./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/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_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/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_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/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_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/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 0.1.23-1dbac8b [2018-10-26 20:38:21,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:38:21,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:38:21,983 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:38:21,983 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:38:21,984 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:38:21,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:38:21,986 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:38:21,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:38:21,988 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:38:21,989 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:38:21,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:38:21,990 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:38:21,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:38:21,992 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:38:21,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:38:21,994 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:38:21,995 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:38:21,996 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:38:21,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:38:21,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:38:22,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:38:22,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:38:22,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:38:22,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:38:22,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:38:22,004 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:38:22,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:38:22,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:38:22,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:38:22,007 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:38:22,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:38:22,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:38:22,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:38:22,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:38:22,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:38:22,009 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:38:22,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:38:22,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:38:22,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:38:22,021 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:38:22,021 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:38:22,021 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:38:22,021 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:38:22,022 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:38:22,022 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:38:22,022 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:38:22,022 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:38:22,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:38:22,023 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:38:22,023 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:38:22,023 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:38:22,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:38:22,024 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:38:22,024 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:38:22,024 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:38:22,024 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:38:22,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:38:22,024 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:38:22,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:38:22,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:38:22,025 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:38:22,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:38:22,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:38:22,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:38:22,027 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:38:22,028 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:38:22,028 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:38:22,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:38:22,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:38:22,028 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:38:22,028 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_cd676978-4083-4fe5-b462-ad2e559ea9dd/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 [2018-10-26 20:38:22,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:38:22,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:38:22,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:38:22,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:38:22,075 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:38:22,076 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-10-26 20:38:22,123 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/3fb53c52c/fd71a0ab62234b7498b16f8630cd2790/FLAGfc46a3f4f [2018-10-26 20:38:22,559 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:38:22,559 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-10-26 20:38:22,569 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/3fb53c52c/fd71a0ab62234b7498b16f8630cd2790/FLAGfc46a3f4f [2018-10-26 20:38:22,590 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/3fb53c52c/fd71a0ab62234b7498b16f8630cd2790 [2018-10-26 20:38:22,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:38:22,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:38:22,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:38:22,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:38:22,599 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:38:22,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:22" (1/1) ... [2018-10-26 20:38:22,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3d438d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:22, skipping insertion in model container [2018-10-26 20:38:22,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:22" (1/1) ... [2018-10-26 20:38:22,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:38:22,647 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:38:23,071 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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1053) 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:1300) 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:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 20:38:23,080 INFO L168 Benchmark]: Toolchain (without parser) took 486.25 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:23,082 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:38:23,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.24 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:23,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.24 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:38:24,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:38:24,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:38:24,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:38:24,668 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:38:24,669 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:38:24,670 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:38:24,672 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:38:24,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:38:24,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:38:24,675 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:38:24,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:38:24,676 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:38:24,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:38:24,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:38:24,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:38:24,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:38:24,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:38:24,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:38:24,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:38:24,685 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:38:24,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:38:24,688 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:38:24,688 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:38:24,688 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:38:24,689 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:38:24,690 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:38:24,691 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:38:24,692 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:38:24,693 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:38:24,693 