./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 356e353e7bb6e96bd959fe4862b56669bada9c19 ...................................................................................................................................................................................... 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_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 356e353e7bb6e96bd959fe4862b56669bada9c19 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:35:44,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:35:44,413 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:35:44,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:35:44,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:35:44,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:35:44,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:35:44,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:35:44,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:35:44,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:35:44,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:35:44,425 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:35:44,426 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:35:44,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:35:44,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:35:44,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:35:44,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:35:44,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:35:44,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:35:44,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:35:44,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:35:44,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:35:44,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:35:44,436 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:35:44,436 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:35:44,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:35:44,437 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:35:44,437 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:35:44,438 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:35:44,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:35:44,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:35:44,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:35:44,439 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:35:44,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:35:44,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:35:44,440 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:35:44,440 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 06:35:44,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:35:44,450 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:35:44,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:35:44,450 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:35:44,451 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:35:44,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:35:44,451 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:35:44,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:35:44,451 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:35:44,451 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:35:44,451 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:35:44,452 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:35:44,452 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:35:44,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:35:44,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:35:44,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:35:44,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:35:44,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:35:44,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:35:44,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:35:44,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:35:44,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:35:44,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:35:44,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:35:44,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:35:44,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:35:44,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:35:44,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:35:44,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:35:44,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:35:44,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:35:44,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:35:44,455 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:35:44,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:35:44,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:35:44,456 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 06:35:44,456 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_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2018-12-09 06:35:44,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:35:44,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:35:44,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:35:44,487 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:35:44,487 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:35:44,488 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-12-09 06:35:44,520 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/bf3ae67bc/6b888f66cd2a492fba5c6c1d3ff68213/FLAGc3691da91 [2018-12-09 06:35:44,852 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:35:44,852 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-12-09 06:35:44,859 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/bf3ae67bc/6b888f66cd2a492fba5c6c1d3ff68213/FLAGc3691da91 [2018-12-09 06:35:44,867 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/bf3ae67bc/6b888f66cd2a492fba5c6c1d3ff68213 [2018-12-09 06:35:44,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:35:44,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:35:44,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:35:44,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:35:44,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:35:44,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:35:44" (1/1) ... [2018-12-09 06:35:44,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8d63fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:44, skipping insertion in model container [2018-12-09 06:35:44,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:35:44" (1/1) ... [2018-12-09 06:35:44,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:35:44,900 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:35:45,134 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:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1668) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) 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:998) 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:2291) 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:665) 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:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1640) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) 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:1271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1342) 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:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 06:35:45,137 INFO L168 Benchmark]: Toolchain (without parser) took 267.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 936.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:45,138 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:35:45,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.25 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 936.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:45,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.25 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 936.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 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:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:35:46,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:35:46,190 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:35:46,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:35:46,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:35:46,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:35:46,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:35:46,200 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:35:46,201 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:35:46,202 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:35:46,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:35:46,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:35:46,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:35:46,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:35:46,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:35:46,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:35:46,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:35:46,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:35:46,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:35:46,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:35:46,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:35:46,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:35:46,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:35:46,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:35:46,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:35:46,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:35:46,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:35:46,215 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:35:46,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:35:46,216 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:35:46,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:35:46,217 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:35:46,217 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:35:46,217 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:35:46,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:35:46,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:35:46,218 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 06:35:46,228 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:35:46,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:35:46,229 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:35:46,229 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:35:46,229 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:35:46,229 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:35:46,229 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:35:46,230 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:35:46,230 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:35:46,230 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:35:46,230 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:35:46,230 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:35:46,230 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:35:46,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:35:46,231 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:35:46,231 