./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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-aa41828 [2018-11-23 05:13:40,660 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:13:40,661 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:13:40,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:13:40,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:13:40,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:13:40,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:13:40,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:13:40,674 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:13:40,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:13:40,675 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:13:40,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:13:40,676 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:13:40,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:13:40,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:13:40,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:13:40,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:13:40,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:13:40,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:13:40,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:13:40,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:13:40,684 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:13:40,686 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:13:40,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:13:40,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:13:40,687 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:13:40,687 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:13:40,688 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:13:40,689 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:13:40,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:13:40,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:13:40,690 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:13:40,690 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:13:40,690 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:13:40,691 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:13:40,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:13:40,692 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 05:13:40,701 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:13:40,702 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:13:40,702 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:13:40,702 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:13:40,703 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:13:40,703 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:13:40,703 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 05:13:40,703 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:13:40,703 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:13:40,704 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:13:40,704 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:13:40,704 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:13:40,704 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:13:40,704 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:13:40,704 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:13:40,704 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:13:40,705 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:13:40,705 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:13:40,705 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:13:40,705 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:13:40,705 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:13:40,705 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:13:40,705 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:13:40,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:13:40,706 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:13:40,706 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:13:40,706 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:13:40,706 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 05:13:40,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:13:40,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:13:40,707 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_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:13:40,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:13:40,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:13:40,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:13:40,738 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:13:40,738 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:13:40,739 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-23 05:13:40,775 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/2d15fcb97/7ca126ed4fe14bb8a7ad69dbde2ed8bb/FLAG5b33406b4 [2018-11-23 05:13:41,136 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:13:41,137 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-23 05:13:41,146 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/2d15fcb97/7ca126ed4fe14bb8a7ad69dbde2ed8bb/FLAG5b33406b4 [2018-11-23 05:13:41,158 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/2d15fcb97/7ca126ed4fe14bb8a7ad69dbde2ed8bb [2018-11-23 05:13:41,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:13:41,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:13:41,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:13:41,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:13:41,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:13:41,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:13:41" (1/1) ... [2018-11-23 05:13:41,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae7dda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:41, skipping insertion in model container [2018-11-23 05:13:41,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:13:41" (1/1) ... [2018-11-23 05:13:41,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:13:41,210 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:13:41,533 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:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:997) 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:2281) 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:664) 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:2281) 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:2281) 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:1472) 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:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 05:13:41,536 INFO L168 Benchmark]: Toolchain (without parser) took 375.19 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 937.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:13:41,538 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:13:41,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 937.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:13:41,539 INFO L336 ainManager$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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 937.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 05:13:42,730 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:13:42,731 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:13:42,740 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:13:42,740 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:13:42,741 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:13:42,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:13:42,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:13:42,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:13:42,745 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:13:42,745 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:13:42,746 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:13:42,746 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:13:42,747 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:13:42,748 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:13:42,748 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:13:42,749 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:13:42,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:13:42,751 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:13:42,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:13:42,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:13:42,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:13:42,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:13:42,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:13:42,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:13:42,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:13:42,757 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:13:42,757 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:13:42,758 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:13:42,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:13:42,759 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:13:42,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:13:42,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:13:42,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:13:42,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:13:42,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:13:42,761 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 05:13:42,771 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:13:42,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:13:42,772 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:13:42,772 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:13:42,772 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:13:42,772 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:13:42,772 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 05:13:42,773 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:13:42,773 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:13:42,773 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:13:42,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:13:42,773 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:13:42,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:13:42,774 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:13:42,774 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 05:13:42,774 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 05:13:42,774 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:13:42,774 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:13:42,774 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:13:42,774 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:13:42,775 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:13:42,775 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:13:42,775 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:13:42,775 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:13:42,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:13:42,775 