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:38:24,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:38:24,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:38:24,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:38:24,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:38:24,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:38:24,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 20:38:24,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:38:24,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:38:24,709 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:38:24,709 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:38:24,709 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:38:24,710 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:38:24,710 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:38:24,710 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:38:24,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:38:24,711 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:38:24,711 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:38:24,711 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:38:24,711 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:38:24,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:38:24,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:38:24,711 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:38:24,712 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:38:24,712 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:38:24,712 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:38:24,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:38:24,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:38:24,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:38:24,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:38:24,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:38:24,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:38:24,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:38:24,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:38:24,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:38:24,713 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:38:24,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:38:24,716 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:38:24,716 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:38:24,716 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_cd676978-4083-4fe5-b462-ad2e559ea9dd/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 [2018-10-26 20:38:24,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:38:24,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:38:24,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:38:24,764 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:38:24,764 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:38:24,765 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-10-26 20:38:24,808 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/abb90e883/fe1a7cc2eb9548f28be0890028d80c82/FLAGabf0a2537 [2018-10-26 20:38:25,283 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:38:25,286 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4_true-unreach-call.i [2018-10-26 20:38:25,297 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/abb90e883/fe1a7cc2eb9548f28be0890028d80c82/FLAGabf0a2537 [2018-10-26 20:38:25,309 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/data/abb90e883/fe1a7cc2eb9548f28be0890028d80c82 [2018-10-26 20:38:25,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:38:25,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:38:25,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:38:25,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:38:25,318 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:38:25,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:25" (1/1) ... [2018-10-26 20:38:25,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ecdb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:25, skipping insertion in model container [2018-10-26 20:38:25,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:25" (1/1) ... [2018-10-26 20:38:25,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:38:25,374 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:38:25,930 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:38:25,937 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:38:25,991 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:38:26,273 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:38:26,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26 WrapperNode [2018-10-26 20:38:26,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:38:26,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:38:26,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:38:26,274 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:38:26,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:38:26,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:38:26,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:38:26,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:38:26,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... [2018-10-26 20:38:26,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:38:26,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:38:26,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:38:26,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:38:26,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:38:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:38:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:38:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:38:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:38:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:38:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:38:27,175 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:38:27,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:27 BoogieIcfgContainer [2018-10-26 20:38:27,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:38:27,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:38:27,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:38:27,181 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:38:27,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:38:25" (1/3) ... [2018-10-26 20:38:27,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72de40db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:27, skipping insertion in model container [2018-10-26 20:38:27,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:26" (2/3) ... [2018-10-26 20:38:27,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72de40db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:27, skipping insertion in model container [2018-10-26 20:38:27,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:27" (3/3) ... [2018-10-26 20:38:27,185 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp4_true-unreach-call.i [2018-10-26 20:38:27,195 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:38:27,203 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-10-26 20:38:27,218 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-10-26 20:38:27,245 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:38:27,246 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:38:27,246 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:38:27,246 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:38:27,246 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:38:27,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:38:27,246 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:38:27,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:38:27,247 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:38:27,265 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-10-26 20:38:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 20:38:27,270 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:27,271 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:27,274 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:27,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:27,280 INFO L82 PathProgramCache]: Analyzing trace with hash 835687530, now seen corresponding path program 1 times [2018-10-26 20:38:27,285 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:27,286 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:27,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:27,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:27,357 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:27,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:27,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:38:27,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:38:27,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:38:27,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:38:27,391 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 2 states. [2018-10-26 20:38:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:27,425 INFO L93 Difference]: Finished difference Result 197 states and 281 transitions. [2018-10-26 