./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan --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 Taipan --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_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941e668ccf070b9a219d3bc8afc49564f51e679a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:56:44,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:56:44,182 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:56:44,193 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:56:44,193 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:56:44,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:56:44,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:56:44,198 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:56:44,199 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:56:44,200 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:56:44,201 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:56:44,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:56:44,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:56:44,203 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:56:44,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:56:44,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:56:44,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:56:44,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:56:44,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:56:44,213 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:56:44,214 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:56:44,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:56:44,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:56:44,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:56:44,218 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:56:44,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:56:44,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:56:44,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:56:44,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:56:44,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:56:44,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:56:44,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:56:44,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:56:44,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:56:44,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:56:44,227 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:56:44,228 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:56:44,242 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:56:44,242 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:56:44,243 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:56:44,243 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:56:44,243 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:56:44,244 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:56:44,244 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:56:44,244 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:56:44,245 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:56:44,245 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:56:44,245 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:56:44,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:56:44,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:56:44,246 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:56:44,247 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:56:44,247 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:56:44,247 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:56:44,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:56:44,247 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:56:44,248 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:56:44,248 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:56:44,248 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:56:44,250 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:56:44,250 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:56:44,250 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:56:44,250 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:56:44,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:56:44,251 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:56:44,251 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:56:44,251 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:56:44,251 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:56:44,251 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:56:44,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:56:44,252 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:56:44,252 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan 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 -> Taipan 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 [2018-10-26 23:56:44,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:56:44,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:56:44,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:56:44,302 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:56:44,302 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:56:44,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-10-26 23:56:44,357 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/a0b4cc77b/61e21965e3da48249f6b5dd270b25f60/FLAG60830933d [2018-10-26 23:56:44,826 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:56:44,827 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-10-26 23:56:44,842 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/a0b4cc77b/61e21965e3da48249f6b5dd270b25f60/FLAG60830933d [2018-10-26 23:56:44,857 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/a0b4cc77b/61e21965e3da48249f6b5dd270b25f60 [2018-10-26 23:56:44,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:56:44,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:56:44,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:56:44,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:56:44,868 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:56:44,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:56:44" (1/1) ... [2018-10-26 23:56:44,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd24825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:44, skipping insertion in model container [2018-10-26 23:56:44,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:56:44" (1/1) ... [2018-10-26 23:56:44,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:56:44,927 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:56:45,474 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:995) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1511) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 23:56:45,483 INFO L168 Benchmark]: Toolchain (without parser) took 621.58 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:56:45,485 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:56:45,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.80 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:56:45,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 613.80 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:56:47,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:56:47,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:56:47,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:56:47,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:56:47,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:56:47,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:56:47,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:56:47,414 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:56:47,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:56:47,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:56:47,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:56:47,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:56:47,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:56:47,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:56:47,430 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:56:47,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:56:47,432 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:56:47,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:56:47,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:56:47,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:56:47,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:56:47,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:56:47,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:56:47,447 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:56:47,448 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:56:47,448 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:56:47,449 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:56:47,450 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:56:47,451 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:56:47,451 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:56:47,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:56:47,451 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:56:47,452 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:56:47,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:56:47,459 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:56:47,460 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 23:56:47,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:56:47,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:56:47,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:56:47,482 