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:13:42,775 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:13:42,776 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:13:42,776 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 05:13:42,776 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:13:42,776 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 05:13:42,776 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 05:13:42,776 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_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:13:42,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:13:42,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:13:42,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:13:42,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:13:42,819 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:13:42,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-23 05:13:42,864 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/cd980d2c7/a3abc1bf9bd64aa092aa5f25c957039c/FLAG6a6010745 [2018-11-23 05:13:43,254 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:13:43,255 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-23 05:13:43,264 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/cd980d2c7/a3abc1bf9bd64aa092aa5f25c957039c/FLAG6a6010745 [2018-11-23 05:13:43,639 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/data/cd980d2c7/a3abc1bf9bd64aa092aa5f25c957039c [2018-11-23 05:13:43,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:13:43,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:13:43,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:13:43,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:13:43,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:13:43,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:13:43" (1/1) ... [2018-11-23 05:13:43,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba38c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:43, skipping insertion in model container [2018-11-23 05:13:43,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:13:43" (1/1) ... [2018-11-23 05:13:43,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:13:43,696 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:13:44,150 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:13:44,154 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:13:44,200 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:13:44,392 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:13:44,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44 WrapperNode [2018-11-23 05:13:44,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:13:44,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:13:44,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:13:44,393 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:13:44,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:13:44,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:13:44,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:13:44,465 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:13:44,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... [2018-11-23 05:13:44,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:13:44,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:13:44,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:13:44,486 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:13:44,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:13:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:13:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:13:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:13:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:13:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:13:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:13:52,090 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:13:52,090 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 05:13:52,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:13:52 BoogieIcfgContainer [2018-11-23 05:13:52,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:13:52,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:13:52,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:13:52,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:13:52,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:13:43" (1/3) ... [2018-11-23 05:13:52,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0cf901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:13:52, skipping insertion in model container [2018-11-23 05:13:52,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:13:44" (2/3) ... [2018-11-23 05:13:52,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0cf901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:13:52, skipping insertion in model container [2018-11-23 05:13:52,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:13:52" (3/3) ... [2018-11-23 05:13:52,097 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2018-11-23 05:13:52,103 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:13:52,107 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-23 05:13:52,119 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-23 05:13:52,140 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 05:13:52,140 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:13:52,141 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:13:52,141 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:13:52,141 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:13:52,141 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:13:52,141 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:13:52,141 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:13:52,141 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:13:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-23 05:13:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 05:13:52,158 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:13:52,159 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:13:52,161 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:13:52,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:13:52,164 INFO L82 PathProgramCache]: Analyzing trace with hash -51320395, now seen corresponding path program 1 times [2018-11-23 05:13:52,167 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:13:52,167 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:13:52,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:13:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:13:52,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:13:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:13:52,247 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:13:52,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:13:52,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:13:52,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:13:52,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:13:52,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:13:52,268 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 3 states. [2018-11-23 05:13:56,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:13:56,850 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2018-11-23 05:13:56,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:13:56,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 05:13:56,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:13:56,881 INFO L225 Difference]: With dead ends: 94 [2018-11-23 05:13:56,881 INFO L226 Difference]: Without dead ends: 43 [2018-11-23 05:13:56,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:13:56,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-23 05:13:56,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-23 05:13:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-23 05:13:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-23 05:13:56,914 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 7 [2018-11-23 05:13:56,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:13:56,914 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-23 05:13:56,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:13:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-23 05:13:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:13:56,914 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:13:56,915 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:13:56,915 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:13:56,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:13:56,915 INFO L82 PathProgramCache]: Analyzing trace with hash -2074134857, now seen corresponding path program 1 times [2018-11-23 05:13:56,916 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:13:56,916 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:13:56,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:13:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:13:56,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:13:57,089 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 8 [2018-11-23 05:13:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:13:57,099 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:13:57,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:13:57,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:13:57,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:13:57,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:13:57,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:13:57,109 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 4 states. [2018-11-23 05:14:02,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:02,828 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-23 05:14:02,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:14:02,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-23 05:14:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:02,839 INFO L225 Difference]: With dead ends: 43 [2018-11-23 05:14:02,839 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 05:14:02,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:14:02,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 05:14:02,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 05:14:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 05:14:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2018-11-23 05:14:02,843 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 9 [2018-11-23 05:14:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:02,843 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2018-11-23 05:14:02,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:14:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2018-11-23 05:14:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 05:14:02,843 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:14:02,843 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:14:02,844 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:14:02,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:14:02,844 INFO L82 