20:38:27,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:38:27,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-10-26 20:38:27,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:27,436 INFO L225 Difference]: With dead ends: 197 [2018-10-26 20:38:27,437 INFO L226 Difference]: Without dead ends: 98 [2018-10-26 20:38:27,440 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:38:27,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-10-26 20:38:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-10-26 20:38:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-26 20:38:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-10-26 20:38:27,478 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 10 [2018-10-26 20:38:27,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:27,479 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-10-26 20:38:27,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:38:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-10-26 20:38:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:38:27,480 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:27,480 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:27,481 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:27,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:27,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1922275958, now seen corresponding path program 1 times [2018-10-26 20:38:27,482 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:27,482 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/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 [2018-10-26 20:38:27,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:27,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:28,881 WARN L179 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2018-10-26 20:38:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:29,077 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:29,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:29,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:29,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:29,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:29,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:29,094 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 7 states. [2018-10-26 20:38:29,407 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-26 20:38:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:29,481 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-10-26 20:38:29,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:29,482 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-10-26 20:38:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:29,483 INFO L225 Difference]: With dead ends: 98 [2018-10-26 20:38:29,484 INFO L226 Difference]: Without dead ends: 96 [2018-10-26 20:38:29,484 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:29,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-26 20:38:29,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-10-26 20:38:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-26 20:38:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-26 20:38:29,492 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 14 [2018-10-26 20:38:29,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:29,492 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-10-26 20:38:29,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-26 20:38:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:38:29,493 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:29,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:29,495 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:29,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:29,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2031995200, now seen corresponding path program 1 times [2018-10-26 20:38:29,495 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:29,495 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:29,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:29,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:29,978 WARN L179 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2018-10-26 20:38:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:30,069 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:30,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:30,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:30,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:30,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:30,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:30,084 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 7 states. [2018-10-26 20:38:30,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:30,303 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-10-26 20:38:30,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:30,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-10-26 20:38:30,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:30,307 INFO L225 Difference]: With dead ends: 96 [2018-10-26 20:38:30,307 INFO L226 Difference]: Without dead ends: 94 [2018-10-26 20:38:30,307 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-10-26 20:38:30,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-10-26 20:38:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-10-26 20:38:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-10-26 20:38:30,321 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 18 [2018-10-26 20:38:30,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:30,322 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-10-26 20:38:30,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-10-26 20:38:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:38:30,323 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:30,323 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:30,323 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:30,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:30,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1106681782, now seen corresponding path program 1 times [2018-10-26 20:38:30,324 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:30,324 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:30,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:30,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:30,758 WARN L179 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2018-10-26 20:38:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:30,853 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:30,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:30,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:30,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:30,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:30,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:30,879 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 7 states. [2018-10-26 20:38:31,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:31,199 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-10-26 20:38:31,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:31,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-10-26 20:38:31,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:31,207 INFO L225 Difference]: With dead ends: 94 [2018-10-26 20:38:31,207 INFO L226 Difference]: Without dead ends: 92 [2018-10-26 20:38:31,207 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:31,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-26 20:38:31,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-10-26 20:38:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-10-26 20:38:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-26 20:38:31,214 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 22 [2018-10-26 20:38:31,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:31,215 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-10-26 20:38:31,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-26 20:38:31,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:38:31,215 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:31,216 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, 1] [2018-10-26 20:38:31,216 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:31,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:31,216 INFO L82 PathProgramCache]: Analyzing trace with hash 994443450, now seen corresponding path program 1 times [2018-10-26 20:38:31,216 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:31,216 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:38:31,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:31,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:31,365 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:31,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:31,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:31,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:31,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:31,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:31,375 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 7 states. [2018-10-26 20:38:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:31,788 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-10-26 