./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_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:36:36,390 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:36:36,391 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:36:36,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:36:36,398 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:36:36,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:36:36,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:36:36,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:36:36,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:36:36,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:36:36,403 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:36:36,403 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:36:36,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:36:36,404 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:36:36,405 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:36:36,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:36:36,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:36:36,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:36:36,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:36:36,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:36:36,411 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:36:36,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:36:36,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:36:36,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:36:36,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:36:36,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:36:36,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:36:36,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:36:36,416 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:36:36,417 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:36:36,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:36:36,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:36:36,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:36:36,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:36:36,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:36:36,419 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:36:36,419 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:36:36,429 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:36:36,429 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:36:36,430 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:36:36,430 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:36:36,430 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:36:36,430 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:36:36,430 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:36:36,430 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:36:36,430 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:36:36,431 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:36:36,431 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:36:36,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:36:36,431 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:36:36,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:36:36,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:36:36,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:36:36,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:36:36,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:36:36,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:36:36,432 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:36:36,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:36:36,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:36:36,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:36:36,433 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:36:36,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:36:36,433 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:36:36,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:36:36,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:36:36,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:36:36,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:36:36,434 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:36:36,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:36:36,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:36:36,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:36:36,435 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_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:36:36,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:36:36,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:36:36,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:36:36,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:36:36,470 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:36:36,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 13:36:36,507 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/243c09e82/a6a06a43af33441e92104e839b99cf50/FLAG143dc8adf [2018-11-10 13:36:36,849 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:36:36,849 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 13:36:36,858 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/243c09e82/a6a06a43af33441e92104e839b99cf50/FLAG143dc8adf [2018-11-10 13:36:36,867 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/243c09e82/a6a06a43af33441e92104e839b99cf50 [2018-11-10 13:36:36,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:36:36,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:36:36,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:36,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:36:36,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:36:36,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:36" (1/1) ... [2018-11-10 13:36:36,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dab7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:36, skipping insertion in model container [2018-11-10 13:36:36,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:36" (1/1) ... [2018-11-10 13:36:36,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:36:36,909 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:36:37,196 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:995) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1511) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 13:36:37,198 INFO L168 Benchmark]: Toolchain (without parser) took 329.01 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:37,200 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:36:37,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.61 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:37,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.61 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:36:38,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:36:38,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:36:38,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:36:38,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:36:38,402 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:36:38,403 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:36:38,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:36:38,406 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:36:38,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:36:38,407 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:36:38,407 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:36:38,408 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:36:38,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:36:38,410 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:36:38,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:36:38,411 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:36:38,412 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:36:38,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:36:38,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:36:38,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:36:38,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:36:38,417 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:36:38,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:36:38,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:36:38,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:36:38,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:36:38,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:36:38,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:36:38,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:36:38,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:36:38,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:36:38,421 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:36:38,421 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:36:38,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:36:38,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:36:38,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 13:36:38,433 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:36:38,433 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:36:38,434 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:36:38,434 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:36:38,434 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:36:38,434 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:36:38,434 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:36:38,434 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:36:38,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:36:38,435 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:36:38,435 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:36:38,435 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:36:38,435 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:36:38,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:36:38,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:36:38,436 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 13:36:38,436 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 13:36:38,436 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:36:38,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:36:38,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:36:38,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:36:38,437 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:36:38,437 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:36:38,437 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:36:38,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:36:38,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:36:38,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:36:38,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:36:38,437 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 13:36:38,438 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:36:38,438 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 13:36:38,438 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 13:36:38,438 