PathProgramCache]: Analyzing trace with hash 126332959, now seen corresponding path program 1 times [2018-11-23 05:14:02,844 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:14:02,844 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:14:02,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:14:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:14:02,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:14:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:14:02,869 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:14:02,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:14:02,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:14:02,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:14:02,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:14:02,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:02,881 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 3 states. [2018-11-23 05:14:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:06,308 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2018-11-23 05:14:06,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:14:06,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-23 05:14:06,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:06,315 INFO L225 Difference]: With dead ends: 41 [2018-11-23 05:14:06,315 INFO L226 Difference]: Without dead ends: 37 [2018-11-23 05:14:06,315 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:06,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-23 05:14:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-23 05:14:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-23 05:14:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-11-23 05:14:06,318 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 10 [2018-11-23 05:14:06,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:06,318 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-11-23 05:14:06,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:14:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-11-23 05:14:06,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 05:14:06,318 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:14:06,318 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:14:06,319 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:14:06,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:14:06,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1147014337, now seen corresponding path program 1 times [2018-11-23 05:14:06,319 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:14:06,319 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:14:06,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:14:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:14:06,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:14:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:14:06,464 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:14:06,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:14:06,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:14:06,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:14:06,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:14:06,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:14:06,472 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 4 states. [2018-11-23 05:14:11,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:11,249 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-11-23 05:14:11,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:14:11,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-23 05:14:11,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:11,261 INFO L225 Difference]: With dead ends: 37 [2018-11-23 05:14:11,261 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 05:14:11,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:14:11,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 05:14:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 05:14:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 05:14:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2018-11-23 05:14:11,264 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 12 [2018-11-23 05:14:11,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:11,264 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2018-11-23 05:14:11,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:14:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2018-11-23 05:14:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:14:11,264 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:14:11,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:14:11,265 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:14:11,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:14:11,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1197710182, now seen corresponding path program 1 times [2018-11-23 05:14:11,265 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:14:11,265 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:14:11,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:14:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:14:11,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:14:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:14:11,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:14:11,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:14:11,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:14:11,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:14:11,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:14:11,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:11,333 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 3 states. [2018-11-23 05:14:15,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:15,463 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2018-11-23 05:14:15,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:14:15,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 05:14:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:15,470 INFO L225 Difference]: With dead ends: 35 [2018-11-23 05:14:15,470 INFO L226 Difference]: Without dead ends: 31 [2018-11-23 05:14:15,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:15,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-23 05:14:15,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-23 05:14:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 05:14:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-23 05:14:15,473 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 13 [2018-11-23 05:14:15,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:15,473 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-23 05:14:15,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:14:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-23 05:14:15,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 05:14:15,474 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:14:15,474 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:14:15,474 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:14:15,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:14:15,474 INFO L82 PathProgramCache]: Analyzing trace with hash -51618866, now seen corresponding path program 1 times [2018-11-23 05:14:15,475 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:14:15,475 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:14:15,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:14:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:14:15,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:14:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:14:15,533 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:14:15,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:14:15,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:14:15,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:14:15,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:14:15,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:15,549 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 3 states. [2018-11-23 05:14:18,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:18,482 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-23 05:14:18,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:14:18,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-23 05:14:18,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:18,490 INFO L225 Difference]: With dead ends: 31 [2018-11-23 05:14:18,490 INFO L226 Difference]: Without dead ends: 29 [2018-11-23 05:14:18,490 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:18,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-23 05:14:18,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-23 05:14:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-23 05:14:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-11-23 05:14:18,493 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 15 [2018-11-23 05:14:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:18,494 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-11-23 05:14:18,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:14:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-11-23 05:14:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 05:14:18,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:14:18,495 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:14:18,495 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:14:18,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:14:18,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1600180719, now seen corresponding path program 1 times [2018-11-23 05:14:18,496 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:14:18,496 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:14:18,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:14:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:14:18,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:14:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:14:18,547 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:14:18,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:14:18,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:14:18,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:14:18,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:14:18,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:18,560 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 3 states. [2018-11-23 05:14:22,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:22,576 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-11-23 05:14:22,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:14:22,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-23 05:14:22,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:22,582 INFO L225 Difference]: With dead ends: 29 [2018-11-23 05:14:22,583 INFO L226 Difference]: Without dead ends: 25 [2018-11-23 05:14:22,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-23 05:14:22,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-23 05:14:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 