./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941e668ccf070b9a219d3bc8afc49564f51e679a ......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941e668ccf070b9a219d3bc8afc49564f51e679a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:31:18,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:31:18,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:31:18,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:31:18,813 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:31:18,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:31:18,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:31:18,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:31:18,818 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:31:18,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:31:18,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:31:18,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:31:18,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:31:18,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:31:18,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:31:18,823 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:31:18,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:31:18,826 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:31:18,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:31:18,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:31:18,829 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:31:18,830 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:31:18,833 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:31:18,833 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:31:18,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:31:18,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:31:18,842 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:31:18,842 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:31:18,843 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:31:18,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:31:18,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:31:18,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:31:18,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:31:18,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:31:18,846 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:31:18,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:31:18,846 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 15:31:18,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:31:18,859 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:31:18,860 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:31:18,860 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 15:31:18,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:31:18,861 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:31:18,861 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:31:18,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:31:18,862 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:31:18,863 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:31:18,863 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:31:18,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:31:18,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:31:18,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:31:18,863 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:31:18,863 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:31:18,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:31:18,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:31:18,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:31:18,864 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:31:18,866 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:31:18,866 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:31:18,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:31:18,867 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2018-11-18 15:31:18,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:31:18,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:31:18,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:31:18,919 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:31:18,919 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:31:18,920 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 15:31:19,038 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/63898f342/ba75582c327c42fba06740be4dae6dfa/FLAG49e1b4392 [2018-11-18 15:31:19,543 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:31:19,550 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 15:31:19,567 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/63898f342/ba75582c327c42fba06740be4dae6dfa/FLAG49e1b4392 [2018-11-18 15:31:19,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/63898f342/ba75582c327c42fba06740be4dae6dfa [2018-11-18 15:31:19,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:31:19,801 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:31:19,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:31:19,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:31:19,806 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:31:19,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:31:19" (1/1) ... [2018-11-18 15:31:19,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a23bb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:19, skipping insertion in model container [2018-11-18 15:31:19,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:31:19" (1/1) ... [2018-11-18 15:31:19,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:31:19,873 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:31:20,711 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1298) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1302) 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:994) 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:2129) 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:661) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2129) 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:2129) 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:1464) 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:959) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1324) 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:3277) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:535) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 15:31:20,720 INFO L168 Benchmark]: Toolchain (without parser) took 919.67 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 943.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:20,722 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:31:20,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 917.42 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 943.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:20,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 917.42 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 943.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 15:31:22,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:31:22,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:31:22,979 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:31:22,980 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:31:22,981 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:31:22,981 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:31:22,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:31:22,984 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:31:22,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:31:22,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:31:22,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:31:22,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:31:22,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:31:22,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:31:22,990 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:31:22,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:31:22,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:31:22,993 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:31:22,994 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:31:22,995 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:31:22,997 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:31:22,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:31:22,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:31:22,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:31:23,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:31:23,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:31:23,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:31:23,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:31:23,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:31:23,004 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:31:23,005 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:31:23,005 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:31:23,005 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:31:23,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:31:23,007 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:31:23,007 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 15:31:23,018 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:31:23,019 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:31:23,019 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:31:23,019 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:31:23,020 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:31:23,020 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:31:23,021 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:31:23,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:31:23,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:31:23,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:31:23,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:31:23,021 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:31:23,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:31:23,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:31:23,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:31:23,023 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:31:23,023 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:31:23,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:31:23,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:31:23,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:31:23,024 