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:56:47,482 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:56:47,483 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:56:47,483 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:56:47,483 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:56:47,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:56:47,485 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:56:47,485 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:56:47,485 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:56:47,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:56:47,486 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:56:47,486 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:56:47,486 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:56:47,486 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:56:47,486 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:56:47,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:56:47,487 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:56:47,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:56:47,487 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:56:47,487 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:56:47,487 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:56:47,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:56:47,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:56:47,488 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:56:47,488 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:56:47,488 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 23:56:47,488 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:56:47,488 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:56:47,488 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:56:47,489 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_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan 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 -> Taipan 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 [2018-10-26 23:56:47,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:56:47,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:56:47,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:56:47,546 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:56:47,546 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:56:47,547 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-10-26 23:56:47,601 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/acfdb834f/f031094b639c4773a9abfd6fd8c7a692/FLAG7f9eebbc0 [2018-10-26 23:56:48,119 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:56:48,120 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-10-26 23:56:48,132 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/acfdb834f/f031094b639c4773a9abfd6fd8c7a692/FLAG7f9eebbc0 [2018-10-26 23:56:48,147 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/data/acfdb834f/f031094b639c4773a9abfd6fd8c7a692 [2018-10-26 23:56:48,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:56:48,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:56:48,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:56:48,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:56:48,157 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:56:48,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:56:48" (1/1) ... [2018-10-26 23:56:48,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a444db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:48, skipping insertion in model container [2018-10-26 23:56:48,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:56:48" (1/1) ... [2018-10-26 23:56:48,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:56:48,216 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:56:48,841 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:56:48,846 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:56:48,925 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:56:49,235 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:56:49,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49 WrapperNode [2018-10-26 23:56:49,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:56:49,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:56:49,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:56:49,237 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:56:49,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:56:49,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:56:49,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:56:49,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:56:49,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... [2018-10-26 23:56:49,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:56:49,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:56:49,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:56:49,346 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:56:49,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:56:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:56:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:56:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:56:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:56:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:56:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:57:00,024 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:57:00,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:57:00 BoogieIcfgContainer [2018-10-26 23:57:00,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:57:00,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:57:00,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:57:00,030 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:57:00,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:56:48" (1/3) ... [2018-10-26 23:57:00,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ee26ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:57:00, skipping insertion in model container [2018-10-26 23:57:00,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:56:49" (2/3) ... [2018-10-26 23:57:00,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ee26ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:57:00, skipping insertion in model container [2018-10-26 23:57:00,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:57:00" (3/3) ... [2018-10-26 23:57:00,034 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2018-10-26 23:57:00,043 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:57:00,050 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-10-26 23:57:00,064 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-10-26 23:57:00,087 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:57:00,088 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:57:00,088 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:57:00,088 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:57:00,088 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:57:00,089 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:57:00,089 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:57:00,089 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:57:00,089 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:57:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-10-26 23:57:00,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 23:57:00,110 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:00,111 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:00,114 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:00,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:00,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1329331664, now seen corresponding path program 1 times [2018-10-26 23:57:00,123 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:00,123 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:00,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:00,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:01,191 WARN L179 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 5 [2018-10-26 23:57:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:01,196 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:01,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:01,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:57:01,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:57:01,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:57:01,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:57:01,231 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 4 states. [2018-10-26 23:57:06,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:06,587 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2018-10-26 23:57:06,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:57:06,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-26 23:57:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:06,621 INFO L225 Difference]: With dead ends: 120 [2018-10-26 23:57:06,622 INFO L226 Difference]: Without dead ends: 51 [2018-10-26 23:57:06,625 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:57:06,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-26 23:57:06,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-10-26 23:57:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-26 23:57:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2018-10-26 23:57:06,670 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 8 [2018-10-26 23:57:06,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:06,670 