./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float14.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer --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=/tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float14.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer --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-a4ecdab [2020-11-28 03:21:20,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:21:20,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:21:20,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:21:20,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:21:20,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:21:20,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:21:20,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:21:20,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:21:20,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:21:20,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:21:20,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:21:20,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:21:20,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:21:20,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:21:20,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:21:20,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:21:20,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:21:20,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:21:20,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:21:20,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:21:20,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:21:20,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:21:20,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:21:20,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:21:20,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:21:20,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:21:20,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:21:20,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:21:20,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:21:20,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:21:20,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:21:20,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:21:20,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:21:20,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:21:20,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:21:20,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:21:20,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:21:20,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:21:20,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:21:20,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:21:20,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:21:20,876 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:21:20,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:21:20,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:21:20,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:21:20,878 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:21:20,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:21:20,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:21:20,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:21:20,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:21:20,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:21:20,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:21:20,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:21:20,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:21:20,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:21:20,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:21:20,882 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:21:20,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:21:20,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:21:20,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:21:20,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:21:20,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:21:20,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:21:20,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:21:20,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:21:20,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:21:20,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:21:20,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:21:20,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:21:20,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:21:20,884 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:/tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65613eca1e7ee253e99a403c1f03397e1fd1d783 [2020-11-28 03:21:21,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:21:21,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:21:21,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:21:21,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:21:21,242 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:21:21,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-11-28 03:21:21,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/0553c8f7d/ef2fb83e14bf4d328442e311b6eb77a9/FLAG5e8513a07 [2020-11-28 03:21:22,028 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:21:22,029 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-11-28 03:21:22,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/0553c8f7d/ef2fb83e14bf4d328442e311b6eb77a9/FLAG5e8513a07 [2020-11-28 03:21:22,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/0553c8f7d/ef2fb83e14bf4d328442e311b6eb77a9 [2020-11-28 03:21:22,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:21:22,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:21:22,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:22,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:21:22,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:21:22,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:22" (1/1) ... [2020-11-28 03:21:22,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c4763e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:22, skipping insertion in model container [2020-11-28 03:21:22,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:22" (1/1) ... [2020-11-28 03:21:22,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:21:22,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:21:22,962 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:846) 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:1401) 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:1080) 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:2342) 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:2342) 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:2342) 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:1569) 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:1045) 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:1423) 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:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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) [2020-11-28 03:21:22,974 INFO L168 Benchmark]: Toolchain (without parser) took 700.78 ms. Allocated memory is still 102.8 MB. Free memory was 72.4 MB in the beginning and 60.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:22,975 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:22,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.33 ms. Allocated memory is still 102.8 MB. Free memory was 72.3 MB in the beginning and 60.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:22,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.33 ms. Allocated memory is still 102.8 MB. Free memory was 72.3 MB in the beginning and 60.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 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:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:21:25,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:21:25,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:21:25,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:21:25,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:21:25,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:21:25,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:21:25,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:21:25,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:21:25,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:21:25,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:21:25,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:21:25,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:21:25,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:21:25,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:21:25,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:21:25,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:21:25,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:21:25,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:21:25,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:21:25,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:21:25,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:21:25,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:21:25,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:21:25,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:21:25,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:21:25,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:21:25,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:21:25,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:21:25,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:21:25,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:21:25,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:21:25,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:21:25,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:21:25,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:21:25,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:21:25,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:21:25,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:21:25,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:21:25,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:21:25,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:21:25,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:21:25,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:21:25,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:21:25,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:21:25,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:21:25,542 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:21:25,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:21:25,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:21:25,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:21:25,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:21:25,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:21:25,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:21:25,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:21:25,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:21:25,545 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:21:25,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:21:25,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:21:25,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:21:25,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:21:25,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:21:25,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:21:25,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:21:25,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:21:25,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:21:25,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:21:25,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:21:25,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:21:25,549 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:21:25,550 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:21:25,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:21:25,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:21:25,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:21:25,551 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:/tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65613eca1e7ee253e99a403c1f03397e1fd1d783 [2020-11-28 