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:31:23,024 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 15:31:23,024 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:31:23,026 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:31:23,027 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:31:23,027 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2018-11-18 15:31:23,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:31:23,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:31:23,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:31:23,105 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:31:23,106 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:31:23,106 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 15:31:23,161 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/e88edb057/b8bf28f7fa854ccf9fa679738913f3a0/FLAG902d56aa1 [2018-11-18 15:31:23,649 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:31:23,650 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 15:31:23,661 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/e88edb057/b8bf28f7fa854ccf9fa679738913f3a0/FLAG902d56aa1 [2018-11-18 15:31:24,138 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/data/e88edb057/b8bf28f7fa854ccf9fa679738913f3a0 [2018-11-18 15:31:24,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:31:24,143 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:31:24,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:31:24,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:31:24,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:31:24,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:31:24" (1/1) ... [2018-11-18 15:31:24,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a88f9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:24, skipping insertion in model container [2018-11-18 15:31:24,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:31:24" (1/1) ... [2018-11-18 15:31:24,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:31:24,237 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:31:25,010 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:31:25,019 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:31:25,108 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:31:25,355 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:31:25,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25 WrapperNode [2018-11-18 15:31:25,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:31:25,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:31:25,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:31:25,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:31:25,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... [2018-11-18 15:31:25,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... [2018-11-18 15:31:25,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... [2018-11-18 15:31:25,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... [2018-11-18 15:31:25,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... [2018-11-18 15:31:25,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... [2018-11-18 15:31:25,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... [2018-11-18 15:31:25,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:31:25,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:31:25,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:31:25,534 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:31:25,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/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 [2018-11-18 15:31:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:31:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:31:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:31:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 15:31:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:31:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure acos [2018-11-18 15:31:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure __acos [2018-11-18 15:31:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure asin [2018-11-18 15:31:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure __asin [2018-11-18 15:31:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure atan [2018-11-18 15:31:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure __atan [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure atan2 [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2 [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure __cos [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure sin [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure __sin [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure tan [2018-11-18 15:31:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure __tan [2018-11-18 15:31:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure cosh [2018-11-18 15:31:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure __cosh [2018-11-18 15:31:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure sinh [2018-11-18 15:31:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure __sinh [2018-11-18 15:31:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure tanh [2018-11-18 15:31:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure __tanh [2018-11-18 15:31:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure acosh [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure __acosh [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure asinh [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure __asinh [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure atanh [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure __atanh [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure __exp [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure frexp [2018-11-18 15:31:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure __frexp [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldexp [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexp [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure log [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure __log [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure log10 [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure __log10 [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure modf [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure __modf [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure expm1 [2018-11-18 15:31:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1 [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure log1p [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure __log1p [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure logb [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure __logb [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure exp2 [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2 [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure log2 [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure __log2 [2018-11-18 15:31:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure pow [2018-11-18 15:31:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure __pow [2018-11-18 15:31:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2018-11-18 15:31:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrt [2018-11-18 15:31:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure hypot [2018-11-18 15:31:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure __hypot [2018-11-18 15:31:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure cbrt [2018-11-18 15:31:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrt [2018-11-18 15:31:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure ceil [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __ceil [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __fabs [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure floor [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __floor [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure fmod [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __fmod [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __isinf [2018-11-18 15:31:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __finite [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure isinf [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure finite [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure drem [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure __drem [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure significand [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure __significand [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure copysign [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure __copysign [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure nan [2018-11-18 15:31:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure __nan [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure __isnan [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure isnan [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure j0 [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure __j0 [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure j1 [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure __j1 [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure jn [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure __jn [2018-11-18 15:31:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure y0 [2018-11-18 15:31:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __y0 [2018-11-18 15:31:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure y1 [2018-11-18 15:31:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __y1 [2018-11-18 15:31:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure yn [2018-11-18 15:31:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __yn [2018-11-18 15:31:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure erf [2018-11-18 15:31:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure __erf [2018-11-18 15:31:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure erfc [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __erfc [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure lgamma [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __lgamma [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure tgamma [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __tgamma [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure gamma [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __gamma [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure lgamma_r [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __lgamma_r [2018-11-18 15:31:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure rint [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure __rint [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure nextafter [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafter [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure nexttoward [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttoward [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure remainder [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure __remainder [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbn [2018-11-18 15:31:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure ilogb [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogb [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure scalbln [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbln [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyint [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyint [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure round [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure __round [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure trunc [2018-11-18 15:31:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure __trunc [2018-11-18 15:31:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure remquo [2018-11-18 15:31:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure __remquo [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure lrint [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __lrint [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure llrint [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __llrint [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure lround [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __lround [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure llround [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __llround [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure fdim [2018-11-18 15:31:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure __fdim [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure fmax [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure __fmax [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure fmin [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure __fmin [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure fma [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure __fma [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure scalb [2018-11-18 15:31:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure __scalb [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure acosf [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure __acosf [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure asinf [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure __asinf [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure atanf [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure __atanf [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure atan2f [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2f [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure cosf [2018-11-18 15:31:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure __cosf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure sinf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure __sinf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure tanf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure __tanf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure coshf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure __coshf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure sinhf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure __sinhf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure tanhf [2018-11-18 15:31:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure __tanhf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure acoshf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure __acoshf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure asinhf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure __asinhf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure atanhf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure __atanhf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure expf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure __expf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure frexpf [2018-11-18 15:31:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure __frexpf [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldexpf [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexpf [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure logf [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __logf [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure log10f [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __log10f [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure modff [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __modff [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure expm1f [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1f [2018-11-18 15:31:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure log1pf [2018-11-18 15:31:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure __log1pf [2018-11-18 15:31:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure logbf [2018-11-18 15:31:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure __logbf [2018-11-18 15:31:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure exp2f [2018-11-18 15:31:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2f [2018-11-18 15:31:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure log2f [2018-11-18 15:31:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure __log2f [2018-11-18 15:31:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure powf [2018-11-18 15:31:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure __powf [2018-11-18 15:31:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure sqrtf [2018-11-18 15:31:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrtf [2018-11-18 15:31:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure hypotf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __hypotf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure cbrtf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrtf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure ceilf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __ceilf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure fabsf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __fabsf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure floorf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __floorf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure fmodf [2018-11-18 15:31:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __fmodf [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __isinff [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __finitef [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure isinff [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure finitef [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure dremf [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __dremf [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure significandf [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __significandf [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure copysignf [2018-11-18 15:31:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __copysignf [2018-11-18 15:31:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure nanf [2018-11-18 15:31:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure __nanf [2018-11-18 15:31:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure __isnanf [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure isnanf [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure j0f [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __j0f [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure j1f [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __j1f [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure jnf [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __jnf [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure y0f [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __y0f [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure y1f [2018-11-18 15:31:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __y1f [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ynf [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __ynf [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure erff [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __erff [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure erfcf [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __erfcf [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure lgammaf [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammaf [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure tgammaf [2018-11-18 15:31:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __tgammaf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure gammaf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __gammaf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure lgammaf_r [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammaf_r [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure rintf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __rintf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure nextafterf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafterf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure nexttowardf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttowardf [2018-11-18 15:31:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure remainderf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __remainderf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure scalbnf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbnf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure ilogbf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogbf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure scalblnf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __scalblnf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyintf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyintf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure roundf [2018-11-18 15:31:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __roundf [2018-11-18 15:31:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure truncf [2018-11-18 15:31:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure __truncf [2018-11-18 15:31:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure remquof [2018-11-18 15:31:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure __remquof [2018-11-18 15:31:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure lrintf [2018-11-18 15:31:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure __lrintf [2018-11-18 15:31:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure llrintf [2018-11-18 15:31:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure __llrintf [2018-11-18 15:31:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure lroundf [2018-11-18 15:31:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure __lroundf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure llroundf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure __llroundf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure fdimf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fdimf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure fmaxf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaxf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure fminf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fminf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassifyf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure __signbitf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure fmaf [2018-11-18 15:31:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaf [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure scalbf [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbf [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure acosl [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure __acosl [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure asinl [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure __asinl [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure atanl [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure __atanl [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure atan2l [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2l [2018-11-18 15:31:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure cosl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __cosl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure sinl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __sinl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure tanl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __tanl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure coshl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __coshl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure sinhl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __sinhl [2018-11-18 15:31:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure tanhl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __tanhl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure acoshl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __acoshl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure asinhl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __asinhl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure atanhl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __atanhl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure expl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __expl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure frexpl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __frexpl [2018-11-18 15:31:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldexpl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexpl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure logl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __logl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure log10l [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __log10l [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure modfl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __modfl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure expm1l [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1l [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure log1pl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __log1pl [2018-11-18 15:31:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure logbl [2018-11-18 15:31:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure __logbl [2018-11-18 15:31:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure exp2l [2018-11-18 15:31:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2l [2018-11-18 15:31:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure log2l [2018-11-18 15:31:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure __log2l [2018-11-18 15:31:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure powl [2018-11-18 15:31:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure __powl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure sqrtl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrtl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure hypotl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __hypotl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure cbrtl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrtl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure ceill [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __ceill [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure fabsl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __fabsl [2018-11-18 15:31:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure floorl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __floorl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure fmodl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __fmodl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __isinfl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __finitel [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure isinfl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure finitel [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure dreml [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __dreml [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure significandl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __significandl [2018-11-18 15:31:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure copysignl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __copysignl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure nanl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __nanl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __isnanl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure isnanl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure j0l [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __j0l [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure j1l [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __j1l [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure jnl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __jnl [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure y0l [2018-11-18 15:31:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure __y0l [2018-11-18 15:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure y1l [2018-11-18 15:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure __y1l [2018-11-18 15:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ynl [2018-11-18 15:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ynl [2018-11-18 15:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure erfl [2018-11-18 15:31:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure __erfl [2018-11-18 15:31:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure erfcl [2018-11-18 15:31:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure __erfcl [2018-11-18 15:31:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure lgammal [2018-11-18 15:31:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammal [2018-11-18 15:31:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure tgammal [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure __tgammal [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure gammal [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure __gammal [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure lgammal_r [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammal_r [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure rintl [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure __rintl [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure nextafterl [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafterl [2018-11-18 15:31:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure nexttowardl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttowardl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure remainderl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __remainderl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure scalbnl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbnl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure ilogbl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogbl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure scalblnl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __scalblnl [2018-11-18 15:31:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyintl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyintl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure roundl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __roundl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure truncl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __truncl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure remquol [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __remquol [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure lrintl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __lrintl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure llrintl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __llrintl [2018-11-18 15:31:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure lroundl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __lroundl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure llroundl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __llroundl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure fdiml [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __fdiml [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure fmaxl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaxl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure fminl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __fminl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassifyl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __signbitl [2018-11-18 15:31:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure fmal [2018-11-18 15:31:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure __fmal [2018-11-18 15:31:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure scalbl [2018-11-18 15:31:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbl [2018-11-18 15:31:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure matherr [2018-11-18 15:31:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 15:31:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:31:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:31:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:31:35,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:31:35,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:31:35 BoogieIcfgContainer [2018-11-18 15:31:35,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:31:35,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:31:35,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:31:35,099 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:31:35,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:31:24" (1/3) ... [2018-11-18 15:31:35,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33126acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:31:35, skipping insertion in model container [2018-11-18 15:31:35,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:25" (2/3) ... [2018-11-18 15:31:35,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33126acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:31:35, skipping insertion in model container [2018-11-18 15:31:35,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:31:35" (3/3) ... [2018-11-18 15:31:35,103 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2018-11-18 15:31:35,114 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:31:35,121 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-18 15:31:35,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-18 15:31:35,163 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:31:35,164 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:31:35,164 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:31:35,165 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:31:35,165 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:31:35,165 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:31:35,165 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:31:35,165 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:31:35,165 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:31:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-18 15:31:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:31:35,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:31:35,189 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:31:35,191 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:31:35,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:31:35,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1111197600, now seen corresponding path program 1 times [2018-11-18 15:31:35,202 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:31:35,202 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/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 [2018-11-18 15:31:35,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:31:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:35,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:31:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:35,312 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:31:35,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:31:35,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:31:35,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:31:35,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:31:35,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:31:35,359 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 3 states. [2018-11-18 15:31:41,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:31:41,030 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2018-11-18 15:31:41,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:31:41,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 15:31:41,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:31:41,074 INFO L225 Difference]: With dead ends: 94 [2018-11-18 15:31:41,074 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 15:31:41,078 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:31:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 15:31:41,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-18 15:31:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-18 15:31:41,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-18 15:31:41,114 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 7 [2018-11-18 15:31:41,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:31:41,115 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-18 15:31:41,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:31:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-18 15:31:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 15:31:41,115 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:31:41,116 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:31:41,118 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:31:41,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:31:41,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1586087458, now seen corresponding path program 1 times [2018-11-18 15:31:41,119 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:31:41,119 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 15:31:41,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:31:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:41,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:31:41,802 WARN L180 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 8 [2018-11-18 15:31:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:41,817 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:31:41,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:31:41,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:31:41,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:31:41,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:31:41,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:31:41,831 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 4 states. [2018-11-18 15:31:48,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:31:48,868 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-18 15:31:48,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:31:48,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-18 15:31:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:31:48,882 INFO L225 Difference]: With dead ends: 43 [2018-11-18 15:31:48,882 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 15:31:48,883 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:31:48,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 15:31:48,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-18 15:31:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 15:31:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2018-11-18 15:31:48,888 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 9 [2018-11-18 15:31:48,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:31:48,888 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2018-11-18 15:31:48,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:31:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2018-11-18 15:31:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:31:48,889 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:31:48,889 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:31:48,889 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:31:48,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:31:48,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1924075024, now seen corresponding path program 1 times [2018-11-18 15:31:48,890 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:31:48,890 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 15:31:48,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:31:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:48,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:31:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:48,989 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:31:49,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:31:49,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:31:49,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:31:49,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:31:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:31:49,002 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 3 states. [2018-11-18 15:31:54,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:31:54,470 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2018-11-18 15:31:54,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:31:54,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 15:31:54,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:31:54,479 INFO L225 Difference]: With dead ends: 41 [2018-11-18 15:31:54,479 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 15:31:54,479 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:31:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 15:31:54,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 15:31:54,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 15:31:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-11-18 15:31:54,483 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 10 [2018-11-18 15:31:54,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:31:54,483 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-11-18 15:31:54,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:31:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-11-18 