20:38:31,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:31,790 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-10-26 20:38:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:31,791 INFO L225 Difference]: With dead ends: 92 [2018-10-26 20:38:31,791 INFO L226 Difference]: Without dead ends: 90 [2018-10-26 20:38:31,791 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:31,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-26 20:38:31,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-10-26 20:38:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-10-26 20:38:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-10-26 20:38:31,805 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 31 [2018-10-26 20:38:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:31,805 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-10-26 20:38:31,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-10-26 20:38:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:38:31,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:31,806 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, 1, 1, 1, 1, 1] [2018-10-26 20:38:31,807 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:31,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:31,807 INFO L82 PathProgramCache]: Analyzing trace with hash 974131460, now seen corresponding path program 1 times [2018-10-26 20:38:31,807 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:31,808 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:31,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:31,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:31,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:31,973 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:31,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:31,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:31,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:31,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:31,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:31,982 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 7 states. [2018-10-26 20:38:32,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:32,112 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-10-26 20:38:32,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:32,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-10-26 20:38:32,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:32,114 INFO L225 Difference]: With dead ends: 90 [2018-10-26 20:38:32,114 INFO L226 Difference]: Without dead ends: 88 [2018-10-26 20:38:32,115 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:32,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-10-26 20:38:32,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-10-26 20:38:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-26 20:38:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-26 20:38:32,121 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 35 [2018-10-26 20:38:32,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:32,122 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-10-26 20:38:32,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-26 20:38:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:38:32,122 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:32,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:32,123 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:32,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:32,123 INFO L82 PathProgramCache]: Analyzing trace with hash 826713337, now seen corresponding path program 1 times [2018-10-26 20:38:32,123 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:32,124 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:32,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:32,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:32,347 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:32,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:32,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:32,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:32,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:32,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:32,356 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 7 states. [2018-10-26 20:38:32,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:32,430 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-10-26 20:38:32,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:32,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-10-26 20:38:32,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:32,431 INFO L225 Difference]: With dead ends: 88 [2018-10-26 20:38:32,432 INFO L226 Difference]: Without dead ends: 84 [2018-10-26 20:38:32,432 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:32,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-10-26 20:38:32,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-10-26 20:38:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-10-26 20:38:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-26 20:38:32,435 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 44 [2018-10-26 20:38:32,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:32,435 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-10-26 20:38:32,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-26 20:38:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:38:32,436 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:32,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:32,437 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:32,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:32,437 INFO L82 PathProgramCache]: Analyzing trace with hash 984695811, now seen corresponding path program 1 times [2018-10-26 20:38:32,437 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:32,437 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:32,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:32,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:32,531 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:32,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:32,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:32,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:32,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:32,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:32,547 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 7 states. [2018-10-26 20:38:32,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:32,724 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-10-26 20:38:32,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:32,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-10-26 20:38:32,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:32,726 INFO L225 Difference]: With dead ends: 84 [2018-10-26 20:38:32,726 INFO L226 Difference]: Without dead ends: 82 [2018-10-26 20:38:32,726 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:32,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-10-26 20:38:32,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-10-26 20:38:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-10-26 20:38:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-26 20:38:32,730 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 48 [2018-10-26 20:38:32,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:32,730 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-10-26 20:38:32,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-26 20:38:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 20:38:32,731 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:32,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:32,732 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:32,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:32,732 INFO L82 PathProgramCache]: Analyzing trace with hash 872789341, now seen corresponding path program 1 times [2018-10-26 20:38:32,732 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:32,732 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:32,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:32,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:32,872 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:32,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:32,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:32,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:32,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:32,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:32,880 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 7 states. [2018-10-26 20:38:33,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:33,024 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-10-26 20:38:33,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:33,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-10-26 20:38:33,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:33,025 INFO L225 Difference]: With dead ends: 82 [2018-10-26 20:38:33,025 INFO L226 Difference]: Without dead ends: 80 [2018-10-26 20:38:33,026 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:33,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-10-26 