./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 0.1.23-1dbac8b [2018-11-10 10:12:03,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:12:03,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:12:03,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:12:03,677 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:12:03,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:12:03,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:12:03,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:12:03,680 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:12:03,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:12:03,681 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:12:03,682 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:12:03,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:12:03,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:12:03,683 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:12:03,684 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:12:03,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:12:03,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:12:03,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:12:03,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:12:03,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:12:03,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:12:03,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:12:03,690 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:12:03,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:12:03,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:12:03,691 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:12:03,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:12:03,692 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:12:03,693 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:12:03,693 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:12:03,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:12:03,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:12:03,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:12:03,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:12:03,695 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:12:03,695 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 10:12:03,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:12:03,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:12:03,705 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:12:03,705 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:12:03,705 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:12:03,706 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:12:03,706 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:12:03,706 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:12:03,706 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:12:03,706 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:12:03,706 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:12:03,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:12:03,707 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:12:03,707 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:12:03,707 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:12:03,707 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:12:03,707 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:12:03,707 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:12:03,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:12:03,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:12:03,708 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:12:03,708 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:12:03,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:12:03,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:12:03,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:12:03,708 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:12:03,708 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:12:03,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:12:03,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:12:03,709 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_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:03,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:12:03,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:12:03,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:12:03,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:12:03,743 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:12:03,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 10:12:03,788 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/6fcbe8bb0/795c73c5d178424c9e6763bffc8d5324/FLAG10f6d734c [2018-11-10 10:12:04,180 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:12:04,181 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 10:12:04,190 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/6fcbe8bb0/795c73c5d178424c9e6763bffc8d5324/FLAG10f6d734c [2018-11-10 10:12:04,201 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/6fcbe8bb0/795c73c5d178424c9e6763bffc8d5324 [2018-11-10 10:12:04,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:12:04,205 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:12:04,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:12:04,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:12:04,208 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:12:04,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:12:04" (1/1) ... [2018-11-10 10:12:04,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dab7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:04, skipping insertion in model container [2018-11-10 10:12:04,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:12:04" (1/1) ... [2018-11-10 10:12:04,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:12:04,250 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:12:04,568 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:995) 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:2169) 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:662) 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:2169) 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:2169) 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:1511) 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:960) 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:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) 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:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) 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:188) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 10:12:04,571 INFO L168 Benchmark]: Toolchain (without parser) took 366.58 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:04,572 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:12:04,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:04,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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 0.1.23-1dbac8b [2018-11-10 10:12:05,771 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:12:05,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:12:05,781 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:12:05,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:12:05,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:12:05,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:12:05,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:12:05,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:12:05,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:12:05,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:12:05,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:12:05,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:12:05,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:12:05,789 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:12:05,790 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:12:05,790 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:12:05,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:12:05,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:12:05,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:12:05,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:12:05,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:12:05,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:12:05,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:12:05,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:12:05,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:12:05,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:12:05,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:12:05,800 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:12:05,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:12:05,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:12:05,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:12:05,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:12:05,801 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:12:05,802 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:12:05,802 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:12:05,802 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 10:12:05,812 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:12:05,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:12:05,813 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:12:05,813 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:12:05,814 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:12:05,814 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:12:05,814 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:12:05,814 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:12:05,814 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:12:05,815 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:12:05,815 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:12:05,815 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:12:05,815 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:12:05,815 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:12:05,815 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:12:05,815 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:12:05,816 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:12:05,816 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:12:05,816 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:12:05,816 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:12:05,816 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:12:05,816 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:12:05,816 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:12:05,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:12:05,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:12:05,817 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:12:05,817 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:12:05,817 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 10:12:05,817 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:12:05,817 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:12:05,817 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:12:05,818 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_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:05,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:12:05,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:12:05,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:12:05,861 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:12:05,861 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:12:05,862 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 10:12:05,907 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/1bd09fdf6/0f6242e32e2042d69b13ecef22420a1e/FLAGaef6b9b17 [2018-11-10 10:12:06,261 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:12:06,261 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 10:12:06,270 