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_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:36:38,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:36:38,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:36:38,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:36:38,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:36:38,481 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:36:38,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 13:36:38,521 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/dcb6e1eb7/afdd0be7b2eb47e69d061bc9b883cd7f/FLAG95d0055e0 [2018-11-10 13:36:38,897 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:36:38,897 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-10 13:36:38,906 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/dcb6e1eb7/afdd0be7b2eb47e69d061bc9b883cd7f/FLAG95d0055e0 [2018-11-10 13:36:38,917 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/data/dcb6e1eb7/afdd0be7b2eb47e69d061bc9b883cd7f [2018-11-10 13:36:38,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:36:38,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:36:38,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:38,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:36:38,922 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:36:38,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:38" (1/1) ... [2018-11-10 13:36:38,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f134168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:38, skipping insertion in model container [2018-11-10 13:36:38,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:38" (1/1) ... [2018-11-10 13:36:38,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:36:38,964 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:36:39,360 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:39,363 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:36:39,402 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:39,579 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:36:39,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39 WrapperNode [2018-11-10 13:36:39,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:39,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:39,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:36:39,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:36:39,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:39,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:36:39,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:36:39,608 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:36:39,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... [2018-11-10 13:36:39,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:36:39,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:36:39,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:36:39,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:36:39,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:36:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:36:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:36:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:36:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:36:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:36:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:36:46,223 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:36:46,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:46 BoogieIcfgContainer [2018-11-10 13:36:46,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:36:46,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:36:46,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:36:46,226 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:36:46,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:36:38" (1/3) ... [2018-11-10 13:36:46,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f8a767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:36:46, skipping insertion in model container [2018-11-10 13:36:46,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:39" (2/3) ... [2018-11-10 13:36:46,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f8a767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:36:46, skipping insertion in model container [2018-11-10 13:36:46,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:46" (3/3) ... [2018-11-10 13:36:46,228 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2018-11-10 13:36:46,234 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:36:46,239 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-10 13:36:46,247 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-10 13:36:46,266 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:36:46,267 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:36:46,267 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:36:46,267 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:36:46,267 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:36:46,267 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:36:46,268 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:36:46,268 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:36:46,268 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:36:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-10 13:36:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 13:36:46,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:46,282 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:46,283 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:46,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:46,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1329331664, now seen corresponding path program 1 times [2018-11-10 13:36:46,289 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:36:46,290 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:36:46,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:36:46,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:36:46,572 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 5 [2018-11-10 13:36:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:36:46,575 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:36:46,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:36:46,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 13:36:46,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 13:36:46,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 13:36:46,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:36:46,597 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 4 states. [2018-11-10 13:36:51,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:36:51,419 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2018-11-10 13:36:51,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 13:36:51,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-10 13:36:51,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:36:51,447 INFO L225 Difference]: With dead ends: 120 [2018-11-10 13:36:51,447 INFO L226 Difference]: Without dead ends: 51 [2018-11-10 13:36:51,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:36:51,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-10 13:36:51,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-11-10 13:36:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-10 13:36:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2018-11-10 13:36:51,472 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 8 [2018-11-10 13:36:51,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:36:51,472 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2018-11-10 13:36:51,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 13:36:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2018-11-10 13:36:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 13:36:51,473 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:51,473 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:51,473 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:51,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:51,473 INFO L82 PathProgramCache]: Analyzing trace with hash -725676931, now seen corresponding path program 1 times [2018-11-10 13:36:51,474 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:36:51,474 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 13:36:51,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:36:51,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:36:51,907 WARN L179 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2018-11-10 13:36:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:36:51,939 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:36:51,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:36:51,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 13:36:51,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 13:36:51,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 13:36:51,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:36:51,948 INFO L87 Difference]: Start difference. First operand 51 states and 50 transitions. Second operand 5 states. [2018-11-10 13:36:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:36:57,625 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2018-11-10 13:36:57,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 13:36:57,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-11-10 13:36:57,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:36:57,636 INFO L225 Difference]: With dead ends: 51 [2018-11-10 13:36:57,636 INFO L226 Difference]: Without dead ends: 49 [2018-11-10 13:36:57,637 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:36:57,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-10 13:36:57,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-10 13:36:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-10 13:36:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 48 transitions. [2018-11-10 13:36:57,641 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 48 transitions. Word has length 12 [2018-11-10 13:36:57,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:36:57,641 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 48 transitions. [2018-11-10 13:36:57,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 13:36:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2018-11-10 13:36:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 13:36:57,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:57,642 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:57,643 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:57,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:57,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1590700799, now seen corresponding path program 1 times [2018-11-10 13:36:57,643 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:36:57,643 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:36:57,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:36:57,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:36:57,807 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 5 [2018-11-10 13:36:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:36:57,809 