03:21:25,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:21:25,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:21:25,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:21:25,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:21:25,983 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:21:25,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-11-28 03:21:26,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/59f989ed8/c08b3816ba1e47c39e72d128db11b8f0/FLAG870bbb8b9 [2020-11-28 03:21:26,715 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:21:26,716 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/sv-benchmarks/c/floats-cbmc-regression/float14.i [2020-11-28 03:21:26,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/59f989ed8/c08b3816ba1e47c39e72d128db11b8f0/FLAG870bbb8b9 [2020-11-28 03:21:26,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/data/59f989ed8/c08b3816ba1e47c39e72d128db11b8f0 [2020-11-28 03:21:26,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:21:26,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:21:26,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:26,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:21:26,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:21:26,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:26" (1/1) ... [2020-11-28 03:21:26,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0af9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:26, skipping insertion in model container [2020-11-28 03:21:26,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:26" (1/1) ... [2020-11-28 03:21:26,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:21:27,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:21:27,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:27,638 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:21:27,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:28,023 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:21:28,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28 WrapperNode [2020-11-28 03:21:28,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:28,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:28,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:21:28,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:21:28,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:28,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:21:28,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:21:28,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:21:28,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... [2020-11-28 03:21:28,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:21:28,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:21:28,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:21:28,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:21:28,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/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 [2020-11-28 03:21:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:21:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:21:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:21:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:21:28,432 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:21:28,433 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 03:21:28,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:28 BoogieIcfgContainer [2020-11-28 03:21:28,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:21:28,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:21:28,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:21:28,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:21:28,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:21:26" (1/3) ... [2020-11-28 03:21:28,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e519bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:28, skipping insertion in model container [2020-11-28 03:21:28,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:28" (2/3) ... [2020-11-28 03:21:28,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e519bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:28, skipping insertion in model container [2020-11-28 03:21:28,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:28" (3/3) ... [2020-11-28 03:21:28,455 INFO L111 eAbstractionObserver]: Analyzing ICFG float14.i [2020-11-28 03:21:28,472 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:21:28,475 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-28 03:21:28,504 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-28 03:21:28,525 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:21:28,525 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:21:28,525 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:21:28,526 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:21:28,526 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:21:28,526 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:21:28,526 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:21:28,526 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:21:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-11-28 03:21:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:21:28,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:28,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:21:28,541 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:28,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:28,546 INFO L82 PathProgramCache]: Analyzing trace with hash 28693859, now seen corresponding path program 1 times [2020-11-28 03:21:28,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:21:28,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147771346] [2020-11-28 03:21:28,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/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 [2020-11-28 03:21:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:28,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:21:28,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:28,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:21:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:28,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147771346] [2020-11-28 03:21:28,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:28,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-28 03:21:28,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518940589] [2020-11-28 03:21:28,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:21:28,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:21:28,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:21:29,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:29,002 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 6 states. [2020-11-28 03:21:29,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:29,104 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2020-11-28 03:21:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:29,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-11-28 03:21:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:29,112 INFO L225 Difference]: With dead ends: 21 [2020-11-28 03:21:29,112 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:21:29,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:21:29,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:21:29,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:21:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:21:29,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:21:29,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-11-28 03:21:29,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:29,137 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:29,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:21:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:21:29,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:21:29,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:21:29,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L960(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L960-2(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L960-3(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L960-4(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L960-6(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L960-7(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-11-28 03:21:29,365 INFO L274 CegarLoopResult]: For program point L961(lines 961 974) no Hoare annotation was computed. [2020-11-28 03:21:29,366 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:21:29,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:21:29,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:21:29,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2020-11-28 03:21:29,366 INFO L274 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-11-28 03:21:29,366 INFO L274 CegarLoopResult]: For program point L966-2(line 966) no Hoare annotation was computed. [2020-11-28 03:21:29,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:29 BoogieIcfgContainer [2020-11-28 03:21:29,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:21:29,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:29,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:29,371 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:29,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:28" (3/4) ... [2020-11-28 03:21:29,374 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:21:29,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-28 03:21:29,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:21:29,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:29,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:29,417 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f93e91bc-9383-4b14-9651-a0cdddeea6fe/bin/uautomizer/witness.graphml [2020-11-28 03:21:29,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:29,419 INFO L168 Benchmark]: Toolchain (without parser) took 2458.69 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 41.3 MB in the beginning and 57.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:29,420 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:29,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1062.34 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 41.1 MB in the beginning and 72.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:29,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.01 ms. Allocated memory is still 94.4 MB. Free memory was 72.3 MB in the beginning and 69.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:29,422 INFO L168 Benchmark]: Boogie Preprocessor took 22.48 ms. Allocated memory is still 94.4 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 972.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:29,422 INFO L168 Benchmark]: RCFGBuilder took 334.42 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 56.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:29,423 INFO L168 Benchmark]: TraceAbstraction took 930.71 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 60.5 MB in the end (delta: -4.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:29,423 INFO L168 Benchmark]: Witness Printer took 47.08 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 57.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:29,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1062.34 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 41.1 MB in the beginning and 72.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.01 ms. Allocated memory is still 94.4 MB. Free memory was 72.3 MB in the beginning and 69.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.48 ms. Allocated memory is still 94.4 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 972.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 334.42 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 56.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 930.71 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 60.5 MB in the end (delta: -4.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 47.08 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 57.9 MB in the end (delta: 2.6 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: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s 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, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 SizeOfPredicates, 2 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 3 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...