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/1bd09fdf6/0f6242e32e2042d69b13ecef22420a1e/FLAGaef6b9b17 [2018-11-10 10:12:06,281 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/data/1bd09fdf6/0f6242e32e2042d69b13ecef22420a1e [2018-11-10 10:12:06,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:12:06,284 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:12:06,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:12:06,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:12:06,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:12:06,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:06,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d81ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06, skipping insertion in model container [2018-11-10 10:12:06,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:06,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:12:06,326 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:12:06,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:12:06,733 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:12:06,771 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:12:06,984 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:12:06,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06 WrapperNode [2018-11-10 10:12:06,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:12:06,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:12:06,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:12:06,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:12:06,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:06,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:07,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:07,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:07,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:07,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:07,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... [2018-11-10 10:12:07,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:12:07,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:12:07,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:12:07,084 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:12:07,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:12:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:12:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:12:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 10:12:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 10:12:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure acos [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure __acos [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure asin [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure __asin [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure atan [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure __atan [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure atan2 [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2 [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2018-11-10 10:12:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure __cos [2018-11-10 10:12:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure sin [2018-11-10 10:12:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure __sin [2018-11-10 10:12:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure tan [2018-11-10 10:12:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure __tan [2018-11-10 10:12:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure cosh [2018-11-10 10:12:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure __cosh [2018-11-10 10:12:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure sinh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure __sinh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure tanh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure __tanh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure acosh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure __acosh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure asinh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure __asinh [2018-11-10 10:12:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure atanh [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __atanh [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __exp [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure frexp [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __frexp [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldexp [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexp [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure log [2018-11-10 10:12:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __log [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure log10 [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __log10 [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure modf [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __modf [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure expm1 [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1 [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure log1p [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __log1p [2018-11-10 10:12:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure logb [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __logb [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure exp2 [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2 [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure log2 [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __log2 [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure pow [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __pow [2018-11-10 10:12:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrt [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure hypot [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __hypot [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure cbrt [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrt [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ceil [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __ceil [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2018-11-10 10:12:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure __fabs [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure floor [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __floor [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure fmod [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __fmod [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __isinf [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __finite [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure isinf [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure finite [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure drem [2018-11-10 10:12:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __drem [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure significand [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure __significand [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure copysign [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure __copysign [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure nan [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure __nan [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure __isnan [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure isnan [2018-11-10 10:12:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure j0 [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __j0 [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure j1 [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __j1 [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure jn [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __jn [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure y0 [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __y0 [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure y1 [2018-11-10 10:12:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure __y1 [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure yn [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __yn [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure erf [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __erf [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure erfc [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __erfc [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure lgamma [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __lgamma [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure tgamma [2018-11-10 10:12:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure __tgamma [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure gamma [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __gamma [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure lgamma_r [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __lgamma_r [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure rint [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __rint [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure nextafter [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafter [2018-11-10 10:12:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure nexttoward [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttoward [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure remainder [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __remainder [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbn [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ilogb [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogb [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure scalbln [2018-11-10 10:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbln [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyint [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyint [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure round [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __round [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure trunc [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __trunc [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure remquo [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __remquo [2018-11-10 10:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure lrint [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __lrint [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure llrint [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __llrint [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure lround [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __lround [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure llround [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __llround [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure fdim [2018-11-10 10:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __fdim [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure fmax [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure __fmax [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure fmin [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure __fmin [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure fma [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure __fma [2018-11-10 10:12:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure scalb [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __scalb [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure acosf [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __acosf [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure asinf [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __asinf [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure atanf [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __atanf [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure atan2f [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2f [2018-11-10 10:12:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure cosf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __cosf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure sinf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __sinf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure tanf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __tanf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure coshf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __coshf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure sinhf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure __sinhf [2018-11-10 10:12:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure tanhf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __tanhf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure acoshf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __acoshf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure asinhf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __asinhf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure atanhf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __atanhf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure expf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure __expf [2018-11-10 10:12:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure frexpf [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure __frexpf [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldexpf [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexpf [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure logf [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure __logf [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure log10f [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure __log10f [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure modff [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure __modff [2018-11-10 10:12:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure expm1f [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1f [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure log1pf [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure __log1pf [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure logbf [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure __logbf [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure exp2f [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2f [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure log2f [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure __log2f [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure powf [2018-11-10 10:12:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure __powf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure sqrtf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrtf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure hypotf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __hypotf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure cbrtf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrtf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure ceilf [2018-11-10 10:12:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __ceilf [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure fabsf [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure __fabsf [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure floorf [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure __floorf [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure fmodf [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure __fmodf [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure __isinff [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure __finitef [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure isinff [2018-11-10 10:12:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure finitef [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure dremf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure __dremf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure significandf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure __significandf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure copysignf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure __copysignf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure nanf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure __nanf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure __isnanf [2018-11-10 10:12:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure isnanf [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure j0f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure __j0f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure j1f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure __j1f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure jnf [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure __jnf [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure y0f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure __y0f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure y1f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure __y1f [2018-11-10 10:12:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ynf [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ynf [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure erff [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure __erff [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure erfcf [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure __erfcf [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure lgammaf [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammaf [2018-11-10 10:12:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure tgammaf [2018-11-10 10:12:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __tgammaf [2018-11-10 10:12:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure gammaf [2018-11-10 10:12:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __gammaf [2018-11-10 10:12:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure lgammaf_r [2018-11-10 10:12:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammaf_r [2018-11-10 10:12:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure rintf [2018-11-10 10:12:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __rintf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure nextafterf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafterf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure nexttowardf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttowardf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure remainderf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure __remainderf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure scalbnf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbnf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure ilogbf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogbf [2018-11-10 10:12:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure scalblnf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure __scalblnf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyintf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyintf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure roundf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure __roundf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure truncf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure __truncf [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure remquof [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure __remquof [2018-11-10 10:12:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure lrintf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure __lrintf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure llrintf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure __llrintf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure lroundf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure __lroundf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure llroundf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure __llroundf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure fdimf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure __fdimf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure fmaxf [2018-11-10 10:12:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaxf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure fminf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure __fminf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassifyf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure __signbitf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure fmaf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure scalbf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbf [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure acosl [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure __acosl [2018-11-10 10:12:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure asinl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __asinl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure atanl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __atanl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure atan2l [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2l [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure cosl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __cosl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure sinl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __sinl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure tanl [2018-11-10 10:12:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __tanl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure coshl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure __coshl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure sinhl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure __sinhl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure tanhl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure __tanhl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure acoshl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure __acoshl [2018-11-10 10:12:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure asinhl [2018-11-10 10:12:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure __asinhl [2018-11-10 10:12:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure atanhl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __atanhl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure expl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __expl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure frexpl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __frexpl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldexpl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexpl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure logl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __logl [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure log10l [2018-11-10 10:12:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __log10l [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure modfl [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure __modfl [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure expm1l [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1l [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure log1pl [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure __log1pl [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure logbl [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure __logbl [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure exp2l [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2l [2018-11-10 10:12:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure log2l [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure __log2l [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure powl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure __powl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure sqrtl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrtl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure hypotl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure __hypotl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure cbrtl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrtl [2018-11-10 10:12:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ceill [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __ceill [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure fabsl [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __fabsl [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure floorl [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __floorl [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure fmodl [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __fmodl [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __isinfl [2018-11-10 10:12:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __finitel [2018-11-10 10:12:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure isinfl [2018-11-10 10:12:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure finitel [2018-11-10 10:12:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure dreml [2018-11-10 10:12:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure __dreml [2018-11-10 10:12:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure significandl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure __significandl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure copysignl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure __copysignl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure nanl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure __nanl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure __isnanl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure isnanl [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure j0l [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure __j0l [2018-11-10 10:12:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure j1l [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure __j1l [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure jnl [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure __jnl [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure y0l [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure __y0l [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure y1l [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure __y1l [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ynl [2018-11-10 10:12:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure __ynl [2018-11-10 10:12:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure erfl [2018-11-10 10:12:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure __erfl [2018-11-10 10:12:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure erfcl [2018-11-10 10:12:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure __erfcl [2018-11-10 10:12:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure lgammal [2018-11-10 10:12:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammal [2018-11-10 10:12:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure tgammal [2018-11-10 10:12:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure __tgammal [2018-11-10 10:12:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure gammal [2018-11-10 10:12:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure __gammal [2018-11-10 10:12:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure lgammal_r [2018-11-10 10:12:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammal_r [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure rintl [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure __rintl [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure nextafterl [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafterl [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure nexttowardl [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttowardl [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure remainderl [2018-11-10 10:12:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure __remainderl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure scalbnl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbnl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ilogbl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogbl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure scalblnl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure __scalblnl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyintl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyintl [2018-11-10 10:12:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure roundl [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure __roundl [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure truncl [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure __truncl [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure remquol [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure __remquol [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure lrintl [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure __lrintl [2018-11-10 10:12:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure llrintl [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure __llrintl [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure lroundl [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure __lroundl [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure llroundl [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure __llroundl [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure fdiml [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure __fdiml [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure fmaxl [2018-11-10 10:12:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaxl [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure fminl [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure __fminl [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassifyl [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure __signbitl [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure fmal [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure __fmal [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure scalbl [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbl [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure matherr [2018-11-10 10:12:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 10:12:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:12:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:12:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:12:14,478 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:12:14,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:14 BoogieIcfgContainer [2018-11-10 10:12:14,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:12:14,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:12:14,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:12:14,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:12:14,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:12:06" (1/3) ... [2018-11-10 10:12:14,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbabfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:12:14, skipping insertion in model container [2018-11-10 10:12:14,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:06" (2/3) ... [2018-11-10 10:12:14,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbabfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:12:14, skipping insertion in model container [2018-11-10 10:12:14,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:14" (3/3) ... [2018-11-10 10:12:14,483 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2018-11-10 10:12:14,489 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:12:14,494 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-10 10:12:14,504 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-10 10:12:14,529 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:12:14,530 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:12:14,530 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:12:14,530 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:12:14,530 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:12:14,530 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:12:14,531 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:12:14,531 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:12:14,531 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:12:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-10 10:12:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 10:12:14,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:14,548 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:14,549 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:14,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:14,553 INFO L82 PathProgramCache]: Analyzing trace with hash 394921509, now seen corresponding path program 1 times [2018-11-10 10:12:14,555 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:14,556 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:14,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:14,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:14,838 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 5 [2018-11-10 10:12:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:14,842 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:14,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:14,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:12:14,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:12:14,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:12:14,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:12:14,863 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 4 states. [2018-11-10 10:12:18,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:18,887 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2018-11-10 10:12:18,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:12:18,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-10 10:12:18,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:18,915 INFO L225 Difference]: With dead ends: 120 [2018-11-10 10:12:18,915 INFO L226 Difference]: Without dead ends: 51 [2018-11-10 10:12:18,917 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:12:18,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-10 10:12:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-11-10 10:12:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-10 10:12:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2018-11-10 10:12:18,939 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 8 [2018-11-10 10:12:18,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:18,940 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2018-11-10 10:12:18,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:12:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2018-11-10 10:12:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:12:18,941 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:18,941 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:18,941 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:18,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:18,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1606013710, now seen corresponding path program 1 times [2018-11-10 10:12:18,942 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:18,942 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:18,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:18,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:19,394 WARN L179 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2018-11-10 10:12:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:19,429 