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:36:57,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:36:57,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 13:36:57,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 13:36:57,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 13:36:57,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:36:57,817 INFO L87 Difference]: Start difference. First operand 49 states and 48 transitions. Second operand 4 states. [2018-11-10 13:37:02,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:37:02,502 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2018-11-10 13:37:02,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 13:37:02,508 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-10 13:37:02,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:37:02,508 INFO L225 Difference]: With dead ends: 49 [2018-11-10 13:37:02,508 INFO L226 Difference]: Without dead ends: 45 [2018-11-10 13:37:02,509 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:37:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-10 13:37:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-10 13:37:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-10 13:37:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 44 transitions. [2018-11-10 13:37:02,512 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 44 transitions. Word has length 14 [2018-11-10 13:37:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:37:02,513 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 44 transitions. [2018-11-10 13:37:02,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 13:37:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2018-11-10 13:37:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 13:37:02,513 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:37:02,513 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:37:02,514 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:37:02,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:37:02,514 INFO L82 PathProgramCache]: Analyzing trace with hash 847755726, now seen corresponding path program 1 times [2018-11-10 13:37:02,514 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:37:02,514 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:37:02,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:37:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:37:02,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:37:02,825 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2018-11-10 13:37:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:37:02,874 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:37:02,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:37:02,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 13:37:02,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 13:37:02,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 13:37:02,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:37:02,883 INFO L87 Difference]: Start difference. First operand 45 states and 44 transitions. Second operand 5 states. [2018-11-10 13:37:06,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:37:06,779 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2018-11-10 13:37:06,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 13:37:06,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-10 13:37:06,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:37:06,790 INFO L225 Difference]: With dead ends: 45 [2018-11-10 13:37:06,790 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 13:37:06,790 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:37:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 13:37:06,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-10 13:37:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-10 13:37:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-10 13:37:06,793 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 18 [2018-11-10 13:37:06,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:37:06,793 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-10 13:37:06,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 13:37:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-10 13:37:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 13:37:06,794 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:37:06,794 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:37:06,794 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:37:06,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:37:06,794 INFO L82 PathProgramCache]: Analyzing trace with hash 510627887, now seen corresponding path program 1 times [2018-11-10 13:37:06,795 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:37:06,795 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:37:06,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:37:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:37:06,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:37:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:37:06,835 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:37:06,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:37:06,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:37:06,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:37:06,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:37:06,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:06,844 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 3 states. [2018-11-10 13:37:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:37:10,173 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-10 13:37:10,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:37:10,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-10 13:37:10,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:37:10,179 INFO L225 Difference]: With dead ends: 43 [2018-11-10 13:37:10,179 INFO L226 Difference]: Without dead ends: 39 [2018-11-10 13:37:10,179 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:10,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-10 13:37:10,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-10 13:37:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 13:37:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2018-11-10 13:37:10,182 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 19 [2018-11-10 13:37:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:37:10,183 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2018-11-10 13:37:10,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:37:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2018-11-10 13:37:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 13:37:10,183 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:37:10,184 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:37:10,184 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:37:10,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:37:10,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1087260951, now seen corresponding path program 1 times [2018-11-10 13:37:10,184 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:37:10,185 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:37:10,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:37:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:37:10,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:37:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:37:10,231 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:37:10,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:37:10,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:37:10,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:37:10,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:37:10,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:10,244 INFO L87 Difference]: Start difference. First operand 39 states and 38 transitions. Second operand 3 states. [2018-11-10 13:37:14,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:37:14,362 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2018-11-10 13:37:14,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:37:14,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-10 13:37:14,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:37:14,368 INFO L225 Difference]: With dead ends: 39 [2018-11-10 13:37:14,368 INFO L226 Difference]: Without dead ends: 37 [2018-11-10 13:37:14,369 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:14,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-10 13:37:14,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-10 13:37:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-10 13:37:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-11-10 13:37:14,370 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 21 [2018-11-10 13:37:14,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:37:14,371 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-11-10 13:37:14,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:37:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-11-10 13:37:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 13:37:14,371 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:37:14,371 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:37:14,371 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:37:14,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:37:14,371 INFO L82 PathProgramCache]: Analyzing trace with hash -654644706, now seen corresponding path program 1 times [2018-11-10 13:37:14,372 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:37:14,372 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:37:14,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:37:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:37:14,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:37:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:37:14,417 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:37:14,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:37:14,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:37:14,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:37:14,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:37:14,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:14,425 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 3 states. [2018-11-10 13:37:18,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:37:18,660 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-11-10 13:37:18,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:37:18,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-10 13:37:18,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:37:18,667 INFO L225 Difference]: With dead ends: 37 [2018-11-10 13:37:18,667 INFO L226 Difference]: Without dead ends: 33 [2018-11-10 13:37:18,667 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:18,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-10 13:37:18,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-10 13:37:18,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-10 13:37:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-11-10 13:37:18,670 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 22 [2018-11-10 