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:35:46,231 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:35:46,231 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 06:35:46,231 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 06:35:46,231 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:35:46,231 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:35:46,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:35:46,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:35:46,232 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 06:35:46,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:35:46,233 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 06:35:46,233 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 06:35:46,233 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_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2018-12-09 06:35:46,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:35:46,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:35:46,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:35:46,265 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:35:46,266 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:35:46,266 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-12-09 06:35:46,302 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/2bd244bf9/d2946e76be8d46c28ed964dfcbfb85ab/FLAGfd2b548e6 [2018-12-09 06:35:46,668 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:35:46,668 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-12-09 06:35:46,675 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/2bd244bf9/d2946e76be8d46c28ed964dfcbfb85ab/FLAGfd2b548e6 [2018-12-09 06:35:47,037 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/data/2bd244bf9/d2946e76be8d46c28ed964dfcbfb85ab [2018-12-09 06:35:47,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:35:47,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:35:47,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:35:47,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:35:47,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:35:47,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3c578c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47, skipping insertion in model container [2018-12-09 06:35:47,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:35:47,075 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:35:47,327 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:35:47,331 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:35:47,358 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:35:47,491 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:35:47,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47 WrapperNode [2018-12-09 06:35:47,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:35:47,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:35:47,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:35:47,492 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:35:47,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:35:47,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:35:47,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:35:47,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:35:47,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... [2018-12-09 06:35:47,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:35:47,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:35:47,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:35:47,564 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:35:47,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 [2018-12-09 06:35:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:35:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:35:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:35:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:35:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:35:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:35:47,723 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:35:47,723 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 06:35:47,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:35:47 BoogieIcfgContainer [2018-12-09 06:35:47,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:35:47,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:35:47,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:35:47,726 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:35:47,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:35:47" (1/3) ... [2018-12-09 06:35:47,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e600584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:35:47, skipping insertion in model container [2018-12-09 06:35:47,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:35:47" (2/3) ... [2018-12-09 06:35:47,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e600584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:35:47, skipping insertion in model container [2018-12-09 06:35:47,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:35:47" (3/3) ... [2018-12-09 06:35:47,728 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp4_true-unreach-call.i [2018-12-09 06:35:47,734 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:35:47,738 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-12-09 06:35:47,747 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-12-09 06:35:47,764 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:35:47,765 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:35:47,765 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:35:47,765 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:35:47,765 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:35:47,765 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:35:47,765 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:35:47,765 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:35:47,765 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:35:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-09 06:35:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 06:35:47,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:47,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:35:47,782 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:47,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:47,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1381730395, now seen corresponding path program 1 times [2018-12-09 06:35:47,787 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:35:47,788 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 [2018-12-09 06:35:47,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:47,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:47,909 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:35:47,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:47,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:35:47,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:35:47,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:35:47,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:47,929 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2018-12-09 06:35:47,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:47,949 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2018-12-09 06:35:47,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:35:47,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 06:35:47,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:47,955 INFO L225 Difference]: With dead ends: 80 [2018-12-09 06:35:47,955 INFO L226 Difference]: Without dead ends: 36 [2018-12-09 06:35:47,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:47,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-12-09 06:35:47,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-12-09 06:35:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-12-09 06:35:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 35 transitions. [2018-12-09 06:35:47,977 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 35 transitions. Word has length 7 [2018-12-09 06:35:47,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:47,978 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 35 transitions. [2018-12-09 06:35:47,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:35:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions. [2018-12-09 06:35:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 06:35:47,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:47,978 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:35:47,978 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:47,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:47,979 INFO L82 PathProgramCache]: Analyzing trace with hash -652134129, now seen corresponding path program 1 times [2018-12-09 06:35:47,979 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:35:47,979 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 [2018-12-09 06:35:47,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:47,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:48,010 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:35:48,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:48,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:35:48,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:35:48,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:35:48,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,021 INFO L87 Difference]: Start difference. First operand 36 states and 35 transitions. Second operand 3 states. [2018-12-09 06:35:48,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:48,027 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2018-12-09 06:35:48,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:35:48,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-09 06:35:48,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:48,028 INFO L225 Difference]: With dead ends: 36 [2018-12-09 06:35:48,028 INFO L226 Difference]: Without dead ends: 32 [2018-12-09 06:35:48,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-09 06:35:48,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-09 06:35:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 06:35:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2018-12-09 06:35:48,031 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 11 [2018-12-09 06:35:48,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:48,031 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2018-12-09 06:35:48,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:35:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2018-12-09 06:35:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 06:35:48,032 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:48,032 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:35:48,032 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:48,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:48,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1586689671, now seen corresponding path program 1 times [2018-12-09 06:35:48,032 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:35:48,032 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 [2018-12-09 06:35:48,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:48,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:48,067 