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:19,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:19,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 10:12:19,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 10:12:19,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 10:12:19,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:12:19,440 INFO L87 Difference]: Start difference. First operand 51 states and 50 transitions. Second operand 5 states. [2018-11-10 10:12:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:24,862 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2018-11-10 10:12:24,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 10:12:24,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-11-10 10:12:24,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:24,873 INFO L225 Difference]: With dead ends: 51 [2018-11-10 10:12:24,873 INFO L226 Difference]: Without dead ends: 49 [2018-11-10 10:12:24,874 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:12:24,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-10 10:12:24,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-10 10:12:24,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-10 10:12:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 48 transitions. [2018-11-10 10:12:24,877 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 48 transitions. Word has length 12 [2018-11-10 10:12:24,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:24,877 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 48 transitions. [2018-11-10 10:12:24,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 10:12:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2018-11-10 10:12:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 10:12:24,878 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:24,878 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:24,878 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:24,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:24,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1485788234, now seen corresponding path program 1 times [2018-11-10 10:12:24,879 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:24,879 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:24,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:24,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:25,064 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 5 [2018-11-10 10:12:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:25,065 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:25,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:25,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:12:25,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:12:25,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:12:25,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:12:25,074 INFO L87 Difference]: Start difference. First operand 49 states and 48 transitions. Second operand 4 states. [2018-11-10 10:12:30,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:30,861 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2018-11-10 10:12:30,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:12:30,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-10 10:12:30,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:30,868 INFO L225 Difference]: With dead ends: 49 [2018-11-10 10:12:30,868 INFO L226 Difference]: Without dead ends: 45 [2018-11-10 10:12:30,868 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:12:30,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-10 10:12:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-10 10:12:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-10 10:12:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 44 transitions. [2018-11-10 10:12:30,872 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 44 transitions. Word has length 14 [2018-11-10 10:12:30,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:30,873 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 44 transitions. [2018-11-10 10:12:30,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:12:30,873 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2018-11-10 10:12:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 10:12:30,873 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:30,873 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:30,873 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:30,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:30,874 INFO L82 PathProgramCache]: Analyzing trace with hash -362656509, now seen corresponding path program 1 times [2018-11-10 10:12:30,874 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:30,874 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:30,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:30,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:31,235 WARN L179 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2018-11-10 10:12:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:31,282 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:31,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:31,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 10:12:31,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 10:12:31,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 10:12:31,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:12:31,289 INFO L87 Difference]: Start difference. First operand 45 states and 44 transitions. Second operand 5 states. [2018-11-10 10:12:36,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:36,114 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2018-11-10 10:12:36,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 10:12:36,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-10 10:12:36,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:36,125 INFO L225 Difference]: With dead ends: 45 [2018-11-10 10:12:36,125 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 10:12:36,126 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:12:36,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 10:12:36,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-10 10:12:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-10 10:12:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-10 10:12:36,129 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 18 [2018-11-10 10:12:36,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:36,129 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-10 10:12:36,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 10:12:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-10 10:12:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 10:12:36,130 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:36,130 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:36,130 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:36,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:36,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1642554262, now seen corresponding path program 1 times [2018-11-10 10:12:36,130 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:36,130 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:36,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:36,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:36,174 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:36,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:36,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:12:36,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:12:36,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:12:36,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:36,183 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 3 states. [2018-11-10 10:12:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:41,392 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-10 10:12:41,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:12:41,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-10 10:12:41,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:41,400 INFO L225 Difference]: With dead ends: 43 [2018-11-10 10:12:41,400 INFO L226 Difference]: Without dead ends: 39 [2018-11-10 10:12:41,400 INFO L605 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 [2018-11-10 10:12:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-10 10:12:41,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-10 10:12:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 10:12:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2018-11-10 10:12:41,403 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 19 [2018-11-10 10:12:41,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:41,404 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2018-11-10 10:12:41,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:12:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2018-11-10 10:12:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:12:41,404 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:41,405 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] [2018-11-10 10:12:41,405 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:41,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:41,405 INFO L82 PathProgramCache]: Analyzing trace with hash -2053185986, now seen corresponding path program 1 times [2018-11-10 10:12:41,406 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:41,406 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:41,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:41,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:41,465 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:41,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:41,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:12:41,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:12:41,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:12:41,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:41,482 INFO L87 Difference]: Start difference. First operand 39 states and 38 transitions. Second operand 3 states. [2018-11-10 10:12:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:46,343 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2018-11-10 10:12:46,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:12:46,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-10 10:12:46,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:46,349 INFO L225 Difference]: With dead ends: 39 [2018-11-10 10:12:46,350 INFO L226 Difference]: Without dead ends: 37 [2018-11-10 10:12:46,350 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:46,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-10 10:12:46,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-10 10:12:46,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-10 10:12:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-11-10 10:12:46,352 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 21 [2018-11-10 10:12:46,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:46,352 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-11-10 10:12:46,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:12:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-11-10 10:12:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 10:12:46,353 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:46,353 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] [2018-11-10 10:12:46,353 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:46,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:46,353 INFO L82 PathProgramCache]: Analyzing trace with hash 775748051, now seen corresponding path program 1 times [2018-11-10 10:12:46,353 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:46,353 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:46,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:46,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:46,397 