13:37:18,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:37:18,670 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-11-10 13:37:18,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:37:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-11-10 13:37:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 13:37:18,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:37:18,671 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:37:18,671 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:37:18,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:37:18,671 INFO L82 PathProgramCache]: Analyzing trace with hash 930214631, now seen corresponding path program 1 times [2018-11-10 13:37:18,672 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:37:18,672 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:37:18,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:37:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:37:18,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:37:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:37:18,869 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:37:18,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:37:18,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:37:18,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:37:18,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:37:18,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:18,884 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 3 states. [2018-11-10 13:37:20,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:37:20,514 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-11-10 13:37:20,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:37:20,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-10 13:37:20,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:37:20,520 INFO L225 Difference]: With dead ends: 33 [2018-11-10 13:37:20,520 INFO L226 Difference]: Without dead ends: 31 [2018-11-10 13:37:20,520 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:37:20,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-10 13:37:20,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-10 13:37:20,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 13:37:20,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-10 13:37:20,522 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 25 [2018-11-10 13:37:20,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:37:20,522 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-10 13:37:20,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:37:20,523 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-10 13:37:20,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 13:37:20,523 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:37:20,523 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:37:20,523 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:37:20,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:37:20,524 INFO L82 PathProgramCache]: Analyzing trace with hash 896712315, now seen corresponding path program 1 times [2018-11-10 13:37:20,524 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:37:20,524 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/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 [2018-11-10 13:37:20,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:37:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:37:25,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:37:25,326 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2018-11-10 13:37:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:37:29,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:37:29,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:37:29,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 13:37:29,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 13:37:29,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 13:37:29,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:37:29,139 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 4 states. [2018-11-10 13:37:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:37:29,378 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-10 13:37:29,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 13:37:29,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-10 13:37:29,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:37:29,378 INFO L225 Difference]: With dead ends: 31 [2018-11-10 13:37:29,378 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:37:29,379 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 13:37:29,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:37:29,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:37:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:37:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:37:29,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-10 13:37:29,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:37:29,379 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:37:29,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 13:37:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:37:29,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:37:29,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:37:29,413 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 13:37:29,413 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:37:29,413 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:37:29,413 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 13:37:29,413 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:37:29,413 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:37:29,413 INFO L425 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2018-11-10 13:37:29,413 INFO L425 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,413 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 364 390) no Hoare annotation was computed. [2018-11-10 13:37:29,413 INFO L425 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L374-3(line 374) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L374-4(line 374) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L374-5(line 374) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L374-7(line 374) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,414 INFO L425 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L376-2(line 376) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L376-4(line 376) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L376-5(line 376) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 364 390) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 364 390) the Hoare annotation is: true [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-10 13:37:29,415 INFO L425 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L370-2(line 370) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L370-4(line 370) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L370-5(line 370) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L370-6(line 370) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L370-8(line 370) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2018-11-10 13:37:29,416 INFO L425 ceAbstractionStarter]: For program point L387-2(line 387) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L387-4(line 387) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L387-5(line 387) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2018-11-10 13:37:29,417 INFO L425 ceAbstractionStarter]: For program point L372-2(line 372) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point L372-4(line 372) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point L372-5(line 372) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-10 13:37:29,418 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2018-11-10 13:37:29,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:37:29 BoogieIcfgContainer [2018-11-10 13:37:29,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:37:29,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:37:29,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:37:29,421 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:37:29,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:46" (3/4) ... [2018-11-10 13:37:29,425 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:37:29,431 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 13:37:29,431 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 13:37:29,435 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 13:37:29,435 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 13:37:29,435 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 13:37:29,478 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58b72e44-586d-4347-9fd6-fbcad313a539/bin-2019/utaipan/witness.graphml [2018-11-10 13:37:29,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:37:29,479 INFO L168 Benchmark]: Toolchain (without parser) took 50560.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -124.7 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:37:29,480 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:37:29,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 840.5 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:37:29,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.0 GB. Free memory was 840.5 MB in the beginning and 835.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:37:29,481 INFO L168 Benchmark]: Boogie Preprocessor took 68.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 835.1 MB in the beginning and 1.1 GB in the end (delta: -281.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:37:29,481 INFO L168 Benchmark]: RCFGBuilder took 6547.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:37:29,481 INFO L168 Benchmark]: TraceAbstraction took 43197.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:37:29,484 INFO L168 Benchmark]: Witness Printer took 57.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:37:29,485 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 659.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 840.5 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.0 GB. Free memory was 840.5 MB in the beginning and 835.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 835.1 MB in the beginning and 1.1 GB in the end (delta: -281.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6547.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43197.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - 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: 374]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 388]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 373]: 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: 379]: 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, 43.1s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 32.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 252 SDtfs, 175 SDslu, 240 SDs, 0 SdLazy, 213 SolverSat, 8 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 31.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 23527 SizeOfPredicates, 16 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...