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2018-10-26 23:57:06,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:57:06,672 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2018-10-26 23:57:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:57:06,673 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:06,673 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:06,674 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:06,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:06,674 INFO L82 PathProgramCache]: Analyzing trace with hash -725676931, now seen corresponding path program 1 times [2018-10-26 23:57:06,674 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:06,675 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 23:57:06,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 23:57:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:06,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:08,137 WARN L179 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2018-10-26 23:57:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:08,190 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:08,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:08,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:57:08,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:57:08,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:57:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:57:08,211 INFO L87 Difference]: Start difference. First operand 51 states and 50 transitions. Second operand 5 states. [2018-10-26 23:57:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:14,168 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2018-10-26 23:57:14,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:57:14,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-10-26 23:57:14,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:14,182 INFO L225 Difference]: With dead ends: 51 [2018-10-26 23:57:14,182 INFO L226 Difference]: Without dead ends: 49 [2018-10-26 23:57:14,183 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:57:14,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-10-26 23:57:14,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-10-26 23:57:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-10-26 23:57:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 48 transitions. [2018-10-26 23:57:14,190 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 48 transitions. Word has length 12 [2018-10-26 23:57:14,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:14,190 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 48 transitions. [2018-10-26 23:57:14,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:57:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2018-10-26 23:57:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:57:14,191 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:14,191 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:14,192 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:14,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:14,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1590700799, now seen corresponding path program 1 times [2018-10-26 23:57:14,193 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:14,193 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:14,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:14,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:14,518 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 5 [2018-10-26 23:57:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:14,521 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:14,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:14,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:57:14,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:57:14,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:57:14,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:57:14,533 INFO L87 Difference]: Start difference. First operand 49 states and 48 transitions. Second operand 4 states. [2018-10-26 23:57:20,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:20,145 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2018-10-26 23:57:20,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:57:20,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-10-26 23:57:20,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:20,154 INFO L225 Difference]: With dead ends: 49 [2018-10-26 23:57:20,154 INFO L226 Difference]: Without dead ends: 45 [2018-10-26 23:57:20,154 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:57:20,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-10-26 23:57:20,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-10-26 23:57:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-26 23:57:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 44 transitions. [2018-10-26 23:57:20,159 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 44 transitions. Word has length 14 [2018-10-26 23:57:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:20,160 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 44 transitions. [2018-10-26 23:57:20,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:57:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2018-10-26 23:57:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:57:20,162 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:20,162 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:20,163 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:20,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:20,163 INFO L82 PathProgramCache]: Analyzing trace with hash 847755726, now seen corresponding path program 1 times [2018-10-26 23:57:20,164 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:20,164 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:20,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:20,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:20,696 WARN L179 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2018-10-26 23:57:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:20,767 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:20,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:20,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:57:20,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:57:20,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:57:20,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:57:20,778 INFO L87 Difference]: Start difference. First operand 45 states and 44 transitions. Second operand 5 states. [2018-10-26 23:57:25,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:25,943 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2018-10-26 23:57:25,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:57:25,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-10-26 23:57:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:25,960 INFO L225 Difference]: With dead ends: 45 [2018-10-26 23:57:25,960 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 23:57:25,960 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:57:25,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 23:57:25,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-10-26 23:57:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-10-26 23:57:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-10-26 23:57:25,964 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 18 [2018-10-26 23:57:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:25,964 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-10-26 23:57:25,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:57:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-10-26 23:57:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:57:25,968 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:25,968 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:25,968 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:25,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:25,969 INFO L82 PathProgramCache]: Analyzing trace with hash 510627887, now seen corresponding path program 1 times [2018-10-26 23:57:25,969 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:25,969 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:25,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:26,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:26,104 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:26,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:26,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:57:26,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:57:26,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:57:26,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:26,126 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 3 states. [2018-10-26 23:57:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:31,892 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-10-26 23:57:31,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:57:31,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-26 23:57:31,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:31,899 INFO L225 Difference]: With dead ends: 43 [2018-10-26 23:57:31,899 INFO L226 Difference]: Without dead ends: 39 [2018-10-26 23:57:31,900 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-26 23:57:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-10-26 23:57:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 23:57:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2018-10-26 23:57:31,905 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 19 [2018-10-26 23:57:31,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:31,905 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2018-10-26 23:57:31,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:57:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2018-10-26 23:57:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:57:31,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:31,906 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:31,906 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:31,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:31,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1087260951, now seen corresponding path program 1 times [2018-10-26 23:57:31,907 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:31,907 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:31,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:31,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:31,998 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:32,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:32,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:57:32,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:57:32,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:57:32,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:32,006 INFO L87 Difference]: Start difference. First operand 39 states and 38 transitions. Second operand 3 states. [2018-10-26 23:57:36,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:36,482 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2018-10-26 23:57:36,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:57:36,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-10-26 23:57:36,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:36,492 INFO L225 Difference]: With dead ends: 39 [2018-10-26 23:57:36,492 INFO L226 Difference]: Without dead ends: 37 [2018-10-26 23:57:36,492 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:36,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-26 23:57:36,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-26 23:57:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 23:57:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-10-26 23:57:36,499 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 21 [2018-10-26 23:57:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:36,499 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-10-26 23:57:36,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:57:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-10-26 23:57:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:57:36,502 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:36,502 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:36,503 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:36,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:36,503 INFO L82 PathProgramCache]: Analyzing trace with hash -654644706, now seen corresponding path program 1 times [2018-10-26 23:57:36,503 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:36,504 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:36,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:36,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:36,573 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:36,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:36,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:57:36,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:57:36,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:57:36,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:36,586 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 3 states. [2018-10-26 23:57:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:42,048 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-10-26 23:57:42,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:57:42,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-10-26 23:57:42,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:42,059 INFO L225 Difference]: With dead ends: 37 [2018-10-26 23:57:42,060 INFO L226 Difference]: Without dead ends: 35 [2018-10-26 23:57:42,060 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:42,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-26 23:57:42,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-26 23:57:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-26 23:57:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2018-10-26 23:57:42,064 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 22 [2018-10-26 23:57:42,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:42,064 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2018-10-26 23:57:42,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:57:42,065 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2018-10-26 23:57:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:57:42,065 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:42,066 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:42,066 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:42,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:42,066 INFO L82 PathProgramCache]: Analyzing trace with hash 930214631, now seen corresponding path program 1 times [2018-10-26 23:57:42,067 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:42,067 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:42,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:42,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:42,423 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:42,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:42,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:57:42,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:57:42,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:57:42,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:42,437 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 3 states. [2018-10-26 23:57:46,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:46,355 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2018-10-26 23:57:46,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:57:46,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-26 23:57:46,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:46,363 INFO L225 Difference]: With dead ends: 35 [2018-10-26 23:57:46,363 INFO L226 Difference]: Without dead ends: 33 [2018-10-26 23:57:46,364 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:46,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-10-26 23:57:46,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-10-26 23:57:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-26 23:57:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-10-26 23:57:46,367 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 25 [2018-10-26 23:57:46,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:46,367 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-10-26 23:57:46,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:57:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-10-26 23:57:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:57:46,368 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:46,368 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:46,370 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:46,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:46,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1228113298, now seen corresponding path program 1 times [2018-10-26 23:57:46,371 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:46,371 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/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 [2018-10-26 23:57:46,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:46,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:46,697 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:46,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:46,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:57:46,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:57:46,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:57:46,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:46,711 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 3 states. [2018-10-26 23:57:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:49,594 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-10-26 23:57:49,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:57:49,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-26 23:57:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:49,603 INFO L225 Difference]: With dead ends: 33 [2018-10-26 23:57:49,603 INFO L226 Difference]: Without dead ends: 31 [2018-10-26 23:57:49,603 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:57:49,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-10-26 23:57:49,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-10-26 23:57:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-10-26 23:57:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-10-26 23:57:49,606 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 26 [2018-10-26 23:57:49,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:49,606 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-10-26 23:57:49,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:57:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-10-26 23:57:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:57:49,607 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:57:49,607 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:57:49,608 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:57:49,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:57:49,610 