20:38:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-10-26 20:38:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-26 20:38:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-26 20:38:33,029 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 58 [2018-10-26 20:38:33,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:33,029 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-10-26 20:38:33,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-26 20:38:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 20:38:33,032 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:33,033 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, 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, 1, 1] [2018-10-26 20:38:33,033 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:33,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:33,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1391981913, now seen corresponding path program 1 times [2018-10-26 20:38:33,033 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:33,034 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:33,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:33,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:33,222 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:33,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:33,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:38:33,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:38:33,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:38:33,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:38:33,230 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 7 states. [2018-10-26 20:38:33,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:33,350 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-10-26 20:38:33,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:38:33,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-26 20:38:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:33,352 INFO L225 Difference]: With dead ends: 80 [2018-10-26 20:38:33,352 INFO L226 Difference]: Without dead ends: 78 [2018-10-26 20:38:33,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:38:33,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-26 20:38:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-10-26 20:38:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-26 20:38:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-26 20:38:33,355 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 62 [2018-10-26 20:38:33,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:33,355 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-10-26 20:38:33,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:38:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-26 20:38:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:38:33,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:33,357 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:33,357 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:33,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:33,357 INFO L82 PathProgramCache]: Analyzing trace with hash 421731523, now seen corresponding path program 1 times [2018-10-26 20:38:33,360 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:33,360 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:33,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:33,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:33,435 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:33,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:33,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:38:33,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:38:33,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:38:33,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:38:33,443 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 3 states. [2018-10-26 20:38:33,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:33,452 INFO L93 Difference]: Finished difference Result 85 states and 84 transitions. [2018-10-26 20:38:33,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:38:33,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-10-26 20:38:33,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:33,453 INFO L225 Difference]: With dead ends: 85 [2018-10-26 20:38:33,453 INFO L226 Difference]: Without dead ends: 78 [2018-10-26 20:38:33,453 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:38:33,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-26 20:38:33,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-10-26 20:38:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-26 20:38:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 77 transitions. [2018-10-26 20:38:33,456 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 77 transitions. Word has length 73 [2018-10-26 20:38:33,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:33,456 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 77 transitions. [2018-10-26 20:38:33,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:38:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 77 transitions. [2018-10-26 20:38:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 20:38:33,457 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:38:33,457 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:38:33,457 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:38:33,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:38:33,458 INFO L82 PathProgramCache]: Analyzing trace with hash -422795432, now seen corresponding path program 1 times [2018-10-26 20:38:33,458 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:38:33,458 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2018-10-26 20:38:33,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:38:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:38:33,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:38:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:33,783 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:38:33,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:33,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-26 20:38:33,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 20:38:33,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 20:38:33,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-10-26 20:38:33,791 INFO L87 Difference]: Start difference. First operand 78 states and 77 transitions. Second operand 12 states. [2018-10-26 20:38:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:38:34,403 INFO L93 Difference]: Finished difference Result 78 states and 77 transitions. [2018-10-26 20:38:34,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 20:38:34,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 77 [2018-10-26 20:38:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:38:34,403 INFO L225 Difference]: With dead ends: 78 [2018-10-26 20:38:34,403 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:38:34,404 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-10-26 20:38:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:38:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:38:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:38:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:38:34,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2018-10-26 20:38:34,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:38:34,405 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:38:34,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 20:38:34,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:38:34,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:38:34,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:38:34,441 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 20:38:34,441 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:38:34,441 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:38:34,441 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 20:38:34,441 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:38:34,441 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L960-1(line 960) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L960-3(line 960) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L960-4(line 960) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L960-5(line 960) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L960-7(lines 954 991) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 953 991) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L961-1(line 961) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L961-3(line 961) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L961-4(line 961) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L961-5(line 961) no Hoare annotation was computed. [2018-10-26 20:38:34,442 INFO L425 ceAbstractionStarter]: For program point L961-7(line 961) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point L982-2(line 982) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point L982-4(line 982) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point L982-5(line 982) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point L966(line 966) no Hoare annotation was computed. [2018-10-26 