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:46,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:46,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:12:46,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:12:46,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:12:46,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:46,406 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 3 states. [2018-11-10 10:12:49,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:49,286 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-11-10 10:12:49,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:12:49,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-10 10:12:49,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:49,292 INFO L225 Difference]: With dead ends: 37 [2018-11-10 10:12:49,292 INFO L226 Difference]: Without dead ends: 33 [2018-11-10 10:12:49,292 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:49,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-10 10:12:49,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-10 10:12:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-10 10:12:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-11-10 10:12:49,295 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 22 [2018-11-10 10:12:49,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:49,295 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-11-10 10:12:49,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:12:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-11-10 10:12:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 10:12:49,295 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:49,296 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, 1, 1, 1] [2018-11-10 10:12:49,296 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:49,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:49,296 INFO L82 PathProgramCache]: Analyzing trace with hash -904676466, now seen corresponding path program 1 times [2018-11-10 10:12:49,296 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:49,296 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:49,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:49,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:49,493 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:49,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:49,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:12:49,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:12:49,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:12:49,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:49,503 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 3 states. [2018-11-10 10:12:51,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:51,460 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-11-10 10:12:51,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:12:51,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-10 10:12:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:51,466 INFO L225 Difference]: With dead ends: 33 [2018-11-10 10:12:51,467 INFO L226 Difference]: Without dead ends: 31 [2018-11-10 10:12:51,467 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:51,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-10 10:12:51,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-10 10:12:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 10:12:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-10 10:12:51,469 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 25 [2018-11-10 10:12:51,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:51,469 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-10 10:12:51,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:12:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-10 10:12:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 10:12:51,470 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:51,470 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:51,470 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:51,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:51,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2056452304, now seen corresponding path program 1 times [2018-11-10 10:12:51,471 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:12:51,471 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/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 [2018-11-10 10:12:51,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:56,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:56,309 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2018-11-10 10:12:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:58,225 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:12:58,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:58,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:12:58,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:12:58,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:12:58,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:12:58,235 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 4 states. [2018-11-10 10:12:58,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:58,656 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-10 10:12:58,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:12:58,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-10 10:12:58,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:58,661 INFO L225 Difference]: With dead ends: 31 [2018-11-10 10:12:58,661 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:12:58,662 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:12:58,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:12:58,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:12:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:12:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:12:58,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-10 10:12:58,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:58,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:12:58,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:12:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:12:58,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:12:58,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:12:58,692 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 10:12:58,692 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 364 390) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L374-3(line 374) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L374-4(line 374) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L374-5(line 374) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L374-7(line 374) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-10 10:12:58,692 INFO L425 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L376-2(line 376) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L376-4(line 376) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L376-5(line 376) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 364 390) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 364 390) the Hoare annotation is: true [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,693 INFO L425 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L370-2(line 370) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L370-4(line 370) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L370-5(line 370) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L370-6(line 370) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L370-8(line 370) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L387-2(line 387) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L387-4(line 387) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L387-5(line 387) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-11-10 10:12:58,694 INFO L425 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L372-2(line 372) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L372-4(line 372) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L372-5(line 372) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-11-10 10:12:58,695 INFO L425 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2018-11-10 10:12:58,696 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2018-11-10 10:12:58,696 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,696 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-10 10:12:58,696 INFO L425 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-10 10:12:58,696 INFO L425 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2018-11-10 10:12:58,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:12:58 BoogieIcfgContainer [2018-11-10 10:12:58,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:12:58,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:12:58,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:12:58,698 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:12:58,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:14" (3/4) ... [2018-11-10 10:12:58,701 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:12:58,706 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:12:58,706 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:12:58,710 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 10:12:58,710 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:12:58,710 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:12:58,751 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38dc4a8c-11be-426e-b5ba-3384fbab317b/bin-2019/uautomizer/witness.graphml [2018-11-10 10:12:58,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:12:58,751 INFO L168 Benchmark]: Toolchain (without parser) took 52468.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -67.6 MB). Peak memory consumption was 133.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:58,752 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:12:58,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.33 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 835.9 MB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:58,752 INFO L168 Benchmark]: Boogie Preprocessor took 98.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 835.9 MB in the beginning and 1.1 GB in the end (delta: -301.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:58,753 INFO L168 Benchmark]: RCFGBuilder took 7394.82 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:58,753 INFO L168 Benchmark]: TraceAbstraction took 44219.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.9 MB). Peak memory consumption was 94.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:58,753 INFO L168 Benchmark]: Witness Printer took 52.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:12:58,755 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 700.33 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 835.9 MB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 835.9 MB in the beginning and 1.1 GB in the end (delta: -301.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7394.82 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44219.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.9 MB). Peak memory consumption was 94.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 382]: 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: 378]: 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 - PositiveResult [Line: 381]: 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: 374]: 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: 385]: 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: 370]: 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: 373]: 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, 70 locations, 13 error locations. SAFE Result, 44.1s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 35.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 252 SDtfs, 178 SDslu, 233 SDs, 0 SdLazy, 211 SolverSat, 8 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 34.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 4.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 23527 SizeOfPredicates, 16 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 30 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...