15:31:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:31:54,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:31:54,484 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:31:54,485 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:31:54,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:31:54,485 INFO L82 PathProgramCache]: Analyzing trace with hash -2094681614, now seen corresponding path program 1 times [2018-11-18 15:31:54,485 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:31:54,486 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 15:31:54,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:31:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:54,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:31:55,038 WARN L180 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 8 [2018-11-18 15:31:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:55,106 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:31:55,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:31:55,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:31:55,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:31:55,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:31:55,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:31:55,117 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 4 states. [2018-11-18 15:32:00,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:00,762 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-11-18 15:32:00,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:32:00,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-18 15:32:00,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:32:00,773 INFO L225 Difference]: With dead ends: 37 [2018-11-18 15:32:00,773 INFO L226 Difference]: Without dead ends: 35 [2018-11-18 15:32:00,773 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:32:00,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-18 15:32:00,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-18 15:32:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-18 15:32:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2018-11-18 15:32:00,782 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 12 [2018-11-18 15:32:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:32:00,782 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2018-11-18 15:32:00,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:32:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2018-11-18 15:32:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:32:00,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:32:00,782 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:00,783 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:32:00,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:00,783 INFO L82 PathProgramCache]: Analyzing trace with hash -510616495, now seen corresponding path program 1 times [2018-11-18 15:32:00,783 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:32:00,783 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 15:32:00,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:32:00,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:32:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:32:00,844 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:32:00,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:32:00,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:32:00,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:32:00,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:32:00,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:00,859 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 3 states. [2018-11-18 15:32:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:06,854 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2018-11-18 15:32:06,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:32:06,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 15:32:06,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:32:06,863 INFO L225 Difference]: With dead ends: 35 [2018-11-18 15:32:06,863 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 15:32:06,863 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 15:32:06,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 15:32:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 15:32:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-18 15:32:06,866 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 13 [2018-11-18 15:32:06,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:32:06,866 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-18 15:32:06,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:32:06,867 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-18 15:32:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 15:32:06,867 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:32:06,867 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:06,867 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:32:06,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:06,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1076048519, now seen corresponding path program 1 times [2018-11-18 15:32:06,868 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:32:06,868 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 15:32:06,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:32:06,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:32:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:32:06,997 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:32:07,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:32:07,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:32:07,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:32:07,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:32:07,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:07,016 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 3 states. [2018-11-18 15:32:11,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:11,282 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-18 15:32:11,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:32:11,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 15:32:11,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:32:11,289 INFO L225 Difference]: With dead ends: 31 [2018-11-18 15:32:11,290 INFO L226 Difference]: Without dead ends: 29 [2018-11-18 15:32:11,290 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:11,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-18 15:32:11,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-18 15:32:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 15:32:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-11-18 15:32:11,292 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 15 [2018-11-18 15:32:11,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:32:11,292 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-11-18 15:32:11,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:32:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-11-18 15:32:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:32:11,293 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:32:11,293 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:11,293 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:32:11,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:11,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1002238402, now seen corresponding path program 1 times [2018-11-18 15:32:11,294 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:32:11,294 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 15:32:11,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:32:11,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:32:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:32:11,358 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:32:11,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:32:11,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:32:11,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:32:11,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:32:11,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:11,367 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 3 states. [2018-11-18 15:32:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:16,631 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-11-18 15:32:16,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:32:16,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-18 15:32:16,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:32:16,638 INFO L225 Difference]: With dead ends: 29 [2018-11-18 15:32:16,638 INFO L226 Difference]: Without dead ends: 25 [2018-11-18 15:32:16,638 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-18 15:32:16,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-18 15:32:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-18 15:32:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-11-18 15:32:16,641 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 16 [2018-11-18 15:32:16,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:32:16,641 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-11-18 15:32:16,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:32:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-11-18 15:32:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 15:32:16,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:32:16,642 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:16,643 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:32:16,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:16,643 INFO L82 PathProgramCache]: Analyzing trace with hash -924305463, now seen corresponding path program 1 times [2018-11-18 15:32:16,643 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:32:16,643 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 15:32:16,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:32:16,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:32:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:32:16,894 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:32:16,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:32:16,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:32:16,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:32:16,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:32:16,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:16,907 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 3 states. [2018-11-18 15:32:20,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:20,622 