14:16:09,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 14:16:09,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 14:16:09,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 14:16:09,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 14:16:09,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 14:16:09,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... [2020-10-24 14:16:09,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 14:16:09,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 14:16:09,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 14:16:09,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 14:16:09,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 14:16:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-10-24 14:16:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 14:16:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 14:16:09,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 14:16:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 14:16:10,075 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 14:16:10,076 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-24 14:16:10,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:16:10 BoogieIcfgContainer [2020-10-24 14:16:10,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 14:16:10,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 14:16:10,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 14:16:10,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 14:16:10,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:16:08" (1/3) ... [2020-10-24 14:16:10,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4681f597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:16:10, skipping insertion in model container [2020-10-24 14:16:10,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:16:09" (2/3) ... [2020-10-24 14:16:10,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4681f597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:16:10, skipping insertion in model container [2020-10-24 14:16:10,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:16:10" (3/3) ... [2020-10-24 14:16:10,087 INFO L111 eAbstractionObserver]: Analyzing ICFG float14.i [2020-10-24 14:16:10,099 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 14:16:10,111 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-24 14:16:10,141 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-24 14:16:10,200 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 14:16:10,200 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 14:16:10,200 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 14:16:10,201 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 14:16:10,201 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 14:16:10,201 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 14:16:10,201 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 14:16:10,202 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 14:16:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-10-24 14:16:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-24 14:16:10,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 14:16:10,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-24 14:16:10,243 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 14:16:10,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 14:16:10,259 INFO L82 PathProgramCache]: Analyzing trace with hash 28693859, now seen corresponding path program 1 times [2020-10-24 14:16:10,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 14:16:10,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082063913] [2020-10-24 14:16:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 14:16:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 14:16:10,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-24 14:16:10,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 14:16:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 14:16:10,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 14:16:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 14:16:10,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082063913] [2020-10-24 14:16:10,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 14:16:10,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-24 14:16:10,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648566922] [2020-10-24 14:16:10,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 14:16:10,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 14:16:10,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 14:16:10,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 14:16:10,915 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 6 states. [2020-10-24 14:16:11,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 14:16:11,191 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2020-10-24 14:16:11,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 14:16:11,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-10-24 14:16:11,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 14:16:11,203 INFO L225 Difference]: With dead ends: 21 [2020-10-24 14:16:11,203 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 14:16:11,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 14:16:11,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 14:16:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 14:16:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 14:16:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 14:16:11,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-10-24 14:16:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 14:16:11,233 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 14:16:11,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 14:16:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 14:16:11,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 14:16:11,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 14:16:11,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 14:16:11,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 14:16:11,453 INFO L274 CegarLoopResult]: For program point L960(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,453 INFO L274 CegarLoopResult]: For program point L960-2(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,454 INFO L274 CegarLoopResult]: For program point L960-3(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,454 INFO L274 CegarLoopResult]: For program point L960-4(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,454 INFO L274 CegarLoopResult]: For program point L960-6(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,454 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,454 INFO L274 CegarLoopResult]: For program point L960-7(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,454 INFO L274 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-10-24 14:16:11,454 INFO L274 CegarLoopResult]: For program point L961(lines 961 974) no Hoare annotation was computed. [2020-10-24 14:16:11,455 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 14:16:11,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 14:16:11,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 14:16:11,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2020-10-24 14:16:11,456 INFO L274 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-10-24 14:16:11,456 INFO L274 CegarLoopResult]: For program point L966-2(line 966) no Hoare annotation was computed. [2020-10-24 14:16:11,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:16:11 BoogieIcfgContainer [2020-10-24 14:16:11,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 14:16:11,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 14:16:11,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 14:16:11,463 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 14:16:11,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:16:10" (3/4) ... [2020-10-24 14:16:11,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 14:16:11,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-24 14:16:11,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 14:16:11,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 14:16:11,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 14:16:11,521 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 14:16:11,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 14:16:11,524 INFO L168 Benchmark]: Toolchain (without parser) took 3156.44 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.9 MB in the beginning and 37.1 MB in the end (delta: -9.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:11,525 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:16:11,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1230.52 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 27.1 MB in the end (delta: -7.4 kB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:11,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.90 ms. Allocated memory is still 65.0 MB. Free memory was 27.1 MB in the beginning and 24.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:11,527 INFO L168 Benchmark]: Boogie Preprocessor took 27.09 ms. Allocated memory is still 65.0 MB. Free memory was 24.4 MB in the beginning and 23.5 MB in the end (delta: 968.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:11,528 INFO L168 Benchmark]: RCFGBuilder took 362.67 ms. Allocated memory is still 65.0 MB. Free memory was 23.5 MB in the beginning and 39.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:11,529 INFO L168 Benchmark]: TraceAbstraction took 1382.26 ms. Allocated memory is still 65.0 MB. Free memory was 38.5 MB in the beginning and 39.8 MB in the end (delta: -1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 14:16:11,530 INFO L168 Benchmark]: Witness Printer took 59.54 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 37.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 14:16:11,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1230.52 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 27.1 MB in the end (delta: -7.4 kB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.90 ms. Allocated memory is still 65.0 MB. Free memory was 27.1 MB in the beginning and 24.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.09 ms. Allocated memory is still 65.0 MB. Free memory was 24.4 MB in the beginning and 23.5 MB in the end (delta: 968.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 362.67 ms. Allocated memory is still 65.0 MB. Free memory was 23.5 MB in the beginning and 39.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1382.26 ms. Allocated memory is still 65.0 MB. Free memory was 38.5 MB in the beginning and 39.8 MB in the end (delta: -1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 59.54 ms. Allocated memory is still 65.0 MB. Free memory was 39.2 MB in the beginning and 37.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 960]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 960]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 17 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 488 SizeOfPredicates, 2 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...