20:38:34,443 INFO L425 ceAbstractionStarter]: For program point L966-2(line 966) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L966-4(line 966) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L966-5(line 966) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L983-2(line 983) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L983-4(line 983) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L983-5(line 983) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L983-6(line 983) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L983-8(lines 954 991) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2018-10-26 20:38:34,444 INFO L425 ceAbstractionStarter]: For program point L967-2(line 967) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L967-4(line 967) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L967-5(line 967) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L967-6(line 967) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L967-8(lines 954 991) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L984-1(line 984) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L984-3(line 984) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L984-4(line 984) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L984-5(line 984) no Hoare annotation was computed. [2018-10-26 20:38:34,445 INFO L425 ceAbstractionStarter]: For program point L984-7(line 984) no Hoare annotation was computed. [2018-10-26 20:38:34,449 INFO L425 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point L968-3(line 968) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point L968-4(line 968) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point L968-5(line 968) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point L968-7(line 968) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 953 991) the Hoare annotation is: true [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,450 INFO L425 ceAbstractionStarter]: For program point L989-2(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-4(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-5(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-6(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-7(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-9(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-11(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-12(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L989-14(line 989) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L973-2(line 973) no Hoare annotation was computed. [2018-10-26 20:38:34,451 INFO L425 ceAbstractionStarter]: For program point L973-4(line 973) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L973-5(line 973) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L990-2(line 990) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L990-4(line 990) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L990-5(line 990) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L990-6(line 990) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L990-8(lines 953 991) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L974-2(line 974) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L974-4(line 974) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L974-5(line 974) no Hoare annotation was computed. [2018-10-26 20:38:34,452 INFO L425 ceAbstractionStarter]: For program point L974-6(line 974) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L974-8(lines 954 991) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L958(line 958) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L958-2(line 958) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L958-4(line 958) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L958-5(line 958) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L975-1(line 975) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L975-3(line 975) no Hoare annotation was computed. [2018-10-26 20:38:34,453 INFO L425 ceAbstractionStarter]: For program point L975-4(line 975) no Hoare annotation was computed. [2018-10-26 20:38:34,458 INFO L425 ceAbstractionStarter]: For program point L975-5(line 975) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L975-7(lines 954 991) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L959-2(line 959) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L959-4(line 959) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L959-5(line 959) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L959-6(line 959) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L959-8(lines 954 991) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2018-10-26 20:38:34,459 INFO L425 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2018-10-26 20:38:34,460 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2018-10-26 20:38:34,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:38:34 BoogieIcfgContainer [2018-10-26 20:38:34,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:38:34,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:38:34,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:38:34,465 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:38:34,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:27" (3/4) ... [2018-10-26 20:38:34,468 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:38:34,475 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:38:34,476 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:38:34,483 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-10-26 20:38:34,483 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 20:38:34,483 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:38:34,550 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd676978-4083-4fe5-b462-ad2e559ea9dd/bin-2019/utaipan/witness.graphml [2018-10-26 20:38:34,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:38:34,551 INFO L168 Benchmark]: Toolchain (without parser) took 9239.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 945.2 MB in the beginning and 790.4 MB in the end (delta: 154.8 MB). Peak memory consumption was 336.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:34,552 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:38:34,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 959.80 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 827.1 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:34,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.06 ms. Allocated memory is still 1.0 GB. Free memory is still 827.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:38:34,552 INFO L168 Benchmark]: Boogie Preprocessor took 51.70 ms. Allocated memory is still 1.0 GB. Free memory was 827.1 MB in the beginning and 821.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:34,553 INFO L168 Benchmark]: RCFGBuilder took 800.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 821.7 MB in the beginning and 1.1 GB in the end (delta: -264.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:34,553 INFO L168 Benchmark]: TraceAbstraction took 7287.08 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 797.4 MB in the end (delta: 288.4 MB). Peak memory consumption was 356.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:34,553 INFO L168 Benchmark]: Witness Printer took 85.69 ms. Allocated memory is still 1.2 GB. Free memory was 797.4 MB in the beginning and 790.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:38:34,557 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 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 959.80 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 827.1 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.06 ms. Allocated memory is still 1.0 GB. Free memory is still 827.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.70 ms. Allocated memory is still 1.0 GB. Free memory was 827.1 MB in the beginning and 821.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 800.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 821.7 MB in the beginning and 1.1 GB in the end (delta: -264.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7287.08 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 797.4 MB in the end (delta: 288.4 MB). Peak memory consumption was 356.0 MB. Max. memory is 11.5 GB. * Witness Printer took 85.69 ms. Allocated memory is still 1.2 GB. Free memory was 797.4 MB in the beginning and 790.4 MB 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: 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: 975]: 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: 961]: 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: 968]: 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: 967]: 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, 102 locations, 11 error locations. SAFE Result, 7.2s OverallTime, 12 OverallIterations, 1 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 971 SDtfs, 521 SDslu, 3616 SDs, 0 SdLazy, 375 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 12 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, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 53412 SizeOfPredicates, 34 NumberOfNonLiveVariables, 596 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...