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-18 15:32:20,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:32:20,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-18 15:32:20,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:32:20,632 INFO L225 Difference]: With dead ends: 25 [2018-11-18 15:32:20,632 INFO L226 Difference]: Without dead ends: 23 [2018-11-18 15:32:20,633 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:20,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-18 15:32:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-18 15:32:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-18 15:32:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-11-18 15:32:20,635 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 19 [2018-11-18 15:32:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:32:20,635 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-11-18 15:32:20,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:32:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-11-18 15:32:20,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 15:32:20,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:32:20,644 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:20,645 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:32:20,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:20,645 INFO L82 PathProgramCache]: Analyzing trace with hash -944593388, now seen corresponding path program 1 times [2018-11-18 15:32:20,647 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:32:20,647 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-18 15:32:20,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:32:23,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:32:23,757 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 2 [2018-11-18 15:32:29,815 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (fp.isSubnormal main_~f~0) (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven main_~f~0)) main_~f~0)))) is different from false [2018-11-18 15:32:31,833 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (fp.isSubnormal main_~f~0) (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven main_~f~0)) main_~f~0)))) is different from true [2018-11-18 15:32:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:32:31,835 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:32:31,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:32:31,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:32:31,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:32:31,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:32:31,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2018-11-18 15:32:31,847 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 4 states. [2018-11-18 15:32:34,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:34,169 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-11-18 15:32:34,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:32:34,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-18 15:32:34,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:32:34,189 INFO L225 Difference]: With dead ends: 23 [2018-11-18 15:32:34,190 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:32:34,190 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2018-11-18 15:32:34,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:32:34,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:32:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:32:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:32:34,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-11-18 15:32:34,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:32:34,191 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:32:34,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:32:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:32:34,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:32:34,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:32:34,240 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 15:32:34,240 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:32:34,240 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:32:34,240 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 15:32:34,241 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:32:34,241 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:32:34,241 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2018-11-18 15:32:34,241 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-18 15:32:34,241 INFO L425 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2018-11-18 15:32:34,241 INFO L425 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,241 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 364 390) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point L374(line 374) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point L374-2(line 374) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,242 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2018-11-18 15:32:34,243 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 364 390) no Hoare annotation was computed. [2018-11-18 15:32:34,243 INFO L425 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2018-11-18 15:32:34,243 INFO L425 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2018-11-18 15:32:34,243 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 364 390) the Hoare annotation is: true [2018-11-18 15:32:34,243 INFO L425 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-18 15:32:34,243 INFO L425 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-18 15:32:34,243 INFO L425 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,243 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-18 15:32:34,244 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2018-11-18 15:32:34,244 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-18 15:32:34,244 INFO L425 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-11-18 15:32:34,244 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,248 INFO L425 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-11-18 15:32:34,248 INFO L425 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-18 15:32:34,248 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point L370-3(line 370) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-11-18 15:32:34,249 INFO L425 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-18 15:32:34,250 INFO L425 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-18 15:32:34,251 INFO L425 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:32:34,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:32:34 BoogieIcfgContainer [2018-11-18 15:32:34,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:32:34,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:32:34,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:32:34,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:32:34,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:31:35" (3/4) ... [2018-11-18 15:32:34,263 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:32:34,269 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:32:34,269 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:32:34,274 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 15:32:34,274 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:32:34,274 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:32:34,338 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_550bc777-1f71-417e-96bd-074b0ce06305/bin-2019/uautomizer/witness.graphml [2018-11-18 15:32:34,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:32:34,339 INFO L168 Benchmark]: Toolchain (without parser) took 70196.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 941.2 MB in the beginning and 898.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:32:34,339 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:32:34,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1211.63 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 832.4 MB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:32:34,345 INFO L168 Benchmark]: Boogie Preprocessor took 176.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 832.4 MB in the beginning and 1.1 GB in the end (delta: -317.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:32:34,345 INFO L168 Benchmark]: RCFGBuilder took 9561.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:32:34,346 INFO L168 Benchmark]: TraceAbstraction took 59159.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.8 MB in the end (delta: 168.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:32:34,346 INFO L168 Benchmark]: Witness Printer took 81.69 ms. Allocated memory is still 1.2 GB. Free memory was 903.8 MB in the beginning and 898.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:32:34,348 INFO L336 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 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1211.63 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 832.4 MB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 176.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 832.4 MB in the beginning and 1.1 GB in the end (delta: -317.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9561.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 59159.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.8 MB in the end (delta: 168.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. * Witness Printer took 81.69 ms. Allocated memory is still 1.2 GB. Free memory was 903.8 MB in the beginning and 898.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 379]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 382]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 374]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 378]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 383]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 373]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 388]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 380]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 52 locations, 13 error locations. SAFE Result, 59.0s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 45.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 185 SDtfs, 153 SDslu, 95 SDs, 0 SdLazy, 116 SolverSat, 5 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 44.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 96 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 114 ConstructedInterpolants, 1 QuantifiedInterpolants, 9579 SizeOfPredicates, 16 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...