INFO L82 PathProgramCache]: Analyzing trace with hash 896712315, now seen corresponding path program 1 times [2018-10-26 23:57:49,610 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:57:49,610 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-10-26 23:57:49,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:57:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:57:54,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:57:55,379 WARN L179 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2018-10-26 23:57:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:57:57,300 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:57:57,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:57:57,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:57:57,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:57:57,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:57:57,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:57:57,314 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 4 states. [2018-10-26 23:57:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:57:57,590 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-10-26 23:57:57,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:57:57,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-10-26 23:57:57,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:57:57,592 INFO L225 Difference]: With dead ends: 31 [2018-10-26 23:57:57,592 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:57:57,593 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:57:57,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:57:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:57:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:57:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:57:57,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-10-26 23:57:57,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:57:57,593 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:57:57,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:57:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:57:57,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:57:57,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:57:57,695 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 23:57:57,695 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:57:57,695 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 23:57:57,696 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 364 390) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point L374-3(line 374) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point L374-4(line 374) no Hoare annotation was computed. [2018-10-26 23:57:57,696 INFO L425 ceAbstractionStarter]: For program point L374-5(line 374) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L374-7(line 374) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L376-2(line 376) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L376-4(line 376) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point L376-5(line 376) no Hoare annotation was computed. [2018-10-26 23:57:57,697 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 364 390) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 364 390) the Hoare annotation is: true [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-10-26 23:57:57,698 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L370-2(line 370) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L370-4(line 370) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L370-5(line 370) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L370-6(line 370) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point L370-8(line 370) no Hoare annotation was computed. [2018-10-26 23:57:57,699 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2018-10-26 23:57:57,700 INFO L425 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2018-10-26 23:57:57,700 INFO L425 ceAbstractionStarter]: For program point L387-2(line 387) no Hoare annotation was computed. [2018-10-26 23:57:57,700 INFO L425 ceAbstractionStarter]: For program point L387-4(line 387) no Hoare annotation was computed. [2018-10-26 23:57:57,700 INFO L425 ceAbstractionStarter]: For program point L387-5(line 387) no Hoare annotation was computed. [2018-10-26 23:57:57,700 INFO L425 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-10-26 23:57:57,700 INFO L425 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,712 INFO L425 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-10-26 23:57:57,712 INFO L425 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-10-26 23:57:57,712 INFO L425 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2018-10-26 23:57:57,712 INFO L425 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2018-10-26 23:57:57,712 INFO L425 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L372-2(line 372) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L372-4(line 372) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L372-5(line 372) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-10-26 23:57:57,713 INFO L425 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2018-10-26 23:57:57,714 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2018-10-26 23:57:57,714 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-10-26 23:57:57,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:57:57 BoogieIcfgContainer [2018-10-26 23:57:57,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:57:57,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:57:57,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:57:57,722 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:57:57,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:57:00" (3/4) ... [2018-10-26 23:57:57,726 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:57:57,736 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:57:57,737 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:57:57,743 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 23:57:57,743 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:57:57,744 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 23:57:57,808 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dc3332c1-49cd-46ee-8542-16c3bfdf3fb4/bin-2019/utaipan/witness.graphml [2018-10-26 23:57:57,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:57:57,809 INFO L168 Benchmark]: Toolchain (without parser) took 69657.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:57:57,809 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:57:57,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1083.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 829.6 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:57:57,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.95 ms. Allocated memory is still 1.0 GB. Free memory was 829.6 MB in the beginning and 824.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:57:57,811 INFO L168 Benchmark]: Boogie Preprocessor took 36.01 ms. Allocated memory is still 1.0 GB. Free memory is still 824.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:57:57,811 INFO L168 Benchmark]: RCFGBuilder took 10685.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 824.2 MB in the beginning and 1.1 GB in the end (delta: -287.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:57:57,811 INFO L168 Benchmark]: TraceAbstraction took 57694.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.5 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:57:57,812 INFO L168 Benchmark]: Witness Printer took 86.68 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. [2018-10-26 23:57:57,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1083.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 829.6 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.95 ms. Allocated memory is still 1.0 GB. Free memory was 829.6 MB in the beginning and 824.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.01 ms. Allocated memory is still 1.0 GB. Free memory is still 824.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10685.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 824.2 MB in the beginning and 1.1 GB in the end (delta: -287.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57694.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.5 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * Witness Printer took 86.68 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 382]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 383]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 388]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 379]: 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: 373]: 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: 380]: 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: 385]: 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: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 70 locations, 13 error locations. SAFE Result, 57.6s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 45.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 283 SDtfs, 145 SDslu, 271 SDs, 0 SdLazy, 219 SolverSat, 7 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 43.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 163 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 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, 5.9s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 29152 SizeOfPredicates, 18 NumberOfNonLiveVariables, 275 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...