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:35:48,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:48,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:35:48,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:35:48,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:35:48,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,079 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 3 states. [2018-12-09 06:35:48,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:48,086 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2018-12-09 06:35:48,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:35:48,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-09 06:35:48,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:48,086 INFO L225 Difference]: With dead ends: 32 [2018-12-09 06:35:48,087 INFO L226 Difference]: Without dead ends: 26 [2018-12-09 06:35:48,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-12-09 06:35:48,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-12-09 06:35:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-09 06:35:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-12-09 06:35:48,089 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 14 [2018-12-09 06:35:48,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:48,089 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-12-09 06:35:48,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:35:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-12-09 06:35:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 06:35:48,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:48,090 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:35:48,090 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:48,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:48,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1342669981, now seen corresponding path program 1 times [2018-12-09 06:35:48,091 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:35:48,091 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 [2018-12-09 06:35:48,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:48,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:48,121 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:35:48,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:48,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:35:48,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:35:48,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:35:48,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,128 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 3 states. [2018-12-09 06:35:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:48,134 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-12-09 06:35:48,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:35:48,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-12-09 06:35:48,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:48,135 INFO L225 Difference]: With dead ends: 26 [2018-12-09 06:35:48,135 INFO L226 Difference]: Without dead ends: 22 [2018-12-09 06:35:48,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-12-09 06:35:48,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-12-09 06:35:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-09 06:35:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2018-12-09 06:35:48,137 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 18 [2018-12-09 06:35:48,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:48,137 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2018-12-09 06:35:48,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:35:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2018-12-09 06:35:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 06:35:48,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:35:48,137 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:35:48,138 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:35:48,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:35:48,138 INFO L82 PathProgramCache]: Analyzing trace with hash -446867057, now seen corresponding path program 1 times [2018-12-09 06:35:48,138 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:35:48,138 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/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 [2018-12-09 06:35:48,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:35:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:35:48,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:35:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:35:48,178 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:35:48,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:35:48,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:35:48,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:35:48,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:35:48,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,185 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 3 states. [2018-12-09 06:35:48,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:35:48,186 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-12-09 06:35:48,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:35:48,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-12-09 06:35:48,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:35:48,187 INFO L225 Difference]: With dead ends: 22 [2018-12-09 06:35:48,187 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 06:35:48,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:35:48,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 06:35:48,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 06:35:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 06:35:48,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 06:35:48,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-12-09 06:35:48,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:35:48,188 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:35:48,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:35:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:35:48,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 06:35:48,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 06:35:48,219 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 06:35:48,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:35:48,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:35:48,220 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 06:35:48,220 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:35:48,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:35:48,220 INFO L448 ceAbstractionStarter]: For program point L960(line 960) no Hoare annotation was computed. [2018-12-09 06:35:48,220 INFO L448 ceAbstractionStarter]: For program point L960-2(lines 954 991) no Hoare annotation was computed. [2018-12-09 06:35:48,220 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2018-12-09 06:35:48,220 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 953 991) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L961(line 961) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L961-2(line 961) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L990-1(line 990) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L990-3(lines 953 991) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L974-1(line 974) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L974-3(lines 954 991) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L983-3(lines 954 991) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-12-09 06:35:48,221 INFO L448 ceAbstractionStarter]: For program point L975-2(lines 954 991) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point L967-3(lines 954 991) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 953 991) the Hoare annotation is: true [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point L959-3(lines 954 991) no Hoare annotation was computed. [2018-12-09 06:35:48,222 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point L984-2(line 984) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2018-12-09 06:35:48,223 INFO L448 ceAbstractionStarter]: For program point L968-2(line 968) no Hoare annotation was computed. [2018-12-09 06:35:48,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:35:48 BoogieIcfgContainer [2018-12-09 06:35:48,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:35:48,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:35:48,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:35:48,226 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:35:48,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:35:47" (3/4) ... [2018-12-09 06:35:48,229 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 06:35:48,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 06:35:48,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 06:35:48,238 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 06:35:48,238 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 06:35:48,238 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 06:35:48,271 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_429e523b-0f4d-4c01-bce5-398c17f21d8c/bin-2019/utaipan/witness.graphml [2018-12-09 06:35:48,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:35:48,272 INFO L168 Benchmark]: Toolchain (without parser) took 1232.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -76.3 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:48,273 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:35:48,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.41 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 825.3 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:48,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 825.3 MB in the beginning and 1.1 GB in the end (delta: -304.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:48,274 INFO L168 Benchmark]: Boogie Preprocessor took 15.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:35:48,274 INFO L168 Benchmark]: RCFGBuilder took 160.23 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:48,275 INFO L168 Benchmark]: TraceAbstraction took 501.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:48,275 INFO L168 Benchmark]: Witness Printer took 45.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-12-09 06:35:48,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.41 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 825.3 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 825.3 MB in the beginning and 1.1 GB in the end (delta: -304.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 160.23 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 501.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. * Witness Printer took 45.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 960]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 967]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 975]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 974]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 46 locations, 11 error locations. SAFE Result, 0.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 125 SDtfs, 72 SDslu, 58 SDs, 0 SdLazy, 10 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 5 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 5 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...