05:14:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-11-23 05:14:22,585 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 16 [2018-11-23 05:14:22,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:22,585 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-11-23 05:14:22,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:14:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-11-23 05:14:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 05:14:22,585 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:14:22,585 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:14:22,585 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:14:22,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:14:22,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1137675106, now seen corresponding path program 1 times [2018-11-23 05:14:22,586 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:14:22,586 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:14:22,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:14:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:14:22,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:14:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:14:22,791 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:14:22,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:14:22,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:14:22,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:14:22,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:14:22,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:14:22,809 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 3 states. [2018-11-23 05:14:25,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:25,377 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-23 05:14:25,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:14:25,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-23 05:14:25,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:25,384 INFO L225 Difference]: With dead ends: 25 [2018-11-23 05:14:25,384 INFO L226 Difference]: Without dead ends: 23 [2018-11-23 05:14:25,384 INFO L631 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 [2018-11-23 05:14:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-23 05:14:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-23 05:14:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-23 05:14:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-11-23 05:14:25,387 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 19 [2018-11-23 05:14:25,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:25,387 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-11-23 05:14:25,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:14:25,387 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-11-23 05:14:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 05:14:25,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:14:25,388 INFO L402 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] [2018-11-23 05:14:25,388 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:14:25,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:14:25,388 INFO L82 PathProgramCache]: Analyzing trace with hash -888025949, now seen corresponding path program 1 times [2018-11-23 05:14:25,389 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:14:25,389 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/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 [2018-11-23 05:14:25,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:14:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:14:27,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:14:33,699 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (fp.isSubnormal main_~f~0) (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven main_~f~0)) main_~f~0)))) is different from false [2018-11-23 05:14:35,714 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~f~0 (_ FloatingPoint 8 24))) (and (fp.isSubnormal main_~f~0) (not (fp.eq ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven main_~f~0)) main_~f~0)))) is different from true [2018-11-23 05:14:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:14:35,716 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:14:35,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:14:35,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:14:35,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:14:35,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:14:35,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2018-11-23 05:14:35,731 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 4 states. [2018-11-23 05:14:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:14:38,040 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-11-23 05:14:38,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:14:38,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 05:14:38,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:14:38,053 INFO L225 Difference]: With dead ends: 23 [2018-11-23 05:14:38,054 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:14:38,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2018-11-23 05:14:38,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:14:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:14:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:14:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:14:38,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-11-23 05:14:38,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:14:38,055 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:14:38,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:14:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:14:38,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:14:38,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:14:38,099 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 05:14:38,099 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:14:38,099 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:14:38,099 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 05:14:38,100 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 364 390) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L374(line 374) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L374-2(line 374) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-23 05:14:38,100 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 364 390) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 364 390) the Hoare annotation is: true [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L370-3(line 370) no Hoare annotation was computed. [2018-11-23 05:14:38,101 INFO L448 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2018-11-23 05:14:38,102 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,103 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2018-11-23 05:14:38,103 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-23 05:14:38,103 INFO L448 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-23 05:14:38,103 INFO L448 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:14:38,103 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2018-11-23 05:14:38,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:14:38 BoogieIcfgContainer [2018-11-23 05:14:38,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:14:38,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:14:38,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:14:38,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:14:38,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:13:52" (3/4) ... [2018-11-23 05:14:38,108 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:14:38,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:14:38,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:14:38,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:14:38,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:14:38,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:14:38,154 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b2e1d578-e29a-408f-8ecb-cf885aee83d0/bin-2019/uautomizer/witness.graphml [2018-11-23 05:14:38,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:14:38,155 INFO L168 Benchmark]: Toolchain (without parser) took 54509.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.4 MB in the beginning and 929.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 138.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:14:38,155 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-23 05:14:38,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.80 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 837.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:14:38,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 837.0 MB in the beginning and 1.1 GB in the end (delta: -280.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:14:38,156 INFO L168 Benchmark]: Boogie Preprocessor took 20.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:14:38,156 INFO L168 Benchmark]: RCFGBuilder took 7604.82 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:14:38,157 INFO L168 Benchmark]: TraceAbstraction took 46013.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.2 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:14:38,157 INFO L168 Benchmark]: Witness Printer took 48.87 ms. Allocated memory is still 1.2 GB. Free memory is still 929.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:14:38,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 744.80 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 837.0 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 837.0 MB in the beginning and 1.1 GB in the end (delta: -280.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 7604.82 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 46013.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.2 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.87 ms. Allocated memory is still 1.2 GB. Free memory is still 929.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 384]: 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: 388]: 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: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 373]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 379]: 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: 383]: 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: 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: 382]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 52 locations, 13 error locations. SAFE Result, 45.9s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 34.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 180 SDtfs, 192 SDslu, 74 SDs, 0 SdLazy, 124 SolverSat, 5 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 33.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 96 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 114 ConstructedInterpolants, 1 QuantifiedInterpolants, 9579 SizeOfPredicates, 16 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...